A numerical study of the effects of swirl chamber passage hole geometry on the flow characteristics of a swirl chamber type diesel engine-Reference-Cited by-同舟云学术

A numerical study of the effects of swirl chamber passage hole geometry on the flow characteristics of a swirl chamber type diesel engine

Published:2006-04-01 Issue:4 Volume:220 Page:459-470
ISSN:0954-4070
Container-title:Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering

Author:

Choi Gyeung Ho¹,Kim Sung Hoon¹,Kwon Tae Yun²,Yun Ju Hee²,Chung Yon Jong³,Ha Chang Uk⁴,Lee Jong Soon⁴,Han Sung Bin⁵

Affiliation:

1. Department of Mechanical and Automotive Engineering, Keimyung University, Daegu, Republic of Korea

2. Graduate School of Automotive Engineering, Keimyung University, Daegu, Republic of Korea

3. Department of Automotive Engineering, Daegu Mirae College, Daegu, Republic of Korea

4. R&D Center, Daedong Industrial Company Ltd, Changnyung-Kun, Republic of Korea

5. Department of Mechanical Engineering, Induk Institute of Technology, Seoul, Republic of Korea

Abstract

This research simulates the in-cylinder flow of a swirl chamber type diesel engine using a computational fluid dynamics (CFD) code and reveals the generation and distortion of swirling, tumbling vortices and their influence on turbulence kinetic energy depending on the shape, angle, and area of the jet passage. The CFD code was applied to the intake and compression processes. Results show that flow characteristics were affected by inflow velocity, which depends on the change in the jet passage shape. The swirl ratio was increased as a result of a decrease in the jet passage area. Turbulence kinetic energy was generated by mixing effects of the swirling and tumbling vortices.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Aerospace Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1243/09544070D18804

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