Numerical Simulation of Natural Convection in a Transient Short-Hot-Wire Thermal Conductivity Cell

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Title Numerical Simulation of Natural Convection in a Transient Short-Hot-Wire Thermal Conductivity Cell
Author Woodfield, Peter; Fukai, Jun; Fujii, Motoo; Takata, Yasuyuki; Shinzato, Kanei
Journal Name Netsu Bussei
Year Published 2008
Place of publication Japan
Publisher Japan Society of Thermophysical Properties
Abstract Numerical simulations are performed for thermal and flow fields in a transient hot-wire thermal conductivity cell designed for the study of hydrogen gas at pressures up to 100 MPa. Two-dimensional unsteady incompressible Navier-Stokes equations are solved simultaneously with the continuity and energy equations. For hydrogen at atmospheric pressure, natural convection is found to have an almost negligible effect on the predicted wire temperature. At high pressures the onset of natural convection effects is predicted to occur in less than one second in agreement with an existing empirical correlation for the critical time for natural convection in a transient hot-wire cell.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.netsubussei.jp/
Volume 22
Issue Number 4
Page from 217
Page to 222
ISSN 0913-946X
Date Accessioned 2011-06-09
Language en_AU
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Mechanical Engineering
URI http://hdl.handle.net/10072/40497
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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