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Thermal & HVAC

Thermal Resistance

Component resistance R = L / (k A) in K/W.

Thermal & HVAC

Component resistance R = L / (k A) in K/W.

App id: THERM-06. Reference version 1.0.

How to fill it

Fill the inputs. The tool shows the outputs.

On the tool screen, Calc is the working sheet. Presets stores values you reuse. Reference is the formula, assumptions, and provenance below.

Formula

R = L / (k A)

Inputs

NameUnit
Thicknessmm
Thermal conductivityW/m-K
Aream2

Outputs

NameUnit
Thermal resistance (hero result)K/W

Diagnose

This tool does not attach diagnose observations.

Assumptions

  • One-dimensional conduction through the thickness.

Provenance

  • Homogeneous layer. Parallel paths are a different calculation.

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