Straight rectangular fins of 2.9 cm length and 4 mm thickness have 4 mm gaps between fins. The actual heat transfer per fin per meter of width is 110 W/fin-m. Each gap has a heat transfer of 20 W/gap-m. If no fins are used and the heat transfer is just from the bare wall, the heat transfer is 5000 W/m, what is the fin effectiveness?
Straight rectangular fins of 2.9 cm length and 4 mm thickness have 4 mm gaps between fins. The actual heat transfer per fin per meter of width is 110 W/fin-m. Each gap has a heat transfer of 20 W/gap-m. If no fins are used and the heat transfer is just from the bare wall, the heat transfer is 5000 W/m, what is the fin effectiveness?
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Transcribed Image Text:Straight rectangular fins of 2.9 cm length and 4 mm thickness have 4 mm gaps
between fins. The actual heat transfer per fin per meter of width is 110 W/fin-m.
Each gap has a heat transfer of 20 W/gap-m. If no fins are used and the heat transfer
is just from the bare wall, the heat transfer is 5000 W/m, what is the fin
effectiveness?
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