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Volume 3 Issue 4 (April 2016)

S.No. Title & Authors Page No View
1

Title : Studying the Behavior of Slender Reinforced Lightweight Concrete Columns Subjected to Eccentric Loads

Authors : Dr. Eiad Hafiz Zahran

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Due to technology and research development on concrete compressive strength over the last years, the use of lightweight concrete has proved to be most popular in terms of economy, superior strength, stiffness and durability. However, strength and ductility are generally inversely proportional. Lightweight concrete is a brittle material causing failure to occur suddenly under excessive applied loads. It is also well known, that axial compression concrete elements (i.e. axially compressed) rarely occurs in practice. The stress concentrations caused by eccentric loading, further reduce the strength and ductility of high- strength concrete columns. The elastic-plastic behavior of pin-ended reinforced concrete slender columns subjected to biaxially eccentric loads is investigated experimentally and theoretically. The ultimate loads, longitudinal and transverse deformations and the behavior up to failure of the columns are examined in detail. This paper presents an experimental and analytically (Ansys14) study to investigate the general deformational behavior of eccentrically loaded slender lightweight reinforced concrete columns. Six long scale lightweight columns with 2000 mm height and three cross sections, rectangular, square and circular cross sections. All specimens connected with two end plates were tested under eccentric and no eccentric loads. Different types of lightweight materials were used. Ansys14 has provided useful insight for future application of a finite element package as a method of analysis. To ensure that the finite element model is producing results that can be used for study, any model should be calibrated with good experimental data. This will then provide the proper modeling parameters needed for later use. 

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Title : Exact solution for the bending deformations of layered magneto-electro-elastic laminates based on thin-plate formulation

Authors : Mei-Feng Liu

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In this paper, a rather compact differential equation governing the bending behavior of a magneto-electro-elastic (MEE) rectangular thin plate is introduced, in particular, the exact solutions for the deformation response of laminated BaTiO3-CoFe2O4 composites subjected to certain types of surface loads are analytically obtained. Due to the omission of the transverse shear deformation and rotatory inertia assumed in Kirchhoff thin-plate theory, the governing equation can accordingly be expressed in terms of the transverse displacement only. As a result, the structural characteristics such as elastic displacements, electric potential and magnetic induction for a magneto-electro-elastic (MEE) rectangular plate can be carried out in a theoretical approach. For a laminate MEE composite, the material constants can be uniquely determined by the volume-fraction (v.f.) of the piezoelectric constituent BaTiO3, and are tabulated with 25% offset of the volume-fraction. According to the specified boundary conditions imposed on the MEE thin plate, the deformation variations with closed-circuit electric restriction are evaluated analytically in the present study. The results obtained in this paper by using the proposed model can be shown to have good agreements with the other available research works, however, with the advantage that the present study indeed provides a much simpler way in seeking the analytic solutions for the interactively coupled quantities of a layered MEE medium.

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Title : A Review on Aerodynamic Analysis of Horizontal Axis Wind Turbine Blade Using CFD Technique

Authors : Ms. Priti G. Bhadake, Prof. V. G. Gore

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Energy requirement is increasing day to day and therefore renewable energy source is most power full way to full fill requirement of energy. Wind energy is one of the most efficient renewable energy. The aerodynamic airfoils of wind turbine blades have crucial influence on aerodynamic efficiency of wind turbine. This involves the selection of a suitable airfoil section for the proposed wind turbine blade. Airfoil shape of wind turbine and design of airfoil shape are investigated in this review paper. General airfoil behavior and airfoil optimization for improve coefficient of lift are to be investigate in this review paper. The aerodynamic airfoils of wind turbine blades have crucial influence on aerodynamic efficiency of wind turbine. This involves the selection of a suitable airfoil section for the proposed wind turbine blade. Airfoil is most affecting parameter in whole wind turbine for extracting energy so it is necessary to design for maximizes aerodynamic efficiency for high energy production rate.

