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http://dx.doi.org/10.7316/KHNES.2020.31.6.571

Thermal Analysis of a Cold Box for a Hydrogen Liquefaction Pilot Plant with 0.5 TPD Capacity  

KIM, HYOBONG (Energy Systems Research Division, Korea Institute of Machinery & Materials)
HONG, YONG-JU (Energy Systems Research Division, Korea Institute of Machinery & Materials)
YEOM, HANKIL (Energy Systems Research Division, Korea Institute of Machinery & Materials)
PARK, JIHO (Energy Systems Research Division, Korea Institute of Machinery & Materials)
KO, JUNSEOK (Energy Systems Research Division, Korea Institute of Machinery & Materials)
PARK, SEONG-JE (Energy Systems Research Division, Korea Institute of Machinery & Materials)
IN, SEHWAN (Energy Systems Research Division, Korea Institute of Machinery & Materials)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.31, no.6, 2020 , pp. 571-577 More about this Journal
Abstract
Thermal analysis was performed for a cold box of a hydrogen liquefaction pilot plant with 0.5 ton/day capacity. The pilot plant has adopted a hydrogen liquefaction process using two-stage helium Brayton cycle with precooling of liquid nitrogen. The cold box for hydrogen liquefaction has generally vacuum insulation but inevitable heat invasion by conduction and radiation exists. The heat loads were calculated for cold box internals according to multilayer insulation emissivity. Total heat load of 181.7 W is estimated for emissivity of 0.03 considered in field condition.
Keywords
Hydrogen liquefaction; Cold box; Thermal analysis; Vacuum insulation; Multilayer insulation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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