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Volume 5 Issue 8 (August 2018)

S.No. Title & Authors Page No View
1

Title : A Hybrid Approach For Air Conditioning Control System With Fuzzy Logic Controller

Authors : K.A. Akpado, P. N. Nwankwo, D.A. Onwuzulike, M.N. Orji

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Abstract :

Today air conditioning systems have been considered by all people as one of welfare requirements in buildings and closed environments. Conventional room air conditioners are controlled by thermostat with targeted temperature and no control over humidity. Fuzzy logic controller (FLC) was developed to maintain temperature and humidity at set conditions. Temperature and humidity are the inputs of the fuzzy logic control and outputs are the compressor and the Fan. ‘ColdAirIn’ and ‘HotAirIn’ represent ‘low and high’ heat of the Fan respectively. The paper presents the algorithm for intelligent air conditioning system. This algorithm is based on fuzzy logic. Fuzzy control is one of the methods which provide a powerful rule and methodology to guarantee Heating Ventilating and Air-Conditioning (HVAC). The designed system consists of two sensors for feedback control: one to monitor temperature and another one to monitor humidity.  The logic control was developed to control the operation mode of the air conditioning, and maintain the room set conditions. A fuzzy rule for this controller was formulated by temperature and humidity. The model of the controller was tested using MATLAB simulation. The system has proven to be a reasonable advancement in air conditioning system.

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2

Title : An investigative Study to Evaluate the Soil Health

Authors : B Vijaya Kumari, M Subbarao, P V S Machi Raju

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Abstract :

Soil quality is a measure of the condition of soil. Soil quality reflects how well a soil performs the functions of maintaining biodiversity and productivity. Soil management has a major impact on soil quality. Soil properties are affected by past land use, current activities on the site, and nearness to pollution sources. Keeping in view the importance of soil quality which is quite useful for agricultural purposes, it is proposed to characterise the soils for physicochemical parameters Viz., pH, Electric Conductivity, Total Dissolved Solids, Total Hardness, Total Alkalinity, Chloride, Sulphate, Nitrate, Phosphate, Sodium, Potassium, Calcium and Magnesium and to determine the irrigation parameters like Percent Sodium, Sodium Adsorption Ratio, Kelly’s Ratio and Magnesium Hazard to verify the quality for irrigation purpose particularly in mangrove region of East Godavari Region.

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3

Title : Recycling of Spent Unhairing-Limming Liquor

Authors : F. E. Faki, A. E. Musa, G. A. Gasmelseed, I. H. Elamin

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Abstract :

Unhairing – limming process is the most polluting operation in leather industry. In hair burn unhairing -limming method, lime and sodium sulphide and a huge amount of water are used to destroy and remove hair from hides and skins generating a large amount of effluent. Sodium sulphide is harmful to human and environment. As an effective substitution to sulphide has not yet been developed, recycling of lime – sulphide liquor has become one of the better options for pollution control. In the present study, direct recycling of unhairing – limming liquors was carried out. The liquors were reused 7 times after had been replenished with reduced quantities of chemicals and water. An average savings of about 28% in sodium sulphide, 32% in lime and 75% in water were obtained. The quality of crust leathers produced by recycling of limming liquor has not been changed comparing to control leathers.

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4

Title : GARCH Parameter Estimation by Machine Learning

Authors : Tetsuya Takaishi

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Abstract :

It is of great importance to estimate volatility of asset returns for risk management in empirical finance. The GARCH model is often used to estimate volatility. To utilize the GARCH model, we need to estimate model parameters so that the model matches the underlying return time series. Usually the maximum likelihood or the Bayesian method is used for the parameter estimation of the GARCH model. In this study we apply the machine learning technique for the parameter estimation. We minimize the loss function defined by the likelihood function of the GARCH model. The minimization is done by the Adam optimizer of TensorFlow. We find that the machine learning estimates the model parameters correctly. We also investigate the convergence property of the Adam optimizer and show that the convergence rate increases as the learning rate increases up to a certain maximum learning rate. Over the maximum value, the minimization fails with the optimizer.

