The wall of a blast furnace is water-cooled. Given the inside- and outside-surface temperatures (2400°F and 150°F), what is the heat transfer coefficient for the water? The water, itself, is at 80°F....

Extracted text: The wall of a blast furnace is water-cooled. Given the inside- and outside-surface temperatures (2400°F and 150°F), what is the heat transfer coefficient for the water? The water, itself, is at 80°F. Assume steady- state conditions. Steel (k - 20 Btu hl ft-1 °F•1) Refractory (k - 0.5 Btu h ft-l °F•1) 150°F 2500°F 0.05 ft 1 t- cooling water