General Information
    • ISSN: 2010-0221
    • Frequency: Bimonthly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Prof. Dr. Shen-Ming Chen
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Editor-in-chief
Prof. Dr. Shen-Ming Chen
National Taipei University of Technology, Taiwan
 

IJCEA 2010 Vol.1(1): 1-9 ISSN: 2010-0221
DOI: 10.7763/IJCEA.2010.V1.1

Model Treatment for Simulation of Natural Convection in A vertical Wall Immersed In a Supercritical Fluid

Fayadh M. Abed and Dr. Ghazi Y. M. Alshahery
Abstract—An attempt for both Petal-Tejel and Van-der val EOS calculation of thermo physical properties; below, near and above psedo-critical line of  supercritical flow of carbon dioxide. A good match of benchmark data with the calculation presented for thermal expansivity, heat conductivity, viscosity, specific heat and density. The flow characteristic being calculated to give a proper criterion with the physical meaning of flow at near psedo-ctritical temperature and pressure.   The local Nusselt number was calculated and plotted as a function of the local Rayleigh number. It is observed in these plots that a curve obtained with temperature and pressure far from the critical region approaches the line obtained with a classic correlation. It was also observed that the curves corresponding to supercritical conditions are notably above of the line corresponding to the classic correlation, which means that the heat transfer considerably increases in the critical region. Nusselt-Rayleigh numbers ratios confirm the results of flow characteristics.

Index Terms—Cubic equations of state, Natural convection, Supercritical carbon dioxide

Fayadh M. Abed, Mechanical Engineering, College of Engineering, Tikrit University (email: fayadh_mohamed@yahoo.com; tel.: 00964(0)7702597719).
Dr. Ghazi Y. M. Alshahery, Former Director of the Iraq-Nuclear Program

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Cite: Fayadh  M. Abed, Dr. Ghazi Y. M. Alshahery, "Model Treatment for Simulation of Natural Convection in A vertical Wall Immersed In a Supercritical Fluid," International Journal of Chemical Engineering and Applications vol. 1, no. 1, pp. 1-9, 2010.

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