Abstract
Computer modelling of cryocoolers has emerged as a major research area in the last 4–5 years. In this paper, the authors describe a computer model for two-stage Gifford-McMahon cycle cryocooler. The model is developed based on certain simplifying assumptions. It starts with the computation of ideal refrigeration effect that can be obtained from the cryocooler. The model then computes different losses in the system giving the net refrigeration effect available from the cryocooler. Measurements are performed to get the input data for the model from the machine. The input data are pressure-volume variations, temperature and refrigeration effect at both expansion stages. The model predictions have been found to be very close to the actual results obtained from the machine.
The model is used further to study the effect of different parameters like phase angle between pressure and volume variations, frequency and also of the regenerator materials on the refrigeration available at first and second stage of expansion.
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© 1996 Plenum Press, New York
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Atrey, M.D., Häfner, H.U., Heiden, C. (1996). Development of a Computer Model for Two-Stage Gifford-McMahon Cryocooler. In: Kittel, P. (eds) Advances in Cryogenic Engineering. A Cryogenic Engineering Conference Publication, vol 41. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0373-2_200
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DOI: https://doi.org/10.1007/978-1-4613-0373-2_200
Publisher Name: Springer, Boston, MA
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