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Volume 2 Issue 5 (May 2015)

S.No. Title & Authors Page No View
1

Title : VANETs (Vehicular Adhoc Networks): Introduction, Imperatives and Challenges

Authors : Dr. Rajesh Gargi, Sumit Goyal

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The integration of communication technology in state-of the art vehicles has begun years ago: Car phones and Internet access based on cellular technologies as well as Bluetooth adapters for the integration of mobile devices are popular examples. This paper presents an insight into the VANETs (Vehicular Ad-hoc NETworks) technology. This technology integrates WLAN/cellular and Ad Hoc networks to achieve the continuous connectivity. Vehicular Ad hoc Network (VANET), a subclass of mobile Ad Hoc networks (MANETs), is a promising approach for future intelligent transportation system (ITS). These networks have no fixed infrastructure and instead rely on the vehicles themselves to provide network functionality. However, due to mobility constraints, driver behavior, and high mobility, VANETs exhibit characteristics that are dramatically different from many generic MANETs. This paper provides a comprehensive study of challenges in these networks.

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2

Title : Design and control for Bidirectional AC-DC Converters for Plug-in Hybrid Electric Vehicle

Authors : R.Navaneethan, R.Illango, V.Prabaharan

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Plug-in hybrid electric vehicles (PHEVs) are specialized hybrid electric vehicles that have the potential to obtain enough energy  for average daily  commuting  from batteries. These batteries would be charged from the power grid and would thus allow  for a reduction in the overall petroleum consumption. To implement the plug-in function, a single phase bidirectional ac-dc converter interfacing with the grid is essential. The implementation of a bidirectional ac-dc  converter  can allow  for  battery  recharge  from the grid, battery energy injection to the ac grid, and battery energy for ac power stabilization. In this paper, the basic requirements and specifications for PHEV bidirectional ac- dc converter designs are presented. Generally, there are two types   of   topologies   used   for   PHEVs:   an   independent topology and a combination topology that utilizes the drive motor’s   inverter.   Evaluations   of   the   two   converter topologies are analyzed in detail. The combination topology analysis is emphasized because it has more advantages in PHEVs, in respect to savings in cost, volume and weight.

5-9
3

Title : A Review on Information Technology and Cyber Laws

Authors : Shailesh P. Thakare, Nitin M Shivratriwar, Shrikant N. Sarda

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Now a day’s most of the activities and financial transactions uses internet, since internet is accessible from anywhere, perpetrator takes advantage of this and commit a crime.  Cybercrime is a term used to broadly describe criminal activity in which computers or computer networks are a tool, a target, or a place of criminal activity and include everything from electronic cracking to denial of service attacks. It is also used to include traditional crimes in which computers or networks are used to enable the illicit activity. Cyber criminals take full advantage of the anonymity, secrecy, and interconnections provided by the Internet. In this paper we have tried to provide information about Cyber crime, its nature, Perpetrators, Classification of cyber crime, Reasons for its emergence, In next section of this paper we have given an information about cyber law, IT legislation in India. Further in next section we have discuses about Cyber crime scenario in India. Finally Last two sections of this paper discuss about some cyber crime cases in India and some cyber crimes and punishments related with those crime.

10-16
4

Title : The Equilibrium and Thermodynamics of Methylene Blue Uptake onto Ekowe Clay; Influence of Acid Activation and Calcination

Authors : Daniel C. Emeniru, Okechukwu D. Onukwuli, Pere-ere DouyeWodu, Bernard I. Okoro

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The equilibrium isotherm study verified that the linear Freundlich model best explained the adsorption data and mechanism. The maximum adsorption capacities, 9.709, 13.889, and 18.868g/g for RS, RCS and ACS respective obtained from the Langmuir isotherm model at 25oC. Verifiable with increased filtration rates, acid activation and calcination improved the clay porosity and the total surface area; RS-22.04, RCS-30.36 m2g-1 and ACS-40.92m2g-1. Sample PZCs were less than solution pH indicating cation affinity and enhanced dye adsorption. Dye uptake varied with temperature and adsorption equilibrates around 80min. Langmuir model (ΔG˚<-5KJ/mol) and thermodynamics (ΔG˚>-18kJ/mol and ΔH) revealed a spontaneous and exothermic physisorption of MB dye onto the raw and modified samples. ΔS* suggested an associative adsorption mechanism and ΔSo proposed an induced randomness and changes at the solute/solvent interface.

