Mar 05, 2012 · A standard gas-fired boiler, fueled with biogas, maintained the Penn State digester's temperature of 95°F (35°C) all year. This means that the gas has 60 percent of the energy in natural gas or about 600 Btu per cubic foot Carol H., ed. Producing Your Own Power. Emmaus, PA: Rodale Press, Inc., 1974, pp. 137-190. Learn More
Flue gas. temperature is 2200 F and the boiler room is at 80 F .Gas side film coefficient is 15. Btu / hr ft 2 F air side is 4. Determine the thermal current Q / A . a. 187.41 Btu / hr ft. c. 200.62 Btu / hr ft. b. 197.41 Btu / hr ft. d. 250.46 Btu / hr ft. Solution: Q t. A RT Where: t 2200 80 2120 F. hi 15 Btu / hr ft 2 F. ho 4 Btu / …Learn More
Flue gas. temperature is 2200 F and the boiler room is at 80 F .Gas side film coefficient is 15. Btu / hr ft 2 F air side is 4. Determine the thermal current Q / A . a. 187.41 Btu / hr ft. c. 200.62 Btu / hr ft. b. 197.41 Btu / hr ft. d. 250.46 Btu / hr ft. Solution: Q t. A RT Where: t 2200 80 2120 F. hi 15 Btu / hr ft 2 F. ho 4 Btu / …Learn More