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As shown in the figure, air with a volumetric flow rate of 14,000 ft/min enters an air-handling unit at 80°F, 1 atm. The air-handling unit delivers air at 45°F, 1 atm to a duct system with three branches consisting of two 26-in-diameter ducts and one 50-in. duct. The velocity in each 26-in. duct is 10 ft/s. Assume steady state operation and ideal gas behavior for the air.

As shown in the figure, air with a volumetric flow rate of 14,000 ft/min enters an air-handling unit at 80°F, 1 atm. The air-handling unit delivers air at 45°F, 1 atm to a duct system with three branches consisting of two 26-in-diameter ducts and one 50-in. duct. The velocity in each 26-in. duct is 10 ft/s. Assume steady state operation and ideal gas behavior for the air.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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As shown in the figure, air with a volumetric flow rate of 14,000 ft/min enters an air-handling unit at 80°F, 1 atm. The air-handling unit delivers air at 45°F, 1 atm to a duct system with three branches consisting of two 26-in-diameter ducts and one 50-in. duct. The velocity in each 26-in. duct is 10 ft/s. Assume steady state operation and ideal gas behavior for the air. D- 50 in. Duct system T- - 1 - 45°F D, - D,- 26 in. Vz = V3 Air-handling unit 1+ A = P=P = P4=1 atm T= B0°F (AV) Determine the mass flow rate of air entering the air-handling unit, in Ib/s, the volumetric flow rate in each 26-in. duct, in ft/min, and the velocity in the 50-in. duct, in ft/s.
Transcribed Image Text:As shown in the figure, air with a volumetric flow rate of 14,000 ft/min enters an air-handling unit at 80°F, 1 atm. The air-handling unit delivers air at 45°F, 1 atm to a duct system with three branches consisting of two 26-in-diameter ducts and one 50-in. duct. The velocity in each 26-in. duct is 10 ft/s. Assume steady state operation and ideal gas behavior for the air. D- 50 in. Duct system T- - 1 - 45°F D, - D,- 26 in. Vz = V3 Air-handling unit 1+ A = P=P = P4=1 atm T= B0°F (AV) Determine the mass flow rate of air entering the air-handling unit, in Ib/s, the volumetric flow rate in each 26-in. duct, in ft/min, and the velocity in the 50-in. duct, in ft/s.
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