17-25
5

Title : Alternative Architectures for Computer System Performance Enhancement

Authors : Hasan Krad

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Computer-based solutions for scientific applications require higher performance computer systems than ever. In fact, the improvement of the computer system performance through the improvement of the performance of hardware chips has almost reached its physical limitation and scientists started to seek the required enhancement of the system performance through new alternative approach to design computer systems using methods such as pipelining and parallel processing, with advanced processor architectures such as that of the Niagara family of processors that has been pioneered by Oracle®. In this paper, we will address some of these concepts and related issues and present a synopsis of some  important aspects of such architectures while emphasizing on the pipelining techniques that lead to the performance enhancement of such systems.

26-28
6

Title : Some Properties of Semi-continuous, Pre-continuous and α-continuous Mappings

Authors : Yasser A. Abou-Elwan

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This paper investigates some new characteristics of semi-continuous, pre-continuous and α-continuous mappings. We provides two theorems that are equivalent to the definitions of pre-continuous and M-semi-continuous mappings. A condition has been proposed, which makes the injective mapping pre-open. We have proved that the domain of the injective α-continuous mapping with closed graph is Housdorff space. In addition, more other conditions put on the α-continuous mapping, which make its graph closed. 
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7

Title : A Review paper on the Memory Built-In Self-Repair with Redundancy Logic

Authors : Er. Ashwin Tilak, Prof. Dr.Y.P.Singh

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The Present review paper expresses the word oriented memory test methodology for Built-In Self-Repair (BISR). To replace the defect words few logics are introduced. These logics are memory BIST logic and Wrapper logic. Whenever a test is carries on, the defected words are pointed out by its address only and these addresses are called failing address. The failing addresses are stored in the fuse box. Using fuse box it avoids the classic redundancy concept, where the RAMS has spare rows and columns. After the detection of faulty address, they are stored in redundancy logic. During test and redundancy configuration, the fuse box is connected to a scan register  by this process  input  and output data can be evaluated.

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8

Title : Analysis of International Trade and Economical & Commercial Scope of Ornamental Fishes

Authors : Chandasudha Goswami, Dr. V. S. Zade

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Fisheries sector contributes significantly to the national economy while providing livelihood to approximately 14.49 million people in the country (Government of India, Ministry of Agriculture Department of Animal Husbandry, Dairying & Fisheries). It has been recognized for powerful income and employment generator as it stimulates growth of a number of subsidiary industries and is a source of cheap and nutritious food besides being a source of foreign exchange earner. In general growth in export is very much important to improve countries foreign exchange reserve, in simple word countries economic development.  So it is important to understand overview of Fish Export and current scenario of economical and commercial scope of ornamental Fishes in terms of export.      

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9

Title : Application Roadmap for Battery Powered Electric Mobility

Authors : Daniel Holz, Thomas Fuhrmann

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Mobility changes from fossil to renewable energy powered vehicles. Due to high battery weight and costs, only a few applications are currently possible. In this paper, battery weight and amortization times for different means of transport are predicted. It is the goal of this article to analyse, which vehicles are suitable for battery powered electric mobility in the medium-term future. Two scenarios with different energy prices and battery developments for the years 2020 and 2030 are analysed. Starting from energy consumption of fossil powered vehicles, the equivalent battery parameters for similar electric vehicles are calculated. The computations show that currently the battery mass is low enough to power short-range electric cars or river ships, but no realistic time-span for amortization can be reached. In 2020, the battery weight will be low enough to power river ships, short and medium range cars. It will be profitable to use battery electric drives for short and medium range cars, city buses and short-range trucks. The projection for the year 2030 shows that all types of commercial land vehicles will be economically driven with batteries. Until 2030, it will be impossible to power transport ships or aircraft using batteries. It is shown that in the medium term future all land vehicles will be profitable with battery electric drives. The amortization times depend on the chosen scenario. The break-even point for profitable battery powered land vehicles will be between 2020 and 2030. This means that in next decade a big part of fossil powered cars, trucks and buses can be replaced without increasing mobility costs. There is no alternative to chemical fuel for airplanes due to the high battery mass. For ships, the battery costs are too high for amortization. Chemical fuels from fossil or renewable sources will be the only possible power source for these means of transport in the mid-term future.

