Nucleate boiling heat transfer coefficients of R1234yf on plain and low fin surfaces

被引：57
|
作者：
Park, Ki-Jung [1 ]
Jung, Dongsoo [1 ]
机构：
[1] Inha Univ, Dept Mech Engn, Inchon 402751, South Korea
来源：
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2010年 / 33卷 / 03期
关键词：
Heat exchanger; Evaporator; Experiment; Measurement; Heat transfer; Nucleate boiling; R1234yf; Plain surface; REFRIGERANTS;
D O I：
10.1016/j.ijrefrig.2009.12.020
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this study, nucleate boiling heat transfer coefficients (HTCs) of HFC134a and R1234yf were measured on a flat plain and low fin surfaces. All data were taken at the liquid pool temperature of 7 degrees C on a small horizontal square copper plate (9.53 mm x 9.53 mm) at heat fluxes from 10 kW m(-2) to 200 kW m(-2) with an interval of 10 kW m(-2). Test results show that the nucleate boiling HTCs of R1234yf are very similar to those of HFC134a for two surfaces tested. Conventional boiling correlations can be used for the design of evaporators and boilers with R1234yf. (C) 2009 Elsevier Ltd and IIR. All rights reserved.
引用
收藏
页码：553 / 557
页数：5
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