Author:Â Bharath M N
Abstract:Â The hot gases which generate from combustion of fuel passes1through the exhaust system of the automobile as they form the passage for the hot gases and released to the atmosphere, Hence they are subjected to2very high temperature. Exhaust system of an automobile consist of three parts such as exhaust manifold, catalytic converter and silencer out of those silencer having very short life span as there is lot of restriction provided to the flow of hot gases due to complex geometry in order to reduce the noise level hence gases staying more time in this section as compare to other two part of exhaust system. Hence that area needs to be focused during design phase. The uniform heat distribution over the entire exhaust system is important for ensuing enhanced1life of elements in the2sub-system. This problem is important to identify and to assess the uniform heat flow along the passage of hot gases and design the passage or2passage surface to minimize the harmful effects of hot-spots over the length of the silencer, especially at the outer body of silencer.
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