The corner shown in Figure P4 81 is initially uniform at 300 ordm C and then suddenly exposed to a convection environment at 50 ordm C with h 60 W m2 middot ordm C Assume the solid has the properties of fireclay brick Examine nodes 1, 2, 3, 4, and 5 and determine the maximum time increment which may be used for a transient numerical calculation Figure P4 81 2 cm 1 cm 1 cm

Question: The corner shown in Figure P4-81 is initially uniform at 300ºC and then suddenly exposed to a convection environment at 50ºC with h = 60

The corner shown in Figure P4-81 is initially uniform at 300ºC and then suddenly exposed to a convection environment at 50ºC with h = 60 W/m2 · ºC. Assume the solid has the properties of fireclay brick. Examine nodes 1, 2, 3, 4, and 5 and determine the maximum time increment which may be used for a transient numerical calculation.

Figure P4-81 2 cm 1 cm 1 cm

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