Air flows in the entrance region of a square duct, as shown. The velocity is uniform, U0=100 ft

Name: Air flows in the entrance region of a square duct, as shown. The velocity is uniform, U0=100 ft / s, and the duct is 3 in. square. At a section 1 ft downstream from the entrance, the displacement thickness, δ^*, on each wall measures 0.035 in. Determine the pressure change between sections ? and ? .
Uploaded: 2023-05-23T23:20:51-08:00
Duration: 1 min 41 s
Channel: Adi S
Description: Air flows in the entrance region of a square duct, as shown. The velocity is uniform, U0=100 ft / s, and the duct is 3 in. square. At a section 1 ft downstream from the entrance, the displacement thickness, δ^*, on each wall measures 0.035 in. Determine the pressure change between sections ? and ? .

Question

Jaya M · Accepted Answer

1. First, we need to find the average velocity at section 1. Since the duct is 3 in. square, the

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