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CFD ANALYSIS OF EXHAUST MANIFOLD OF MULTI-CYLINDER SI ENGINE TO DETERMINE OPTIMAL GEOMETRY FOR REDUCING EMISSIONS

机译:确定多缸SI发动机排气歧管的CFD分析以确定最佳几何形状

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摘要

Exhaust manifold is one of the most critical components of an IC Engine. The designing of exhaust manifold is a complex procedure and is dependent on many parameters viz. back pressure, exhaust velocity, mechanical efficiency etc. Preference for any of this parameter varies as per designers needs. Usually fuel economy, emissions and power requirement are three different streams or thought regarding exhaust manifold design. This work comprehensively analyzes eight different models of exhaust manifold and concludes the best possible design for least emissions and complete combustion of fuel to ensure least pollution.
机译:排气歧管是内燃机的最关键组成部分之一。排气歧管的设计是一个复杂的过程,并且取决于许多参数。背压,排气速度,机械效率等。根据设计人员的需求,此参数的偏好会有所不同。通常,燃油经济性,排放和功率要求是三种不同的考虑因素或有关排气歧管设计的想法。这项工作全面分析了八种不同的排气歧管模型,并得出了最佳的设计方案,以实现排放量最少和燃料完全燃烧以确保污染最小。

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