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Title : Conventional Concrete Over Geo Polymer Concrete Using GGBS

Authors : A.Pavani, J.Rakesh, P.Gopichand, P.Suvarnaraju

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Portland cement production is under critical review due to the high amount of carbon dioxide gas released to the atmosphere. But at the same time, disposal of huge quantity of fly ash generated from the power plants is also becoming a big burning problem. This is detrimental to animal and plant life, since it pollutes the environment as well as it requires large area for its disposal, when availability of land get scarce day by day. Most of the plants now are facing shortage of dumping space of these waste materials. Most of this by product material is a currently dumped inland fill, thus creating a threat to the environment. In recent years attempts to increase the utilization of fly ash to partially replace the use of Portland cement in concrete are gathering momentum. Efforts are urgently underway all over the world to develop environmentally friendly construction materials, which make minimum utility of fast dwindling natural resources and help to reduce greenhouse gas emissions. In this connection, Geopolymers are showing great potential and several researchers have critically examined the various aspects of their viability as binder system. Geopolymer concretes (GPCs) are new class of building materials that have emerged as an alternative to Ordinary Portland cement concrete (OPCC) and possess the potential to revolutionize the building construction industry. Considerable research has been carried out on development of Geopolymer concretes (GPCs), which involve heat curing. A few studies have been reported on the use of such GPCs f or structural applications. An experimental investigation was carried out to study the material and mixture proportions; the manufacturing processes, the fresh and hardened state characteristics of fly ash based geo polymer concrete are evaluated. In the present study the compression behaviour of geo polymer concrete was assessed and the behaviour was found to be considerably more than that of conventional concrete. 

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Title : Green Synthesis of Zirconium Dioxide (ZrO2) Nano Particles Using Acalypha Indica Leaf Extract

Authors : Dr. (Mrs.) S. Shanthi, S. Sri Nisha Tharani

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The green biogenic synthesis of nano particles using plantextracts is always eco friendly and attractive. The current study focuses on the production of ZrO2 nanoparticles using the aqueous leaf extracts of Acalypha Indica. This green synthesis approach shows that the environmentally benign and renewable aqueous leaf extract of Acalypha indica can be used as a reducing agent for the synthesis of zirconium dioxide nanoparticles.  The FTIR analysis played a pivotal role in displaying the important functional groups present in the ZrO2 nanoparticle, which showed that the sample had strong absorbance in the range of 508 & 498 cm-1.The XRD pattern has been used to characterize the structure and size of ZrO2 nanoparticles. The Scanning Electron Microscope with the Energy Dispersive X-ray studies provided the size and the elemental composition of the synthesized ZrO2 nanoparticles. The average size of the nanoparticles was found to be 20-100nm. Hence the biogenic synthesis of ZrO2  nanoparticles using Acalypha Indica  can be an alternative to chemical synthesis.

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Title : Modelling of Permanent Magnets Track in the Finite Element Analysis of Linear Synchronous Motor

Authors : Petar Milkov Uzunov

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The paper presents a special technique for magnetic way modeling in its FEM - based ( Finite Elements Method) analysis of the AC magnetic field, which aims at accurate calculation of forces acting on the moving  part of one Permanent Magnet Linear Synchronous  Motor (PMLSM). Here has been used an approximation of AC solutions of problems for linear motors with replacing the permanent magnet ways by AC current sheets.  This models the synchronous movement of the magnets interacting with the AC currents in the mover winding. Calculated thrust and attractive force of the linear motor on the base of AC and DC motor magnetic field analysis was compared with the results from experiment and their good match has been proved.

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Title : Performance Evaluation of a Small Scale Maize Grains Dryer

Authors : Ibrahim S. O, Fashina A. B., Akande F. B., Sanusi B. A.

