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http://dx.doi.org/10.9714/psac.2020.22.3.025

Simple predictive heat leakage estimation of static non-vacuum insulated cryogenic vessel  

Mzad, Hocine (Department of Mechanical Engineering, Badji Mokhtar University of Annaba)
Publication Information
Progress in Superconductivity and Cryogenics / v.22, no.3, 2020 , pp. 25-30 More about this Journal
Abstract
The diminishing of heat leak into cryogenic vessels can prolong the storage time of cryogenic liquid. With the storage of cryogenic liquid reducing, the heat leak decreases, while the actual storage time increases. Regarding to the theoretical analysis, the obtained results seems to be constructive for the cryogenic insulation system applications. This study presents a predictive assessment of heat leak occurring in non-vacuum tanks with a single layer of insulation. A Radial steady-state heat transfer, based on heat conduction equation, is taken into consideration. Graphical results show the thermal performance of the insulation used, they also allow us to choose the appropriate insulation thickness according to the shape and diameter of the storage tank.
Keywords
cryogen; heat leak; prediction; non-vacuum; insulation;
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Times Cited By KSCI : 5  (Citation Analysis)
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