Задача 20627.

The outer surface of the brick wall thickness of 37 cm (a half-brick) has a temperature of -17 ° C, and the inner + 20 ° C. Determine the amount of heat lost by one day through a 1 m ^ 2 walls by conduction. The thermal conductivity of bricks of 0.7 W / (m * K).

Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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