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Maize is a food material for both humans and animals and its production and preservation is therefore important so as to make it available and affordable throughout the year. The preservation of surplus crops including maize can be regarded as one of the first and most important processing technique. Maize is usually harvested with high moisture contents that make its storability difficult, to avert this maize dryer was developed and its performance evaluated.Freshly harvested maize [DMR –Yellow) collected from the agricultural engineering demonstration farm of the polytechnic, Ibadan, Saki Campus was used as test materials. In order to assess the performance of the dryer in form of uniformity in temperature distribution, temperature distribution test was conducted. Performance of the dryer was tested by introducingshelled maize of 35%(wb) initial moisture content into the dryer. Samples were collected from the dryer at an interval of 30 minutes until the drying time was 4.5 hours. Moisture contents of the samples collected were determined.  The results of temperaturedistribution tests showed that the dryer reaches an equilibrium state in terms of temperature distribution after the 15th minute of operating the dryer irrespective of the set temperature and air velocity. The values of moisture contents decrease progressively from 34.70 to 13.57 % (wb) as the time increases from 0.0 to 4.5 h at 40 oC. It decreases from 34.70 to 13.35 % (wb) and from 34.70 to 12.23% (wb), at 45oC and 50 oC, respectively, within the same time frame. There is a progressive decrease in moisture content of the maize grain as the drying time and air velocity increases for all the pre – set temperatures (40, 45 and 50 oC). It was further revealed that, the reduction in moisture content of the maize grain were faster at higher air velocities and air temperatures.        

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Title : A Study on Multi Storied Building Manual Calculation Design in Guntur

Authors : G.Anil, Dr.P.SuvarnarRaju, D.A.Raghavendra

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A multi storey building is a building that has multiple floors above ground in the building. Multi-storey buildings aim to increase the floor area of the building without increasing the area of the land and saving money.     Analysis of multi-storey building frames involves lot of complications and edacious calculations by conventional methods. To carry out such analysis is a time consuming task. Substitute frame method for analysis can be handy in approximate and quick analysis instead of bidding process.  Till date, this method has been applied   by designers for vertical loading conditions. The represented plan given to office   purposes can accommodate with minimum facilities. Generally buildings   may be failed by bending moments, shear forces acting on members of the building. By keeping these failures in mind, we designed beams, columns, footings by considering maximum loads on members. For loads calculation, substitute frame method is used for reducing the complexity of calculations and saving time.  This total  G +3 office building designed with only manual calculations  based on  values here taken from the  standard code books (IS 456:2000, SP 16).

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9

Title : Level Set Segmentation of Very High Spatial Resolution Satellite Image

Authors : Hamida Samiha Rahli

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The advent of imaging very high spatial resolution has currently evolving representation of the study areas with high precision by providing a vision similar to that issued by the aerial images.  However, their analysis requires new methods to deal with the multitude and diversity of information of information present in these images. Our contribution is to apply the level set method segmentation for very high spatial resolution. It is widely used in image processing field and has proven its effectiveness.

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10

Title : Failure Analysis of Crankshaft using Finite Element approach

Authors : Chetan Kahate, Ashok Keche

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The fatigue phenomenon occurs due to repetitive loading on components like crankshaft of IC engine. Fatigue due to combined bending and torsion is most common reason of failure of crankshaft. The objective of this work is to evaluate fatigue life of alloy steel made crankshaft. The crankshaft under study was investigated for failure zone in pin web fillet region. The process wise investigation was made to find out the root cause of fracture occurred in failure zone. The root cause was found to be low surface finish in the pin web fillet region. It  caused the undesired stresses in the failure zone. It is observed that due to bad surface finish the fatigue life of existing crankshaft was drastically reduced. The crankshaft is modeled and stresses are analyzed using finite element software. The fatigue life of crankshaft subjected to pure bending and pure torsion loading is obtained during actual testing. The possibility of using fatigue test data from pure bending and pure torsion loading is explored in present work to estimate the fatigue life due to combined loading. In the present study the attempt has been made to improve the surface finish of crank shaft. It is observed that the surface finish is improved 35/% by changing the guide shoe material of crank shaft assembly. The results obtained from simulations are then correlated with experimental results of loading. 

