1. A glass-door firescreen, used to reduce exfiltration of room air through a chimney, has a height of $0.71 m$ and a width of $1.02 m$ and reaches a temperature of $23 2^{\circ} C$ . a. If the room temperature is $2 3^{\circ} C$ , estimate the convection heat rate from the fireplace to the room. b. Compare this to the radiation heat transfer effects assuming $ε = 1.0$ for the glass surface and $T_{sur} = 2 3^{\circ} C$ .

Question

1. A glass-door firescreen, used to reduce exfiltration of room air through a chimney, has a height of

0.71 m

and a width of

1.02 m

and reaches a temperature of

23 2^{\circ} C

. a. If the room temperature is

2 3^{\circ} C

, estimate the convection heat rate from the fireplace to the room. b. Compare this to the radiation heat transfer effects assuming

ε = 1.0

for the glass surface and

T_{sur} = 2 3^{\circ} C

.

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(Solved): 1. A glass-door firescreen, used to reduce exfiltration of room air through a chimney, has a height ...