T
TonoTherm — Heat Sink Thermal Simulator
Fixed T_base · Forced / Natural / Mixed convection · Parallel thermal resistance model
Geometry
Height H mm
Length L mm
Width W mm
Base thickness b mm
Fin thickness t mm
Number of fins N
Fin spacing s mm · auto
—
s = (W − N·t)/(N−1)
Fin height Hf mm · auto
—
⚠ Invalid geometry
Material
Heat sink material
Conductivity k W/(m·K)
385
Convection Mode
Mode
Fluid
Flow rate
Fluid density ρ kg/m³
—
Boundary Conditions
Base plate temp Tbase °C
Fixed temperature at component interface
Ambient / inlet temp Tamb °C
ΔT = Tbase − Tamb
—
Cross-section (W × H plane)
Heat rejection Q
—
W
Thermal resistance
—
K / W
Outlet temp.
—
°C
Fin efficiency η
—
%
Pressure drop
—
Pa
Conv. coeff. h
—
W/(m²·K)
Detailed Results
| Parameter | Value |
|---|---|
| Heat rejection Q | — |
| Heat flux q″ | — |
| ΔT base − ambient | — |
| Total resistance Rθ | — |
| Convection resistance Rconv | — |
| Base resistance Rbase | — |
| Flow regime | — |
| Reynolds Re | — |
| Rayleigh Ras | — |
| Nusselt Nu | — |
| Hydraulic diam. Dh | — |
| Channel velocity u | — |
| Mass flow ṁ | — |
| Fin area Afin | — |
| Effective area Aeff | — |
| Mean fluid temp | — |
| Prandtl Pr | — |
| Viscosity μ | — |
| Fluid kf | — |
| Friction ΔP | — |
Ready