The CFD simulation results above should be verified by experiment. Automotive exhaust TEG experimental system
( Fig. 6) consists of a four-cylinder engine, a dynamometer and a whole exhaust system. Taking the working performance of the TEG into consideration, it is reasonable to install the heat exchanger af ter the catalytic converter. The exhaust heat is used as the hot source and an independent circulating coolant system as the cold source. Apart from the k-type
thermocouples, infrared thermal imaging system is used to image the surface temperature distribution on the heat
exchangers with different internal structures and varied surface areas. During the bench test, the external surface of the heat exchanger is clean, smooth and exposed to the ambient. The experiment conditions including the ambient temperature, atmospheric humidity, etc. are kept the same. The engine's speed is maintained at around 3350 rpm and the output power is remained unchanged.
The CFD simulation results above should be verified by experiment. Automotive exhaust TEG experimental system
( Fig. 6) consists of a four-cylinder engine, a dynamometer and a whole exhaust system. Taking the working performance of the TEG into consideration, it is reasonable to install the heat exchanger af ter the catalytic converter. The exhaust heat is used as the hot source and an independent circulating coolant system as the cold source. Apart from the k-type
thermocouples, infrared thermal imaging system is used to image the surface temperature distribution on the heat
exchangers with different internal structures and varied surface areas. During the bench test, the external surface of the heat exchanger is clean, smooth and exposed to the ambient. The experiment conditions including the ambient temperature, atmospheric humidity, etc. are kept the same. The engine's speed is maintained at around 3350 rpm and the output power is remained unchanged.
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