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Research Paper | Automobiles | India | Volume 7 Issue 3, March 2018
Engine Downsizing and Reduction in Exhaust Gas Velocity in Turbine with Dual Boost Turbocharger
Rohit Soni | Roopesh Tiwari | Suman Sharma 
Abstract: Turbochargers are used to boost the engine power and torque with its pressure increasing capacity. The objective of this research work is to downsize the engine with same power and torque. The modification has made on compressor and on turbine impeller of turbocharger. Here dual compressor is used, in which there are two impellers. The faces of impellers are opposite to each other. Face direction of first impeller is towards the turbine while direction of second impeller is opposite to it. Both impellers are attached with each other. These dual impellers are used for dual compression of fresh air which increases pressure developed inside the turbo. Another view of this work is to reduce the exhaust gas velocity for turbine which is possible with change in turbine design. Radial flow turbine works on impulse force while axial works on reaction force. In radial turbine exhaust gas directly hits the turbine blades while in axial flow turbine exhaust forces full periphery of turbine. Hence axial turbine needs less force and less exhaust gas velocity to rotate. CATIA software is used for designing while ANSYS CFD is used for flow analysis.
Keywords: Impeller, Compressor, Turbine, CATIA, ANSYS CFD
Edition: Volume 7 Issue 3, March 2018,
Pages: 72 - 77
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