Example: A natural-circulation water heater operates with a nearly constant increase in water temperature of 10°C. The collector has an area of 4 m², an overall loss coefficient of 4.2 W/m²oC, and F' = 0.91. If the water inlet temperature is 30°C, the ambient temperature is 15°C, and the radiation absorbed by the collector plate is 780W/m², what is the useful gain from the collector? 6

Example: A natural-circulation water heater operates with a nearly constant increase in water temperature of 10°C. The collector has an area of 4 m², an overall loss coefficient of 4.2 W/m²oC, and F' = 0.91. If the water inlet temperature is 30°C, the ambient temperature is 15°C, and the radiation absorbed by the collector plate is 780W/m², what is the useful gain from the collector? 6

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.33P

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