Area of Composite Wall of 3 Layers Solution

STEP 0: Pre-Calculation Summary
Formula Used
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)
Aw3 = Ql3/(Ti3-To3)*(L1/k1+L2/k2+L3/k3)
This formula uses 10 Variables
Variables Used
Area of 3 Layer Wall - (Measured in Square Meter) - 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.
Heat Flow Rate 3 Layer - (Measured in Watt) - 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.
Inner Surface Temperature 3 Layer Wall - (Measured in Kelvin) - 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).
Outer Surface Temperature 3 Layer - (Measured in Kelvin) - 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.
Length 1 - (Measured in Meter) - Length 1 is the length of the first body.
Thermal Conductivity 1 - (Measured in Watt per Meter per K) - Thermal Conductivity 1 is the thermal conductivity of the first body.
Length 2 - (Measured in Meter) - Length 2 is the length of the second body/object/section.
Thermal Conductivity 2 - (Measured in Watt per Meter per K) - Thermal Conductivity 2 is the thermal conductivity of the second body.
Length 3 - (Measured in Meter) - Length 3 is the length of the third body/object/section.
Thermal Conductivity 3 - (Measured in Watt per Meter per K) - Thermal Conductivity 3 is the thermal conductivity of the third body.
STEP 1: Convert Input(s) to Base Unit
Heat Flow Rate 3 Layer: 150 Watt --> 150 Watt No Conversion Required
Inner Surface Temperature 3 Layer Wall: 300.75 Kelvin --> 300.75 Kelvin No Conversion Required
Outer Surface Temperature 3 Layer: 300 Kelvin --> 300 Kelvin No Conversion Required
Length 1: 2 Meter --> 2 Meter No Conversion Required
Thermal Conductivity 1: 1.6 Watt per Meter per K --> 1.6 Watt per Meter per K No Conversion Required
Length 2: 5 Meter --> 5 Meter No Conversion Required
Thermal Conductivity 2: 1.2 Watt per Meter per K --> 1.2 Watt per Meter per K No Conversion Required
Length 3: 6 Meter --> 6 Meter No Conversion Required
Thermal Conductivity 3: 4 Watt per Meter per K --> 4 Watt per Meter per K No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Aw3 = Ql3/(Ti3-To3)*(L1/k1+L2/k2+L3/k3) --> 150/(300.75-300)*(2/1.6+5/1.2+6/4)
Evaluating ... ...
Aw3 = 1383.33333333333
STEP 3: Convert Result to Output's Unit
1383.33333333333 Square Meter --> No Conversion Required
FINAL ANSWER
1383.33333333333 1383.333 Square Meter <-- Area of 3 Layer Wall
(Calculation completed in 00.004 seconds)

Credits

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3 Layers Calculators

Heat Flow Rate through Composite Wall of 3 Layers in Series
​ LaTeX ​ Go Heat Flow Rate 3 Layer = (Inner Surface Temperature 3 Layer Wall-Outer Surface Temperature 3 Layer)/(Length 1/(Thermal Conductivity 1*Area of 3 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 3 Layer Wall)+Length 3/(Thermal Conductivity 3*Area of 3 Layer Wall))
Outer Surface Temperature of Composite Wall of 3 Layers for Conduction
​ LaTeX ​ Go Outer Surface Temperature 3 Layer = Inner Surface Temperature 3 Layer Wall-Heat Flow Rate 3 Layer*(Length 1/(Thermal Conductivity 1*Area of 3 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 3 Layer Wall)+Length 3/(Thermal Conductivity 3*Area of 3 Layer Wall))
Inner Surface Temperature of Composite Wall of 3 Layers in Series
​ LaTeX ​ Go Inner Surface Temperature 3 Layer Wall = Outer Surface Temperature 3 Layer+Heat Flow Rate 3 Layer*(Length 1/(Thermal Conductivity 1*Area of 3 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 3 Layer Wall)+Length 3/(Thermal Conductivity 3*Area of 3 Layer Wall))
Thermal Resistance of Composite Wall with 3 Layers in Series
​ LaTeX ​ Go Thermal Resistance of 3 Layer = Length 1/(Thermal Conductivity 1*Area of 3 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 3 Layer Wall)+Length 3/(Thermal Conductivity 3*Area of 3 Layer Wall)

Area of Composite Wall of 3 Layers Formula

​LaTeX ​Go
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)
Aw3 = Ql3/(Ti3-To3)*(L1/k1+L2/k2+L3/k3)

What is a composite wall?

A wall built of a combination of two or more masonry units of different types of materials that are bonded together, one forming the facing of the wall and the other the backup.

How to Calculate Area of Composite Wall of 3 Layers?

Area of Composite Wall of 3 Layers calculator 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 calculate 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 Aw3 symbol.

How to calculate Area of Composite Wall of 3 Layers using this online calculator? To use this online calculator for Area of Composite Wall of 3 Layers, enter Heat Flow Rate 3 Layer (Ql3), Inner Surface Temperature 3 Layer Wall (Ti3), Outer Surface Temperature 3 Layer (To3), 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. Here is how the Area of Composite Wall of 3 Layers calculation can be explained with given input values -> -10.453401 = 150/(300.75-300)*(2/1.6+5/1.2+6/4).

FAQ

What is Area of Composite Wall of 3 Layers?
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. and is represented as Aw3 = Ql3/(Ti3-To3)*(L1/k1+L2/k2+L3/k3) or 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). 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, 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), 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, Length 1 is the length of the first body, Thermal Conductivity 1 is the thermal conductivity of the first body, Length 2 is the length of the second body/object/section, Thermal Conductivity 2 is the thermal conductivity of the second body, Length 3 is the length of the third body/object/section & Thermal Conductivity 3 is the thermal conductivity of the third body.
How to calculate Area of Composite Wall of 3 Layers?
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. is calculated using 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 calculate Area of Composite Wall of 3 Layers, you need Heat Flow Rate 3 Layer (Ql3), Inner Surface Temperature 3 Layer Wall (Ti3), Outer Surface Temperature 3 Layer (To3), Length 1 (L1), Thermal Conductivity 1 (k1), Length 2 (L2), Thermal Conductivity 2 (k2), Length 3 (L3) & Thermal Conductivity 3 (k3). With our tool, you need to enter the respective value for 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 and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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