The flow and turbulence in an IC engine cylinder were studied using the SSG variant of the Reynolds stress turbulence closure model. In-cylinder turbulence is characterized by strong turbulence anisotropy and flow rotation, which aid in air-fuel mixing. It is argued that solving the differential transport equations for each turbulent stress tensor component, as implied by second-moment closures, can better reproduce stress anisotropy and effects of rotation, than with eddy-viscosity models. Therefore, a Reynolds stress model that can meet the demands of in-cylinder flows was incorporated into an engine flow solver. The solver and SSG turbulence model were first successfully tested with two different validation cases. Finally, simulations were applied to IC-engine like geometries. The results showed that the Reynolds stress model predicted additional flow structures and yielded less diffusive profiles than those predicted by an eddy-viscosity model. [S0742-4795(00)00101-0]
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April 2000
Technical Papers
Second-Moment Closure Model for IC Engine Flow Simulation Using Kiva Code1
S. L. Yang,
S. L. Yang
Mechanical Engineering-Engineering Mechanics Department, Michigan Technological University, Houghton, MI 49931
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B. D. Peschke,
B. D. Peschke
Mechanical Engineering-Engineering Mechanics Department, Michigan Technological University, Houghton, MI 49931
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K. Hanjalic
K. Hanjalic
Faculty of Applied Science, Department of Applied Physics, Thermofluids Section, Delft University of Technology, The Netherlands
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S. L. Yang
Mechanical Engineering-Engineering Mechanics Department, Michigan Technological University, Houghton, MI 49931
B. D. Peschke
Mechanical Engineering-Engineering Mechanics Department, Michigan Technological University, Houghton, MI 49931
K. Hanjalic
Faculty of Applied Science, Department of Applied Physics, Thermofluids Section, Delft University of Technology, The Netherlands
Contributed by the Internal Combustion Engine Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received by the Internal Combustion Engine Division June 1, 1999; final revision received by the ASME Headquarters August 31, 1999. Technical Editor: D. Assanis.
J. Eng. Gas Turbines Power. Apr 2000, 122(2): 355-363 (9 pages)
Published Online: August 31, 1999
Article history
Received:
June 1, 1999
Revised:
August 31, 1999
Citation
Yang , S. L., Peschke, B. D., and Hanjalic, K. (August 31, 1999). "Second-Moment Closure Model for IC Engine Flow Simulation Using Kiva Code." ASME. J. Eng. Gas Turbines Power. April 2000; 122(2): 355–363. https://doi.org/10.1115/1.483213
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