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Communication Dans Un Congrès Année : 2017

Experimental study on Rankine cycle evaporator efficiency intended for exhaust waste heat recovery of a diesel engine

Résumé

The paper pressents an experimental study of Rankine cycle evaporator efficiency. Water was chosen as the working fluid in the system. The experimental test was conducted on a test bench equipped with a burner charged by compressed fresh air. Generated exhaust gases parameters were previously determined over the diesel engine operating range (28 engine operating points were studied). For each test point the working fluid parameters (flow rate and evaporating pressure) were varied. Thus, the enthalpy flow through the heat exchanger was determined. Heat exchanger was designed as 23 helical tubes are inserted. On the basis of the results, it was found out that efficiency varies from 25 % to 51,9 %. The optimal working fluid pressure is 20 bar at most of the operating points while the optimum fluid mass flow rate varies from 2 g/s to 10 g/s.
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Origine : Publication financée par une institution
Licence : CC BY - Paternité

Dates et versions

hal-01674827 , version 1 (31-08-2023)

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Paternité

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Nikolay Milkov, Quentin Danel, Plamen Punov, Christelle Perilhon, Pierre Podevin, et al.. Experimental study on Rankine cycle evaporator efficiency intended for exhaust waste heat recovery of a diesel engine. International Scientific Conference on Aeronautics, Automotive and Railway Engineering and Technologies, Oct 2017, Sozopol, Bulgaria. pp.1-6, ⟨10.1051/matecconf/201713304003⟩. ⟨hal-01674827⟩
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