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

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
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
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 conductivity of the material required to maintain a given temperature difference
Thermal Conductivity=(heat flow rate*Length)/((inner surface temperature -outer surface temperature)*Area) GO
Area of the plane wall required for a given temperature difference
Area=(heat flow rate*Length)/((inner surface temperature -outer surface temperature)*Thermal Conductivity) GO
Thickness of the plane wall required for a given temperature difference
Length=((inner surface temperature -outer surface temperature)*Thermal Conductivity*Area)/heat flow rate 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
Capacitance of a Cylindrical Capacitor
Capacitance=dielectric constant*length of cylinder/(2*[Coulomb]*(outer radius-inner radius)) GO

7 Other formulas that calculate the same Output

Heat flow rate through a cylindrical composite wall of 3 layers
heat flow rate=(inner surface temperature -outer surface temperature)/(((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
Heat flow rate through a spherical composite wall of 2 layers in series
heat flow rate=(inner surface temperature -outer surface temperature)/(((1/(4*pi*thermal conductivity 1))*((1/radius1)-(1/radius2)))+((1/(4*pi*thermal conductivity 2))*((1/radius2)-(1/radius 3)))) 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
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
Heat flow rate through a cylindrical wall
heat flow rate=(inner surface temperature -outer surface temperature)/((ln(radius2/radius1))/(2*pi*Thermal Conductivity*length of cylinder)) GO
Heat flow rate through a spherical wall
heat flow rate=(inner surface temperature -outer surface temperature)/((radius2-radius1)/(4*pi*radius1*radius2*Thermal Conductivity)) GO
Heat flow required
heat flow rate=Area*Overall Heat Transfer Coefficient*Logarithmic mean temperature difference GO

Heat flow rate through a cylindrical composite wall of 2 layers Formula

heat flow rate=(inner surface temperature -outer surface temperature)/(((ln(radius2/radius1))/(2*pi*thermal conductivity 1*length of cylinder))+((ln(radius 3/radius2))/(2*pi*thermal conductivity 2*length of cylinder)))
Q=(Ti-To)/(((ln(r2/r1))/(2*pi*k1*l))+((ln(r3/r2))/(2*pi*k2*l)))
More formulas
Thermal resistance for radial heat conduction offered by a cylinder wall GO
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
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

What is Fourier's law of heat transfer?

The law of heat conduction, also known as Fourier's law, states that the rate of heat transfer through a material is proportional to the negative gradient in the temperature and to the area, at right angles to that gradient, through which the heat flows.

How to Calculate Heat flow rate through a cylindrical composite wall of 2 layers?

Heat flow rate through a cylindrical composite wall of 2 layers calculator uses heat flow rate=(inner surface temperature -outer surface temperature)/(((ln(radius2/radius1))/(2*pi*thermal conductivity 1*length of cylinder))+((ln(radius 3/radius2))/(2*pi*thermal conductivity 2*length of cylinder))) to calculate the heat flow rate, The Heat flow rate through a cylindrical composite wall of 2 layers formula is defined as the rate of heat flow through a cylindrical composite wall of 2 layers in when the inner and outer surface temperatures, thermal conductivities, length of the cylinder, and radius of each layer are known. . heat flow rate and is denoted by Q symbol.

How to calculate Heat flow rate through a cylindrical composite wall of 2 layers using this online calculator? To use this online calculator for Heat flow rate through a cylindrical composite wall of 2 layers, enter inner surface temperature (Ti), outer surface temperature (To), radius2 (r2), radius1 (r1), thermal conductivity 1 (k1), length of cylinder (l), radius 3 (r3) and thermal conductivity 2 (k2) and hit the calculate button. Here is how the Heat flow rate through a cylindrical composite wall of 2 layers calculation can be explained with given input values -> NaN = (1-1)/(((ln(1/1))/(2*pi*1*1))+((ln(1/1))/(2*pi*1*1))).

FAQ

What is Heat flow rate through a cylindrical composite wall of 2 layers?
The Heat flow rate through a cylindrical composite wall of 2 layers formula is defined as the rate of heat flow through a cylindrical composite wall of 2 layers in when the inner and outer surface temperatures, thermal conductivities, length of the cylinder, and radius of each layer are known. and is represented as Q=(Ti-To)/(((ln(r2/r1))/(2*pi*k1*l))+((ln(r3/r2))/(2*pi*k2*l))) or heat flow rate=(inner surface temperature -outer surface temperature)/(((ln(radius2/radius1))/(2*pi*thermal conductivity 1*length of cylinder))+((ln(radius 3/radius2))/(2*pi*thermal conductivity 2*length of cylinder))). Inner surface temperature is the temperature at the inner surface of the wall (either plane wall or cylindrical wall or spherical wall, etc.), outer surface temperature is the temperature at the outer surface of the wall (either plane wall or cylindrical wall or spherical wall, etc.) , 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, The length of cylinder, 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 and Thermal conductivity 2 is the thermal conductivity of the second body .
How to calculate Heat flow rate through a cylindrical composite wall of 2 layers?
The Heat flow rate through a cylindrical composite wall of 2 layers formula is defined as the rate of heat flow through a cylindrical composite wall of 2 layers in when the inner and outer surface temperatures, thermal conductivities, length of the cylinder, and radius of each layer are known. is calculated using heat flow rate=(inner surface temperature -outer surface temperature)/(((ln(radius2/radius1))/(2*pi*thermal conductivity 1*length of cylinder))+((ln(radius 3/radius2))/(2*pi*thermal conductivity 2*length of cylinder))). To calculate Heat flow rate through a cylindrical composite wall of 2 layers, you need inner surface temperature (Ti), outer surface temperature (To), radius2 (r2), radius1 (r1), thermal conductivity 1 (k1), length of cylinder (l), radius 3 (r3) and thermal conductivity 2 (k2). With our tool, you need to enter the respective value for inner surface temperature , outer surface temperature, radius2, radius1, thermal conductivity 1, length of cylinder, radius 3 and thermal conductivity 2 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 heat flow rate?
In this formula, heat flow rate uses inner surface temperature , outer surface temperature, radius2, radius1, thermal conductivity 1, length of cylinder, radius 3 and thermal conductivity 2. We can use 7 other way(s) to calculate the same, which is/are as follows -
  • heat flow rate=(inner surface temperature -outer surface temperature)/((length 1/(thermal conductivity 1*Area))+(length 2/(thermal conductivity 2*Area)))
  • 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)))
  • heat flow rate=(inner surface temperature -outer surface temperature)/((ln(radius2/radius1))/(2*pi*Thermal Conductivity*length of cylinder))
  • heat flow rate=(inner surface temperature -outer surface temperature)/(((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)))
  • heat flow rate=(inner surface temperature -outer surface temperature)/((radius2-radius1)/(4*pi*radius1*radius2*Thermal Conductivity))
  • heat flow rate=(inner surface temperature -outer surface temperature)/(((1/(4*pi*thermal conductivity 1))*((1/radius1)-(1/radius2)))+((1/(4*pi*thermal conductivity 2))*((1/radius2)-(1/radius 3))))
  • heat flow rate=Area*Overall Heat Transfer Coefficient*Logarithmic mean temperature difference
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