Total thermal resistance of a spherical wall of 3 layers without convection Calculator

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✖radius2 is the radius of the second concentric circle or circle.ⓘ radius2 [r2]			+10% -10%
✖Radius1 is the distance from the centre of the concentric circles to any point on the first/smallest concentric circle or the radius of the first circle.ⓘ radius1 [r1]			+10% -10%
✖Thermal conductivity 1 is the thermal conductivity of the first bodyⓘ thermal conductivity 1 [k1]			+10% -10%
✖radius 3 is the distance from the centre of the concentric circles to any point on the third concentric circle or radius of the third circle.ⓘ radius 3 [r3]			+10% -10%
✖Thermal conductivity 2 is the thermal conductivity of the second body ⓘ thermal conductivity 2 [k2]			+10% -10%
✖radius4 is the radius of a fourth concentric circle or fourth circleⓘ radius4 [r4]			+10% -10%
✖Thermal conductivity 3 is the thermal conductivity of the third body ⓘ thermal conductivity 3 [k3]			+10% -10%

✖Thermal resistance is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow. Thermal resistance is the reciprocal of thermal conductance. thermal resistance R in kelvins per watt is a property of a particular component.ⓘ Total thermal resistance of a spherical wall of 3 layers without convection [R _th]

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Total thermal resistance of a spherical wall of 3 layers without convection

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 50+ more calculators!

Maiarutselvan V

PSG College of Technology (PSGCT), Coimbatore

Maiarutselvan V has verified this Calculator and 200+ more calculators!

< 11 Other formulas that you can solve using the same Inputs

Total thermal resistance of 3 cylindrical resistances connected in series

Thermal resistance=((ln(radius2/radius1))/(2*pi*thermal conductivity 1*length of cylinder))+((ln(radius 3/radius2))/(2*pi*thermal conductivity 2*length of cylinder))+((ln(radius4/radius 3))/(2*pi*thermal conductivity 3*length of cylinder)) GO

Outer surface temperature of a composite wall of 3 layers for a given heat flow rate

outer surface temperature=inner surface temperature -(heat flow rate*((length 1/(thermal conductivity 1*Area))+(length 2/(thermal conductivity 2*Area))+(length 3/(thermal conductivity 3*Area)))) GO

Length of the 3rd layer of the composite wall for a given temperature difference

length 3=(thermal conductivity 3*Area)*(((inner surface temperature -outer surface temperature)/heat flow rate)-(length 1/(thermal conductivity 1*Area))-(length 2/(thermal conductivity 2*Area))) GO

Heat flow rate through a composite wall of 3 layers in series

heat flow rate=(inner surface temperature -outer surface temperature)/((length 1/(thermal conductivity 1*Area))+(length 2/(thermal conductivity 2*Area))+(length 3/(thermal conductivity 3*Area))) GO

Total thermal resistance of 2 cylindrical resistances connected in series.

Thermal resistance=((ln(radius2/radius1))/(2*pi*thermal conductivity 1*length of cylinder))+((ln(radius 3/radius2))/(2*pi*thermal conductivity 2*length of cylinder)) GO

Outer surface temperature of a composite wall of 2 layers for a given heat flow rate

outer surface temperature=inner surface temperature -(heat flow rate*((length 1/(thermal conductivity 1*Area))+(length 2/(thermal conductivity 2*Area)))) GO

Length of the 2nd layer of the composite wall for a given temperature difference

length 2=(thermal conductivity 2*Area)*(((inner surface temperature -outer surface temperature)/heat flow rate)-(length 1/(thermal conductivity 1*Area))) GO

Heat flow rate through a composite wall of 2 layers in series

heat flow rate=(inner surface temperature -outer surface temperature)/((length 1/(thermal conductivity 1*Area))+(length 2/(thermal conductivity 2*Area))) GO

Thermal resistance of a composite wall with 3 layers in series

Thermal resistance=(length 1/(thermal conductivity 1*Area))+(length 2/(thermal conductivity 2*Area))+(length 3/(thermal conductivity 3*Area)) GO

Thermal resistance for conduction through 2 resistances in parallel

Thermal resistance=(Length)/((thermal conductivity 1*Cross Sectional area 1)+(thermal conductivity 2*Cross-Sectional area at a point 2)) GO

Thermal resistance of a composite wall with 2 layers in series

Thermal resistance=(length 1/(thermal conductivity 1*Area))+(length 2/(thermal conductivity 2*Area)) GO

< 11 Other formulas that calculate the same Output

Total thermal resistance of 2 cylindrical resistances connected in series.

