Water Volume Flow from Heat Load Calculator: worked example
This example is generated from PROFENG's own default input set and the implemented relationship. It is not copied from a cited publication.
Relationship
V̇ = Q/(ρcpΔT)
This calculator determines water flow from heat transfer, water density, specific heat, temperature difference. Use it for HVAC and building-services screening with transparent air, thermal or flow assumptions.
Inputs
- Heat transfer (load) = 83.72 kW
- Water density (rho) = 998 kg/m³
- Specific heat (cp) = 4.186 kJ/(kg·K)
- Temperature difference (deltaT) = 10 K
Working
(83.72)/((998)*(4.186)*(10))*3600 = 7.214 m³/h
Water flow: 7.214 m³/h
Assumptions and limits
- Air or fluid properties are represented by the entered values.
- The calculation represents steady operation unless the formula explicitly includes time.
- Room, duct or envelope geometry is idealized by the displayed relationship.
- A formula-level published source has not yet been confirmed for this exact implementation.
- Until the source is confirmed, use the displayed relationship only as a transparent screening implementation and independently check the method before engineering decisions.
Formula source and acknowledgement
Source being confirmed. No candidate title is displayed until the exact relationship is confirmed against an approved published source.
Automated verification passed – 30 September 2026 – six numerical cases checked, with dimensional checks and an independent implementation where applicable.
This worked example is for engineering screening and education. Replace defaults with traceable project data and confirm the method, assumptions, standards and equipment information before design, procurement or operation.