system of a fixed displacemer pump and а пхеd delivery notor is sShown in Figure 1. Outlet pressure of pump Pp = 10Mpa, displacement of pump V, P = 10mL/ r, speed of pump Nmp "p = 1450r/min , mechanical efficiency of pump %3D 0.9, volumetric efficiency of pump V "Ivp = 0.9, displacement of motor m = 10mL/ %3| Nvm r, mechanical efficiency of motor "mm =0.9 , volumetric efficiency of motor =0.9, pressure losses between pump outlet port and motor inlet port 0.2Mpa , other losses is not considered. Calculate : 1) input power of pump ; 2) output power of pump; 3) speed of motor, Actual torque of motor and output power of motor
system of a fixed displacemer pump and а пхеd delivery notor is sShown in Figure 1. Outlet pressure of pump Pp = 10Mpa, displacement of pump V, P = 10mL/ r, speed of pump Nmp "p = 1450r/min , mechanical efficiency of pump %3D 0.9, volumetric efficiency of pump V "Ivp = 0.9, displacement of motor m = 10mL/ %3| Nvm r, mechanical efficiency of motor "mm =0.9 , volumetric efficiency of motor =0.9, pressure losses between pump outlet port and motor inlet port 0.2Mpa , other losses is not considered. Calculate : 1) input power of pump ; 2) output power of pump; 3) speed of motor, Actual torque of motor and output power of motor
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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Transcribed Image Text:1. the system of a fixed displacement pump and a fixed delivery motor is shown in
Pp
Figure 1. Outlet pressure of pump
10Mpa , displacement of
V.
P = 10mL/
= pump
r, speed of pump
n,
'p = 1450r/min , mechanical efficiency of pump
1 mp =
Nvp
0.9, volumetric efficiency of pump
= 0.9, displacement of motor
V
10mL/
m =
Nym
r, mechanical efficiency of motor Tmm =0.9, volumetric efficiency of motor
=0.9, pressure losses between pump outlet port and motor inlet port 0.2Mpa , other
losses is not considered. Calculate : 1) input power of pump; 2) output power of
pump;
3) speed of motor, Actual torque of motor and output power of motor
Figure 1
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