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Both calculators run independently — change the inputs on either side to compare results.
Mechanical
Heat Exchanger Effectiveness Calculator
Calculate the actual heat transfer rate of a heat exchanger using the effectiveness-NTU method. Useful for sizing or evaluating shell-and-tube, plate, or counterflow heat exchangers.
Fill in the required fields to see your result.
Mechanical
Shaft Torque and Stress Calculator
Calculate the maximum torsional shear stress in a solid circular shaft given applied torque and shaft diameter. Used in mechanical design to verify shafts against yield and fatigue limits before manufacture.
Fill in the required fields to see your result.
Key differences
| Heat Exchanger Effectiveness Calculator | Shaft Torque and Stress Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 6 | 2 |
| Result | Heat Transfer Rate (W) | Maximum Shear Stress (MPa) |
| What it does | Calculate the actual heat transfer rate of a heat exchanger using the effectiveness-NTU method. Useful for sizing or evaluating shell-and-tube, plate, or counterflow heat exchangers. | Calculate the maximum torsional shear stress in a solid circular shaft given applied torque and shaft diameter. Used in mechanical design to verify shafts against yield and fatigue limits before manufacture. |