Measurement of Instantaneous Gas Temperatures for Determination of the Exhaust Gas Energy of a Supercharged Diesel Engine 670929

To calculate the true exhaust gas energy of a high-pressure turbocharged diesel engine, the pressures and the instantaneous temperatures were measured in the exhaust gas pipe of a test engine. The results and the problems encountered during measuring are described, and simple approximation equations for the instantaneous temperature are compared with the measured temperatures. Energy calculations carried out with these temperature functions have shown that the deviations from the true values are only slight.


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