โ Scribed by Chung-Biau Chiou; Ding-Chung Lu; Chi-Chuan Wang
No coin nor oath required. For personal study only.
Pool boiling heat transfer on a plain tube having R-22, R-124 and R-134a as working fluids are reported in the present investigation. Experiments are conducted at saturation temperatures of 4.4ยฐC and 26.7ยฐC and ;tt reduced pressures of 0.1 and 0.2. It is shown that the Cooper correlation can predict the present pool boiling heat transfer data satisfactorily. In addition, a semi-analytical prediction method is proposed in this study ; this semi-analytical model can not only predict the present data with success, but also give rea:~onably good accuracy with the experimental data from other researchers.
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Edited by Gavasci er rrl. From eight deposits in central Mongolia, oil shale samples were removed and pyrolysis experiments were conducted on them. The best quality oil shale gave 15% pitch. The process of distillation allowed liquid fractions and solid residues to be obtained. After acids, organic