DETERMINING THE EFFICIENCY RATIO OF A HEAT-EXCHANGE APPARATUS

被引：0
|
作者：
Sokovnin, O. M. [1 ]
机构：
[1] Vladimir State Univ A G & N G Stoletovs, Murom Inst Branch, 23 Orlovskaya Str, Murom 602264, Russia
来源：
JOURNAL OF ENGINEERING PHYSICS AND THERMOPHYSICS | 2024年
关键词：
heat-exchange apparatus; cocurrent flow; counterflow; crossflow; efficiency ratio; final equilibrium temperature;
D O I：
10.1007/s10891-024-02922-1
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The author has proposed the general approach to determining the efficiency ratio of heat-exchange apparatuses with different schemes of motion of the heat-transfer agents on the basis of taking account of their final equilibrium temperature. A procedure has been developed to calculate this temperature for a cocurrent-flow scheme of motion of the heat-transfer agents. The proposed approach makes it possible to consistently determine and to correctly compare the efficiency ratios of heat-exchange apparatuses in counterflow, cocurrent flow, and crossflow of hot and cold heat-transfer agents. The author has given results of calculating the efficiency ratios of heat-exchange apparatuses used in the production of liquefied natural gas. It has been shown that the maximum operating efficiency of a heatexchange apparatus is attained with evaporation of the cold heat-transfer agent (coolant), which is characteristic of the processes of liquefaction of gases.
引用
收藏
页码：545 / 551
页数：7
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