Journal ArticleDOI
Condensation heat transfer in a mixed flow regime
H. Jaster,P.G. Kosky +1 more
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In this paper, a Nusselt number correlation is proposed to determine the flow transition from the initial annular regime to the final stratified regime, which exhibits errors of similar magnitude to established methods for annular and stratified flow condensation.About:
This article is published in International Journal of Heat and Mass Transfer.The article was published on 1976-01-01. It has received 198 citations till now. The article focuses on the topics: Stratified flow & Nusselt number.read more
Citations
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Journal ArticleDOI
Condensation in Smooth Horizontal Tubes
M. K. Dobson,John C. Chato +1 more
TL;DR: In this article, an experimental study of heat transfer and flow regimes during condensation of refrigerants in horizontal tubes was conducted, where measurements were made in smooth, round tubes with diameters ranging from 3.14 mm to 7.04 mm.
Journal ArticleDOI
Condensation in horizontal tubes, part 2: new heat transfer model based on flow regimes
TL;DR: In this paper, a flow pattern/flow structure based heat transfer model for condensation inside horizontal, plain tubes is proposed based on simplified flow structures of the flow regimes, and also includes the effect of liquid-vapor interfacial roughness on heat transfer.
Journal ArticleDOI
Experimental investigation on condensation heat transfer and pressure drop of new HFC refrigerants (R134a, R125, R32, R410A, R236ea) in a horizontal smooth tube
Alberto Cavallini,Giuseppe Censi,Davide Del Col,Luca Doretti,Giovanni Antonio Longo,Luisa Rossetto +5 more
TL;DR: In this article, the effects of vapour quality, mass velocity, saturation temperature and temperature difference between saturation and tube wall on the heat transfer coefficient are investigated by analysing the experimental data.
MonographDOI
Two-phase flow, boiling and condensation in conventional and miniature systems
TL;DR: In this paper, a comprehensive introduction to the fundamentals and applications of flow and heat transfer in conventional and miniature systems is provided, providing a comprehensive review of single-phase flow fundamentals and interfacial phenomena, detailed and clear discussion is provided on a range of topics, including two-phase hydrodynamics and flow regimes, mathematical modeling of gas-liquid 2-phase flows, pool and flow boiling, flow and boiling in mini and microchannels, external and internal-flow condensation with and without noncondensables, condensation in small flow passages, and two-
Journal ArticleDOI
Condensation inside and outside smooth and enhanced tubes: a review of recent research
Alberto Cavallini,Giuseppe Censi,Davide Del Col,Luca Doretti,Giovanni Antonio Longo,Luisa Rossetto,Claudio Zilio +6 more
TL;DR: In this article, a review of the most recent results appeared in the open literature and pertinent to thermal design of condensers for the air conditioning and refrigeration industry; both in-tube and bundle condensation are considered, related to the use of plain and enhanced surfaces.
References
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Journal ArticleDOI
Estimation of Steady-State Steam Void-Fraction by Means of the Principle of Minimum Entropy Production
TL;DR: In this article, an analysis of steam void fraction in two-phase flow is carried out, utilizing the principle that in a steady-state thermodynamic process the rate of entropy production is minimum.
Journal ArticleDOI
Fluid Dynamics and Heat Transfer
TL;DR: In this article, the dynamique des fluides and transfert de chaleur were used to describe the dynamiques of fluides in the context of transfert-de-chaleur.