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!
Vinay Mishra
Indian Institute for Aeronautical Engineering and Information Technology (IIAEIT), Pune
Vinay Mishra has verified this Calculator and 100+ more calculators!

11 Other formulas that you can solve using the same Inputs

Radial Heat flowing through a cylinder
Heat=(Thermal Conductivity*2*pi*(outer radius-inner radius)*Temperature Difference*length of cylinder)/((ln(outer radius/inner radius))*(outer radius-inner radius)) GO
Heat Transfer Through Plane Wall or Surface
Heat Rate=-Thermal Conductivity*Original cross sectional area*(Outside Temperature-Inside Temperature)/Width GO
Critical Radius of Insulation of a Sphere
Critical Radius of Insulation=2*Thermal Conductivity/External convection heat transfer coefficient GO
Critical Radius of Insulation of a Cylinder
Critical Radius of Insulation=Thermal Conductivity/External convection heat transfer coefficient GO
One dimensional heat flux
Heat flux= -(Thermal Conductivity/Wall thickness)*(Temperature of wall 2-Temperature of wall 1) GO
Capacitance of a Cylindrical Capacitor
Capacitance=dielectric constant*length of cylinder/(2*[Coulomb]*(outer radius-inner radius)) GO
Prandtl Number
Prandtl number=Specific Heat Capacity*Dynamic viscosity/Thermal Conductivity GO
Thermal Diffusivity
Thermal Diffusivity=Thermal Conductivity/(Density*Specific Heat Capacity) GO
Area of the ring
Area=pi*(Outer Radius+Inner Radius)*(Outer Radius-Inner Radius) GO
Heat flux
Heat flux=Thermal Conductivity*(Temperature/Length) GO
Perimeter of a ring
Perimeter=2*pi*(Outer Radius+Inner Radius) GO

11 Other formulas that calculate the same Output

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
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
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

Thermal resistance for radial heat conduction offered by a cylinder wall Formula

Thermal resistance=ln(Outer Radius/Inner Radius)/(2*pi*Thermal Conductivity*length of cylinder)
R <sub>th=ln(R/r)/(2*pi*k*l)
More formulas
Total thermal resistance of 2 cylindrical resistances connected in series. GO
Total thermal resistance of 3 cylindrical resistances connected in series GO
Heat flow rate through a cylindrical wall GO
Thermal conductivity of a cylindrical wall for a given temperature difference GO
Length of the cylindrical wall for a given heat flow rate GO
Outer surface temperature of a cylindrical wall for a given heat flow rate GO
Inner surface temperature of a cylindrical wall for a given heat flow rate GO
Heat flow rate through a cylindrical composite wall of 2 layers GO
Outer surface temperature of the cylindrical composite wall of 2 layers GO
Heat flow rate through a cylindrical composite wall of 3 layers GO
Total thermal resistance of a cylindrical wall with convection either side GO
Convection resistance for a cylindrical layer GO
Thickness of the cylindrical wall to maintain a 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 Thermal resistance for radial heat conduction offered by a cylinder wall?

Thermal resistance for radial heat conduction offered by a cylinder wall calculator uses Thermal resistance=ln(Outer Radius/Inner Radius)/(2*pi*Thermal Conductivity*length of cylinder) to calculate the Thermal resistance, The Thermal resistance for radial heat conduction offered by a cylinder wall formula is defined as the thermal resistance offered by a cylinder for conduction of heat in the radial direction. Thermal resistance and is denoted by th symbol.

How to calculate Thermal resistance for radial heat conduction offered by a cylinder wall using this online calculator? To use this online calculator for Thermal resistance for radial heat conduction offered by a cylinder wall, enter Outer Radius (R), Inner Radius (r), Thermal Conductivity (k) and length of cylinder (l) and hit the calculate button. Here is how the Thermal resistance for radial heat conduction offered by a cylinder wall calculation can be explained with given input values -> 0.011032 = ln(0.1/0.05)/(2*pi*10*1).

FAQ

What is Thermal resistance for radial heat conduction offered by a cylinder wall?
The Thermal resistance for radial heat conduction offered by a cylinder wall formula is defined as the thermal resistance offered by a cylinder for conduction of heat in the radial direction and is represented as th=ln(R/r)/(2*pi*k*l) or Thermal resistance=ln(Outer Radius/Inner Radius)/(2*pi*Thermal Conductivity*length of cylinder). Outer Radius is the radius of the larger of the two concentric circles that form its boundary, Inner Radius of any figure is the radius of its cavity. It is the smaller radius among two concentric circles, Thermal Conductivity is the rate at which heat passes through a specified material, expressed as the amount of heat that flows per unit time through a unit area with a temperature gradient of one degree per unit distance and The length of cylinder.
How to calculate Thermal resistance for radial heat conduction offered by a cylinder wall?
The Thermal resistance for radial heat conduction offered by a cylinder wall formula is defined as the thermal resistance offered by a cylinder for conduction of heat in the radial direction is calculated using Thermal resistance=ln(Outer Radius/Inner Radius)/(2*pi*Thermal Conductivity*length of cylinder). To calculate Thermal resistance for radial heat conduction offered by a cylinder wall, you need Outer Radius (R), Inner Radius (r), Thermal Conductivity (k) and length of cylinder (l). With our tool, you need to enter the respective value for Outer Radius, Inner Radius, Thermal Conductivity and length of cylinder 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 Outer Radius, Inner Radius, Thermal Conductivity and length of cylinder. 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(radius2/radius1))/(2*pi*thermal conductivity 1*length of cylinder))+((ln(radius 3/radius2))/(2*pi*thermal conductivity 2*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))+((ln(radius4/radius 3))/(2*pi*thermal conductivity 3*length of cylinder))
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