Measurement of averaged heat transfer coefficients in high-pressure vessel during charging with hydrogen, nitrogen or argon gas

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Title Measurement of averaged heat transfer coefficients in high-pressure vessel during charging with hydrogen, nitrogen or argon gas
Author Woodfield, Peter; Monde, Masanori; Mitsutake, Yuichi
Journal Name Journal of Thermal Science and Technology
Year Published 2007
Place of publication Japan
Publisher Japan Society of Mechanical Engineers
Abstract Heat transfer to the wall of a small pressure vessel during filling with some different kinds of gas was investigated experimentally. The vessel was orientated vertically with the inlet at the top. The space-averaged Nusselt number for the curved wall was found to be a function of both the Reynolds and Rayleigh numbers indicating a mixed convection heat transfer situation. A correlation is proposed for the heat transfer coefficient during charging of the vessel. For the six positions where measurements were taken, the local heat transfer coefficient typically did not differ from the space-averaged value by more than about 30 percent. Measurements were also taken during discharging to atmospheric pressure. For discharging, some of the data was found to agree with a correlation for natural convection in cylindrical geometry. Local Nusselt numbers for discharging tended to be higher towards the bottom of the vessel.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1299/jtst.2.180
Volume 2
Issue Number 2
Page from 180
Page to 191
ISSN 1880-5566
Date Accessioned 2010-10-25
Date Available 2011-06-01T22:56:18Z
Language en_AU
Research Centre Centre for Infrastructure Engineering and Management
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Energy Generation, Conversion and Storage Engineering
URI http://hdl.handle.net/10072/38971
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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