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International Journal of Engineering and Advanced Research Technology

Volume 2 Issue 9 (September 2016)

S.No. Title & Authors Page No View
1

Title : Structural Properties of Curcumin Molecule Using Density Functional Theory

Authors : Hayder M. Abduljalil, Hussein A. Madlool

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Abstract :

The structural properties of curcumin (1,7-bis(4-hydroxy-3 methoxyphenyl)-1,6-heptadiene-3,5-dione) was studied with the density functional theory DFT correlation functional B3LYP method using various basis sets. The geometrical parameters which are studied in this research include the bond lengths and the bond angles, for the curcumin molecule in both ketone and enol form. These parameters calculated with the different basis sets. These basis sets are given similar results approximately so as a small molecule, except the experimental basis set (STO-3G). The results showed that the double bonds are shorter than the single bonds; this is due to increase in negative charge density. As well, the presence an oxygen atom, which has two bonds and two lone pairs, leads to reduce size of the bond angles. Also from the results it can be found the structure approximately planer for the enol form, but it is non-planer for the ketone form.

1-3
2

Title : Comparison of Static and Dynamic Analysis of Crank Shaft Made of EN9 with other Materials

Authors : S.V.Aparna, P.Santhosh Kumar

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Abstract :

Crankshaft experiences a complex loading due to the motion of the connecting rod, which transforms two sources of loading to the crankshaft. In this paper, static & dynamic analysis was done at various speeds to study the stress concentrations at critical locations of crankshaft. The main objective here is calculating natural frequency and resonance of the object and selection of the best materials for crankshaft. These improvements result in lighter and smaller engines with better fuel efficiency and higher power output. Crankshaft must be strong enough to take the downward force of the power stroke without excessive bending.

4-7
3

Title : Characterization of Glass Fibre Polymer Laminates by Vacuum Assisted Resin Transfer Moulding with Various Parameters

Authors : M. Manasa Priyadarsini, Aerra Kiran Kumar, D. Madhav Reddy, Dr.D.V.Ravi Shankar

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Abstract :

Resin transfer molding (R.T.M) is a competent manufacturing process for fiber reinforced polymer composite component production. As this process offers repeatable quality which is essential in production of high quality components for automotive and aerospace applications.   The permeability of preform influences the resin impregnation.  The present work investigates the influence of the critical parameters on the quality of end product. This paper publishes the experimental results and also discusses the relationship between the preform permeability, porosity, fiber volume fraction, and injection pressures of the resin in the control volume moulding processes.

8-12
4

Title : The Designation and Simulation of a New Type of Electromagnetic-Clutch-By-Wire

Authors : Yunchao Yin, Chen Qi, Jinyu Qu

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Abstract :

This paper presents a new type of electromagnetic-clutch-by-wire(ECBW).The ECBW’s construction parameters are designed basing on the working character and working principal of the ECBW. The most important part in the designation of electromagnetic-clutch is the calculation of electromagnetic force. This paper introduces the electromagnetic force calculation method of the DC solenoid electromagnet, and establishes electromagnetic-clutch’s simulation models of the relationship among the current, magnetic flux density and electromagnetic force. The simulation result shows that the electromagnetic force satisfied the requirement of automatic transmission.

13-17
5

Title : Analysis of Gas Turbine Blade with Number of Holes for Cooling

Authors : Ch. Indira Priyadarsini, T. Aasish Kashyap, K. Akshay Kumar, M. Dinesh Reddy, S.Vamshi Krishna

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Abstract :

The aim of the paper is to evaluate the need in the gas turbine industry for a systematic validated computational methodology for heat transfer problem to give the optimum cooling. Various techniques have been proposed for the cooling of blades and one such technique is to have axial holes along the blade span. Cooling of blades has been a major concern since they are in a high temperature environment. In a high temperature gas turbine, turbine blade cooling designs require key technologies. Computational fluid dynamic (CFD) is used to analyze  flow performance due to changing the material properties of like Nickel-Chromium alloy and Titanium-Aluminum Alloy. Three different models with different number of holes (6,8,12) were  analyzed in this paper to find out the optimum number of holes for good  cooling rate. In computational fluid dynamic (CFD),flow analysis is carried out. Graphs are plotted for velocity, pressure and temperature distribution for existing design. 3D model of the blade is shown. When the numbers of holes are increased in the blade, the temperature distribution falls down. Our calculations were compared adequately well with published experimental data as well as our own fundamental test data. Attention is focused on the accuracy using commercially available numerical methods, computational fluid dynamic (CFD) for fluid flow, temperature distribution for number of holes are  analyzed. 

18-22