Abstract
The in-cylinder convective heat transfer from the combustion gas to the cylinder wall of the combustion chamber has a strong effect on the diesel engine performances. This study contribute to the knowing in this area for the event of the convective heat transfer from fluid to the cylinder wall of a turbocharged diesel engine with six-cylinder direct injection operating under steady-state conditions. An optimized choice of correlation was applied for the evaluation of heat transfer coefficient, which is the Hohenberg's correlation. We developed a computer program for simulating the operation of a six-cylinder direct injection turbocharged diesel engine, and using a commercial GT-Power software to validate the simulation results. The influence of certain engine parameters (thermodynamic and geometric) on the convective heat flux and its maximum value are studied in the present paper. The results show that the convective heat transfer characteristics as a function of crank angle of the six cylinder turbocharged diesel engine strongly depend on the engine injection timing, the cylinder wall temperature and load for the both softwares; FORTRAN and GT-Power. DOI: http://dx.doi.org/10.5755/j01.mech.23.4.14898
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