Conjugate Heat Transfer (CHT)
Examples
Tom Marinaccio
SVP, Worldwide Engineering Services
2
What is Conjugate Heat Transfer?
CHT (Conjugate Heat Transfer) refers to situations in which multiple modes
of heat transfer occur simultaneously.
– Simultaneous multiple heat transfer modes occur in almost all real-world
problems.
– In some cases, certain heat transfer modes can be neglected.
Conjugate Heat Transfer Mesh with Solid and Fluid
3
Solid
Fluid
A Free Convection Test Modeled as CHT
Heater (200 oC) Aluminum Plate Isolation
Conjugate Heat Transfer Mesh
Solid Fluid
Sample Free (Natural) Convection Patterns
Comparison CHT Analysis and Measurement
Temperature pattern on Al Plate
Comparison CHT Analysis and Measurement
Cylinder Head Example: Conduction, Convection, Boiling
Predicted Wall Temperatures
Hot spots on
Exhaust
Valve Bridges
CHT Analysis of Vehicle and Engine
CHT Analysis of Vehicle and Engine
CHT Analysis of Vehicle and Engine
CHT Analysis of Vehicle and Engine
Thank You
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