Steel (AISI 1010) plates of thickness 8 = 6 mm and d length L = 1 m on a side are conveyed from a heat treat- ment process and are concurrently cooled by atmospheric air of velocity u.= 10 m/s and T. = 20°C in parallel flow over the plates. Air Ti T loo, T Conveyor 8 I L For an initial plate temperature of T₁ = 300°C, what is the rate of heat transfer from the plate? What is the cor- responding rate of change of the plate temperature? The velocity of the air is much larger than that of the plate.

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Author:Kreith, Frank; Manglik, Raj M.
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Chapter5: Analysis Of Convection Heat Transfer
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Steel (AISI 1010) plates of thickness 8 = 6 mm and
length L = 1 m on a side are conveyed from a heat treat-
ment process and are concurrently cooled by atmospheric
air of velocity u. = 10 m/s and T = 20°C in parallel flow
over the plates.
Ti
17
→ 8
Conveyor
Air Uoor Too
L
For an initial plate temperature of T; = 300°C, what is
the rate of heat transfer from the plate? What is the cor-
responding rate of change of the plate temperature? The
velocity of the air is much larger than that of the plate.
Transcribed Image Text:Steel (AISI 1010) plates of thickness 8 = 6 mm and length L = 1 m on a side are conveyed from a heat treat- ment process and are concurrently cooled by atmospheric air of velocity u. = 10 m/s and T = 20°C in parallel flow over the plates. Ti 17 → 8 Conveyor Air Uoor Too L For an initial plate temperature of T; = 300°C, what is the rate of heat transfer from the plate? What is the cor- responding rate of change of the plate temperature? The velocity of the air is much larger than that of the plate.
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