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10

Title : Power Quality Enhancement Using VSI Based STATCOM for SEIG Feeding Non Linear Loads

Authors : Mrs. R. Lilly Renuka, Mr. R. Ilango, Mr. B. Muruganandam

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This paper deals with the performance analysis of static compensator (STATCOM) based voltage regulator for self- excited induction generators (SEIGs) feeding non-linear single phase loads. The presence of non-linear loads in some applications injects harmonics into the generating system. Because an SEIG is a weak isolated system, these harmonics have a great effect on its performance. Additionally, SEIG’s offer poor voltage regulation and require an adjustable reactive power source to maintain a constant terminal voltage under a varying load. A three-phase insulated gate bipolar transistor (IGBT) based current controlled voltage source inverter (CC-VSI) known as STATCOM is used for harmonic elimination. It also provides the required reactive power an SEIG needs to maintain a constant terminal voltage under varying loads. A dynamic model of an SEIG-STATCOM system with the ability to compensate the unbalanced current caused by single-phase loads that are connected across the two terminals of the three-phase SEIG  under  varying loads  has been analyzed by using D-Q frame theory algorithm. This enables us to predict the behavior of the system under transient conditions. The simulated results shows that by using a STATCOM based voltage regulator the SEIG can balance the current; in addition to that the STATCOM is able to regulate the terminal voltage of the generator and suppresses the harmonic currents injected by non- linear loads.

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11

Title : Wind Pressure Distribution on Domical Roofs

Authors : Astha Verma, Ashok K. Ahuja

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Present paper describes the details of the experimental study carried out on the models of low-rise buildings with domical roofs. Wind pressure measurements are made on rigid models by placing them in an open circuit boundary layer wind tunnel. The study includes square and rectangular plan buildings with one and two domes respectively. The experimental results of pressure measurements are reported in the form of contours of mean wind pressure coefficients on the surfaces of domes. Results presented in the paper are of great use for the structural designers while designing buildings with domical roofs. The experts responsible for revising wind-loading codes from time to time can also use these values.

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12

Title : Knowledge Machine Design: Pathways of Knowledge in Machines

Authors : Syed V Ahamed, Sonya M Ahamed

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Knowledge  elements  are  as  universal  as life itself.  The varieties of such knowledge elements are as profuse as the diversity of life forms.  In fact, there is no life without embedded knowledge to continue and supply the essentials of living.  Conversely, there is no knowledge without life forms to support it continuum of change and adaptation.  Symbiotic as they are the interdependency has prevails since the beginnings of life.  The evolution of species is founded on the increasing complexity of kels that perpetuate knowledge to constitute new knowledge. The knowledge enhanced to gratify the needs for the incremental change in the species is time dependent statistical occurrence.   The change may be microscopic or cataclysmic.  Change and adaptation are both essential.  All forms of life abide by the law that knowledge and life are in deepest harmony just to keep living. After Darwin, we have realized that time to evolve flows through the process of neural adaptation to learn to be the fittest to survive.   Knowledge to live by and life to enhance the genetic code are the two chromosomes in the womb of humankind. In the more evolved species, the complexity of kels and their structure both reach astounding levels perhaps reaching their peaks in human beings.  In the other species, the complexity is tailored to suit their own form of life and its needs with three (physiological, safety and reproductive) lower level needs.   By process of trial and error, they learn to be optimal in the expenditure of time and energy to learn the adaptation.  In humans with higher levels of needs [1] and a higher level of comprehension, the dynamic movement of kels becomes scientific and almost mathematical process.  In this paper, we propose a mechanism for the pathways of knowledge in the society and for the graphs for solving complex problems.

