Effect of geometrical parameters on the evaporative heat transfer and pressure drop of R-134a flowing in dimpled tubes

An investigation was experimentally performed to explore the influence of geometrical parameters on the evaporative heat transfer coefficient and pressure drop of R-134a in dimpled tubes. The test sections were the counter-flow tube-in-tube heat exchanger, where the refrigerant was evaporated in the...

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Veröffentlicht in:	Heat and mass transfer 2021-03, Vol.57 (3), p.465-479
Hauptverfasser:	Aroonrat, Kanit, Asirvatham, Lazarus Godson, Dalkılıç, Ahmet Selim, Mahian, Omid, Ahn, Ho Seon, Wongwises, Somchai
Format:	Artikel
Sprache:	eng
Schlagworte:	Counterflow Dimpling Engineering Engineering Thermodynamics Evaporation Fluid dynamics Fluid flow Friction factor Heat and Mass Transfer Heat flux Heat transfer Heat transfer coefficients Industrial Chemistry/Chemical Engineering Original Parameters Pressure drop Thermodynamics Tube heat exchangers Tubes
Online-Zugang:	Volltext
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