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
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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 30x10-6m²/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 =
R,
a =2)
Figure 1
Transcribed Image Text: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 30x10-6m²/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 = R, a =2) Figure 1
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