CO2 solid-gas two phase flow is investigated in an ultra-low temperature cascade refrigeration system. Visualization test shows that dry ice sedimentation occurs in low mass flow rate. The sedimentation also occurs at low condensation temperature and low heating power input. Based on the present investigation, it is found that the present ultra-low temperature cascade refrigeration system is better to work at heating power input above 900W and condensation temperature above -20°C. At suitable operating condition, the present ultra-low temperature cascade refrigeration system has been shown the capability of achieving ultra-low temperature -62°C continuously and stably
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How to cite this article
Niu, X., Yamaguchi, H. and Nekså, P. (2010). 'Experimental study on a CO2-solid-gas-flow-based ultra-low temperature cascade refrigeration system'. SET Proceedings, 9, pp. 1-6. https://doi.org/10.65582/set.2010.017
