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Increasing the Efficiency of an Engine by the use of Variable Geometry Turbochargers

Srinivasan.C, M.S.Sayooj

The automobile of today is the result of the accumulation of many years of pioneering research and development. The purpose behind this study of variable geometry turbocharger is to overcome the fundamental drawback of the internal combustion engine, its volumetric efficiency limit. Here, The VGT with no wastegate uses the exhaust energy to drive the turbine, which inturn drives the compressor to increase the volumetric efficiency and simultaneously increasing the expansion ratio, power output, Output Torque and to get the increased results on an IC Engine. This additional power, the alternate power must be much more convenient in availability and usage.