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Keywords: R134a
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Proceedings Papers

Proc. ASME. IHTC14, 2010 14th International Heat Transfer Conference, Volume 1, 337-346, August 8–13, 2010
Paper No: IHTC14-22579
... An experimental study of critical heat flux (CHF) was performed to investigate the CHF characteristics of R134a flow boiling in horizontal helically-coiled tubes. The test sections made of stainless steel were directly heated by high-power DC power sources to maintain constant heat-fluxes...
Proceedings Papers

Proc. ASME. IHTC14, 2010 14th International Heat Transfer Conference, Volume 1, 759-766, August 8–13, 2010
Paper No: IHTC14-23415
... An experimental study was carried out to investigate the dry-out critical heat flux (CHF) characteristics of R134a flow boiling in a horizontal helically-coiled tube. The test section was heated uniformly by DC high-power sources and the geometrical parameters are the outer diameter of 10 mm...
Proceedings Papers

Proc. ASME. IHTC14, 2010 14th International Heat Transfer Conference, Volume 1, 767-772, August 8–13, 2010
Paper No: IHTC14-23417
... A series of calculations of the critical heat flux (CHF) fluid to fluid modeling scaling factors were performed to obtain relative data between R134a and water for CHF modeling method. The pressure range of R134a used in calculation was 0.15–3.59Mpa (liquid-gas density ratio 172.45–2.88), water...
Proceedings Papers

Proc. ASME. IHTC14, 2010 14th International Heat Transfer Conference, Volume 1, 347-354, August 8–13, 2010
Paper No: IHTC14-22586
... the influence of complex flow channels on the occurrence of CHF. The equivalent characteristic parameter consists of the essential geometrical parameters of tubes and the fluid thermophysical properties. The new fluid-to-fluid modeling methods were proposed for CHF of R134a-water in horizontal helically-coiled...