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Experimental study on the heat flux and heat transfer coefficient in a spark ignition engine
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 Title & Authors
Experimental study on the heat flux and heat transfer coefficient in a spark ignition engine
Han, Seong-Bin; Gwon, Yeong-Jik; Lee, Jeong-Yeol;
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 Abstract
In order to design and develop a spark ignition engine, many studies must be preceded about the characteristics of thermal flow. For measurement of transient wall temperature thin film thermocouples of Bendersky type were manufactured and these probes were fixed into the wall of combustion chamber. Surface wall temperatures were measured in experiments of various engine speeds. Transient heat fluxes were calculated from the wall temperature measurements. Pressure was measured from combustion chamber using pressure transducer and gas temperatures were calculated using the state equation of ideal gas. And instantaneous heat transfer coefficients were obtained. It will be the basic data for the formulae of instantaneous heat transfer coefficients.
 Keywords
Instantaneous Temperature;Surface Temperature;Gas Temperature;Heat Flux;Heat Transfer Coefficient;
 Language
Korean
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