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压缩包内文档预览：
编号：18467119
类型：共享资源
大小：34.12MB
格式：RAR
上传时间：2019-04-29
上传人：hon****an
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江苏
IP属地：江苏
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CD-adapco电池包仿真案例
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CD-adapco电池包仿真案例,CD-adapco电池包仿真案例
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From Cell Can to Battery Module In STAR-CCM+ Battery Simulation Module (BSM),Gatan Damblanc,Study introduction Battery Module build-up process Battery Cell data import Battery Module assembly Meshing and Physics Analysis and Results Conditions Analysis Improving the design Cooling system design exploration Conclusion,Agenda,Objective - Simulate a battery module thermal performance Using the high power cell previously characterised in Battery Design Studio Build-up a module with: Full cell design (Can, Jellyroll, Tabs etc) Casing Electrical insulation pad Bus bars Cooling system Apply this model to a drive cycle,Study Introduction,Process,Battery Module build-up process,Battery Design Studio,TBM file,Battery Simulation Module,Li-ion Cell Performance model,Battery Cell data import,Battery Module build-up process,Battery Design Studio,TBM file,Battery Simulation Module,Li-ion Cell Performance model,Battery module assembly Using dedicated pre-processor,Battery Module build-up process,Adding the other module components such as: The bus bars The electrical insulation pad The cooling channels The casing Can be done with STAR-CCM+ 3D-CAD or any third part CAD Software,Battery Module build-up process,Automatic Meshing Use of “Thin Mesher” to optimise control volumes count in thin geometries of battery cells (5.5M elements).,Battery Module build-up process,Physics,Battery Module build-up process,Conditions To the battery module, the US06 drive cycle as electrical current is imposed The Battery Module initial temperature is 25 oC A constant flow rate of coolant at 10 oC is imposed on the cooling system Computation can be performed on multiprocessor workstations or supercomputers,Analysis and Results,Analysis and Results,Analysis and Results,10.5oC,Analysis and Results,40 mV,0.3W,Highest Voltage Lowest Heat Generation,Lowest Voltage Highest Heat Generation,Can the battery thermal performance be improved?,Improve the design to reduce the temperature difference in Jellyrolls,Improving the design,STAR-CCM+ Optimate+ add-on Installed as part of standard STAR-CCM+ installation Environment to setup design exploration campaigns Setup of baseline model is done within STAR-CCM+ Optimate performs the following Creates all design variants and input files Submits and monitors running jobs Collects the campaign data Post-processes the study,Improving the design,Improve the design to reduce the temperature difference in Jellyrolls Design Exploration Inputs: Channels diameter Number of transversal channels Coolant flowrate Design Exploration Objectives: Constraints Temperature difference in Jellyrolls = 2oC Minimise pressure drops in channels,Improving the design,Base Case,Improved Design,Study of battery module electro-thermal performance revealed: Significant limitation of cooling plate to ensure homogeneous temperature distribution Temperature imbalance strongly affects module electrical performance Design Exploration Study helped: Improving the base case design Revealing persisting limitation in cooling to ensure a temperature difference = 2oC Next Step: Meet the 2oC temperature difference criteria Study the heat propagation in a thermal runaway scenario,Conclusion,10.02 STAR-CCM+ and Battery Design Studio versions to be released tomorrow Wednesday 25th of Feb. New features for battery modelling are: Enhanced Post-processing Enhanced Equiva
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