A comparative study of turbulent velocity fields in an internal combustion engine with shrouded valve and flat/bowl piston configurations-Reference-Cited by-同舟云学术

A comparative study of turbulent velocity fields in an internal combustion engine with shrouded valve and flat/bowl piston configurations

Published:2007-12-01 Issue:12 Volume:221 Page:1597-1607
ISSN:0954-4062
Container-title:Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science

Author:

Erdil A¹,Kodal A²

Affiliation:

1. Mechatronics Engineering Department, Kocaeli University, Izmit, Turkey

2. Aeronautical Engineering Department, Istanbul Technical University, Istanbul, Turkey

Abstract

In the current study, the phase averaging and the proper orthogonal decomposition (POD) methods are used to decompose experimentally measured turbulent velocity fields in an internal combustion engine. Radial and circumferential turbulent velocity fields were measured using hot wire anemometer under motoring conditions for both flat and bowl piston configurations. Decomposed results of the phase average and POD methods are compared with each other. The effects of piston configuration on the engine performance have been discussed. Also, obtained organized and turbulence motions and their energy spectra are examined. Finally, coherent structures of velocity fields and their activities are investigated.

Publisher

SAGE Publications

Subject

Mechanical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1243/09544062JMES762

Reference22 articles.

1. The effect of intake valve alignment on swirl generation in a DI diesel engine

2. Modeling of heat conduction within chamber walls for multidimensional internal combustion engine simulations

3. The influence of turbulent flows on the natural gas combustion process as seen through discrete wavelet transforms

4. Velocity measurement inside a motored internal combustion engine using three-component laser Doppler anemometry

5. In-cylinder cold flow simulation using a finite element method

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