Chemical Engineering · Heat Transfer
What is the primary criterion for the applicability of lumped system analysis in transient heat conduction problems for slabs, cylinders, and spheres?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The Reynolds number must be greater than 1000
- 2The Fourier number must be greater than 0.2
- 3The Biot number must be less than 0.1✓
- 4The Prandtl number must be less than 1
Correct answer
The Biot number must be less than 0.1
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