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Journal of Porous Media
Fator do impacto: 1.49 FI de cinco anos: 1.159 SJR: 0.504 SNIP: 0.671 CiteScore™: 1.58

ISSN Imprimir: 1091-028X
ISSN On-line: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v14.i9.50
pages 805-814

A STUDY OF HEAT TRANSFER AND PRESSURE DROP DURING CONDENSATION AND EVAPORATION PROCESSES IN POROUS MEDIA, USING EXPERIMENTAL WORK AND DIMENSIONAL ANALYSIS: A CASE STUDY OF CARBON DIOXIDE (CO2)

Mohammad Tarawneh
The Hashemite University, Zarqa 13115 Jordan
A. Alshqirate
Al-Shoubak University College, Al-Balqa' Applied University, Al-Salt, Jordan
Mahmoud Ahmad Hammad
University of Jordan

RESUMO

This work presents experimental and analytical studies of convection change phase heat transfer coefficient and pressure drop during flow inside tubes filled with porous media (sand). Condensation and evaporation processes were considered. Carbon dioxide was used as a flowing fluid over a wide range of inlet pressures, porosities, and mass flow rates. The pressure drop was found to be significantly reasonable in condensation and negligible for evaporation processes. The experimental results of the convective heat transfer coefficient and pressure drop during these flows were obtained, listed as experimental data, and used to develop empirical correlations using the dimensional analysis method. The analytical data produced from developed correlations were listed. Comparison between experimental results and those obtained analytically proved to be compatible with an average standard deviation (ASD) of 5.97% for pressure drop, while for the convective heat transfer coefficient during condensation process the ASD was 7.35%, and for the convective heat transfer coefficient during evaporation processes the ASD was 4.6%.


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