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2011 | 120 | 3 | 384-389
Article title

Effects of Equivalence Ratio and Mean Piston Speed on Performance of an Irreversible Dual Cycle

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Content
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Languages of publication
EN
Abstracts
EN
In the present study, the performance of an air standard dual cycle is analyzed using finite-time thermodynamics. The relations between the power output and the compression ratio, between the power output and the thermal efficiency are derived by detailed numerical examples. The results show that the maximum power output and the power output at the maximum efficiency point increase and then decrease as the equivalence ratio and/or the mean piston speed increases. The results also show that the optimal compression ratio corresponding to maximum power output point and the working range of the cycle remain constant as the mean engine speed is increased, but they increase and then decrease as the equivalence ratio is increased. It is noteworthy that the results obtained in the present study are of significance for providing guidance with respect to the performance evaluation of practical internal combustion engines.
Keywords
EN
Year
Volume
120
Issue
3
Pages
384-389
Physical description
Dates
published
2011-09
received
2010-04-23
(unknown)
2011-04-11
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv120n305kz
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