Интенсификация теплообмена в аппаратах холодильных и криогенных установок

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Интенсификация теплообмена в аппаратах холодильных и криогенных установок
Инженерный журнал: наука и инновации # 5·2017 11
Heat transfer enhancement in apparatuses
of refrigerating and cryogenic plants
© I.A. Arkharov, E.S. Navasardyan, A.S. Glukharev
Bauman Moscow State Technical University, Moscow, 105005, Russia
Heat exchanger is one of the main elements of energy systems. When designing such apparat-
uses it is important to choose the appropriate type of fins. This task should be solved at the
stage of designing the installation for specific operating modes, as well as operating condi-
tions. The paper analyzes the possibility of increasing the heat transfer coefficient from the
inner surface of the pipe due to the complication of the geometry of the shell space by in-
stalling profiled inserts of various geometries. The result obtained with the help of criterial
equations is compared with the results obtained by numerical modeling in the program system
of finite element analysis ANSYS Fluent. Thanks to a numerical model for describing and cal-
culating heat exchange processes, it is possible to achieve cost savings in the design of ma-
chines and apparatuses of various installations. A numerical experiment also makes it possi-
ble to increase the efficiency of the entire system as a whole.
Keywords: shell and tube heat exchanger, heat transfer enhancement, heat transfer coef-
ficient, comparative analysis, finite element modeling
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Arkharov I.A., Dr. Sc. (Eng.), Professor of the Department of Refrigerating, cryogenic
equipment. Air conditioning and life support systems, Bauman Moscow State Technical
University. e-mail:
Navasardyan Е.S., Cand. Sc. (Eng.), Assoc. Professor of the Department of Refrigerat-
ing, cryogenic equipment. Air conditioning and life support systems, Bauman Moscow
State Technical University. e-mail:
Glukharev А.S., student of the Department of Refrigerating, cryogenic equipment. Air
conditioning and life support systems, Bauman Moscow State Technical University.
e-mail: