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← ScienceWhich risk increases transiently when initiating Leidenfrost cooling?
A)Lower heat transfer coefficient occurs
B)Nucleate boiling region re-emergence✓
C)Stable film boiling indefinitely stalls
D)Critical heat flux initially increases
💡 Explanation
Starting Leidenfrost cooling subjects the surface briefly to nucleate boiling because local hot spots trigger bubbles, therefore, the transient return to bubbling rather than immediate film formation adds complication.
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