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Outside Heat Transfer Coefficient given Thermal Resistance Formula

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External Convection Heat Transfer Coefficient is the proportionality constant between the heat flux and the thermodynamic driving force for the flow of heat in case of convective heat transfer. Check FAQs

h outside = \frac{1}{R th \cdot A outside}

h_outside - External Convection Heat Transfer Coefficient?R_th - Thermal Resistance?A_outside - Outside Area?

Outside Heat Transfer Coefficient given Thermal Resistance Example

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Here is how the Outside Heat Transfer Coefficient given Thermal Resistance equation looks like with Values.

Here is how the Outside Heat Transfer Coefficient given Thermal Resistance equation looks like with Units.

Here is how the Outside Heat Transfer Coefficient given Thermal Resistance equation looks like.

10.1215 = \frac{1}{5.2 \cdot 0.019}

10.1215W/m²*K = \frac{1}{5.2K/W \cdot 0.019m²}

10.1215 = \frac{1}{5.2 \cdot 0.019}

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Outside Heat Transfer Coefficient given Thermal Resistance Solution

Follow our step by step solution on how to calculate Outside Heat Transfer Coefficient given Thermal Resistance?

FIRST Step Consider the formula

h outside = \frac{1}{R th \cdot A outside}

Next Step Substitute values of Variables

∴

h outside = \frac{1}{5.2K/W \cdot 0.019m²}

Next Step Prepare to Evaluate

∴

h outside = \frac{1}{5.2 \cdot 0.019}

Next Step Evaluate

∴

h outside = 10.1214574898785W/m²*K

LAST Step Rounding Answer

∴

h outside = 10.1215W/m²*K

Outside Heat Transfer Coefficient given Thermal Resistance Formula Elements

Variables

External Convection Heat Transfer Coefficient

External Convection Heat Transfer Coefficient is the proportionality constant between the heat flux and the thermodynamic driving force for the flow of heat in case of convective heat transfer.

Symbol: h_outside

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value should be greater than 0.

Formulas to find External Convection Heat Transfer Coefficient

Thermal Resistance

Thermal resistance is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow.

Symbol: R_th

Measurement: Thermal ResistanceUnit: K/W

Note: Value can be positive or negative.

Formulas to find Thermal Resistance

Outside Area

Outside Area is the space outside the shape. It's a measure of 2-D space, and the units for area are squared ("length squared").

Symbol: A_outside

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Outside Area

Other formulas in Thermal Resistance category

Go Biot Number using Characteristic Length

Bi = \frac{h transfer \cdot L char}{k fin}

Go Correction Length for Cylindrical Fin with Non-Adiabatic Tip

L cylindrical = L fin + (\frac{d fin}{4})

Go Correction Length for Square Fin with Non-Adiabatic Tip

L sqaure = L fin + (\frac{w fin}{4})

Go Correction Length for Thin Rectangular Fin with Non-Adiabatic Tip

L rectangular = L fin + (\frac{t fin}{2})

How to Evaluate Outside Heat Transfer Coefficient given Thermal Resistance?

Outside Heat Transfer Coefficient given Thermal Resistance evaluator uses External Convection Heat Transfer Coefficient = 1/(Thermal Resistance*Outside Area) to evaluate the External Convection Heat Transfer Coefficient, The Outside Heat Transfer Coefficient given Thermal Resistance formula is defined as the reciprocal of product of thermal resistance and outside area. External Convection Heat Transfer Coefficient is denoted by h_outside symbol.

How to evaluate Outside Heat Transfer Coefficient given Thermal Resistance using this online evaluator? To use this online evaluator for Outside Heat Transfer Coefficient given Thermal Resistance, enter Thermal Resistance (R_th) & Outside Area (A_outside) and hit the calculate button.

FAQs on Outside Heat Transfer Coefficient given Thermal Resistance

What is the formula to find Outside Heat Transfer Coefficient given Thermal Resistance?

The formula of Outside Heat Transfer Coefficient given Thermal Resistance is expressed as External Convection Heat Transfer Coefficient = 1/(Thermal Resistance*Outside Area). Here is an example- 10.12146 = 1/(5.2*0.019).

How to calculate Outside Heat Transfer Coefficient given Thermal Resistance?

With Thermal Resistance (R_th) & Outside Area (A_outside) we can find Outside Heat Transfer Coefficient given Thermal Resistance using the formula - External Convection Heat Transfer Coefficient = 1/(Thermal Resistance*Outside Area).

Can the Outside Heat Transfer Coefficient given Thermal Resistance be negative?

No, the Outside Heat Transfer Coefficient given Thermal Resistance, measured in Heat Transfer Coefficient cannot be negative.

Which unit is used to measure Outside Heat Transfer Coefficient given Thermal Resistance?

Outside Heat Transfer Coefficient given Thermal Resistance is usually measured using the Watt per Square Meter per Kelvin[W/m²*K] for Heat Transfer Coefficient. Watt per Square Meter per Celcius[W/m²*K], Joule per Second per Square Meter per Kelvin[W/m²*K], Kilocalorie (IT) per Hour per Square Foot per Celcius[W/m²*K] are the few other units in which Outside Heat Transfer Coefficient given Thermal Resistance can be measured.

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