# Calculating Thermal Conductance of Axial Cylinder

• chatterjeesin
In summary, thermal conductance is a measure of how easily heat can flow through a material, with units of watts per kelvin (W/K). It is calculated using the formula G = kA/L, where G is the conductance, k is the thermal conductivity, A is the cross-sectional area, and L is the length of the material. An axial cylinder is a long, cylindrical object used to model heat transfer, and its thermal conductance can be calculated using the formula G = 2πkL/ln(b/a), where a and b are the inner and outer radii. Various factors, such as thermal conductivity, length, area, and temperature difference, affect the thermal conductance of an axial cylinder.
chatterjeesin
How to calculate the thermal conductance ( in axial direction ) of a cylinder having length equal to its radius

hi chatterjeesin! welcome to pf!

show us what you've tried and where you're stuck, and then we'll know how to help!

## 1. What is thermal conductance?

Thermal conductance is a measure of how easily heat can flow through a material. It is the inverse of thermal resistance and is measured in units of watts per kelvin (W/K).

## 2. How is thermal conductance calculated?

The thermal conductance of a material can be calculated using the formula G = kA/L, where G is the conductance, k is the thermal conductivity of the material, A is the cross-sectional area, and L is the length of the material.

## 3. What is an axial cylinder?

An axial cylinder is a cylinder with a length that is much greater than its diameter. It is often used to model heat transfer in long, cylindrical objects such as pipes or rods.

## 4. How do you calculate the thermal conductance of an axial cylinder?

To calculate the thermal conductance of an axial cylinder, you can use the formula G = 2πkL/ln(b/a), where k is the thermal conductivity, L is the length of the cylinder, and a and b are the inner and outer radii, respectively.

## 5. What factors affect the thermal conductance of an axial cylinder?

The thermal conductance of an axial cylinder is affected by several factors, including the material's thermal conductivity, the length and cross-sectional area of the cylinder, and the temperature difference between the inside and outside of the cylinder.

Replies
16
Views
1K
Replies
8
Views
2K
Replies
7
Views
2K
Replies
7
Views
1K
Replies
4
Views
1K
Replies
1
Views
1K
Replies
4
Views
2K
Replies
5
Views
2K
Replies
5
Views
2K
Replies
2
Views
3K