The main air (standard air) supply duct carries 200 m^3/min of an air conditioning system with cross section 750mm * 0.5 m. It branches into two ducts: branch A and branch B with cross section for A equal (0.5m*400mm) and for B equal (0.6m*0.5m). The velocity in branch A equal 8m/sec.

The main air (standard air) supply duct carries 200 m^3/min of an air conditioning system with cross section 750mm * 0.5 m. It branches into two ducts: branch A and branch B with cross section for A equal (0.5m400mm) and for B equal (0.6m0.5m). The velocity in branch A equal 8m/sec.

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 10.19P

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Question

H.W: (24-02-2021)
The main air (standard air) supply duct carries 200 m^3/min of
an air conditioning system with cross section 750mm * 0.5 m. It
branches into two ducts: branch A and branch B with cross
section for A equal (0.5m*400mm) and for B equal
(0.6m*0.5m). The velocity in branch A equal 8m/sec.
Calculate:
1- velocity in main duct,
2- velocity in branch B,
3- velocity pressure in main duct, branch A and branch B.

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