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13

Title : A Modified Approch Audio Stagnography Based On Technique LSB Coding

Authors : Surekha Shrivastava , Mr. Gajendra Singh chandel, Mr. Kaislash Patidar

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Information security is becoming very important part of our life now-a-days. Information hiding is the fundamental of information security. Information hiding can be achieved by steganography as well. This paper presents a modified method of audio stegnography. Audio steganography is the technique of hiding secret information in the audio files.  We have presented a high capacity and high stego-signal quality audio steganography scheme based on samples comparison in DWT domain where selected coefficient of a segment are compared with pre determined threshold value T and based on comparison bits are embedded. The strength of our algorithm is depend on the segment size and  their strength are enabled the algorithm to achieve very high embedding capacity for different data type that can reach up to 25%  from the input audio file size with lest of 35 dB  SNR for the output stego signal. Further we have tabulated the result and the conclusion is made on the basis of the obtained results.

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14

Title : Relationship between Ultrasonic Pulse Velocity and Compressive Strength of Self Compacting Concrete incorporate Rice Husk Ash and Metakaolin

Authors : V.Kannan

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The objective of the present investigation was to evaluate RHA and MK as supplementary cementitious materials (in both binary and ternary systems) in terms of harden properties in blended cement SCC and to identify the optimal level of replacement of ordinary Portland cement (OPC) with RHA, MK, or RHA+MK. The blended cements were prepared by replacing OPC with RHA, MK, or RHA+MK (5–40%) in dry conditions. In addition to that the interrelationship between harden properties such as compressive strength and ultrasonic pulse velocity was discussed.

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15

Title : Wind Loads on Triangular Shape Tall Buildings

Authors : Muftha A. Abdusemed, Ashok K. Ahuja

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Present paper describes the details of the experimental study carried out on the models of tall buildings with varying cross-sectional shapes under both stand-alone condition as well as interference condition. Two cross-sectional shapes namely square and triangular are considered. Force measurements are made on the rigid models of tall buildings made of timber. The models are tested in an open circuit boundary layer wind tunnel. Twisting moment developed due to wind is measured in addition to base shear and base moment in along-wind direction as well as across-wind direction. Effect of wind incidence angle on wind loads is studied in case of isolated condition. In case of interference condition, effect of distance between object building and interfering building on wind loads is studied. 

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16

Title : Redundant Binary Partial Product for Fused add Multiplier to Optimize the Power

Authors : Dr.C.Venkatesh, S.Poonkuzhali, M.Moortheeswari

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Many Digital Signal Processing (DSP) applications carry out a large number of complex arithmetic operations. Multiplier takes a important role in the performance of the system, thus by optimizing the multiplier the power and area can be reduced. This paper focus on optimizing the power using redundant binary partial product. This implements a new technique called RB encoding, in which the sum of two numbers and there product is multiplied with the multiplier in Modified Booth (MB) form. The RB encoding is used in multipliers with operand, without increasing the delay of partial product accumulation. It is used for both signed and unsigned Radix-4, which is a parallel multiplier. its An efficient multiplier which reduces partial product by N/2, where N is the number of multiplicand. The proposed FAM unit with RB encoding is coded in Verilog, simulated and synthesized using Xilinx ISE tool. The performance of FAM unit with RB encoding is compared with other existing technique in terms of power consumption and critical path. The proposed FAM unit with RB encoding yields considerable reduction in terms of critical delay and power consumption.

