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Home / Questions / A thick wood slab k 017 W mK and α 1 28 10 7 m2 s that is initially at a uniform temper...

A thick wood slab k 017 W mK and α 1 28 10 7 m2 s that is initially at a uniform temperature of 25°C is exposed to hot gases at 550°C for a period of 5 min The heat transfer coefficient be

A thick wood slab (k = 0.17 W/m·K and α = 1.28 × 10-7 m2 /s) that is initially at a uniform temperature of 25°C is exposed to hot gases at 550°C for a period of 5 min. The heat transfer coefficient between the gases and the wood slab is 35 W/m2 ·K. If the ignition temperature of the wood is 450°C, determine if the wood will ignite.

 

Jul 23 2020 View more View Less

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