Доступ предоставлен для: Guest
Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Heat Transfer Research
Импакт фактор: 0.404 5-летний Импакт фактор: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Печать: 1064-2285
ISSN Онлайн: 2162-6561

Выпуски:
Том 50, 2019 Том 49, 2018 Том 48, 2017 Том 47, 2016 Том 46, 2015 Том 45, 2014 Том 44, 2013 Том 43, 2012 Том 42, 2011 Том 41, 2010 Том 40, 2009 Том 39, 2008 Том 38, 2007 Том 37, 2006 Том 36, 2005 Том 35, 2004 Том 34, 2003 Том 33, 2002 Том 32, 2001 Том 31, 2000 Том 30, 1999 Том 29, 1998 Том 28, 1997

Heat Transfer Research

DOI: 10.1615/HeatTransRes.2018020335
pages 915-927

SEMIEMPIRICAL DIMENSIONLESS CORRELATIONS OF A DYNAMIC FROSTING PROCESS UNDER PRACTICAL CONDITIONS FOR AN AIR SOURCE HEAT PUMP

Dan Wang
Department of Building Environment and Facility Engineering, College of Architecture and Civil Engineering, Beijing University of Technology, No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China; Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, China
Yuying Sun
Department of Building Environment and Facility Engineering, College of Architecture and Civil Engineering, Beijing University of Technology, No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China; Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, China
Wei Wang
Department of Building Environment and Facility Engineering, College of Architecture and Civil Engineering, Beijing University of Technology, No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China; Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, China
Qingci Guo
Department of Building Environment and Facility Engineering, College of Architecture and Civil Engineering, Beijing University of Technology, No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China; Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, China; China Railway Fifth Survey and Design Institute Group Co., Ltd., China
Jingdong Liu
Department of Building Environment and Facility Engineering, College of Architecture and Civil Engineering, Beijing University of Technology, No. 100 Pingleyuan, Chaoyang District, Beijing 100124, China; Beijing Key Laboratory of Green Built Environment and Energy Efficient Technology, China

Краткое описание

Frosting is an undesired phenomenon for air source heat pumps (ASHPs), and numerical correlations are valuable for predicting the dynamic frosting properties. However, the applicable ranges of current correlations greatly deviate from the practical frosting conditions of ASHPs. To solve the above-mentioned problem, this paper develops a set of semiempirical dimensionless correlations under the practical frosting conditions of ASHPs. The sample data is generated from an improved generalized frost formation model. With these data, semiempirical dimensionless correlations are developed by the multiple linear regression method. Frosting properties are regressed as functions of the Reynolds number, Fourier number, relative humidity, and of dimensionless temperature. The proposed correlations are validated by the sample data within an error of ± 10% and examined by experimental data from open literature with good agreements of ± 15%. The results indicate that the proposed semiempirical dimensionless correlations can predict the frosting properties under practical frosting conditions of ASHPs.


Articles with similar content:

PARAMETRIC INVESTIGATION ON SIMILARITY AND SCALE EFFECTS IN HYBRID MOTORS
International Journal of Energetic Materials and Chemical Propulsion, Vol.5, 2002, issue 1-6
Alon Gany, R. D. Swami
Correlation for laminar film condensation over single horizontal integral-fin copper tubes
International Heat Transfer Conference 12, Vol.48, 2002, issue
PSS. Srinivasan, Uday N. Gaitonde , R. Balasubramanian
THERMAL CONDUCTIVITY OF LIQUID SOLUTIONS
International Heat Transfer Conference 4, Vol.36, 1970, issue
Zdenek Losenicky
INFLUENCE OF THE YAW ANGLE ON HEAT TRANSFER AND PRESSURE DROP OF TUBE BUNDLE HEAT EXCHANGERS
International Heat Transfer Conference 7, Vol.15, 1982, issue
H. G. Groehn
EFFICIENT HYDRAULIC AND THERMAL ANALYSIS OF HEAT SINKS USING VOLUME AVERAGING THEORY AND GALERKIN METHODS
Multiphase Science and Technology, Vol.25, 2013, issue 2-4
Ivan Catton, Krsto Sbutega