IGBT heat sink Simulation module & Simulation Results
IGBT heat sink Fundamental Specification
Ambient temperature : 40℃
Analysis of customer supply model
IGBT heat sink material：AL6061- T6
Fin：zipper fin
Fin Material : AL 1050
Use 5 heat pipes
The heat pipe is sandwiched between fin sheet and bottom plate
heat sink size: 512X230X125mm
FIN thickness : 0.6mm ,total 166 ps
Fan specifications：SANYO 9G1212HG105 12CM 12V 0.98A , 4pcs fans
Air volume：135CFM
Wind pressure：125PA
The model was placed 3cm away from the discrete hot body
Heat value of heat source：3900w
Two fin design structures ：Open and close
IGBT heat sink fan specifications
IGBT heat sink simulated test model"
3900W heat source
IGBT heat sink simulated test model
Open
IGBT heat sink simulated test model
Close
IGBT heat sink thermal analysis result(fin open)
Flow model : Turbulent (zero-equation)
IGBT heat sink thermal analysis result(fin open)
Flow model : Turbulent (zero-equation)
Highest temperature of heating body: 123 ℃ (for reference only, please use actual measurement)
IGBT heat sink thermal analysis result(fin close)
Flow model : Turbulent (zero-equation)
The heatsink temperature distribution is up to 119 ℃
Conclusion:
Ambient temperature : 40℃
Maximum temperature of IGBT heat sink (fin open)：121 ℃
Maximum temperature of IGBT heat sink (fin close)：119 ℃
Heat pipe suitable for above 100 ℃ high temperature should be selected, otherwise the heat pipe may burn out.
The highest temperature below 125 ℃ is required by the customer.
IGBT heat sink thermal analysis result(fin open)
Flow model : Turbulent (zero-equation)
heatsink temperature distribution up to 121 ℃
IGBT heat sink thermal analysis result(fin close)
Flow model : Turbulent (zero-equation)
IGBT heat sink thermal analysis result(fin close)
Flow model : Turbulent (zero-equation)
Maximum high temperature of heating body: 121 ℃ (for reference only, please use actual measurement as main)
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