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Area of Composite Wall of 3 Layers Formula

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Area of 3 Layer Wall refers to the surface area of the wall, which is the total amount of space that it occupies. It is typically measured in square units such as square feet or square meters. Check FAQs

A w3 = \frac{Q l3}{T i3 - T o3} \cdot (\frac{L 1}{k 1} + \frac{L 2}{k 2} + \frac{L 3}{k 3})

A_w3 - Area of 3 Layer Wall?Q_l3 - Heat Flow Rate 3 Layer?T_i3 - Inner Surface Temperature 3 Layer Wall?T_o3 - Outer Surface Temperature 3 Layer?L₁ - Length 1?k₁ - Thermal Conductivity 1?L₂ - Length 2?k₂ - Thermal Conductivity 2?L₃ - Length 3?k₃ - Thermal Conductivity 3?

Area of Composite Wall of 3 Layers Example

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Here is how the Area of Composite Wall of 3 Layers equation looks like with Values.

Here is how the Area of Composite Wall of 3 Layers equation looks like with Units.

Here is how the Area of Composite Wall of 3 Layers equation looks like.

1383.3333 = \frac{150}{300.75 - 300} \cdot (\frac{2}{1.6} + \frac{5}{1.2} + \frac{6}{4})

1383.3333m² = \frac{150W}{300.75K - 300K} \cdot (\frac{2m}{1.6W/(m*K)} + \frac{5m}{1.2W/(m*K)} + \frac{6m}{4W/(m*K)})

1383.3333 = \frac{150}{300.75 - 300} \cdot (\frac{2}{1.6} + \frac{5}{1.2} + \frac{6}{4})

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Area of Composite Wall of 3 Layers Solution

Follow our step by step solution on how to calculate Area of Composite Wall of 3 Layers?

FIRST Step Consider the formula

A w3 = \frac{Q l3}{T i3 - T o3} \cdot (\frac{L 1}{k 1} + \frac{L 2}{k 2} + \frac{L 3}{k 3})

Next Step Substitute values of Variables

∴

A w3 = \frac{150W}{300.75K - 300K} \cdot (\frac{2m}{1.6W/(m*K)} + \frac{5m}{1.2W/(m*K)} + \frac{6m}{4W/(m*K)})

Next Step Prepare to Evaluate

∴

A w3 = \frac{150}{300.75 - 300} \cdot (\frac{2}{1.6} + \frac{5}{1.2} + \frac{6}{4})

Next Step Evaluate

∴

A w3 = 1383.33333333333m²

LAST Step Rounding Answer

∴

A w3 = 1383.3333m²

Area of Composite Wall of 3 Layers Formula Elements

Variables

Area of 3 Layer Wall

Area of 3 Layer Wall refers to the surface area of the wall, which is the total amount of space that it occupies. It is typically measured in square units such as square feet or square meters.

Symbol: A_w3

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Area of 3 Layer Wall

Heat Flow Rate 3 Layer

Heat Flow Rate 3 Layer is the amount of heat that is transferred per unit of time in some material, usually measured in watt. Heat is the flow of thermal energy driven by thermal non-equilibrium.

Symbol: Q_l3

Measurement: PowerUnit: W

Note: Value can be positive or negative.

Formulas to find Heat Flow Rate 3 Layer

Inner Surface Temperature 3 Layer Wall

Inner Surface Temperature 3 layer wall is the temperature at the inner surface of the wall (either plane wall or cylindrical wall or spherical wall, etc).

Symbol: T_i3

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Inner Surface Temperature 3 Layer Wall

Outer Surface Temperature 3 Layer

Outer Surface Temperature 3 layer is the temperature at the outer surface of the wall either plane wall or cylindrical wall or spherical wall, etc.

Symbol: T_o3

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Outer Surface Temperature 3 Layer

Length 1

Length 1 is the length of the first body.

Symbol: L₁

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Length 1

Thermal Conductivity 1

Thermal Conductivity 1 is the thermal conductivity of the first body.

Symbol: k₁

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

Note: Value should be greater than 0.

Formulas to find Thermal Conductivity 1

Length 2

Length 2 is the length of the second body/object/section.

Symbol: L₂

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Length 2

Thermal Conductivity 2

Thermal Conductivity 2 is the thermal conductivity of the second body.

Symbol: k₂

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

Note: Value should be greater than 0.

