🔧 Cold Plate Thermal Design Calculator
Cold plate heat exchange, pump power & system thermal resistance — all-in-one engineering tool
1 Cold Plate Parameters
°C — Max allowable cold plate surface temperature
W — Total heat dissipation required
°C — Coolant entering the cold plate
°C — Surrounding air temperature
m² — Contact area with heat source
2 Fluid Properties (at 20°C ref)
Select a fluid to auto-fill properties, or choose "Custom" for manual entry
kg/(m·s)
W/(m·K)
kg/m³
J/(kg·K)
3 Heat Exchanger Parameters
CFM (air) or L/min (liq-liq)
°C/W
m²
°C — Desired return temp to cold plate
4 Pump Power Calculation
m (0.0127 = 1/2")
m — Supply + return total
deg
📋 Click to calculate
📊 Key Results
🔬 Detailed Calculation
📈 Visualization
Thermal Resistance
Temperature Profile
Energy Balance
Pressure Drop
📌 Assumptions & Notes
- Fluid properties at 20°C reference
- Bend radius Rb = 3 × pipe inner diameter
- Pump efficiency = 85% (adjustable)
- Friction factor via Colebrook-White (Swamee-Jain)
- Kinetic energy and elevation changes neglected
- Uniform cold plate surface temperature assumed