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11

Title : Remote Image Classification using improved ant colony mechanism

Authors : K. Leelavathi, Prof.T.Sudha

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Remote detecting has been used as a piece of endless biological applications with the purpose of unwinding and improving an extensive variety of issues: soil quality studies, water resources research, meteorology propagations, regular affirmation, among others. Remote-detecting research focusing on picture portrayal has subsequent to a long time back pulled in the thought of the remote-detecting bunch since request results are the reason for some common and money related applications. Portrayal of a remotely distinguished (RS) picture can be seen as an iterative strategy in which each of its pixels is consigned to one of only a handful few predefined land spread classes to be mapped. The target of picture request is to abuse the repulsive, spatial and temporary determination of data and diverse characteristics, for instance, multi polarization, multi repeat and multi event edge imprint to make the game plan more strong and exact. This paper forms another grouping method named enhanced subterranean insect state system with neural system which comes about better when contrasted with existing strategy.

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Title : Analysis and Design of Water Distribution Network Using EPANET for Chirala Municipality in Prakasam District of Andhra Pradesh

Authors : G. Anisha, A. Kumar, J. Ashok Kumar, P. Suvarna Raju

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The present system of supply adopted in Chirala municipality is an intermittent supply and the network adopted is a dead end system. This system of supply of water in Chirala municipality may or may not be reliable to the upcoming years. Hence the research is all about the analysis of the existing network and concludes about the reliability on the network for the future. The analysis is carried out based on various public demands, quantities of inflows and out flows of the over-head reservoirs. This analysis provides the information about various demands, losses, and uses of the public. The design of a new network of supply will make the municipality be aware of the new demands, rate of increase in the demands. The design is made keeping in view of the population growth rate, and the developing town. The design brings out an improvement in the existing network.

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Title : Physical Aspects of Negative Oxide Charge in p-MOS Capacitors with Annealed ITO Gates

Authors : Oleksandr Malik, F. Javier De la Hidalga-Wade

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Properties of p-MOS capacitors with tin-doped indium oxide (ITO) gates have been investigated. The use of a transparent conducting gate is important for applications of p-MOS capacitors as optical sensors. A significant shift of the capacitance-voltage characteristics was observed, and this is explained as due to the presence of a negative oxide charge at the ITO-silicon dioxide interface. This negative charge comes from the presence of indium atoms that have diffused into the silicon dioxide.

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14

Title : A Strong Convex Atmost 2-Distance Dominating Sets In Graphs

Authors : Dr. D. S. T. Ramesh, Dr. A. Anto Kinsley, V. Lavanya

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Let G be a connected graph of order p ≥ 2. We study about the convex and dominating sets of G. We define strong convex sets and strong convex atmost 2-distance dominating sets and we prove a theorem to develop new convex sets with domination number. Finally we present in this paper, various bounds for it and characterize the graphs, with bounds attained.

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15

Title : Implementation of Real Time Video Streamer System in Cloud

Authors : Mrs.G.Sumalatha, Mr.S.Bharathiraja

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In this paper, Embedded Real-time video monitoring system is designed, in which the embedded chip and the programming techniques are used. The central monitor which adopts Raspberry pi is the core of the whole system. Real time video transmission is widely used in surveillance, conferencing, media broadcasting and applications that include remote assistance. First, USB camera video data are collected by the embedded Linux system. All data are processed, compressed and transferred by the processing chip. Then, video data are sent to the mobile client by wireless network. This embedded monitoring system to overcome the week points of the traditional video surveillance systems, such as complex structure, poor stability, and expensive cost. It can be widely used in many fields, and also used for long distance transmission.