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5

Title : Source apportionment of PM2.5 bound Polycyclic Aromatic Hydrocarbons from a Tricity in the foothills of Himalayas in Northern India

Authors : Sandeep Garg, Anita Rajor, Amit Dhir

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This study highlights variability in mass levels and source identification of PM2.5 bound polycyclic aromatic hydrocarbons (PAHs) in the tricity of Chandigarh, Mohali and Panchkula in India. The samples of PM2.5 were collected from industrial and residential and sensitive receptor sites during summer (April-May 2015) and winter (December 2015-January 2016) season. Sampling was done using medium volume sampler and chemical analysis was done using gas-chromatography technique. The average mass levels of PM2.5 varied from 31 to 91 µg m-3 exceeding to NAAQ standard of 60µg m-3 and total PAHs varied from 5.76 to 75.62 ngm-3 with a seasonal variability as higher in winter than in summer season. The positive correlation between PM2.5 & TPAHs suggested similarity in source and origin. Diagnostic ratio and principal components analysis suggested vehicular emissions, coal combustion, wood and biomass burning as the main source of PAHs in the study area for potential health hazards.

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6

Title : Investigate national Study on Environmental Impact of Reactive Powder Concrete

Authors : Arjun Bhindora

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This Reactive Powder Concrete (RPC) is an ultra-high strength, low porosity material with high cement and silica fume contents, steel fibers, low water-binder ratios and a new generation superplasticizer. With compressive strength in excess of 200 MPa, tensile strength of 20-40 MPa, and high workability, RPC can be used readily in a wide variety of structural applications, including bridges. It is ideal for prestressed applications which is one of the important benefits. This paper strongly states usage of different material and their impact on the environment. A copolymer of acrylic ester (CAE), a poly naphthalene Sulfonate (PNS) and a polymelamine sulfonate (PMS) are normally employed for the purpose. These admixtures are synthetic polymers. Compressive strength is one of the factors linked with the durability of a material. In the context of nuclear waste containment materials, the compressive strength of RPC is higher than required. An opportunity to improve the sustainability of this industry by further exploring the use of alternative materials. Reactive Powder Concrete (RPC) is a developing composite material that allows the concrete industry to optimize the material usage by generating economically benefits and helps the structure to become more strong, durable and sensitive to the environment. Furthermore, the RPC satisfactorily meets the requirement of practical application for Xiahou Bridge built with the RPC totally according to the calculation with finite element analysis software MIDAS/Civil. And the static loading testing result suggests that the design of the bridge meets the utilization requirements. Fly ash (FA), ground granulated blast-furnace slag (GGBS) and limestone powder (LP) are used to replace cement, and their effects on the properties of the designed UHPC are analyzed. The results show that the influence of FA, GGBS or LP on the early hydration kinetics of the UHPC is very similar during the initial five days, while the hydration rate of the blends with GGBS is mostly accelerated afterward. The durability characteristics of RPC in such applications become paramount for the success of the containment of the wastes. The adverse environmental conditions at the disposal site could attack the concrete barrier and results in degradation of the material. It is resistant against aggressive environmental conditions and extreme climatic conditions.

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7

Title : The analysis of game relationship between government and enterprise in industrial poverty alleviation

Authors : Yongfei Li, Guoshun Ma

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Industrial poverty alleviation is to increase the income of farmers through industrial development. At present, enterprises actively participate in industrial poverty alleviation under the mode of "enterprise + farmer" and have achieved good results. However, due to the different understandings of local governments on poverty alleviation policies and the information asymmetry between the government and enterprises, the poverty alleviation construction failed to achieve the expected goals. Based on the model of industrial poverty alleviation, this paper uses evolutionary game theory to analyze the dynamic evolution process of local government and poverty alleviation enterprises' strategy selection by establishing replicated dynamic equation, and obtains the evolutionary stable strategy of both sides of the game. The conclusion shows that the choice of local government poverty alleviation methods, the degree of punishment for negative poverty alleviation and the reduction of industrial cost has a direct impact on the development of industrial poverty alleviation, and put forward several suggestions on the sustainable effect of industrial poverty alleviation.

