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Numerical Modeling of the Coupled Convective Heat Transfer in the Cylinder Block and the Water Jacket of Engine

[+] Author Affiliations
Longjian Li, Wenzhi Cui

Chongqing University

Tien-Chien Jen, Qinghua Chen

University of Wisconsin at Milwaukee

Paper No. IMECE2005-82466, pp. 259-264; 6 pages
doi:10.1115/IMECE2005-82466
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Heat Transfer, Part A
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 0-7918-4221-5 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

In this paper the physical and corresponding mathematical models of the 3D coupled heat conduction-convective heat transfer in a cylinder and its water jacket of the automobile engine were proposed. The standard k-ε turbulence model was employed to simulate the turbulent flow in the water jacket. The empirical correlations on the in-cylinder heat transfer in conjunction with the tested combustion data were used to calculate the thermal boundary conditions of the inner wall of the cylinder. The control-volume based finite element method was used to solve the 3D coupled heat conduction-convective heat transfer problem mentioned above. The computations were carried out under different engine speed from 1500rpm to 6000rpm, and the temperature distributions in the cylinder and its water jacket were revealed in detail. The relative errors between the tested temperatures at the fixed points and the corresponding ones were within the range form −12% to 4%.

Copyright © 2005 by ASME

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