Quick Answer
The compute thermal resistance of a cylindrical wall for radial conduction computes r_th from the input values you provide.
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Explore ToolFusionResult Interpretation
Compute thermal resistance of a cylindrical wall for radial conduction computes r_th in K/W using the defined engineering formula and the input values provided. r_th is expressed in K/W. No universal acceptance threshold is defined by this calculator.
Worked Example
default_test
Given:
- k = 0.04
- l = 1
- r_in = 0.04
- r_out = 0.05
Expected Result:
- r_th = 0.88785998026841
Engineering Interpretation:
Under the given input conditions, the calculated result is: r_th = 0.88785998026841 K/W.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from deterministically validated test cases.
Formula / Method
r_th = log(r_out / r_in) / (2 * 3.14159265358979 * k * l)r_th.
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| r_out | r_out | INPUT | r_out |
| r_in | r_in | INPUT | r_in |
| k | k | INPUT | k |
| l | l | INPUT | l |
| r_th | r_th | OUTPUT | r_th |
Calculation Steps
- Enter the r_out in m.
- Enter the r_in in m.
- Enter the k in W/(m*K).
- Enter the l in m.
- Read the r_th (K/W) from the results.
Frequently Asked Questions
What does this calculator calculate?
The Compute thermal resistance of a cylindrical wall for radial conduction estimates r_th based on the input parameters you provide
Why is r_out important in this calculation?
r_out is used directly in the calculation of r_th. Its effect on the result depends on the complete formula and the values of the other inputs.. When you enter r_out in m, the calculator uses it in the engineering formula to compute the output
How should I interpret the result r_th?
The calculator outputs r_th in K/W. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: r_out (m), r_in (m), k (W/(m*K)), l (m). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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