Test results of a 40 kW Stirling engine and comparison with the NASA-Lewis computer code predictionsA Stirling engine was tested without auxiliaries at NASA-Lewis. Three different regenerator configurations were tested with hydrogen. The test objectives were (1) to obtain steady-state and dynamic engine data, including indicated power, for validation of an existing computer model for this engine; and (2) to evaluate structurally the use of silicon carbide regenerators. This paper presents comparisons of the measured brake performance, indicated mean effective pressure, and cyclic pressure variations with those predicted by the code. The measured data tended to be lower than the computer code predictions. The silicon carbide foam regenerators appear to be structurally suitable, but the foam matrix tested severely reduced performance.
Document ID
19860040151
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Allen, D. (NASA Lewis Research Center; Sverdrup Technology, Inc. Cleveland, OH, United States)
Cairelli, J. (NASA Lewis Research Center Cleveland, OH, United States)