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Experimental Instantaneous Heat Fluxes in a Diesel Engine and Their Correlation
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Sector:
Event:
Mid-Year Meeting
Language:
English
Abstract
By the use of surface thermocouples to measure instantaneous temperatures, the instantaneous heat fluxes are calculated at several positions on the cylinder head and sleeve of a direct injection diesel engine for both motored and fired operation. Existing correlations are shown to be unable to predict these data.
An analysis of convective heat transfer in the engine leads to a boundary layer model which adequately correlates the data for motored operation. The extension of this motored correlation to fired operation demonstrates the need for instantaneous local gas velocity and temperature data.
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Citation
LeFeuvre, T., Myers, P., and Uyehara, O., "Experimental Instantaneous Heat Fluxes in a Diesel Engine and Their Correlation," SAE Technical Paper 690464, 1969, https://doi.org/10.4271/690464.Also In
References
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