کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
662079 1458175 2006 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Modeling for predicting frosting behavior of a fin–tube heat exchanger
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
Modeling for predicting frosting behavior of a fin–tube heat exchanger
چکیده انگلیسی

A mathematical model is proposed to evaluate the frosting behavior of a fin–tube heat exchanger under frosting conditions. Empirical correlations of the heat transfer coefficients for the plate and tube surfaces and a diffusion equation for the frost layer are used to establish the model. The correlations for the heat transfer coefficients, derived from various experimental data, were obtained as functions of the Reynolds number and Prandtl number. The proposed model is validated by comparing the numerical results with experimental data for the frost thickness, frost accumulation, and heat transfer rate. The numerical results agree well with the experimental data. It is also found that this model can be applied to evaluate the thermal performance of a common fin–tube heat exchanger under frosting conditions.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Heat and Mass Transfer - Volume 49, Issues 7–8, April 2006, Pages 1472–1479
نویسندگان
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