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Questions tagged [hydrostatics]

29 questions
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How to make a weather buoy more stable?

I'm designing a weather buoy as a school project. I have read that the metacentric height is a good measurement for buoy stability and is relatively easy to calculate. This page says the metacentric height $MG$ is given by the…
5TableLegs
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Hydrostatic transmission to directly translate movement

I have been thinking about small hydrostatic transmission to directly translate movement of stepper motor (NEMA 17-23 size, geared with 3:1 or 5:1 ratio). My design currently involves 2 identical radial piston motors/pumps with 3 cylinders all…
janherich
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Hydrostatic forces

Hello I had a quick question regarding this homework problem. The tank in the figure is 120 cm long into the paper. Determine the horizontal and vertical hydrostatic forces on the quarter-circle panel AB. The fluid is water at 20 C. Neglect…
jjrrrmkaas
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How is high static water pressure avoided in municipal water systems?

Most cities get their water supply from local sources (springs, rivers, lakes) so the pressure in the system is never more than what is produced by the pumps. But some cities get their water from elsewhere, typically from a much higher…
Ray Butterworth
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Computation of the moment of restoring forces for a floating vessel

Some slides associated to the book Handbook of Marine Craft Hydrodynamics and Motion Control (2021 edition) are provided by the author of the book here. At page 12 of the slides for Chapter 4, the moment due to the restoration forces (gravity,…
Lucen
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Could someone help me with this physics problem about water pressure

I am designing a rainwater collection system. Rainwater is initially collected in an open-top barrel equipped with filters and sensors. This barrel is connected to a pillow tank, a flexible water storage container. The pillow tank has an air valve…
Daan
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Simulation of quasi-static fluids

I'm doing a school project asking to investigate the wirtz pump (a thin tube coiled to a vertical spiral shape, a part of which underwater, and the pump turns, water enters the spiral and move towards the center, which is connected to a tube…
Enthalpia
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Is my basement flooding because the city floods a neighboring field to make an ice rink?

I bought a house about a year ago that was built in 1952, and the original house has French drains and a sump pump which keeps the basement dry. There is an extension, however, which was added at some subsequent point, and its basement has a problem…
The_Anomaly
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How do I calculate magnitude of shear force per unit of length when all I'm given is the diameter?

I had a chemical engineering homework problem where I had to come up with a velocity profile for methanol flowing through a cylindrical tube, where viscosity and average velocity were given, but the only dimension given for the tube was diameter.…
Gregory
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How to make a constant flow rate of water from a tank with a faucet at the bottom side?

Consider I have water tank as shown by the picture. By normal condition, the flow rate when the tank is full is higher than when the tank almost finish, and till it finally finish it will stop (in this case, what we consider is until the water…
AirCraft Lover
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Fluid Mechanics about Hydrostatic Pressure

The rectangular gate will open authomatically, when the depth of water becomes very large. What is the minimum value of d that will cause the gate to just open? The width of the gate is 2 m.
Ayça Arırt
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Would connecting a small hydraulic pump to a larger hydraulic motor result in force multiplication?

In a hydrostatic transmission system, hydraulic pumps drive hydraulic motors (basically a reverse pump). If you were use a smaller hydraulic pump as an input and a bigger hydraulic motor as the output, would it work like a reduction gearbox? Where…
Fulano
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Are there hydraulic torque converters that are specifically built to work like reduction gearboxes?

As far as I understood from this video, there are torque converters and fluid couplers (a hydraulic clutch), but certain types of torque converters kind of work by performing the two functions at different speeds. I just can't find hydraulic torque…
Fulano
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shaft connected double water wheel to lift water back in closed loop

This is meant for mechanical closed system for hydroponics. Two wheels connected by same shaft so the wheel going down lifts the water back with the other interconnected wheel to a slight incline. I suppose the torque created by falling water should…
Rodríguez Ayoze
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Submerged fraction buoancy force

How can I calculate the height of the submerged part of a partly filled bucket? (The liquid both inside and outside is freshwater). The bucket is trapezoidal such that the volume of the submerged can be described as: <$V_{bucket} =…
KSH
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