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Alavudeen A.,Kalasalingam University | Venkateshwaran N.,Anna University | Athijayamani A.,ACCET
Reviews on Advanced Materials Science | Year: 2011

This paper reviews the research works carried out in the field of natural fiber woven composites with special reference to weave pattern, chemical modification and the theory behind it. © 2011 Advanced Study Center Co. Ltd.


Sarala R.,A.C.C.E.T | Rajendran M.,Government College of Technology, Coimbatore | Devadasan S.R.,PSG College of Technology
ARPN Journal of Engineering and Applied Sciences | Year: 2012

There is an increasing interest in many countries to search for suitable alternative fuels that are environment friendly. Although straight vegetable oils can be used in diesel engines, their high viscosities, low volatilities and poor cold flow properties have led to the investigation of various derivatives. Biodiesel is a fatty acid alkyl ester, which can be derived from any vegetable oil by transesterification. Biodiesel is a renewable, biodegradable and non-toxic fuel. In this study, Brassica oil (Brassica juncea seed oil) was transesterified with methanol using sodium hydroxide as catalyst to obtain brassica oil methyl ester (BOME). This biodiesel was tested in a single cylinder 4 stroke diesel engine (Kirloskar) to evaluate the performance characteristics. © 2006-2012 Asian Research Publishing Network (ARPN).


In this paper, the grey-based Taguchi method was used to optimize the fabrication parameters with mechanical properties (multiple performance characteristics) in roselle fiber with (5 % wt) Coconut shell powder (CSP) reinforced vinyl ester (RFRVE) composites. Composite plates were prepared based on the Taguchi’s L27 orthogonal array using hand lay-up technique at room temperature. Fabrication parameters namely fiber length, fiber content, and fiber diameters were optimized based on the grey relational grade (GRG) as performance index obtained from the grey relational analysis to get the maximum level of multiple performance characteristics such as the tensile strength, the flexural strength, and the impact strength. The results show that the fiber content is the most significant fabrication parameter which greatly affects the mechanical properties of RFRVE composite compared to the fiber length and the fiber diameter. It was proved that the multiple performance characteristics of the plant based natural fiber and particle reinforced polymer composites can be effectively improved by this method. © 2015, Central Institute of Plastics Engineering & Technology.


Athijayamani A.,A.C.C.E.T
Australian Journal of Mechanical Engineering | Year: 2015

In this paper, the grey-based Taguchi method was used to optimize the fabrication parameters with mechanical properties multiple performance characteristics (MPC) in sisal fibre-reinforced vinyl ester (SFRVE) composites. Composite plates were prepared based on the Taguchi’s L27 orthogonal array using hand lay-up technique at room temperature. Fabrication parameters, namely fibre length, fibre content and fibre diameters were optimized based on the grey relational grade as performance index obtained from the grey relational analysis to get the maximum level of MPC such as the tensile strength, the flexural strength and the impact strength. The results show that the fibre content is the most significant fabrication parameter which greatly affects the mechanical properties of SFRVE composite compared to the fibre length and the fibre diameter. It was proved that the MPC of the plant-based natural fibre-reinforced polymer composites can be effectively improved by this method. © 2015 Engineers Australia


Jamuna R.,Salem College | Natarajan U.,ACCET
Applied Mechanics and Materials | Year: 2014

Latest trend in increasing the performance characteristics of precision machines is reducing error in machines. Today research is focused on Machine tool accuracy. The effect of thermal error contributes to major part of 70% of volumetric error. The present study aims to establish a new compensation method for CNC Turning centre. Selection of proper temperature variables is a great task in thermal error compensation. In this paper 3 thermal process variables namely spindle speed; temperature and time are used to create thermal error models. Using ANSYS simulation experiments are created. © (2014) Trans Tech Publications, Switzerland.


Umanath R.,ACCET | Raja A.S.,Alagappa Chettiar College of Engineering And Technology
2013 International Conference on Information Communication and Embedded Systems, ICICES 2013 | Year: 2013

A complete simulation of the transmission performance for Holographic ROADM (Reconfigurable Optical Add-Drop Multiplexer) designs is Presented in this paper. These devices can address several wavelengths from the input to different output fibers, according to the holograms stored in a SLM (Spatial Light Modulator), where all the output sare equalized in power. All combinations of the input wavelengths are possible at the different output fibers. To simulate the transmission Performance of the EH-ROADM,a software program, from Optiwave, has been used. © 2013 IEEE.


