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Heat transfer during evaporation of R1234ze(E), R32, R410A and a mixture of R1234ze(E) and R32 inside a horizontal smooth tube / Md. Anowar Hossain in International journal of refrigeration, Vol. 36 N° 2 (N° spécial) (Mars 2013) 

Public ISBD [article]  in International journal of refrigeration > Vol. 36 N° 2 (N° spécial) (Mars 2013) . - pp. 465–477 Titre : Heat transfer during evaporation of R1234ze(E), R32, R410A and a mixture of R1234ze(E) and R32 inside a horizontal smooth tube Titre original : Transfert de chaleur lors de l'évaporation du R1234ze(E), du R32, du R410A et d'un mélange de R1234ze(E) et de R32 à l'intérieur d'un tube lisse horizontal Type de document : texte imprimé Auteurs : Md. Anowar Hossain, Auteur ; Yoji Onaka, Auteur ; Hasan M. M. Afroz, Auteur Année de publication : 2013 Article en page(s) : pp. 465–477 Note générale : Refrigeration Langues : Anglais (eng) Mots-clés : Evaporation;  Heat  transfer  coefficient;  Horizontal  tube;  Two-phase  flow;  Mixture Résumé : This experimental study measured and compared the heat transfer coefficients during in-tube evaporation of R1234ze(E), R32, the nearly azeotropic HFC refrigerant blend R410A and a zeotropic mixture R1234ze(E)/R32 (55/45 mass %) inside a water heated double tube heat exchanger. The experiment has been carried out under the conditions of mass flux varying from 150 to 445 kg m−2 s−1, the saturation temperatures are 5 and 10 °C, over the vapor quality range 0.0–1.0. The effect of vapor quality, mass flux and saturation temperature on heat transfer coefficients have been analyzed. It is found that the experimental heat transfer coefficients of R1234ze(E) are lower than R1234ze(E)/R32 (55/45mass%), R410A and R32 by 11%, 56% and 83%, respectively, at about 0.48 vapor quality and 300 kg m−2 s−1 mass velocity. Experimental results have been compared with some well-known correlations. En ligne : http://www.sciencedirect.com/science/article/pii/S0140700712002691 [article] Heat transfer during evaporation of R1234ze(E), R32, R410A and a mixture of R1234ze(E) and R32 inside a horizontal smooth tube = Transfert de chaleur lors de l'évaporation du R1234ze(E), du R32, du R410A et d'un mélange de R1234ze(E) et de R32 à l'intérieur d'un tube lisse horizontal [texte imprimé] / Md. Anowar Hossain, Auteur ; Yoji Onaka, Auteur ; Hasan M. M. Afroz, Auteur . - 2013 . - pp. 465–477. Refrigeration Langues : Anglais (eng) in International journal of refrigeration > Vol. 36 N° 2 (N° spécial) (Mars 2013) . - pp. 465–477 Mots-clés : Evaporation;  Heat  transfer  coefficient;  Horizontal  tube;  Two-phase  flow;  Mixture Résumé : This experimental study measured and compared the heat transfer coefficients during in-tube evaporation of R1234ze(E), R32, the nearly azeotropic HFC refrigerant blend R410A and a zeotropic mixture R1234ze(E)/R32 (55/45 mass %) inside a water heated double tube heat exchanger. The experiment has been carried out under the conditions of mass flux varying from 150 to 445 kg m−2 s−1, the saturation temperatures are 5 and 10 °C, over the vapor quality range 0.0–1.0. The effect of vapor quality, mass flux and saturation temperature on heat transfer coefficients have been analyzed. It is found that the experimental heat transfer coefficients of R1234ze(E) are lower than R1234ze(E)/R32 (55/45mass%), R410A and R32 by 11%, 56% and 83%, respectively, at about 0.48 vapor quality and 300 kg m−2 s−1 mass velocity. Experimental results have been compared with some well-known correlations. En ligne : http://www.sciencedirect.com/science/article/pii/S0140700712002691