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1.
Blast furnaces are made from steel andlined with refractory bricks to keep as much heat energy in and to prevent thefurnace from melting. If the temperature within the furnace is as above, thethermal conductivity of the refractory brick is 1.4, the thermal conductivityof the steel is 43, the thickness of the protective brick lining is 1m, thethickness of the steel casing is 500mm, and the energy transferred through bothlayers is as above, calculate the temperature at the boundary of the lining andthe casing if the outside temperature of the blast furnace is 50°C.
1.
Blast furnaces are made from steel andlined with refractory bricks to keep as much heat energy in and to prevent thefurnace from melting. If the temperature within the furnace is as above, thethermal conductivity of the refractory brick is 1.4, the thermal conductivityof the steel is 43, the thickness of the protective brick lining is 1m, thethickness of the steel casing is 500mm, and the energy transferred through bothlayers is as above, calculate the temperature at the boundary of the lining andthe casing if the outside temperature of the blast furnace is 50°C.
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