Question

Find the expected frictional pressure from position ( 1 ) to (2) in the below length ofduct. Assume round ducts. clean sheet metal, and air at standard temperature and pressure. solar incident angle (for direct solar radiation) for a vertical surface facing south in Bozeman, MT (Gallatin Field). The time is 10:00AM MST on July 21 Elbow radius 36 in. Grille loss 0.1 in w.g. at 600 fpom Duct cfm VeL, fpm length 40 n 2000 1000 1000 1000 1000 600 30 ft 30 ft 600 Find the duct diameter. Din.) and the ΔΡ for section A: Diameter ΔΡ: Find the pressure loss (ΔΡ1ss) in the tee between sections A and C: Find the duct diameter, D (in) and the ΔΡ for section C: Diameter ΔΡ: Find the pressure loss (ΔΙ.ss) in the elbow between sections C and D: Find the ΔΡ for section D: APloss Find the total frictional pressure loss from position (I) to (2) APtotal

Answer 1

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