Name:
SE-99-04-1 -- Two-Phase Flow Condensation Characteristics of Alternatives to R-502 Inside Air/Refrigerant Enhanced Surface Tubing PDF
Published Date:
1999
Status:
Active
Publisher:
ASHRAE
An experimental study compared the heat transfer characteristics of two-phase flow condensation of alternative zeotropic refrigerant mixtures to R-502 inside air/refrigerant horizontal enhanced surface tubing. The alternatives considered in this study are R-507, R-404A, R-407B, and R-408A. It was evident from the condensation experimental data that R-407B has the lowest heat transfer rate compared to the other blends in the investigated range of refrigerant mass flow rates and heat flux. Furthermore, experimental data on the two-phase condensation pressure gradient across the test section at different Reynolds numbers showed that R-404A has the highest convective pressure drop among the blends under investigation.
Units: Dual
| File Size : | 1 file , 370 KB |
| Note : | This product is unavailable in Russia, Belarus |
| Number of Pages : | 7 |
| Product Code(s) : | D-7492 |
| Published : | 1999 |
