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Erschienen in:
2019 | OriginalPaper | Buchkapitel
Influence of engine cooling concepts on fuel economy and performance – results of the simulative investigations and test bench measurements
verfasst von : Alexander Schydlo, Robert Martens, Dominik Renner, Thomas Malischewski
Erschienen in: Internationaler Motorenkongress 2019
Verlag: Springer Fachmedien Wiesbaden
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The primary function of an engine cooling system is to transfer heat to the environment – defined as a heat sink, which is generated by combustion as well as in the charge air path, during compression of air. The thermal load of the combustion unit is dependent on the turbocharging concept (e.g. one- or two stage), type of charge air cooling (direct, indirect), concept of exhaust after treatment (SCR, EGR) and the overall thermodynamic efficiency of the engine. The thermohydraulic and geometrical layout of the cooling system makes it possible to meet the condition of all criteria, within the defined limits.