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Application of CFD Methodology to Air Intake System of CRDI Engine
Technical Paper
2007-01-3699
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The amount of air sucked by an I.C. engine is one of the main factors in defining the combustion efficiency, power output and volumetric efficiency. This paper discusses various geometries of the air filter and pipes to reduce the pressure losses in the air intake system of a Common Rail Direct Injection (CRDI) engine using Computational Fluid Dynamics (CFD) methodology and how integration of various available softwares can be applied to design the air intake system of CRDI engine. Reduction in the pressure losses allows more air to enter inside the engine for the same amount of compressor work. It results in better volumetric efficiency. The entire process has been streamlined and major time and cost reduction achieved by using simulation for optimization. The simulated results have been validated by extensive trials for correlation and outdoor tests for durability. Same analysis technique is used as a template to modify the air intake system.
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Authors
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Citation
Joshi, S., Mathews, V., Nandgaonkar, M., Kajale, S. et al., "Application of CFD Methodology to Air Intake System of CRDI Engine," SAE Technical Paper 2007-01-3699, 2007, https://doi.org/10.4271/2007-01-3699.Also In
References
- Devi Ravindra GE Global Research, Priyank Saxena University of California San Diego “Pressure Reduction in Intake System of a Turbocharged Intercooled DI Diesel Engine using CFD Methodology” SAE Paper 2004-01-1874 2004
- Nagarajan G. Roy Chowdhury D.G. Hindustan College of Engineering Padur, India “CFD Analysis of Air Filters for an Off-Highway Vehicle”, ARAI, Pune, India” SAE Paper 2007-26-048 2007
- Watanabe Norihiko Nakanishi Junichi Software Cradle Co., Ltd. “The Cfd Application for Efficient Designing in the Automotive Engineering” SAE 2003 World Congress & Exhibition March 2003 SAE Paper 2003-01-1335 2003
- Fan Qinyin Software Cradle Co., Ltd. “CFD Simulation of Pressure Drop in line pipe.” SAE 2006 World Congress & Exhibition April 2006 SAE Paper 2006-01-1443 2006
- Okumura Kenji Daihatsu Motor Co. Ltd. “CFD Simulation by Automatically Generated Tetrahedral and Prismatic Cells for Engine Intake Duct and Coolant Flow in Three Days” SAE Paper 2000-01-0294 2000
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