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Title : Skin Cancer Segmentation, Detection And Classification Using Hybrid Image Processing Technique

Authors : Neenu Paliwal

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Now a days the application of image processing and segmentation plays an important role  in medical area. For cancer has found to be the most common and hazardous disease. . Skin cancer may be of different types like Melanoma, Basal and Squamous cell among which Melanoma is the most dangerous, uncertain and unpredictable. Detection of skin cancer in the earlier stage is important and can be helpful to cure it. For image segmentation and feature stages we can go through the Melanoma parameters Like Asymmetry, Border, Color, Diameter, (ABCD). With the help of texture, size and shape extracted feature parameters are used to classify the image as Melanoma cancer lesion or as a normal skin. . Computer vision can play important role in Medical area for Image Diagnosis. To deal with this trouble shoot there is  a requirement to develop e computer-aided diagnostic systems to facilitate the people for the early detection of the melanoma. The first step includes skin lesion segmentation. The next essential step is  to  extract the feature  and pattern analysis procedures to make a diagnosis of the affected area. This paper gives an idea to deal with   the segmentation, detection and classification of the skin cancer and the affected area using hybrid image processing techniques.

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Title : Predictive Analysis of Homosexualism as the Prime Cause of HIV/AIDS Outbreak

Authors : Kamalu C. I. O, Uzondu F. N, Oghome P, Okolie I. J, Nwakaudu M. S, Obibuenyi I.J.

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In this work, HIV/AIDS data from homosexuals, heterosexuals and lesbians were obtained from the internet. Computational table  of  ratios  of  homosexuals  to heterosexuals,  lesbians  to  homosexuals  for  both  HIV  and  AIDS  patients  as  a function  of  time  were  made  and  plotted  using  shape  preserving  interpolant  in MATLAB 7.9 toolbox. Observations were made of those ratios, as a function of time, that are above and below y-axis = 1. It was seen that homosexual to heterosexual HIV shoots off in 1998 and continues to rise. Homosexuals to heterosexual AIDS ratio are to cross y=1 line and continue to rise in the future (fig.2). Also in fig. 4, Hho/Nho rises geometrically, showing HIV as the cause of the rise. In fig 5, plots of HIV to normal people and AIDS to normal people show another geometric rise indicating that HIV and AIDS are responsible for the rise.  From the foregoing observations, it is therefore imperative to assert that homosexualism has a big and major role to play in the advent of HIV/ AIDS. This result can be used by World Health Organisation (WHO), Centre for Disease Control (CDC) for the control of the spread of HIV/AIDS, and also by hospitals for those treating HIV/AIDS, especially those practicing homosexualism.

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Title : Study of Strength Variation of Concrete Using Ureolytic Bacteria

Authors : Satinder Kaur Khattra, Manisha Parmar, Urmila Gupta Phutela

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This paper presents the results of a study carried out to investigate the ability of ureolytic bacteria to enhance the compressive strength of concrete. The urease producing aerobic alkalophilic bacteria Bacillus subtlis strain MU12 was used in the present study. Ureolytic bacteria used in the present studies were isolated from various sources like cowshed, poultry farm, milk, soil and pigeon dung. All the isolates were screened for ureolytic activity on the basis of urease test. These isolated cultures were purified on phenol red agar plates.  Four different cell concentration (104, 105,106,107 cells/ml) of bacteria were used in making the concrete mixes. Tests were performed for compressive strength of concrete cubes at 7 days, 14 days and 28 days. Inclusion of MU12 @ 107 cells/ ml in cement concrete enhanced the compressive strength in 7th and 14th days concrete samples. 

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Title : Missile Guidance Law Design via Backstepping Technique

Authors : Hamza Zaidi, Panlong Wu, Ali Bellahcene

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In this paper a Back-stepping Control technique is proposed for command to line-of-sight missile guidance law design. In this design, the three-dimensional (3-D) CLOS guidance problem is formulated as a tracking problem of a time-varying nonlinear system. Simulation results for different engagement scenarios illustrate the validity of the proposed Backstepping-based Guidance Law.

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Title : Review: The Stochastic Approach and Systems of Index Numbers

Authors : El-Hoseeny Abd El-bar Rady, Aly Ibrahim Mohamed, Ahmed Amin El-sheikh, Hanan Mohamed Mostafa Mohamed

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The main objective of the paper is to review a number of widely used multilateral index numbers for international comparisons of purchasing power parities (PPPs) and real incomes that can be derived using the stochastic approach. The paper discuss that price index numbers from commonly used methods like the Iklé, the Rao-weighted, and an additive multilateral system are all estimators of the parameters of the country–product–dummy (CPD) model. The paper also presents the method of moments (MOM) as an approach to estimate PPPs under the stochastic approach and shows how the Geary–Khamis system of multilateral index numbers is a method of moments estimator of the parameters of the CPD model. 