Thermal resistance=((ln(radius2/radius1))/(2*pi*thermal conductivity 1*length of cylinder))+((ln(radius 3/radius2))/(2*pi*thermal conductivity 2*length of cylinder)) GO

Thermal resistance of a composite wall with 3 layers in series

Thermal resistance=(length 1/(thermal conductivity 1*Area))+(length 2/(thermal conductivity 2*Area))+(length 3/(thermal conductivity 3*Area)) GO

Thermal resistance for conduction through 2 resistances in parallel

Thermal resistance=(Length)/((thermal conductivity 1*Cross Sectional area 1)+(thermal conductivity 2*Cross-Sectional area at a point 2)) GO

Total thermal resistance for conduction through two resistances in parallel

Thermal resistance=(thermal resistance 1*thermal resistance 2)/(thermal resistance 1+thermal resistance 2) GO

Thermal resistance of a composite wall with 2 layers in series

Thermal resistance=(length 1/(thermal conductivity 1*Area))+(length 2/(thermal conductivity 2*Area)) GO

Thermal resistance for radial heat conduction offered by a cylinder wall

Thermal resistance=ln(Outer Radius/Inner Radius)/(2*pi*Thermal Conductivity*length of cylinder) GO

Total thermal resistance for conduction through three resistances in series

Thermal resistance=thermal resistance 1+thermal resistance 2+thermal resistance 3 GO

Thermal Resistance of a wall

Thermal resistance=Length/(Thermal Conductivity*Cross sectional area) GO

Total thermal resistance for conduction through two resistances in series

Thermal resistance=thermal resistance 1+thermal resistance 2 GO

Total thermal resistance for conduction through two resistances in series

Thermal resistance=thermal resistance 1+thermal resistance 2 GO

Thermal resistance in convection heat transfer

Thermal resistance=1/(Area*Heat transfer coefficient) GO

Total thermal resistance of a spherical wall of 3 layers without convection Formula

Thermal resistance=((radius2-radius1)/(4*pi*radius1*radius2*thermal conductivity 1))+((radius 3-radius2)/(4*pi*radius2*radius 3*thermal conductivity 2))+((radius4-radius 3)/(4*pi*radius 3*radius4*thermal conductivity 3))
R <sub>th=((r2-r1)/(4*pi*r1*r2*k1))+((r3-r2)/(4*pi*r2*r3*k2))+((r4-r3)/(4*pi*r3*r4*k3))

More formulas

Thermal resistance of a spherical wall GO

Heat flow rate through a spherical wall GO

Total thermal resistance of a spherical wall with convection on either side GO

Convection resistance for a spherical layer GO

Total thermal resistance of a spherical wall of 2 layers without convection GO

Heat flow rate through a spherical composite wall of 2 layers in series GO

Thermal resistance of a spherical composite wall of 2 layers in series with convection GO

Outer surface temperature of a spherical wall GO

Inner surface temperature of a spherical wall GO

Thickness of the spherical wall to maintain given temperature difference GO

What is 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. Thermal resistance is the reciprocal of thermal conductance.

How to Calculate Total thermal resistance of a spherical wall of 3 layers without convection?

Total thermal resistance of a spherical wall of 3 layers without convection calculator uses Thermal resistance=((radius2-radius1)/(4*pi*radius1*radius2*thermal conductivity 1))+((radius 3-radius2)/(4*pi*radius2*radius 3*thermal conductivity 2))+((radius4-radius 3)/(4*pi*radius 3*radius4*thermal conductivity 3)) to calculate the Thermal resistance, The Total thermal resistance of a spherical wall of 3 layers without convection formula is the total thermal resistance of a spherical composite wall of 3 layers in series. Thermal resistance and is denoted by R _th symbol.

