Estimate the natural convection heat transfer coefficient of the horizontal pipe. The outer surface temperature of the pipe is 80 ° C. The ambient air temperature is 30 ° C. The outer diameter of the...

Estimate the natural convection heat transfer coefficient of the horizontal pipe. The outer surface temperature of the pipe is 80 ° C. The ambient air temperature is 30 ° C. The outer diameter of the pipe is 10 cm. Convection coefficient = AnswerW / m² ° C.