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Feasibility study of a scroll expander for recycling low-pressure exhaust gas energy from a vehicle gasoline engine system
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Luo, Xing, Wang, Jihong, Krupke, Christopher and Xu, Hongming (2016) Feasibility study of a scroll expander for recycling low-pressure exhaust gas energy from a vehicle gasoline engine system. Energies, 9 (4). pp. 1-22. 231. doi:10.3390/en9040231 ISSN 1996-1073.
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Official URL: http://dx.doi.org/10.3390/en9040231
Abstract
The growing number of vehicles on the road has led to a rapid increase in fuel consumption and toxic gas emissions, so the challenges in fuel efficiency improvement and reduction of CO2 and NOx emissions have always been on the top agenda of the automotive industry. The paper presents a feasibility study of recovering the low-pressure exhaust gas energy via by-pass connection of a scroll expander to the engine system exhaust. The paper starts with the description of the proposed new exhaust energy recycling scheme and the mathematical modelling of the system. A feasibility study is carried out to investigate whether this new scheme can work with the engine operation conditions specified by the engine test data. The initial study indicated that the scroll expander structure needs to be modified; otherwise, it cannot be used for exhaust energy recovery. The experimental test and simulation results presented in this paper indicate that it is feasible to recover the low-pressure exhaust gas energy using a scroll expander with a modified structure. The proposed energy recovery system has the potential to produce over 400 W power output with over 90% of engine exhaust flow recycling.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TL Motor vehicles. Aeronautics. Astronautics | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Library of Congress Subject Headings (LCSH): | Automobiles -- Motors -- Exhaust gas, Waste products as fuel | ||||||||
Journal or Publication Title: | Energies | ||||||||
Publisher: | M.D.P.I.A.G. | ||||||||
ISSN: | 1996-1073 | ||||||||
Official Date: | 24 March 2016 | ||||||||
Dates: |
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Volume: | 9 | ||||||||
Number: | 4 | ||||||||
Number of Pages: | 22 | ||||||||
Page Range: | pp. 1-22 | ||||||||
Article Number: | 231 | ||||||||
DOI: | 10.3390/en9040231 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||
Date of first compliant deposit: | 4 April 2016 | ||||||||
Date of first compliant Open Access: | 5 April 2016 | ||||||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC) | ||||||||
Grant number: | EP/J01043X/1 (EPSRC), EP/K002228/1 (EPSRC) |
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