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Experimental and numerical characterization of a positive displacement vane expander with an auxiliary injection port for an ORC-based power unit

descriptionPublicationkeyboard_double_arrow_right Article , Journal , Conference object 01 Aug 2018 Italy Publisher:Elsevier BVJournal:Energy Procedia, volume 148, pages 830-837 (issn: 1876-6102,

Authors: Fatigati, Fabio; Bartolomeo, Marco Di; Cipollone, Roberto;

doi: 10.1016/j.egypro.2018.08.114

handle: 11697/128401

Experimental and numerical characterization of a positive displacement vane expander with an auxiliary injection port for an ORC-based power unit

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Abstract

Abstract In the present work a novel technology based on a dual injection vane expander has been introduced. The component works on a power unit fed by the exhaust gases of 3L turbocharged diesel engine. The new device was tested in a wide range of operating conditions and its numerical model was validated on the experimental data. The performances of the new machine were compared to those of the original one. The results showed that the dual injection expander provided an increase of the indicated and mechanical power up to 50% and 30%. Mass flow rate can be increased by 30% and this widens the performances of the power unit; this aspect is particularly suitable for a recovery unit fed by the widely changing exhaust gases flow rates in ICEs.

Country

Italy

Related Organizations

National Institute for Nuclear Physics
Italy
University of L'Aquila
Italy

Keywords

General Energy, ORC; WHR; VANE EXPANDER; ADDITIONAL INJECTION; EXPERIMENTAL; MODELLING

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	10
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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%