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Title: | Effect of temperature-dependent specific heat of the working fluid on the performance of cryogenic regenerators |
Authors: | Sahoo, R K Sarangi, S K |
Keywords: | cryogenics regenerators temperature specific heat |
Issue Date: | 1985 |
Publisher: | Elsevier |
Citation: | Cryogenics, Vol 25, No 10, P 583-590 |
Abstract: | The governing differential equations of a regenerator operating with a fluid with temperature-dependent specific heat have been formulated in terms of characteristic reduced parameters. A numerical solution of these equations is presented for several combinations of fluid-flow parameters using normal and parahydrogen as working fluid. It is observed that a constant specific heat model with the harmonic mean reduced length is adequate except at large values of reduced length or period and when the specific heat variation exceeds a factor of two over the temperature range. The matrix and gas exit temperature profiles, however, show a significant difference between the two models, which may be critical in some applications. |
Description: | Copyright for this article belongs to Elsevier Science Ltd http://dx.doi.org/10.1016/0011-2275(85)90180-8 |
URI: | http://hdl.handle.net/2080/164 |
Appears in Collections: | Journal Articles |
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