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Application of CFD Methodology to Reduce the Pressure Drop and Water Entry in the Air Intake System of Turbocharged Engine
Technical Paper
2008-01-1172
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
When an automobile negotiates a flooded region, water is splashed due to the rotational motion of the wheels. This water enters the air intake system of the turbocharged intercooled engine along with air and can pass through the turbocharger, intercooler and enter the engine. As water is an incompressible fluid, the piston cannot compress water inside the cylinder which leads to connecting rod bending and severe engine damage. This paper explains how the same has been resolved using CFD methodology and proposes the re-designed model of mud cover as a solution to this problem. 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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Joshi, S., Mathews, V., Nandgaonkar, M., Kajale, S. et al., "Application of CFD Methodology to Reduce the Pressure Drop and Water Entry in the Air Intake System of Turbocharged Engine," SAE Technical Paper 2008-01-1172, 2008, https://doi.org/10.4271/2008-01-1172.Also In
References
- Devi Ravindra GE Global Research Saxena Priyank 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
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- 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
- Paffrath Holger Alex Matthias Filterwerk Mann & Hummel GmbH “Technology for Future Air Intake Systems” International Congress & Exposition March 1999 SAE Paper 1999-01-0266
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