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Keywords: critical heat flux
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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, 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 new similarity laws for fluid-to-fluid modeling of critical heat flux (CHF) in horizontal helically-coiled tubes were derived based on the dimensional analysis and similarity theory considering the effect of the geometrical parameters on CHF. A generalized factor Dn was introduced...
Proceedings Papers

Proc. ASME. IHTC14, 2010 14th International Heat Transfer Conference, Volume 1, 201-213, August 8–13, 2010
Paper No: IHTC14-22225
... The subcooled boiling heat transfer (HT) and the steady-state critical heat fluxes (CHFs) in a short SUS304-tube with twisted-tape insert are systematically measured for mass velocities ( G = 4016 to 13950 kg/m 2 s), inlet liquid temperatures ( T in = 285.82 to 363.96 K), outlet pressures ( P...