The Proceedings of the Symposium on Stirlling Cycle
Online ISSN : 2424-2926
2003.7
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Effects of entrance and exit shapes on uniform flow in regenerator
Ikusei FURUKAWAYukinobu ENDOHKazuhiro HAMAGUCHIIwao YAMASHITA
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages 43-46

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Abstract
In Stirling engines and cryocoolers, the regenerator is the indispensable heat exchanger. The regenerator exists between the heater and the cooler in engines, and between the expansion space and the compression space in cryocoolers. So, the flow passage at the regenerator ends is reduced in size. The effects of the small passage on the velocity distribution of working gas in the matrix cause increased flow loss and decreased thermal performance. In this paper, the effects of flow passage with taper between regenerator ends and matrix on flow area in matrix are examined using unidirectional steady flow apparatus and compared with those of flow passage with gap.
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© 2003 The Japan Society of Mechanical Engineers
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