The condenser black grille of refrigerator has a surfaçe temperature of 45 c° with a total surface area of 1.2 m. Heat transfer to the room air at 20 C° takes place with convective heat transfer of 15 W/m.K. How much energy can be removed during 25 minutes of operation.

The condenser black grille of refrigerator has a surfaçe temperature of 45 c° with a total surface area of 1.2 m. Heat transfer to the room air at 20 C° takes place with convective heat transfer of 15 W/m.K. How much energy can be removed during 25 minutes of operation.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter45: Domestic Refrigerators And Freezers

Section: Chapter Questions

Problem 12RQ: Refrigerators currently being manufactured in the United States are using______as their refrigerant.

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Question

The condenser black grille of refrigerator has a surfaçe temperature of 45 c° with a total surface
area of 1.2 m. Heat transfer to the room air at 20 c° takes place with convective heat transfer of
15 W/m.K. How much energy can be removed during 25 minutes of operation.

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