I. V. Mezentsev, N. V. Vernikovskaya, P. S. Melkov, S. I. Mezentsev, N. N. Mezentseva
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Abstract
The results of mathematical modeling taking into account the phase transition occurring at filtration of air flow through a tubular heat exchanger are presented. The heat exchanger is made of thin-walled plastic tubes (3.2 mm in diameter), filled with water and sealed at both ends. The calculation results qualitatively coincide with the results of experimental studies carried out under natural conditions. The model with consideration of the “water–ice” and “ice–water” phase transitions makes it possible to describe the experimentally observed intersection of time dependences of air temperature in cross sections. This intersection could not be obtained without account of the phase transition in the model. The quantitative difference between the calculation results and the experiment is explained by the choice of insufficiently small value of the relative temperature difference; this parameter needs clarification in further research.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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