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17

Title : Long Josephson Junctions in Magnetic Field

Authors : Joseph Mathew, Tapas Kumar Sinha, Sanjib Malla Bujar Baruah

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We develop a model to account for the recently observed phase jump of electrons in Josephson Junction, in a magnetic field, as the electrons cross the junction. We suggest that electrons are trapped in the potential formed by a kink anti-kink pair. When the electron escapes from this potential well it suffers a potential jump as it crosses the junction. Electrons at lower depths suffer greater potential jumps. The potential jumps were evaluated by using the Lax pair for the Sine Gordon equation and then using Gelfand-Levitan equation on the bound states formed by the kink-anti kink pair.

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18

Title : Optimize Renting Times of Machines in Flow-Shop Scheduling

Authors : Laxmi Narain

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This paper studies three-machine scheduling problems in the situation when one has got the assignment but does not have one's own machines and has to take machines on rent to complete the assignment. Minimization of total rental cost of machines may be the criterion in this type of situation. Here, we have considered a rental policy in which second and third machines will not be taken on rent at times when the first job is completed on first and second machines respectively but these machines will be taken on rent subject to some criterion. The objective is: for a given sequence obtain the latest times at which the machines should be taken on rent so that total rental cost is minimum without altering the total elapsed time. We have obtained a simple and efficient algorithm, without using Branch-and-Bound technique. Numerical example is given to illustrate the algorithm.

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Title : Optimization of Rotational Speed for Casting Al-Si Alloy Using Centrifugal Casting

Authors : Mr. Pavan B B, Mr. K S Keerthiprasad, Mr. Prakash H R, Deepika H J

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An alloy is a material that has metallic properties and is formed by combination of two or more chemical elements of which at least one is a metal. Commonly, alloys have different properties from those of the component elements.In recent years aluminium alloys are widely used in automotive industries. This is particularly due to the real need to weight saving for more reduction of fuel consumption. The typical alloying elements are copper, magnesium, manganese, silicon, and zinc.Aluminium-Silicon alloys are of greater importance to engineering industries as they exhibit high strength to weight ratio, high wear resistance, low density, low coefficient of thermal expansion etc. Silicon imparts high fluidity and low shrinkage, which result in good cast ability and weldability. 

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Title : Ferrodiesel

Authors : Sarath Babu Ramachandran

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Ferrofluid -diesel blend (Ferrodiesel) are fuels for regular diesel engines. The advantages of ferrofluid diesel blend are reductions in the emissions of nitrogen oxides and particulate matters, which are both health hazardous, and reduction in fuel consumption due to better burning efficiency. An important aspect is that ferrodiesel can be used without engine modifications. This paper presents the influence of ferrofluid on the emissions and on the combustion efficiency. Whereas there is a decrease in emissions of nitrogen oxides and particulate matters, there is an increase in the emissions of hydrocarbons and carbon monoxide with increasing ferrofluid content of the blend. The combustion efficiency is slightly improved when ferrofluid is blended with diesel.

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Title : Cyclic Plastic Deformation Behaviour of SA 312 Type 304LN Stainless Steel

Authors : Avinash Ethirajan, M. Saravanan, S. Vishnuvardhan, J. Jeyanthi

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Many engineering components are often subjected to cyclic load excursions beyond elastic limit and hence cyclic plastic deformation in such components becomes inevitable.  Since the resultant elastic-plastic stress-strain response of the material plays a pivotal role in analysis, design and failure of the component, it becomes important to understand the cyclic plastic deformation behaviour.  Strain-controlled fatigue is an important consideration in the design of components that undergo either mechanically or thermally induced cyclic plastic strains which may cause failure in low number of cycles (approximately <105).  This paper presents the details of strain-controlled low cycle fatigue tests carried out on SA 312 Type 304LN stainless steel material.  ASTM E 606 - 12 was followed in preparing the test specimens and carrying out the fatigue tests.  The tests were carried out under constant amplitude cyclic triangular waveform loading.  The specimens were tested at six different strain amplitudes of ±1.10%, ±1.25%, ±1.40%, ±1.55%, ±1.70% and ±1.85%.  Cyclic stress-strain hysteresis curves were obtained throughout the entire duration of the fatigue tests.  The number of cycles to failure of the specimens was recorded.  Using the empirical relationships, fatigue parameters, namely cyclic strength coefficient, cyclic strain hardening exponent, fatigue strength coefficient, fatigue strength exponent, fatigue ductility coefficient and fatigue ductility exponent were evaluated; the values of the same were found to be 414.66 MPa, 0.2048, 777.54 MPa, -0.1010, 0.1955 and -0.4780 respectively.  These fatigue parameters will be useful in determining the number of fatigue loading cycles for fatigue-ratcheting crack initiation in components made of this material.

