Calculate the rate of heat loss through the vertical walls of a boiler furnace of size 4 m by 3 m by 3 m high. The walls are constructed from an inner fire brick wall 25 cm thick of thermal conductivity 0.4 W/mK, a layer of ceramic blanket insulation of thermal conductivity 0.2 W/mK and 8 cm thick, and a steel protective layer of thermal conductivity 55 W/mK and 2 mm thick. The inside temperature of the fire brick layer was measured at 600° C and the temperature of the outside of the insulation 60° C. Also find the interface temperature of layers. 12m
Calculate the rate of heat loss through the vertical walls of a boiler furnace of size 4 m by 3 m by 3 m high. The walls are constructed from an inner fire brick wall 25 cm thick of thermal conductivity 0.4 W/mK, a layer of ceramic blanket insulation of thermal conductivity 0.2 W/mK and 8 cm thick, and a steel protective layer of thermal conductivity 55 W/mK and 2 mm thick. The inside temperature of the fire brick layer was measured at 600° C and the temperature of the outside of the insulation 60° C. Also find the interface temperature of layers. 12m
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Transcribed Image Text:2. Calculate the rate of heat loss through the vertical walls of a boiler furnace of size 4 m by
3 m by 3 m high. The walls are constructed from an inner fire brick wall 25 cm thick of
thermal conductivity 0.4 W/mK, a layer of ceramic blanket insulation of thermal
conductivity 0.2 W/mK and 8 cm thick, and a steel protective layer of thermal
conductivity 55 W/mK and 2 mm thick. The inside temperature of the fire brick layer was
measured at 600° C and the temperature of the outside of the insulation 60° C. Also find
the interface temperature of layers.
12m
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