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8

Title : Optimization Of Distributed Hybrid Renewable Energy Resources In Power Network: Study Of Madangho - Escravos

Authors : Omorogiuwa Eseosa, Martin Thompson

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Abstract :

In Nigeria, major urban communities are supplied electricity through conventional grid systems, leaving majority in remote rural communities with little or no supply. Hence, diesel and petrol generators become means of generating electricity for these small remote villages for their livelihood and survival. This has resulted to gradual environmental change; global warming because of large fossil fuel emissions etc. Renewable Energy (RE) is abundant in nature and can provide unlimited clean energy to run the day-to-day electricity services in order to enhance socio-economic life of these rural dwellers. The research study is Madangho–Escravos, a remote rural community located at the coastline of Atlantic Ocean, in Niger Delta region of Nigeria. Available RE sources in Madangho are solar, wind, tidal and biomass. Distributed Hybrid Renewable Energy Sources (DHRES) comprising of Solar, wind and diesel generator were modeled using HOMER Software. Solar irradiance and wind speed data for Madangho-Escravos were collected from NIMET Osubi Airport. DHRES optimization indicated its feasibility and viability with low (Net Present Cost) NPC, Operating and Maintenance cost, and Cost of Electricity (COE) compared to conventional grid system.

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9

Title : Energy Efficiency Optimization Of Three Phase Induction Motor Drives For Industrial Applications

Authors : Omorogiuwa Eseosa, Ayor Christian

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Worldwide applications of electric motors for industrial purposes show that, about 60 percent of electrical power generated is consumed by electric motors. This has led to increase in production cost and environmental pollution as more energy demand implies more operating cost. This work aims to appreciably reduce this huge amount of energy demand by electric motors via the use of energy efficient optimization options. This work is concerned with three phase induction motor drive control technique. Although there are diverse control strategies, however search control method using V/f controller having torque versus frequency voltage matrix injected into the drive input is adopted. This method relies on the fact that, at specified values of speed and torque, (called operating point), there exist unique value of stator voltage needed to satisfactorily operate the motor at optimum efficiency level. The proposed controller functions by manipulating the stator voltage that will maximize motor efficiency at a determined operating point. This is done by using a more energy efficient controller drive system with reduced power loses. Simulation results carried out show an improved efficiency and reduced power losses, when compared to systems without this type of controllers.

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10

Title : Vibrations as a Parameter to Technical Condition of System; Notions and Criteria for Evaluation of Vibrations in a Vehicle

Authors : Astrit Shartari, Shefqet Hyseni, Basri Qerimi, Blerim Zeqiri, Besim Hajra, Sami Uka, Ruzhdi Qerimi

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Vibration is an important part in systems of mechanical analyses that can appear in every engineering problem in vehicles. It is clear that in order to have better control over problems in mechanical systems, analyses of vibrations is useful in order to resolve precisely reduction of vibrations and forces.

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11

Title : Contribution Of Labour, Irrigation and Fertilizer on The Yield of Rice Production (A Case Study Of Olam Integrated Nigeria Limited)

Authors : Adekanbi Olukemi O.

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This research, analysis on contribution of the labour, irrigation and fertilizer on the yield production of rice produce at Olam Integrated Nigeria Limited is aim to model equation for the production of rice , to examine the contribution of labour, irrigation and fertilizer on the production of rice and to determine whether the contribution of labour, irrigation and fertilizer will be increase or decrease the yield of rice at Olam Integrated Nassarawa state. The data use in the research work is secondary data which extracted from the sales and production of Olam,   multiple regression is use to analyse the data and the result of the analysis show that the model is fitted for the data and that contribution of labour, irrigation and fertilizer increase the yield of rice production.we thereby conclude that federal government should fund Olam rice production in order to increase the production of rice in Nigeria.

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12

Title : Aging Face Recognition Using Deep Learning

Authors : Yogita Mahajan, Shanta Sondur

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Deep learning based approaches has gained very optimistic results in face recognition area. Face recognition is become very effective research topic and has a of a number of attainments. Also there are some researches for periocular recognition to overcome limitations of entire face recognition. The challenges of aging in periocular recognition has not gained attention after its achievements. Deep learning approaches are used to overcome many challenges of face recognition such as pose, expression, illumination and aging. Periocular images recognition under less restricted environments is the problem researchers faced in face recognition. But proposed approach has a new structure that can get efficient periocular recognition. This work focuses on the aging face recognition problems of entire face image based on a deep learning method, in particular, convolutional neural network. The proposed methodology gives a deep learning based approach for periocular recognition subject to aging. Using a CNN feature extraction and classification characteristic of deep learning gives an accurate and efficient recognition rate as compared to conventional method.