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22

Title : Feedback based Optimized Scheduling Algorithm for Cloud Broker using Rough Set and Fuzzy Logic

Authors : Anandi Lal Jangir

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As the basic definition of cloud says that pay only for that which u have used. Cloud computing has two components one is cloud broker which deals with users and second is the service provider. Cloud middlemen or Broker provides cloud arbitrage services to users that allow end users to shift between platforms to get the best pricing so that user can purchase the services with low prices. Main objective of this paper is implementing an algorithm for cloud broker to enhance the reliability and enhancing the satisfaction of customer. The algorithm calculate the optimal fuzzy value on the basis of rating of each cloud service provider and customer feedback and allot the new customer with the CSP which have maximum fuzzy value. The algorithm is implemented in cloud simulator with the help of net-beans.

100-102
23

Title : Design and Fabrication of a Supersonic Wind Tunnel

Authors : Bhavin K Bharath

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This work proposes to design and fabricate a supersonic wind tunnel that can be operated using the compressor and pressure vessel having a capacity of 1000 litres and a maximum storage pressure of 12bar. Test section size and the operating Mach number of the wind tunnel is designed so that the tunnel can operate for 30 sec using the air stored in this pressure vessel. The design is based on the assumptions of 2D in viscid flow and normal shock pressure recovery in the diffuser. The tunnel designed according to these criteria has a design Mach number of 2.5 and an 80mm × 20 mm rectangular test section. Calibration of this facility was also carried out by measuring the static pressure in the test section, which shows a test section Mach number of 2.14.

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Title : Performance Analysis of CSRZ, MDRZ, NRZ and DPSK Modulation Formats for Two Channel WDM Passive Optical Network

Authors : Kamalpreet, Miss Bhawna Utreja

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In this paper, we have simulated 2 channel bi directional WDM PON system using CSRZ, NRZ, DPSK and MDRZ modulation formats. System has been analyzed by changing the input power values from -20 to 10dBm. The system is evaluated for 20Gbps bit rate upto 50km in terms of Q factor and eye opening factor. It is found that DPSK is best technique as compared to other modulation formats.

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Title : Impact of Polarization Interleaving (PI) on WDM-FSO system

Authors : Neha Gupta, Dr. Amandeep Singh Sappal

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This work is focused to carry out investigation of  WDM Free Space Optical transmission when even and odd channels are orthogonally polarized. In this work 8 independent channels each having capacity of 1.56Gbps are transmitted over free space optical link of 15 kilometer at different beam divergence angles. Systems with and without polarization interleaving are compared here in this paper. Then after WDM-FSO polarization interleaving systems with 16 channels are realized. The bit rate of each channel is increased to 8Gbps and it has been found that WDM-FSO system with polarization interleaving having 16 channels and 128Gbps bitrates of whole system is optimized to work properly up to 25 kilometer range after its comparison with WDM-FSO polarization interleaving system having 8 channels and capacity 12.48 Gbps of whole system. Performance is measured in the terms of Quality Factor and Eye Diagrams.

