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Thermal Resistance

Thermal Resistance. Thermal Resistance. Opposition to the flow of heat. dependant on the thermal conductivity of a material. High thermal conductivity yields low thermal resistance. Thermal Resistance. Pressure drop (  P). R fluid =. Volume flow rate (Q v ). Thermal Resistance.

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Thermal Resistance

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  1. Thermal Resistance

  2. Thermal Resistance • Opposition to the flow of heat. • dependant on the thermal conductivity of a material. • High thermal conductivity yields low thermal resistance

  3. Thermal Resistance Pressure drop (P) Rfluid = Volume flow rate (Qv)

  4. Thermal Resistance -k A T Qv= x -T x Rthermal = = Qv k A

  5. Resistance in Series • Same as electrical resistance in series. • Total resistance is sum of individual resistances • P.221

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