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Development of Simulation Program of Automotive Engine Cooling System  

배석정 (중앙대학교 대학원 기계공학과)
이정희 (중앙대학교 대학원 기계공학과)
최영기 (중앙대학교 기계공학부)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.15, no.11, 2003 , pp. 943-956 More about this Journal
Abstract
A numerical program has been developed for the simulation of automotive engine cooling system. The program determines the mass flow rate of engine coolant circulating the engine cooling system and radiator cooling air when the engine speed is adopted by appropriate empirical correlation. The program used the method of thermal balance at individual element through the model for radiator component in radiator analysis. This study has developed the program that predicts the coolant mass flow rate, inlet and outlet temperatures of each component in the engine cooling system (engine, transmission, radiator and oil cooler) in its state of thermal equilibrium. This study also combined the individual programs and united into the total performance analysis program of the engine cooling system operating at a constant vehicle speed. An air conditioner system is also included in this engine cooling system so that the condenser of the air conditioner faces the radiator. The effect of air conditioner to the cooling performance, e.g., radiator inlet temperature, of the radiator and engine system was examined. This study could make standards of design of radiator capacity using heat rejection with respect to the mass flow rate of cooling air. This study is intended to predict the performance of each component at design step or to simulate the system when specification of the component is modified, and to analyze the performance of the total vehicle engine cooling system.
Keywords
Automotive engine cooling system; Radiator; Air conditioner; Numerical simulation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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