1. A hydraulic pump is shown in Figure 1, flow rate is 25 L/min, the diameter ofsuction pipe is 25mm, and the suction port of pump is higher than the oil surface oftank, h= 400mm. Kinematic viscosity of oil is 30x10-6m²/s, density of oil is900kg/m³. If only the pressure loss along the straight suction pipe with length 500mm75is considered, calculate the vacuum degree of suction port. (2 =R,a =2)Figure 1

Given Data Flow rate, =25 L/min Diameter of suction pipe, =25 mm Suction port of pump is higher…

1. A hydraulic pump is shown in Figure 1, flow rate is 25 L/min, the diameter of suction pipe is 25mm, and the suction port of pump is higher than the oil surface of tank, h= 400mm. Kinematic viscosity of oil is 30×10--m?/s, density of oil is 900kg/m³. If only the pressure loss along the straight suction pipe with length 500mm 75 is considered, calculate the vacuum degree of suction port. (2 =, a=2) R, Figure 1

1. A hydraulic pump is shown in Figure 1, flow rate is 25 L/min, the diameter of suction pipe is 25mm, and the suction port of pump is higher than the oil surface of tank, h= 400mm. Kinematic viscosity of oil is 30×10--m?/s, density of oil is 900kg/m³. If only the pressure loss along the straight suction pipe with length 500mm 75 is considered, calculate the vacuum degree of suction port. (2 =, a=2) R, Figure 1

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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A hydraulic pump is shown in the following Figure, flow rate is 25 L/min, the diameter of suction pipe is 25mm, and the suction port of pump is higher than the oil surface of tank, the height is h, Kinematic viscosity of oil is 30×10“m²/s, density of oil is 900kg/m³. Only the pressure loss along the straight suction pipe with length h is 75 considered, if the vacuum degree at the inlet of pump is not bigger than 4500P ( 2 = R. a = 2, g=9.8) (1) Calculate the flow velocity in the suction pipe; (2) Judge the flow state in suction pipe; (3) Calculate the pressure loss along the straight suction pipe; (4) Calculate the oil absorption height h.
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