The walls of the refrigerated storage room are 10 m long and 3 m high and constructed with 100 mm (k = 0.935 W / [m ° C]) concrete blocks and 10 cm of fiber insulation board (k = 0.048 W). / [m ° C]). The temperature of the cold room is -10 ° C and the convective hot coupling is 40 W / (m² K); The outside air temperature is 30 ° C with a convection heat transfer coefficient of 10 W / (m² K). Calculate the total heat wave.    Total heat transfer coefficient = Answer   W / (m² K).

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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The walls of the refrigerated storage room are 10 m long and 3 m high and constructed with 100 mm (k = 0.935 W / [m ° C]) concrete blocks and 10 cm of fiber insulation board (k = 0.048 W). / [m ° C]). The temperature of the cold room is -10 ° C and the convective hot coupling is 40 W / (m² K); The outside air temperature is 30 ° C with a convection heat transfer coefficient of 10 W / (m² K). Calculate the total heat wave.

 

 Total heat transfer coefficient = Answer

  W / (m² K).

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