How to calculate Total thermal resistance of a spherical wall of 3 layers without convection using this online calculator? To use this online calculator for Total thermal resistance of a spherical wall of 3 layers without convection, enter radius2 (r2), radius1 (r1), thermal conductivity 1 (k1), radius 3 (r3), thermal conductivity 2 (k2), radius4 (r4) and thermal conductivity 3 (k3) and hit the calculate button. Here is how the Total thermal resistance of a spherical wall of 3 layers without convection calculation can be explained with given input values -> 0 = ((1-1)/(4*pi*1*1*1))+((1-1)/(4*pi*1*1*1))+((1-1)/(4*pi*1*1*1)).

FAQ

What is Total thermal resistance of a spherical wall of 3 layers without convection?

The Total thermal resistance of a spherical wall of 3 layers without convection formula is the total thermal resistance of a spherical composite wall of 3 layers in series and is represented as R _{th=((r2-r1)/(4*pi*r1*r2*k1))+((r3-r2)/(4*pi*r2*r3*k2))+((r4-r3)/(4*pi*r3*r4*k3))} or Thermal resistance=((radius2-radius1)/(4*pi*radius1*radius2*thermal conductivity 1))+((radius 3-radius2)/(4*pi*radius2*radius 3*thermal conductivity 2))+((radius4-radius 3)/(4*pi*radius 3*radius4*thermal conductivity 3)). radius2 is the radius of the second concentric circle or circle, Radius1 is the distance from the centre of the concentric circles to any point on the first/smallest concentric circle or the radius of the first circle, Thermal conductivity 1 is the thermal conductivity of the first body, radius 3 is the distance from the centre of the concentric circles to any point on the third concentric circle or radius of the third circle, Thermal conductivity 2 is the thermal conductivity of the second body , radius4 is the radius of a fourth concentric circle or fourth circle and Thermal conductivity 3 is the thermal conductivity of the third body .

How to calculate Total thermal resistance of a spherical wall of 3 layers without convection?

The Total thermal resistance of a spherical wall of 3 layers without convection formula is the total thermal resistance of a spherical composite wall of 3 layers in series is calculated using Thermal resistance=((radius2-radius1)/(4*pi*radius1*radius2*thermal conductivity 1))+((radius 3-radius2)/(4*pi*radius2*radius 3*thermal conductivity 2))+((radius4-radius 3)/(4*pi*radius 3*radius4*thermal conductivity 3)). To calculate Total thermal resistance of a spherical wall of 3 layers without convection, you need radius2 (r2), radius1 (r1), thermal conductivity 1 (k1), radius 3 (r3), thermal conductivity 2 (k2), radius4 (r4) and thermal conductivity 3 (k3). With our tool, you need to enter the respective value for radius2, radius1, thermal conductivity 1, radius 3, thermal conductivity 2, radius4 and thermal conductivity 3 and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Thermal resistance?

In this formula, Thermal resistance uses radius2, radius1, thermal conductivity 1, radius 3, thermal conductivity 2, radius4 and thermal conductivity 3. We can use 11 other way(s) to calculate the same, which is/are as follows -

Thermal resistance=1/(Area*Heat transfer coefficient)
Thermal resistance=Length/(Thermal Conductivity*Cross sectional area)
Thermal resistance=(length 1/(thermal conductivity 1*Area))+(length 2/(thermal conductivity 2*Area))
Thermal resistance=(length 1/(thermal conductivity 1*Area))+(length 2/(thermal conductivity 2*Area))+(length 3/(thermal conductivity 3*Area))
Thermal resistance=thermal resistance 1+thermal resistance 2+thermal resistance 3
Thermal resistance=thermal resistance 1+thermal resistance 2
Thermal resistance=thermal resistance 1+thermal resistance 2
Thermal resistance=(thermal resistance 1*thermal resistance 2)/(thermal resistance 1+thermal resistance 2)
Thermal resistance=(Length)/((thermal conductivity 1*Cross Sectional area 1)+(thermal conductivity 2*Cross-Sectional area at a point 2))
Thermal resistance=ln(Outer Radius/Inner Radius)/(2*pi*Thermal Conductivity*length of cylinder)
Thermal resistance=((ln(radius2/radius1))/(2*pi*thermal conductivity 1*length of cylinder))+((ln(radius 3/radius2))/(2*pi*thermal conductivity 2*length of cylinder))

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