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Title : The flow with unstable electroconductivity of an MHD fluid over a suddenly accelerated plate : A study

Authors : Mr. Y. Harnath, Dr. A. Sudhakaraiah, Dr. P. Venkatalakshmi, Prof. M. Rajaiah

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The effects of viscosity and thermophoresis on a suddenly accelerated plate with approximated variable electronegativity on an MHD fluid influenced by chemical reaction and radiation are made in this paper and the governing hydrodynamical equations of the physical problem was formulated ; its solutions were analyzed for diverse parameters, such as, Hartmann number (M), electroconductivity (σ), temperature dependent parameter (Pr), Reynold’s number (Re), thermal buoyancy (Gr), thermophoresis (Sr) etc. The results were shown through graphs and tables. It is seen that the velocity increases with the magnetic field (M) ; the thermal buoyancy and Solutal buoyancy also increases the velocity ; as a result of sudden movement of the plate, the decrease in electronegativity results in the increase of velocity ; the thermal distribution increases with the increase of Pr, Re, and viscosity ; with the increase of radiation and large amounts of heat absorption, the temperature increases ; with the increase of Sr and Sc, and with the rise in the chemical reaction the concentration distribution of the fluid decreases ; with increase of viscosity a sharp decrease is observed ; with increase of radiation the concentration of the fluid is increased but it decreases in the boundary layer sharply.

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Title : Forefoot Varus (FV) in Children

Authors : Tachtsoglou Kiriaki, Iliadis Christos, Ouzounakis Petros, Monios Alexandros, Kourkouta Lambrini

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Introduction: Forefoot varus is a disease that occurs from birth and describes a situation in which the child's feet are turned towards its body. Purpose: The purpose of this review is to present the forefoot varus disease in children. Methodology: Extensive review of the recent literature in electronic databases (Pubmed, Google scholar) and journals, with the keywords: child and forefoot varus. Results: Forefoot varus is a disease that describes a situation in which the child's feet are turned inwards. The foot deviates inwardly (varus) and downwards (equinus). The frequency of forefoot varus is estimated at 1-3 per 1000 live births and is more common in boys, and concerns both feet in 40% of the cases. Conclusions: Forefoot varus is a condition that must be diagnosed early to start treatment.

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Title : Survey of Biometric Authentication and Proposal of New Sensing Mechanism

Authors : Hirofumi Miki, Shigeki Tsuchitani

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This paper presented biometric authentication and the advantage of fingerprint-based biometric technology in these applications. After reviewing various types of existing sensing technologies and commercialized fingerprint captures, the problems in previous research and products are summarized. To overcome problems in the previous research and existing technologies, a novel sensing principle was proposed and the fabrication process as well as the results of experimentally demonstrated sensing mechanism was introduced.

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Title : Gain Coefficient Calculations for Laser lines Emission in C-like Se (XXIX)

Authors : Wessameldin S.Abdelaziz, Nahed.H.Wahba.

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By using the fully relativistic flexible atomic code (FAC) program to calculating the energy levels, transition probabilities, oscillator strengths, and collision strengths for Se (XXIX). These data are used in the determination of the reduced population for the 69 fine structure levels belonging to the configurations[2s2 2p2, 2s2 2p 3l (l= s, p &d) and 4l (l=s,p,d,&f)]  in C-like Se (XXIX) and gain coefficients over a wide range of electron densities (from 10+20 to 10+22cm-3) and at various electron plasma temperatures (500,1000,1500,2000,2500)eV. The results show that the transitions in Se (XXIX) ion to be the most promising laser emission lines in the XUV and soft X-ray spectral regions.

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