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This paper describes the development of our software simulation of the car cabin and its air conditioning system. The validation of this software requires a lot of experimental data ( test bench and wind tunnel). The models of this software are based on a physical and parametrical approach. This paper also details the comparison between test and simulation in different operating conditions both the car cabin and the A/C systems. The result obtained from simulation give a good level of accuracy.

Valeo Climate control is developing a software package for the design and simulation of car air-conditioning systems. This software package aims to improve Valeo's response to customer requirements concerning delays for design and sizing car air-conditioning systems performances and cost reduction. Further it shall help to capitalize our competence and expertise on the A/C systems. The comparisons between simulation and tests give a good level of accuracy. The software consists of three modules: A first module for car cabin thermal simulation in dynamic and stationary conditions. A second module for the determination and optimization of the A/C system components. A third module is under development for the dynamic simulation of the A/C system in non-standard operating conditions.

Valeo Thermal Systems is developing a software package for the design and simulation of a car air-conditioning systems. This software package aims to improve Valeo's response to customer requirements concerning delays for design and sizing system performance and cost reduction.Further it shall help to capitalise our competece and expertise on the A/C systems. The validation of this software is in progress. The software is made up of two modules: A first module for car cabin thermal simulation in dynamic and stationary regimes. A second module for the determination and optimisation of the components for designing an A/C system. A third module is under development for the dynamic simulation of the A/C system functioning in nonstandard conditions.