Heat Transfer to the Combustion Chamber and Port Walls of IC Engines - Measurement and Prediction

Andreas Wimmer; Robert Pivec; Theodor Sams

doi:10.4271/2000-01-0568

2000-03-06

Heat Transfer to the Combustion Chamber and Port Walls of IC Engines - Measurement and Prediction 2000-01-0568

This paper summarizes the results of several investigations on in-cylinder heat transfer during high-pressure and gas exchange phases as well as heat transfer in the inlet and outlet ports for a number of different engine types (DI Diesel, SI and gaseous fueled engine). The paper contains a comparision of simulation results and experimental data derived from heat flux measurements. Numerical results were obtained from zero-, one- and three-dimensional simulation methods. Time and spatially resolved heat fluxes were measured applying the surface temperature method and special heat flux sensors. The paper also includes an assessment of different sensor types with respect to accuracy and applicability.

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Heat Transfer to the Combustion Chamber and Port Walls of IC Engines - Measurement and Prediction 2000-01-0568

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