Answered: Da-50 in. 3 + Duct system D2-D-26 in…

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Da-50 in. 3 + Duct system D2-D-26 in V2= V3 Air-handling unit 1-PP2 Pa= P4 = 1 T B0°F (AV)

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter37: Air Distribution And Balance

Section: Chapter Questions

Problem 22RQ: The equivalent feet of pressure drop for a group 3-G branch-line takeoff is A. 30 ft. B. 20 ft C. 10...

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Concept explainers

Safety guidelines for material handling

Material handling involves transportation and movement of materials (inventory) within the storehouse or warehouse. The process also involves efficient inventory management, which forms an essential part of any manufacturing or fabrication company.

Question

As shown in the figure, air with a volumetric flow rate of 14,000 ft³/min enters an air-handling unit at 80^oF, 1 atm. The air-handling unit delivers air at 45^oF, 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.

Determine the mass flow rate of air entering the air-handling unit, in lb/s, the volumetric flow rate in each 26-in. duct, in ft³/min, and the velocity in the 50-in. duct, in ft/s.

Da-50 in.
3
+
Duct
system
D2-D-26 in
V2= V3
Air-handling unit
1-PP2 Pa= P4 = 1
T B0°F
(AV)

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