111-114
26

Title : Numerical and Experimental Studies of Heat Transfer in Porous Media

Authors : Rajesh N P

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The subject of heat transfer through porous media is an area of rapid growth in contemporary research. Porous media consists of solid matrix and fluid matrix. The void matrix in the porous media is filled with fluids or gases. Heat transfer through porous media includes conduction, convection and radiation. The objective of this study is to determine the thermal response of a porous media under varying heating conditions. In the present study only one mode of heat transfer, heat conduction, is used to determine the thermal response of a porous media. For this analysis effective properties of porous media are used and the effective properties are determined using correlations. An explicit finite difference scheme is used for numerical formulation of the problem. The numerical model can be augmented by experimental results, which is also included in the scope of this work. Porous materials are used to protect the reentry space shuttle from failure due to aerodynamic heating. Silica tiles, which are essentially a porous material, made from pure silica fibre are used to protect the space shuttle. The experiments were carried out on silica tiles in a facility having capability to simulate time varying heating conditions and studied the thermal response of the material. The experiments were repeated for different specimens with variation in thickness at varying heating conditions. Experimental results are found to be in good match with the numerical results.

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Title : Detection of Fault in Gearbox System Using Vibration Analysis Method

Authors : Saurabh S. Shahapurkar, Hemant S. Pansare, Prashant P. Dhebe, Chetan S.Wagh, Prof. Amit Desale

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In gearboxes, load fluctuations on the gearbox and gear defects are two major sources of vibration. Further, at times, measurement of vibration in the gearbox is not easy because of the inaccessibility in mounting the vibration transducers. For detecting different type of gear tooth faults a experimental data is taken from single stage gearbox set up with help of FFT analyser. Vibration analysis techniques are used for detection of fault in gear system, fluctuation in gear load such as a method for detecting the evolution of gear faults based on time- frequency analysis through Matlab. The various types of defects are created on gear tooth such as one corner defect, two corner defect, three corner defect, and Missing tooth. By comparing Signals of defective condition with healthy (ok) condition through FFT analyser in which analysis is carried out with the decomposed current signal to trace the sidebands of the high frequencies of vibration. The validation is done successful by taking input signal from FFT analyser to Matlab program for calculating effective statistical parameters in defective condition for time & frequency domain analysis. The actual position in angle of rotation for one tooth missing in gearbox is also investigated by using Matlab program. It is also helpful tool for health monitoring of gears in different conditions.

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Title : Effect of Fibers on Properties of Clay

Authors : Soundara B, Senthil kumar K. P

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The use of natural fibers such as coir for soil improvement is highly attractive in countries like India where such materials are locally and economically obtainable, in view of the preservation of natural environment and cost effectiveness. This paper compares the effect of random inclusion of locally available coir fibers and commercial polypropylene fibers on compaction characteristics and California Bearing Ratio (CBR) values of soil. Standard Proctor tests and CBR tests are done on locally available cohesive soil (CH) with low percentage of reinforcement (0–1.5% by weight of oven-dried soil). The Maximum Dry Density (MDD) of fiber stabilized soil goes on decreasing and Optimum Moisture Content (OMC) goes on increasing with increase in percentage addition of coir and polypropylene fiber, irrespective of the percentage of addition of fiber. CBR test results reveal that the inclusion of randomly distributed fibers in soil increases the CBR values of the soil by two times. Coir fibers show very close percentile improvement in CBR value of soil when compared with polypropylene stabilized soil. Hence the inclusion of discrete coir fibers in random fashion significantly improves the CBR value of clay and hence could be effectively used for pavement sub-grade purposes.

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Title : Presorting of high grade molybdenum ore - A case for enhanced small mine development

