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A Zero-Dimensional Two-Phase Model of the Thermal Transient of an I.C.E. Cooling System after a Rapid Switch-off
Technical Paper
2006-01-2999
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The paper illustrates a zero-dimensional dynamic model which was developed in the MATLAB®/Simulink environment to predict thermal transient of an automotive cooling system.
In particular, the rapid switch-off of an internal combustion engine which was operated for a prolonged time at high speed under full load was investigated. In this condition, significant vapour formation and, consequently, pressure rise within the cooling circuit can arise, because of the sudden heat transfer from the high temperature head metal to the coolant contained in the cylinder head passages. The proposed model allows predictions of the vaporized mass of coolant as well as of the pressure evolution within the cooling circuit.
The simulations results were compared with experimental tests carried out on a production 4-cylinder, MPI small S.I. engine, 1.2 dm3 displacement, and the agreement was very satisfactory.
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Citation
Bova, S., Piccione, R., and Vulcano, A., "A Zero-Dimensional Two-Phase Model of the Thermal Transient of an I.C.E. Cooling System after a Rapid Switch-off," SAE Technical Paper 2006-01-2999, 2006, https://doi.org/10.4271/2006-01-2999.Also In
SAE 2006 Transactions Journal of Passenger Cars: Mechanical Systems
Number: V115-6; Published: 2007-03-30
Number: V115-6; Published: 2007-03-30
References
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