Outer Surface Temperature of Composite Wall of 2 Layers for Conduction Calculator

✖Inner Surface Temperature 2 layer wall is the temperature at the inner surface of the wall (either plane wall or cylindrical wall or spherical wall, etc).ⓘ Inner Surface Temperature 2 layer wall [T_i2]			+10% -10%
✖Heat Flow Rate 2 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.ⓘ Heat Flow Rate 2 Layer [Q_2layer]			+10% -10%
✖Length 1 is the length of the first body.ⓘ Length 1 [L₁]			+10% -10%
✖Thermal Conductivity 1 is the thermal conductivity of the first body.ⓘ Thermal Conductivity 1 [k₁]			+10% -10%
✖Area of 2 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.ⓘ Area of 2 Layer Wall [A_2wall]			+10% -10%
✖Length 2 is the length of the second body/object/section.ⓘ Length 2 [L₂]			+10% -10%
✖Thermal Conductivity 2 is the thermal conductivity of the second body.ⓘ Thermal Conductivity 2 [k₂]			+10% -10%

✖Outer Surface Temperature of 2 layer is the temperature at the outer surface of the wall either plane wall or cylindrical wall or spherical wall, etc.ⓘ Outer Surface Temperature of Composite Wall of 2 Layers for Conduction [T_o2]

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Formula

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Outer Surface Temperature of Composite Wall of 2 Layers for Conduction

Formula

`"T"_{"o2"} = "T"_{"i2"}-"Q"_{"2layer"}*("L"_{"1"}/("k"_{"1"}*"A"_{"2wall"})+"L"_{"2"}/("k"_{"2"}*"A"_{"2wall"}))`

Example

`"420K"="420.75K"-"120W"*("2m"/("1.6W/(m*K)"*"866.6667m²")+"5m"/("1.2W/(m*K)"*"866.6667m²"))`

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Outer Surface Temperature of Composite Wall of 2 Layers for Conduction Solution

STEP 0: Pre-Calculation Summary

Formula Used

Outer Surface Temperature of 2 Layer = Inner Surface Temperature 2 layer wall-Heat Flow Rate 2 Layer*(Length 1/(Thermal Conductivity 1*Area of 2 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 2 Layer Wall))
T_o2 = T_i2-Q_2layer*(L₁/(k₁*A_2wall)+L₂/(k₂*A_2wall))
This formula uses 8 Variables

Variables Used

Outer Surface Temperature of 2 Layer - (Measured in Kelvin) - Outer Surface Temperature of 2 layer is the temperature at the outer surface of the wall either plane wall or cylindrical wall or spherical wall, etc.
Inner Surface Temperature 2 layer wall - (Measured in Kelvin) - Inner Surface Temperature 2 layer wall is the temperature at the inner surface of the wall (either plane wall or cylindrical wall or spherical wall, etc).
Heat Flow Rate 2 Layer - (Measured in Watt) - Heat Flow Rate 2 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.
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.
Area of 2 Layer Wall - (Measured in Square Meter) - Area of 2 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.
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.

STEP 1: Convert Input(s) to Base Unit

Inner Surface Temperature 2 layer wall: 420.75 Kelvin --> 420.75 Kelvin No Conversion Required
Heat Flow Rate 2 Layer: 120 Watt --> 120 Watt 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
Area of 2 Layer Wall: 866.6667 Square Meter --> 866.6667 Square Meter 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

STEP 2: Evaluate Formula

Substituting Input Values in Formula

T_o2 = T_i2-Q_2layer*(L₁/(k₁*A_2wall)+L₂/(k₂*A_2wall)) --> 420.75-120*(2/(1.6*866.6667)+5/(1.2*866.6667))

Evaluating ... ...

T_o2 = 420.000000028846

STEP 3: Convert Result to Output's Unit

420.000000028846 Kelvin --> No Conversion Required

FINAL ANSWER

420.000000028846 ≈ 420 Kelvin <-- Outer Surface Temperature of 2 Layer

(Calculation completed in 00.020 seconds)

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Home » Physics » Heat and Mass Transfer » Conduction » Conduction in Plane Wall » 2 Layers » Outer Surface Temperature of Composite Wall of 2 Layers for Conduction

Credits

Created by Sai Venkata Phanindra Chary Arendra

Vallurupalli Nageswara Rao Vignana Jyothi Institute of Engineering and Technology (VNRVJIET), Hyderabad

Sai Venkata Phanindra Chary Arendra has created this Calculator and 100+ more calculators!

Verified by Vinay Mishra

Indian Institute for Aeronautical Engineering and Information Technology (IIAEIT), Pune

Vinay Mishra has verified this Calculator and 100+ more calculators!

< 8 2 Layers Calculators

Heat Flow Rate through Composite Wall of 2 Layers in Series

Go Heat Flow Rate 2 Layer = (Inner Surface Temperature 2 layer wall-Outer Surface Temperature of 2 Layer)/(Length 1/(Thermal Conductivity 1*Area of 2 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 2 Layer Wall))

Outer Surface Temperature of Composite Wall of 2 Layers for Conduction

Go Outer Surface Temperature of 2 Layer = Inner Surface Temperature 2 layer wall-Heat Flow Rate 2 Layer*(Length 1/(Thermal Conductivity 1*Area of 2 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 2 Layer Wall))

Inner Surface Temperature of Composite Wall for 2 Layers in Series

Go Inner Surface Temperature 2 layer wall = Outer Surface Temperature of 2 Layer+Heat Flow Rate 2 Layer*(Length 1/(Thermal Conductivity 1*Area of 2 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 2 Layer Wall))

