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Method for determining discharge temperature of compressor of turbocharger of e.g. petrol engine in passenger car, involves determining efficiency of compressor, and determining discharge temperature of compressor
Method for determining discharge temperature of compressor of turbocharger of e.g. petrol engine in passenger car, involves determining efficiency of compressor, and determining discharge temperature of compressor
The method involves determining the efficiency of a compressor from the speed and an additional operating parameter i.e. compressor pressure ratio, of a turbocharger by a predetermined two-dimensional function of the efficiency. The discharge temperature of the compressor is determined from the inlet temperature of the compressor, the efficiency of the compressor and the compressor pressure ratio. The determined discharge temperature is constantly compared with the stored critical temperature to limit or lower the discharge temperature.
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