Under-hood Thermal Modeling

Jul 26, 2014

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Under-hood Thermal Modeling. Side View. Hood. Under-hood Temp ( Th ) . Firewall. Cab Floor. Under-hood Air Speed ( Vh ). Ambient Temp (Ta). Vehicle Speed ( Vs ). Radiator (Heat Generator) Hr. Fan (Air Mover ) Vf. Engine (200F Heat Source/Sink ) He. Transmission

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Under-hood Thermal Modeling

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Under-hood Thermal Modeling
Side View Hood Under-hood Temp (Th) Firewall Cab Floor Under-hood Air Speed (Vh) Ambient Temp (Ta) Vehicle Speed (Vs) Radiator (Heat Generator) Hr Fan (Air Mover) Vf Engine (200F Heat Source/Sink) He Transmission (Heat Generator) Ht Bumper Road
Top View Hood Cab
Relationships Vh = c1*Vs + c2*Vf Th = Ta + c3*Vh*Hr + c4*Vh*(Th-Te) + c5*Vh*Ht