CONDENSATION HEAT TRANSFER AND PRESSURE DROP OF R-410A IN A 5.0 MM O.D. SMOOTH AND MICROFIN TUBE-Reference-Cited by-同舟云学术

CONDENSATION HEAT TRANSFER AND PRESSURE DROP OF R-410A IN A 5.0 MM O.D. SMOOTH AND MICROFIN TUBE

Published:2013-09 Issue:03 Volume:21 Page:1350018
ISSN:2010-1325
Container-title:International Journal of Air-Conditioning and Refrigeration
language:en
Short-container-title:Int. J. Air-Cond. Ref.

Author:

BYUN HO-WON¹,LEE EUL-JONG¹,SIM YONG-SUP¹,LEE JEONG-KUN¹,KIM NAE-HYUN¹

Affiliation:

1. School of Mechanical System Engineering, University of Incheon, Songdo-Dong, Yeonsu-gu Incheon 406-772, Republic of Korea

Abstract

R-410A condensation heat transfer and pressure drop data are provided for a 5.0 mm O.D. microfin tube having 40 fins with 18 degree helix angle and 40 degree fin apex angle. Tests were conducted for a range of quality (0.2 ~ 0.8), mass flux (346 ~ 692 kg/m2s) and saturation temperature (45 ~ 55°C). Data are compared with smooth tube counterpart. It was found that both heat transfer coefficient and pressure drop increased as mass flux increased. The range of pressure drop penalty factor (1.83 ~ 2.62) was slightly larger than that of heat transfer enhancement factor (1.24 ~ 1.66). Data are compared with available heat transfer and pressure drop correlations.

Publisher

Springer Science and Business Media LLC

Subject

Fluid Flow and Transfer Processes,Renewable Energy, Sustainability and the Environment,Control and Systems Engineering

Link

https://www.worldscientific.com/doi/pdf/10.1142/S2010132513500181

Reference46 articles.

1. Condensation of pure and near-azeotropic refrigerants in microfin tubes: A new computational procedure

2. A REVIEW ON THE HEAT-TRANSFER PERFORMANCE AND PRESSURE-DROP CHARACTERISTICS OF VARIOUS ENHANCED TUBES

3. Heat transfer and pressure drop during condensation of refrigerants inside horizontal enhanced tubes

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