Authors : Michael Hitch, Andrew Bamber, Patricia Oka

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With increasing energy and labour costs, and downward pressure on commodity prices, many mines are forced to extract higher grades to remain profitable. Additionally, pressure is increasing on mine operators to reduce their environmental footprint or face public censure, hence traditional approaches such as increasing the mining rate are not attractive. In this environment, operators must innovate to prevent smaller, or less profitable, mines from closing. Data from over eight years of research at the University of British Columbia, and ore recent data from customer studies at MineSense Technologies suggests that previously unrecognized quantities of barren or low grade waste is the norm, rather than the exception in mill feed material globally, therefore an approach that shows remarkable potential to address both of these issues is the pre-concentration of ore by sorting ahead of the mill. Through sensing of the physical, chemical or electromagnetic magnetic properties of ore on a by-particle basis, significant variations in grade can be measured; by exploiting this sensed data identification and rejection of up to 60% waste by mass prior to the expensive process of grinding is possible. Mill feed grade is increased, reducing transport and processing costs, potentially improving plant recoveries, and reducing the amount of waste being sent to the tailings pond. This paper presents the results of recent work undertaken to evaluate the potential of optical, x-ray, electromagnetic and density-based pre-concentration methods on ore from the Kuemseong molybdenum mine in South Korea. The work indicated technical and economic feasibility of pre-concentrating the Kuemseong ore. Using the preferred method of optical separation, overall extraction and recovery was vastly improved, with lower operating costs projected at the mine. The result confirms general potential for this strategy to enhance profitability while simultaneously improving environmental performance for small mine assets.

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Title : Wieldy Finger and Hand Motion Detection for Human Computer Interaction

Authors : Prerna Verma, Rohit Miri

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We have developed a gesture based interface for human computer interaction under the research field of computer vision.Earlier system have used the costlier system devices to make an effective interaction with systems, instead we have worked on the web cam based gesture input system.Our goal was to propound lesser cost, wieldy, object detection technique using blobs for detection of fingers.And to give number of count of the same.In addition, we have also implemented the hand gesture recognition.

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Title : N-ary Relation Approach for Open Domain Question Answering System Based on Information Extraction through World Wide Web

Authors : Roma Yadav, S.R.Tandan

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In this paper, we have presented n-ary relation based open domain question answering system for Extraction Information from an oversized assortment of document against arbitrary questions. We proposed two algorithms to extract entity and relationship from string and to extract answer for queried question. Our proposed algorithm works on both online and offline mode with greater accuracy.

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Title : Classification of Diabetes Mellitus Using Machine Learning Techniques

Authors : Amit kumar Dewangan, Pragati Agrawal

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Abstract :

Diabetes-Mellitus refers to the metabolic disorder that happens from misfunction in insulin secretion and action. It is characterized by hyperglycemia. The persistent hyperglycemia of diabetes leads to damage, malfunction and failure of different organs such as kidneys, eyes, nerves, blood vessels and heart. In the past decades several techniques have been implemented for the detection of diabetes. The diagnosis of diabetes is very important now a days using various types of techniques.  Here, there are various techniques, their classification and implementation using various types of software tools and techniques. The diagnosis of diabetes can be done using Artificial Neural Network, K-fold cross validation and classification, Vector support machine, K-nearest neighbor method, Data Mining Algorithm, etc. Using these techniques, we attempt to make an ensemble model by combining two techniques: Bayesian classification and Multilayer Perceptron for the accuracy, sensitivity and specificity measures of diagnosis of diabetes-mellitus. 

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Title : Secured Wireless Content Transmission over Cloud with Intelligibility

Authors : Amit Kumar Dewangan, Sadaf Rahman

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Abstract :

Information privacy can be successfully protected through encryption. The high convenience of PDAs and tablets is held onto by shoppers and also the corporate and open segment. Then again, particularly in the non-shopper range the element security assumes a conclusive part for the stage determination process. The majority of the present organizations inside of the cell phone area included an extensive variety of security components to the at first customer situated gadgets or have managed security as a center element from the earliest starting point (RIM, now BlackBerry). One of the key security highlights for ensuring information on the gadget or in gadget reinforcements are encryption frameworks, which are accessible in the greater part of current gadgets. For this reason for existing, Android's distinctive encryption frameworks are surveyed and their vulnerability to diverse assaults is examined in point of interest. Taking into account these outcomes a work process is exhibited, which bolsters organization of the Android stage and use of its encryption frameworks inside of security basic application situations. At long last, we demonstrate that our methodology is anything but difficult to introduce and arrange over all Android stages including cell telephones, tablets, and little journals as soon as possible for the greater part of the customary Android applications.

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