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Consider a horizontal plate of 0.7 m width and 0.85 m length in a room at...

Consider a horizontal plate of 0.7 m width and 0.85 m length in a room at 30 ° C.
The bottom surface of the plate is kept at 0 ° C while the top surface is insulated. What is the natural heat transfer rate from the air in the room to the plate?

(For k 0.02476 W / m • "C. Pr = 0.7323, v = 1.47x105 m / 5.

Arnica Nu-0.15Ra relation can be applied.)

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