Key Objectives & Responsibilities:
Reporting to the Principal Engineer – Thermal Systems, you will be responsible for the simulation and analysis of vehicle efficiency focusing on range and thermal systems within the Vehicle Development team.
- Development of simulation models for vehicle range and overall vehicle efficiency.
- Development of 1D vehicle simulation models covering the thermal management systems including:
o High voltage battery cooling & heating
o Electric propulsion system cooling
o Refrigerant system – conventional air conditioning and heat pump systems
o Cabin cooling & heating
o Thermal system calibration strategy
- Maintain models in accordance with changes to vehicle hardware, calibration and component & system physical test data
- Preparation of reports and feedback to the technical and project management teams
- Run models to verify system requirements, run system experiments, ‘What-if’ scenarios, and identify failure modes
- Pro-actively recommend component, system, and/or calibration changes that improve overall vehicle efficiency
- Work cross-functionally with Vehicle Attributes, Thermal & Climate systems, Electric Propulsion, Interiors, Drive Line, and Electrical groups
- You will have a bachelor’s degree or equivalent experience in a relevant area with at least 3 years of industry experience.
- Experience using simulation applications such as VSIM, GT Suite, Amesim, Matlab & Simulink, or similar 1D applications
- Demonstratable understanding of range simulation tools.
- Demonstratable understanding of powertrain cooling system function, components, and operating parameters
- Demonstratable understanding of air conditioning refrigerant system function, components, and operating parameters
- Demonstratable understanding of cabin HVAC system function, components, and operating parameters
- Understanding of fundamental thermodynamics and heat transfer theory, fluid mechanics & pressure losses in ducts, including use of empirical hand calculations
- Understanding of thermal system calibration concepts with regards to operating triggers of pumps, valves, compressor, fans, etc
- Correlation of simulation models to component & system physical test data
- Correlation of simulation results to hand calculations – sanity checking of model integrity
- Some experience in the use of 3D CFD applications and/or interpretation of results data
- Some experience of vehicle & rig testing and results analysis
- Understanding of system parasitic losses, efficiency, and how they relate to overall vehicle energy consumption
- Basic understanding of electric motor/generator theory, mechanical power transmission, and efficiency
- Basic understanding of Li-ion battery construction, operation, and heat generation processes
- Basic understanding of electrical power concepts such as series & parallel circuits, electrical resistance, and power calculations
- Where required support Engineering in cross-functional teams and meetings.
- Capable of working within tight time frames.