Gopi N.,ACCET | Muthumani I.,Alagappa Chettiar College of Engineering And Technology | Sivanantha Raja A.,Alagappa Chettiar College of Engineering And Technology | Selvendran S.,Alagappa Chettiar College of Engineering And Technology
2013 International Conference on Information Communication and Embedded Systems, ICICES 2013 | Year: 2013

We have developed Parametric tunable dispersion compensator P-TDC for dispersion compensation of WDM signals with polarization insensitivity. The dispersion compensation is based upon the parametric processes in the highly non linear fibers (HNLF). This developed P-TDC compensates the dispersion of WDM signals irrespective of their state of polarization and at the same time, frequency is also preserved. We have demonstrated this dispersion compensator for the transmission of NRZ-OOK signals over 126km of DSF fiber and we have obtained the Q-factor in the range of 7.5. © 2013 IEEE.


Mohanraj A.P.,SASTRA University | Elango A.,ACCET | Reddy M.C.,SASTRA University
Scientific World Journal | Year: 2016

Omnidirectional robots can move in all directions without steering their wheels and it can rotate clockwise and counterclockwise with reference to their axis. In this paper, we focused only on front and back movement, to analyse the square- and triangle-structured omnidirectional robot movements. An omnidirectional mobile robot shows different performances with the different number of wheels and the omnidirectional mobile robot's chassis design. Research is going on in this field to improve the accurate movement capability of omnidirectional mobile robots. This paper presents a design of a unique device of Angle Variable Chassis (AVC) for linear movement analysis of a three-wheeled omnidirectional mobile robot (TWOMR), at various angles (θ) between the wheels. Basic mobility algorithm is developed by varying the angles between the two selected omnidirectional wheels in TWOMR. The experiment is carried out by varying the angles (θ = 30°, 45°, 60°, 90°, and 120°) between the two selected omniwheels and analysing the movement of TWOMR in forward direction and reverse direction on a smooth cement surface. Respectively, it is compared to itself for various angles (θ), to get its advantages and weaknesses. The conclusion of the paper provides effective movement of TWOMR at a particular angle (θ) and also the application of TWOMR in different situations. © 2016 A. P. Mohanraj et al.


Susitha T.C.,ACCET | Ezhilpriya M.,ACCET
International Journal of Earth Sciences and Engineering | Year: 2015

“Energy is a single greatest challenge facing humanity” by Nobel Laureate Richard Smalley. Use of fossil fuels can trigger global energy crisis and increased global warming hence there is considerable interest in research fraternity on green energy production. According to recent survey by UNEP more than 1 billion of world population does not have access to constant source of electricity. Renewable and clean forms of energy are one of the society‟s greatest needs. We lack adequate sanitation and economic means to afford for it. Microbial Fuel Cell help in working to address the needs. MFC work on the complex organic matters and they convert this chemical energy into the electrical energy by the catalytic action of the microorganism. Electrons produced by the metabolism of microorganism are utilized for the generation of electricity and the setup must be operated at or near about ambient temperature and nearly neutral solution. This study is to demonstrate the bio-energy generation from the complex pollutant aniline which is prepared synthetically from the laboratory by using the specific bacteria Pseudomonas aeruginosa [MTCC 8076]. Optimization of process parameters such as electrode selection, biofilm formation, electrolyte concentration variation were carried out. Open circuit voltage and current was measured for a period of 21 days. For the best optimization results the maximum open circuit voltage obtained was 1.07 V and current of 0.6 mA. © 2015 CAFET-INNOVA TECHNICAL SOCIETY. All rights reserved.


Thirumaran S.,ACCET | Sivanantharaja A.,ACCET
AIP Conference Proceedings | Year: 2011

Chromatic Dispersion is one of the major (Linear) effect in Optic transmission System. Dispersion causes broadening of transmitted pulses that leads to Inter Symbol Interference (ISI). In this paper, analysis of phase conjugation in compensating dispersion in an optical transmission system with 10 Gb/s as bit rate and for a distance of over 50,000 kms. The required number and fashion of OPC to be used for effective dispersion compensation were analysed in DWDM systems. Simulation results were obtained using OPTSIM software from Rsoft. © 2011 American Institute of Physics.

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