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13

Title : Disaster Management Plan for Girnar Ropeway as per Environmental Setting at Mount Girnar

Authors : Arjun Bhindora, Dhruv Pansheriya

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Over the last two decades, there is growing interest from many companies on disaster management and practices. Organizations want to lead to sustainable workforces and embrace the high performance of the service organization. The topic is of great significance in particular in the context of tourist attraction in Junagadh. The project site stretches from the foot of Mount Girnar to a point near the Ambaji Temple at the top of the Mountain. Land required for this project is 72,817m2. The project will be developed as a mode of transportation for carrying pilgrims from the foot of Mount Girnar to Ambaji Temple This paper reviews the expectation of disaster balance as per the environmental impact such as the festival of “Maha Shivratri” also considering the tourist attraction and provides a suitable context for them.A qualitative approach in a single case study identified various elements of environmental disaster balance initiatives, related outcomes in their performance. The EMP provides a delivery mechanism to address potential adverse impacts and to introduce standards of good practice to be adopted for all project works. For each stage of the programme, the EMP lists all the requirements to ensure effective mitigation of every potential biophysical and socio-economic impact identified in the EIA. Aerial Ropeway Transportation technologies (ART), a type 13 of aerial transportation mode in which passengers are transported in cabins that are suspended 14 and pulled by cables, is one popular example of these technologies. The recent introduction of 15 this technology into the urban environment, in addition to the vendors’ continuous trials to 16 improve upon existing aerial ropeway technologies has led to several recent advancements and 17 improvements to the technology as illustrated by several recent implementations around the 18 world. In this article, we try to shed some light on some of the most recent improvements in the 19 technology specifications, operation and safety considerations of ART technologies as observed 20 from several case studies around the world.

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14

Title : Optical limiting studies and saturated output of continuous wave laser in Fluorescein solution

Authors : Aqeel Lafta Mghames, Hussain Ali Badran, Hussain Falih Hussain

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Optical limiting performances in Fluorescein with different concentration of 2, 4, 6 and 8 mM are investigated by using 473 nm continuous wave (cw) laser. The optical limiting behavior is investigated via transmission measurement through the sample at different concentrations. The investigation shows that the optical limiting capability is concentration dependent. The results showed that the sample has obvious optical limiting effect. 8 mM concentration has the best limiting effect among the four concentrations chosen. It is also found that the threshold value of optical limiting is affected by sample absorption coefficient. The Fluorescein exhibits good optical limiting properties in solution.

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15

Title : Sulpher Black Dyeing of Raw White Stretch Denim Fabrics Using Continuous Mercerizing Machine

Authors : Md. Kaiser Haider, Zakaria Ahmed, F.A. Dilruba, Shamina Jafrin, Musfiqur Rahman

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A new method of dyeing raw white stretch denim fabrics using continuous mercerizing range was developed. An un-pretreated raw white denim fabric of 8.25 oz/yd2 weight having construction of (10s OE+12s Ring Slub+12s OE) ×150L70D/75×60 was selected as experimental fabric. The fabric was firstly mercerized at 20 Baume caustic soda concentrations and then dyed in 4 dip 4 nip sulpher black dye bath of 2.5 g/l concentration with a redox value/ milivolt value of –(700-710) followed by 2 step washing, neutralization and steam drying continuously. Color fastness to wash of the dyed fabric was found grade 4.5 and cross-staining grade to acetate, cotton, nylon, polyester, acrylic and wool was 4.5.Dry rubbing and wet rubbing grade in both warp and weft direction was found 3.4 and 2.3 respectively. Tensile strength in warp and weft was found 84.7 kg and 44.2 kg respectively. Length and width shrinkage was 3% and 14.5% respectively with a skew displacement of 2%.The method is a novel approach, rapid, innovative and time saving as well.

