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1. Two parallel disks 80 cm in diameter, are separated by a distance of 10 cm and completely enclosed by a large room at
Posted: Wed May 18, 2022 4:40 pm
by answerhappygod
- 1 Two Parallel Disks 80 Cm In Diameter Are Separated By A Distance Of 10 Cm And Completely Enclosed By A Large Room At 1 (24.83 KiB) Viewed 49 times
1. Two parallel disks 80 cm in diameter, are separated by a distance of 10 cm and completely enclosed by a large room at 20°C. The properties of the surfaces are T, = 620°C, €;= 0.9. T;= 220°C, ez = 0.45. What is the net radiant heat transfer with each surface? (Do not include back side exchange, only that from the surfaces facing each other.) Answers 1. a) Hot disk watts b) Cold disk watts c) Room watts