Formulas to find Thermal Conductivity 2

Length 3

Length 3 is the length of the third body/object/section.

Symbol: L₃

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Length 3

Thermal Conductivity 3

Thermal Conductivity 3 is the thermal conductivity of the third body.

Symbol: k₃

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

Note: Value should be greater than 0.

Formulas to find Thermal Conductivity 3

Other formulas in 3 Layers category

Go Thermal Resistance of Composite Wall with 3 Layers in Series

R th3 = \frac{L 1}{k 1 \cdot A w3} + \frac{L 2}{k 2 \cdot A w3} + \frac{L 3}{k 3 \cdot A w3}

Go Outer Surface Temperature of Composite Wall of 3 Layers for Conduction

T o3 = T i3 - Q l3 \cdot (\frac{L 1}{k 1 \cdot A w3} + \frac{L 2}{k 2 \cdot A w3} + \frac{L 3}{k 3 \cdot A w3})

How to Evaluate Area of Composite Wall of 3 Layers?

Area of Composite Wall of 3 Layers evaluator uses Area of 3 Layer Wall = Heat Flow Rate 3 Layer/(Inner Surface Temperature 3 Layer Wall-Outer Surface Temperature 3 Layer)*(Length 1/Thermal Conductivity 1+Length 2/Thermal Conductivity 2+Length 3/Thermal Conductivity 3) to evaluate the Area of 3 Layer Wall, The Area of composite wall of 3 layers formula is defined as the area of the composite wall perpendicular to the heat flow required to maintain given temperature difference at the given heat flow rate, length/thickness of the layers, and thermal conductivities. . Area of 3 Layer Wall is denoted by A_w3 symbol.

How to evaluate Area of Composite Wall of 3 Layers using this online evaluator? To use this online evaluator for Area of Composite Wall of 3 Layers, enter Heat Flow Rate 3 Layer (Q_l3), Inner Surface Temperature 3 Layer Wall (T_i3), Outer Surface Temperature 3 Layer (T_o3), Length 1 (L₁), Thermal Conductivity 1 (k₁), Length 2 (L₂), Thermal Conductivity 2 (k₂), Length 3 (L₃) & Thermal Conductivity 3 (k₃) and hit the calculate button.

FAQs on Area of Composite Wall of 3 Layers

What is the formula to find Area of Composite Wall of 3 Layers?

The formula of Area of Composite Wall of 3 Layers is expressed as Area of 3 Layer Wall = Heat Flow Rate 3 Layer/(Inner Surface Temperature 3 Layer Wall-Outer Surface Temperature 3 Layer)*(Length 1/Thermal Conductivity 1+Length 2/Thermal Conductivity 2+Length 3/Thermal Conductivity 3). Here is an example- -10.453401 = 150/(300.75-300)*(2/1.6+5/1.2+6/4).

How to calculate Area of Composite Wall of 3 Layers?

With Heat Flow Rate 3 Layer (Q_l3), Inner Surface Temperature 3 Layer Wall (T_i3), Outer Surface Temperature 3 Layer (T_o3), Length 1 (L₁), Thermal Conductivity 1 (k₁), Length 2 (L₂), Thermal Conductivity 2 (k₂), Length 3 (L₃) & Thermal Conductivity 3 (k₃) we can find Area of Composite Wall of 3 Layers using the formula - Area of 3 Layer Wall = Heat Flow Rate 3 Layer/(Inner Surface Temperature 3 Layer Wall-Outer Surface Temperature 3 Layer)*(Length 1/Thermal Conductivity 1+Length 2/Thermal Conductivity 2+Length 3/Thermal Conductivity 3).

Can the Area of Composite Wall of 3 Layers be negative?

No, the Area of Composite Wall of 3 Layers, measured in Area cannot be negative.

Which unit is used to measure Area of Composite Wall of 3 Layers?

Area of Composite Wall of 3 Layers is usually measured using the Square Meter[m²] for Area. Square Kilometer[m²], Square Centimeter[m²], Square Millimeter[m²] are the few other units in which Area of Composite Wall of 3 Layers can be measured.

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Area of Composite Wall of 3 Layers Formula

Area of Composite Wall of 3 Layers Example

Area of Composite Wall of 3 Layers Solution

Area of Composite Wall of 3 Layers Formula Elements

Other formulas in 3 Layers category

How to Evaluate Area of Composite Wall of 3 Layers?

FAQs on Area of Composite Wall of 3 Layers

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