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The environmental impact of conventional HFC refrigerants and their subsequent phasing out has led to the evaluation of heat transfer and pressure drop performance of alternative low-GWP refrigerants. This seminar highlights the flow condensation performance of several low-GWP refrigerants, both pure and HFC/HFO mixtures, in 0.95 mm multi-channels tube, and smooth and internally enhanced microfin tubes of 4 mm to 9 mm diameter. R-32, R-1234yf, R-454C, R-450A, and R-513A were experimentally investigated to compare with R134a and R410A, and with existing correlations. This session benefits engineers with refrigerant selection and design of air-to-refrigerant and liquid-to-refrigerant heat transfer equipment.
- Condensation Heat Transfer Performance of R513A and R450A in Minichannel Square Tubes< /br> Melanie Derby, Ph.D., Member, Kansas State University, Manhattan, KS
- Condensation Heat Transfer and Pressure Drop for Single Component and Refrigerant Mixtures in Smooth and Enhanced Tube Geometries< /br> Saad Jajja, Ph.D., Oak Ridge National Laboratory, Oak Ridge, TN
- Condensation of R32 inside Microfin and Smooth ID 4mm Tubes: A Direct Experimental Comparison< /br> Simone Mancin, Ph.D., University of Padova, Padua, TN, Italy
- Condensation of Low Global Warming Potential Non-Azeotropic Mixture R454C in Horizontal Microfin Tubes< /br> Brian Fronk, Ph.D., Member, Oregon State University, Corvallis, OR
Product Details
- Published:
- 2023
- Units of Measure:
- Dual
- File Size:
- 1 file , 63 MB
- Product Code(s):
- D-TO22Sem34