Length of 2nd Layer of Composite Wall in Conduction through Walls

Go Length 2 = Thermal Conductivity 2*Area of 2 Layer Wall*((Inner Surface Temperature 2 layer wall-Outer Surface Temperature of 2 Layer)/Heat Flow Rate 2 Layer-Length 1/(Thermal Conductivity 1*Area of 2 Layer Wall))

Area of Composite Wall of 2 Layers

Go Area of 2 Layer Wall = Heat Flow Rate 2 Layer/(Inner Surface Temperature 2 layer wall-Outer Surface Temperature of 2 Layer)*(Length 1/Thermal Conductivity 1+Length 2/Thermal Conductivity 2)

Thermal Resistance of Composite Wall with 2 Layers in Series

Go Thermal Resistance of 2 Layer = Length 1/(Thermal Conductivity 1*Area of 2 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 2 Layer Wall)

Interface Temperature of Composite Wall of 2 Layers given Outer Surface Temperature

Go Temperature of Surface 2 = Outer Surface Temperature of 2 Layer+(Heat Flow Rate 2 Layer*Length 2)/(Thermal Conductivity 2*Area of 2 Layer Wall)

Interface Temperature of Composite Wall of 2 Layers given Inner Surface Temperature

Go Temperature of Surface 2 = Temperature of Surface 1-(Heat Flow Rate 2 Layer*Length 1)/(Thermal Conductivity 1*Area of 2 Layer Wall)

Outer Surface Temperature of Composite Wall of 2 Layers for Conduction Formula

What is heat flow rate?

The rate of heat flow 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,

How to Calculate Outer Surface Temperature of Composite Wall of 2 Layers for Conduction?

Outer Surface Temperature of Composite Wall of 2 Layers for Conduction calculator uses Outer Surface Temperature of 2 Layer = Inner Surface Temperature 2 layer wall-Heat Flow Rate 2 Layer*(Length 1/(Thermal Conductivity 1*Area of 2 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 2 Layer Wall)) to calculate the Outer Surface Temperature of 2 Layer, The Outer Surface Temperature of Composite Wall of 2 Layers for Conduction formula is defined as the temperature at the outer surface of the composite wall for a given rate of heat flow, inner surface temperature, length/thickness of the walls, area for heat transfer, and thermal conductivities. Outer Surface Temperature of 2 Layer is denoted by T_o2 symbol.

How to calculate Outer Surface Temperature of Composite Wall of 2 Layers for Conduction using this online calculator? To use this online calculator for Outer Surface Temperature of Composite Wall of 2 Layers for Conduction, enter Inner Surface Temperature 2 layer wall (T_i2), Heat Flow Rate 2 Layer (Q_2layer), Length 1 (L₁), Thermal Conductivity 1 (k₁), Area of 2 Layer Wall (A_2wall), Length 2 (L₂) & Thermal Conductivity 2 (k₂) and hit the calculate button. Here is how the Outer Surface Temperature of Composite Wall of 2 Layers for Conduction calculation can be explained with given input values -> 420 = 420.75-120*(2/(1.6*866.6667)+5/(1.2*866.6667)).

FAQ

What is Outer Surface Temperature of Composite Wall of 2 Layers for Conduction?

The Outer Surface Temperature of Composite Wall of 2 Layers for Conduction formula is defined as the temperature at the outer surface of the composite wall for a given rate of heat flow, inner surface temperature, length/thickness of the walls, area for heat transfer, and thermal conductivities and is represented as T_o2 = T_i2-Q_2layer*(L₁/(k₁*A_2wall)+L₂/(k₂*A_2wall)) or Outer Surface Temperature of 2 Layer = Inner Surface Temperature 2 layer wall-Heat Flow Rate 2 Layer*(Length 1/(Thermal Conductivity 1*Area of 2 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 2 Layer Wall)). Inner Surface Temperature 2 layer wall is the temperature at the inner surface of the wall (either plane wall or cylindrical wall or spherical wall, etc), Heat Flow Rate 2 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, Length 1 is the length of the first body, Thermal Conductivity 1 is the thermal conductivity of the first body, Area of 2 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, Length 2 is the length of the second body/object/section & Thermal Conductivity 2 is the thermal conductivity of the second body.

How to calculate Outer Surface Temperature of Composite Wall of 2 Layers for Conduction?

The Outer Surface Temperature of Composite Wall of 2 Layers for Conduction formula is defined as the temperature at the outer surface of the composite wall for a given rate of heat flow, inner surface temperature, length/thickness of the walls, area for heat transfer, and thermal conductivities is calculated using Outer Surface Temperature of 2 Layer = Inner Surface Temperature 2 layer wall-Heat Flow Rate 2 Layer*(Length 1/(Thermal Conductivity 1*Area of 2 Layer Wall)+Length 2/(Thermal Conductivity 2*Area of 2 Layer Wall)). To calculate Outer Surface Temperature of Composite Wall of 2 Layers for Conduction, you need Inner Surface Temperature 2 layer wall (T_i2), Heat Flow Rate 2 Layer (Q_2layer), Length 1 (L₁), Thermal Conductivity 1 (k₁), Area of 2 Layer Wall (A_2wall), Length 2 (L₂) & Thermal Conductivity 2 (k₂). With our tool, you need to enter the respective value for Inner Surface Temperature 2 layer wall, Heat Flow Rate 2 Layer, Length 1, Thermal Conductivity 1, Area of 2 Layer Wall, Length 2 & Thermal Conductivity 2 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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