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16

Title : Coalescence of Bubbles Generated from Single Nozzle in Stagnant Water

Authors : Rajendra Shrestha

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Different conditions and phenomena for the coalescence of bubbles generated from single nozzle in pool water were studied and compared with the prior analysis. Research was done for the bubbles ranging 0.100 to 2.700 mm bubble diameter. It was found that the coalescence and non-coalescence processes of the bubbles depend upon size of the bubbles and bubble to bubble distances. For small bubbles 0.100 to 0.500 mm bubble diameter, the coalescence occurred for larger bubble distance and bubble diameter ratio than the coalescence between larger bubbles 0.500 to 2.700 mm bubble diameter. There were always a vertical and horizontal velocities of the bubbles rising in the water pool.  The vertical velocity of the upper coalescing pair became always slower and the velocity of the lower coalescing pair was higher than the non-coalescing bubbles of the same condition. The smaller horizontal displacement was favorable for the occurrence of the coalescence of the bubbles. The wakes of the bubbles influenced during the coalescence between the bubbles pairs. According to the horizontal displacement, bubble flow patterns were divided into TYPE I and TYPE II. In the TYPE I coalescence of the bubbles occurred in the line but in the TYPE II coalescence of the bubbles occurred after this line. When comparing the experimentally obtained vertical velocities of bubbles with the prior theories, the bubbles in the range 0.500 to 2.100 mm had higher velocities than the theoretically predicted. The higher velocities of these bubbles were found to be due to the larger horizontal fluctuations.

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Title : An overview of Cyber Security on several remote areas- A case study based upon the preliminary stage

Authors : Syed Jamaluddin Ahmad, Dr. Jebunnahar, Roksana Khandoker, Farzana Nawrin

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The problems that confront today’s leaders are substantial and diverse: how to protect a nation’s most critical infrastructure from cyber attack; how to organize, train, and equip a military force to prevail in the event of future conflict in cyberspace; how to deter nation-state and terrorist adversaries from conducting attacks in cyberspace; how to control escalation in the event of a conflict in cyberspace; and how to leverage legal and policy instruments to reduce the national attack surface without stifling innovation.  These are just a sample of the motivating questions that drive our work.

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Title : Conceptual Design of Small Unmanned Mobile Carrying Marine Floating Body

Authors : Yunping Xie, Liangdong Qi , Tao Zhang, Weigang Xie, Yunsiya Zhou

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Based on the common marine buoy for non dynamic positioning, long-term fixed in a marine environment by way of offshore mooring, monitoring range is greatly reduced and the buoy role has not fully played out. in order to compensate for the limitations of fixed mooring buoy brings, a concept of mobile small carrying marine floating body is presented. This paper starts with the unmanned floating body frame system and the design of floating body is established as a rotary body and the motion response, stability and static water resistance of three typical revolving bodies are compared and analyzed. The optimum rotation parameters are combined with different scale parameters. Moreover, the main equipment parts are selected. The static water resistance and stability of different schemes are further analyzed. Finally, a preliminary scheme for small unmanned mobile carrying marine floating body is innovatively determined.

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Title : Assessment of Depression Impact on Runoff Characteristics Using GIS Technique

Authors : Morad Abdelsalheen, Ashraf M. Elmoustafa, Ahmed A. A. Hassan

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Depression is a storage volume that could be filled prior to runoff. It might be used as a rectification parameter to adjust runoff volumes and peak discharges. GIS tools are used to extract depressions and calculate their characteristics (volume – area) and to pick the corresponding catchments and estimate their characteristics from DEM. In this work, HEC-HMS is used as a step to calculate runoff using three approaches to assess the impact of presence of depressions on runoff from three points of view; outlet location, runoff volume and peak discharge downstream the depression. First approach neglects the presence of depression. Second approach accounts depression in study but assuming one outlet with width equal to one cell size and lastly the third approach is as same as second approach but multi outlets are used with different widths and levels. The last approach gives more realistic value for runoff volume and peak discharge as it accounts volume of water stored in depression and represents the outflow from depression in an accurate way.

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Title : Research on Rolling Motion Mode of a Catamaran unmanned craft with Monitoring Function

Authors : Yu Yongqiang, Yang Songlin, Li Yang, Liu Man, Tan Xiaoping

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In this paper, a watershed monitoring catamaran unmanned craft was taken as the research object, and a series of roll free attenuation tests was carried out with different drafts and different inception tilt angles of the craft, and a series of roll angular velocity curves was obtained. A mathematical model of 4 kinds of roll motion was established respectively, based on system identification theory and various modern optimization algorithms, calculation software was designed and compiled. By comparing the calculation results of the four mathematical models under different draft, the most suitable mathematical model was determined. According to the roll data of one of typical angles, the influence of the craft draft on the hydrodynamic derivative and the recovery torque coefficient was discussed. The identification results of the nonlinear motion pattern of the unmanned dual body monitoring craft were analyzed.

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