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Heat Transfer According to Fourier's Law Formula

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Heat Flow Through a Body refers to the transfer of thermal energy from regions of higher temperature to regions of lower temperature per unit time within the body. Check FAQs

Q c = - (k \cdot A s \cdot \frac{ΔT}{L})

Q_c - Heat Flow Through a Body?k - Thermal Conductivity of Material?A_s - Surface Area of Heat Flow?ΔT - Temperature Difference?L - Thickness of The Body?

Heat Transfer According to Fourier's Law Example

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Here is how the Heat Transfer According to Fourier's Law equation looks like with Values.

Here is how the Heat Transfer According to Fourier's Law equation looks like with Units.

Here is how the Heat Transfer According to Fourier's Law equation looks like.

44.1788 = - (9.35 \cdot 4.5 \cdot \frac{-105}{100})

44.1788W = - (9.35W/(m*K) \cdot 4.5m² \cdot \frac{-105K}{100m})

44.1788 = - (9.35 \cdot 4.5 \cdot \frac{-105}{100})

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Heat Transfer According to Fourier's Law Solution

Follow our step by step solution on how to calculate Heat Transfer According to Fourier's Law?

FIRST Step Consider the formula

Q c = - (k \cdot A s \cdot \frac{ΔT}{L})

Next Step Substitute values of Variables

∴

Q c = - (9.35W/(m*K) \cdot 4.5m² \cdot \frac{-105K}{100m})

Next Step Prepare to Evaluate

∴

Q c = - (9.35 \cdot 4.5 \cdot \frac{-105}{100})

Next Step Evaluate

∴

Q c = 44.17875W

LAST Step Rounding Answer

∴

Q c = 44.1788W

Heat Transfer According to Fourier's Law Formula Elements

Variables

Heat Flow Through a Body

Heat Flow Through a Body refers to the transfer of thermal energy from regions of higher temperature to regions of lower temperature per unit time within the body.

Symbol: Q_c

Measurement: PowerUnit: W

Note: Value can be positive or negative.

Formulas to find Heat Flow Through a Body

Thermal Conductivity of Material

Thermal Conductivity of Material is the measure of the ease at which an electric charge or heat can pass through a material.

Symbol: k

Measurement: Thermal ConductivityUnit: W/(m*K)

Note: Value should be greater than 0.

Formulas to find Thermal Conductivity of Material

Surface Area of Heat Flow

Surface Area of Heat Flow can be referred as the area perpendicular to heat flow.

Symbol: A_s

Measurement: AreaUnit: m²

Note: Value can be positive or negative.

Formulas to find Surface Area of Heat Flow

Temperature Difference

Temperature Difference is the measure of the hotness or the coldness of an object.

Symbol: ΔT

Measurement: Temperature DifferenceUnit: K

Note: Value can be positive or negative.

Formulas to find Temperature Difference

Thickness of The Body

The thickness of the body or sample is the distance measured on a path parallel to the heat flow.

Symbol: L

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Thickness of The Body

Other formulas in Conduction, Convection and Radiation category

Go Newton's Law of Cooling

q = h t \cdot (T w - T f)

Go Heat Flux

q = k o \cdot \frac{T}{l}

Go Heat Transfer

Q h = \frac{T vd}{R th}

Go One Dimensional Heat Flux

q = - \frac{k o}{t} \cdot (T w2 - T w1)

How to Evaluate Heat Transfer According to Fourier's Law?

Heat Transfer According to Fourier's Law evaluator uses Heat Flow Through a Body = -(Thermal Conductivity of Material*Surface Area of Heat Flow*Temperature Difference/Thickness of The Body) to evaluate the Heat Flow Through a Body, Heat Transfer according to Fourier's Law states that the negative gradient of temperature and the time rate of heat transfer is proportional to the area at right angles of that gradient through which the heat flows. Heat Flow Through a Body is denoted by Q_c symbol.

How to evaluate Heat Transfer According to Fourier's Law using this online evaluator? To use this online evaluator for Heat Transfer According to Fourier's Law, enter Thermal Conductivity of Material (k), Surface Area of Heat Flow (A_s), Temperature Difference (ΔT) & Thickness of The Body (L) and hit the calculate button.

FAQs on Heat Transfer According to Fourier's Law

What is the formula to find Heat Transfer According to Fourier's Law?

The formula of Heat Transfer According to Fourier's Law is expressed as Heat Flow Through a Body = -(Thermal Conductivity of Material*Surface Area of Heat Flow*Temperature Difference/Thickness of The Body). Here is an example- 48.10976 = -(10.18*0.1314747*(-105)/2.92166).

How to calculate Heat Transfer According to Fourier's Law?

With Thermal Conductivity of Material (k), Surface Area of Heat Flow (A_s), Temperature Difference (ΔT) & Thickness of The Body (L) we can find Heat Transfer According to Fourier's Law using the formula - Heat Flow Through a Body = -(Thermal Conductivity of Material*Surface Area of Heat Flow*Temperature Difference/Thickness of The Body).

Can the Heat Transfer According to Fourier's Law be negative?

Yes, the Heat Transfer According to Fourier's Law, measured in Power can be negative.

Which unit is used to measure Heat Transfer According to Fourier's Law?

Heat Transfer According to Fourier's Law is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Heat Transfer According to Fourier's Law can be measured.

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Heat Transfer According to Fourier's Law Formula

Heat Transfer According to Fourier's Law Example

Heat Transfer According to Fourier's Law Solution

Heat Transfer According to Fourier's Law Formula Elements

Other formulas in Conduction, Convection and Radiation category

How to Evaluate Heat Transfer According to Fourier's Law?

FAQs on Heat Transfer According to Fourier's Law

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