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International Heat Transfer Conference 13
Graham de Vahl Davis (open in a new tab) School of Mechanical and Manufacturing Engineering, University of New South Wales, Kensington, NSW, Australia
Eddie Leonardi (open in a new tab) Computational Fluid Dynamics Research Laboratory, School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, Australia 2052

ISSN Online: 2377-424X

ISBN CD: 1-56700-226-9

ISBN Online: 1-56700-225-0

THERMAL CONTROL OF ADSORBED NATURAL GAS RESERVOIRS UNDER DISCHARGE DYNAMIC CONDITION

page 12
DOI: 10.1615/IHTC13.p2.100
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SINOPSIS

A model for the thermal control of adsorbed natural gas cylindrical reservoirs during a slow discharge process is presented. A heat pipe thermal control device is considered at the centre of the reservoir. A two-dimensional transient analysis of the reservoir and a one-dimensional analysis of the heat pipe are described, and natural gas is modelled as pure methane, whose thermodynamic behaviour is modelled as ideal gas. Equations for energy and mass conservation are presented as well as the adsorption equilibrium relations for the process addressed in this work. The finite difference method was used to obtain a numerical solution for the model. Results obtained with the presented model are compared to theoretical and experimental data available in the literature. Finally, the effects of the thermal control on the temperature gradient, on the gas pressure history inside the reservoir and on the mass of natural gas delivered are discussed. The thermal control effects are investigated by varying the temperature of the heat sink and the discharge mass flow rate.

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