All Questions
Tagged with fluid-mechanics torque
8
questions
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157
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How do I determine the moment of force that would have to be applied to the shaft to open the gate in this question on fluid statics?
I am presently studying fluid statics from Munson's textbook. I do not understand part (b) of example 2.6. The full question is as follows:
GIVEN The 4-m-diameter circular gate of Fig. E2.6a is ...
0
votes
1
answer
115
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Angle of attack for torque calculation from buoyancy force
To calculate the torque caused by the buoyancy force I need the length and the angle but what angle should I use? Should I use the angle of from the center at the bottom of the angle from the center ...
1
vote
4
answers
265
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Can I create a whirlpool/vortex around a horizontal axis in a flat bottle using motor?
I am using this flat bottle:
I fixed a motor at the centre of one of the flat sides and attached an impeller. I thought this will create some kind of whirlpool effect but as you can guess, since the ...
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2
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137
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how to find torque from force due to pressures that change as a function of z
My teacher is very strict about copying his work so I will have to explain it.
We have a wall with two fluids of different constant densities and depths. The wall is 'L' long. The wall has a section ...
0
votes
1
answer
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How to use the moment-of-momentum equation for water flowing through a pipe?
I am having a lot trouble understanding this problem, I don't even know where to begin or how to articulate my difficulties, but I will try my best.
Is the question asking to find the torque ...
2
votes
2
answers
967
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Calculate hydraulic torque from motor HP, hydraulic pump and gearbox
I am curious about the design considerations for a hydraulic system.
Let's say you have a 3HP 1200RPM motor
you also have a hydraulic pump that's rated 4LPM and pressure of 40MPA rated for 40RPM MAX
...
2
votes
2
answers
254
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Buoyance+torque generated force
I need to design a pivot arm which is pulled up by a float (buoyancy force). In the upper positions of the lever arm, there's a mass trying to pull down.
The reason that I'm presenting this problem ...
8
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5
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Torque converter torque multiplication
I keep reading all over the internet that a torque converter multiplies torque at stall speed. Every explanation I have found sounded more like hand-waving than quantitative physical explanation. ...