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Performance and efficiency evaluation and heat release study of a direct-injection stratified-charge rotary engineA computer simulation which models engine performance of the Direct Injection Stratified Charge (DISC) rotary engines was used to study the effect of variations in engine design and operating parameters on engine performance and efficiency of an Outboard Marine Corporation (OMC) experimental rotary combustion engine. Engine pressure data were used in a heat release analysis to study the effects of heat transfer, leakage, and crevice flows. Predicted engine data were compared with experimental test data over a range of engine speeds and loads. An examination of methods to improve the performance of the rotary engine using advanced heat engine concepts such as faster combustion, reduced leakage, and turbocharging is also presented.
Document ID
19880036086
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Nguyen, H. L.
(NASA Lewis Research Center Cleveland, OH, United States)
Addy, H. E.
(NASA Lewis Research Center Cleveland, OH, United States)
Bond, T. H.
(NASA Lewis Research Center Cleveland, OH, United States)
Lee, C. M.
(NASA Lewis Research Center Cleveland, OH, United States)
Chun, K. S.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 13, 2013
Publication Date
February 1, 1987
Subject Category
Mechanical Engineering
Report/Patent Number
SAE PAPER 870445
Accession Number
88A23313
Distribution Limits
Public
Copyright
Other

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