A water heater is covered up with insulation boards over a

Chapter 3, Problem 298EUP

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QUESTION:

Problem 298EUP

A water heater is covered up with insulation boards over a total surface area of 30 ft2. The inside board surface is at 175 F, the outside surface is at 70 F, and the board material has a conductivity of 0.05 Btu/h ft F. How thick should the board be to limit the heat transfer loss to 720 Btu/h?

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QUESTION:

Problem 298EUP

A water heater is covered up with insulation boards over a total surface area of 30 ft2. The inside board surface is at 175 F, the outside surface is at 70 F, and the board material has a conductivity of 0.05 Btu/h ft F. How thick should the board be to limit the heat transfer loss to 720 Btu/h?

ANSWER:

Solution 298EUP

Step 1 of 3

The objective here is to determine the thickness of an insulation board covering a water heater from the given parameters.

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