A general Hausen's equation system is introduced here. The regenerator's matrix material axial conductivity is taken into account as a power loss source. Boundary conditions are chosen in accordance with experimental features of the thermodynamical cycle. The numerical solution yields a reasonable value for the effective axial conductivity of our hybrid regenerator. Moreover, a comparison between the experimental and theoretically obtained gas outlet temperature profiles leads to consideration of the heat exchange coefficient as a function of time. © 1989.
Axial conductivity and heat exchanges in a hybridized Gifford-McMahon cryocooler
ZOLI, Marco;
1989-01-01
Abstract
A general Hausen's equation system is introduced here. The regenerator's matrix material axial conductivity is taken into account as a power loss source. Boundary conditions are chosen in accordance with experimental features of the thermodynamical cycle. The numerical solution yields a reasonable value for the effective axial conductivity of our hybrid regenerator. Moreover, a comparison between the experimental and theoretically obtained gas outlet temperature profiles leads to consideration of the heat exchange coefficient as a function of time. © 1989.File in questo prodotto:
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