Browse Publications Technical Papers 2020-28-0002

Universal Electric Vehicle Thermal Management System 2020-28-0002

Universal Electric Vehicle Thermal Management System describes a thermal system architecture that delivers efficient year round thermal performance for electric vehicles. Proposed system takes care for cabin thermal comfort, battery thermal comfort. A benchmark study for thermal management system for electric vehicle shows that there is no efficient thermal system available that can be applicable to year round requirements of different geographical regions. Proposed system delivers less refrigerant pressure drop throughout the system and waste heat recovery from high thermal potential of refrigerant on discharge side of compressor to cabin heater using a water condenser. A single compressor and pump takes care for circulating refrigerant and coolant respectively for entire thermal system. An extensive simulation and testing validation for the proposed system is carried out to prove the efficient functionality of the proposed system. Waste energy recovery is the key to improve thermal system performance and same has been successfully validated for the proposed system with different stage of testing. Different simulations were carried out using 1-D simulation tool and parallel validation is done system calorimeter bench. Test results shows that proposed system is much more efficient than the benchmark system and a significant improvement in mileage (distance to 100% battery charge) has been proved. Proposed system is very simple in comparison to benchmarked system in term of architecture complexity. Aim for this study is not to propose efficient thermal system in terms of running cost but also to propose a system which is less expensive to the end customer.


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