Sphere Thermal Resistance in Conduction Formulas

Sphere thermal resistance is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow. And is denoted by R_tr. Sphere Thermal Resistance is usually measured using the Kelvin per Watt for Thermal Resistance. Note that the value of Sphere Thermal Resistance is always negative.

Formulas to find Sphere Thermal Resistance in Conduction

fxTotal Thermal Resistance of Spherical Wall with Convection on Both SideGo

fxTotal Thermal Resistance of Spherical wall of 3 Layers without ConvectionGo

List of variables in Conduction formulas

fx Radius of 1st Concentric Sphere Go

fx Inner Convection Heat Transfer Coefficient Go

fx Radius of 2nd Concentric Sphere Go

fx Thermal Conductivity Go

fx External Convection Heat Transfer Coefficient Go

fx Thermal Conductivity of 1st Body Go

fx Radius of 3rd Concentric Sphere Go

fx Thermal Conductivity of 2nd Body Go

fx Radius of 4th Concentric Sphere Go

fx Thermal Conductivity of 3rd Body Go

FAQ

What is the Sphere Thermal Resistance?

Sphere thermal resistance is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow. Sphere Thermal Resistance is usually measured using the Kelvin per Watt for Thermal Resistance. Note that the value of Sphere Thermal Resistance is always negative.

Can the Sphere Thermal Resistance be negative?

Yes, the Sphere Thermal Resistance, measured in Thermal Resistance can be negative.

What unit is used to measure Sphere Thermal Resistance?

Sphere Thermal Resistance is usually measured using the Kelvin per Watt[K/W] for Thermal Resistance. Degree Fahrenheit hour per Btu (IT)[K/W], Degree Fahrenheit Hour per Btu (th)[K/W], Kelvin per Milliwatt[K/W] are the few other units in which Sphere Thermal Resistance can be measured.

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