Question

6. The heat loss h (in Watts) through a single-pane glass window varies jointly with the window’s area A (in square metres) and the difference between the inside and outside temperatures d (in Kelvins).
a. Write an equation relating h, A, d, and a constant, k.
b. A single-pane window with an area of 1 square metre and a temperature difference of 1 Kelvin has a heat loss of 5.7 Watts. What is the heat loss through a single-pane window with an area of 2.5 square metres and a temperature difference of 20 Kelvins?

Answer 1

Answer:

10-20 A double-pane window consists of two layers of glass separated by a stagnant ... Heat transfer is one-dimensional in the axial direction ... 3 Thermal conductivities are constantenergy rating system for windows. ... Simplified heat loss through any given surface is ... Thermal performance of windows, doors and ... Single glazing – virtually obsolete apart from3.2 Evaluation of the mean temperature difference in a heat exchanger . ... reactor is on the order of one million watts per square meter. ... Reasonable values of h range over about six.

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