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Thermal Expansion - Volumetric or Cubic

Cubical expansion when changing temperature - online calculator

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volumetric temperature expansion

Specific volume of a unit can be expressed as

v = 1 / ρ = V / m         (1)

where

v = specific volume (m3/kg)

ρ = density (kg/m3)

V = volume of unit (m3)

m = mass of unit (kg)

The change in the units volume when temperature change can be expressed as

dV = V0 β (t1 - t0)          (2)

where

dV = V1 - V0 = change in volume (m3)

β = volumetric temperature expansion coefficient (m3/m3 oC)

t1 = final temperature (oC)

t0 = initial temperature (oC)

The density of a fluid when the temperature is changed can be expressed as

ρ1 = m / V0 (1 + β (t1 - t0))

    = ρ0 / (1 + β (t1 - t0))          (3)

where

ρ1 = final density (kg/m3)

ρ0 = initial density (kg/m3)

Online Thermal Cubic Expansion Calculator

V0 - initial volume (m3)

β - volumetric expansion coefficient

t0 - initial temperature (oC)

t1 - final temperature (oC)

Change in volume (dV): (m3)

Final volume (V1): (m3)

Volumetric Temperature Coefficients - β - of some common Fluids

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Related Topics

  • Heating Heating systems - capacity and design of boilers, pipelines, heat exchangers, expansion systems and more
  • Water Systems Hot and cold water systems - design properties, capacities, sizing and more
  • Thermodynamics The effects of work, heat and energy on a system

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