Fieldeng
Thermal & HVAC

Heat Exchanger Area

A = Q / (U F ΔTlm). Leave F blank for 1.

Thermal & HVAC

A = Q / (U F ΔTlm). Leave F blank for 1.

App id: THERM-21. 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

A = Q / (U F ΔTlm)

Inputs

NameUnit
Thermal dutyW
Overall UW/m2-K
LMTDdeltaC
Correction factor F (optional)1

Outputs

NameUnit
Area (hero result)m2

Diagnose

This tool does not attach diagnose observations.

Assumptions

  • Leave F blank for 1. Does not rate a specific exchanger geometry.

Provenance

  • F corrects LMTD for arrangement. F = 1 is a pure counterflow assumption.

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