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[Hot Item] Qm Air-Duct System for HVAC Systems Duct Type Air Conditioner Pipes

[Hot Item] Air-Duct System for HVAC Systems Duct Type Air Conditioner Pipes

A two-branch duct system of circular duct is shown in Fig. 6-20. The fittings have the following equivalent length of straight duct: upstream to branch, 4  m; elbow, 2  m. There is negligible pressure loss in the straight-through section of the branch. The designer selects 4  Pa / m as the pressure gradient in the 12 - and 15-m straight sections. What diameter should be selected in the branch section to use the available pressure without dampering? Ans. 0.35  m | Numerade

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