Size the duct system shown in thefigure. The air velocity at the inletis 8m/s. The length of each ductsegment is 4m. If the pressuredrop in each diffuser and elbow(or Tee branch) is 20Pa and 25 Parespectively,calculatethepressure head required for theAHU. (Note: CFM=ft³/min.)Pghxh(чоржъхDaryAHU600CFM800CFM1000CFM600CFM800CFM1000CFM600CFM800CFM1000CFM

To solve the problem of sizing the duct system and calculating the pressure head required for the…

Answered: Size the duct system shown in the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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An air-conditioning system is designed to have a ductwith a rectangular cross section 1 ft by 2 ft, as shown. Duringconstruction, a truck driver backed into the duct and made it atrapezoidal section, as shown. The contractor, behind schedule,installed it anyway. For the same pressure drop along the pipe,what will be the ratio of the velocity in the trapezoidal duct tothat in the rectangular duct? Assume the Darcy-Weisbach resistance coefficient is the same for both ducts.
The oil is pumped from a reservoir tank to the automobile tank. The volume flow rate of oil is 3,2 cm/s. The pipe diameter is 5 mm. The oil discharges through a 0.8-mm nozzle in a tank. The pressure in the tank is 95 kPa. The total head loss in the system is 1.1 m. If the pump has an efficiency of 58,18%, determine the power [W] needed by the pump. (NOTE: Po = 673 kg/m) 05 m 95 kPa 100 kPa Pump
Displacement (c): 0.2 in3/revShank diameter (d) = 0.625 in.Piston diameter (D) = 1.5 in.Rotation speed (n): 1725 RPMPressure (P): 600 PSIStroke (L) = 18in. a) Calculate the theoretical flow rate of the pump in in3/min and US GPM.Theoretical flow (Q) = Theoretical displacement (C) x Speed of revolution (n)Theoretical flow (Q) = 0.2 in3/rev x 1725 rpmTheoretical flow (Q) = 345 in3/min = 1.49 US GPM b) Calculate the cylinder output speed in in/s.Cylinder output speed (VS) = Piston side flow (Q) / Piston area (Ap)Cylinder output speed (VS) = (Displacement x Speed of revolution) / Piston area (Ap)Cylinder output speed (VS) = (0.2 in3/rev x 1725 RPM) / 1.77 in2Cylinder output speed (VS) = (0.2 in3/rev x 1725 RPM) / 1.77 in2Cylinder output speed (VS) = 196.02in/s = 196.02 / 60s = 3.20 in/s Questions: c) Knowing the output velocity (ram speed), calculate the rod side flow in GPM when the ram is extending. d) Calculate the piston exit time in seconds. e) Calculate the piston entry time in…
. What horsepower is supplied to air moving at 7m/min through a 70cmx90cm duct under a pressure of8cm of H2O?

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