TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

OVERALL HEAT TRANSFER COEFFICIENT [1 record]

Record 1 2009-02-17

English

Subject field(s)
  • Thermal Insulation
DEF

Overall coefficient of heat transmission.

CONT

U-VALUE. The overall heat transfer coefficient or thermal conductance of a building wall, floor, ceiling, roof, or other element; of piping or tubing carrying heating or cooling fluids; or of heat transfer equipment. The U-value is normally applied to a cross-section of more than one material and considers the film conductance and air. The total heat transfer can be estimated as the product of U, surface area, temperature difference, and time.

French

Domaine(s)
  • Isolation thermique
DEF

Flux de chaleur par heure et n2 traversant 1 m d'épaisseur de matériau homogène pour 1 °C de différence de température entre ses deux faces.

Spanish

Campo(s) temático(s)
  • Aislamiento térmico
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