Recent content by come2ershad

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    Force on a sphere in flowing water and velocity of water

    Also, though viscosity of water is given in the problem, i doubt if there would be any drag force on the sphere since the sphere doesn't seem to be moving significantly through the water. Please throw some light on this concept too.
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    Force on a sphere in flowing water and velocity of water

    Homework Statement The problem has been attached with this post. Homework Equations Equation given below. The Attempt at a Solution The forces on the sphere could be due to gravity and the buoyancy force. ((pi*d^3)/6)×ρ(water)×g=mg From this I can find the mass of the sphere in terms of...
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    Schools Best Universities for PhD in Fluid Mechanics

    I am not sure. I haven't asked them. I am currently doing my masters at TU Delft. It is really good for fluid Mechanics. But I would like to try other universities too for PhD. According to my research online, I have found Harvard, ETHZ, Stanford, UMD College Park, Caltech, Univ of California...
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    Schools Best Universities for PhD in Fluid Mechanics

    Hi, I am currently doing my masters in mech engineering specializing in fluid mechanics. I am interested in pursuing PhD after my masters. Can anyone suggest the universities which do the best research in fluid mechanics in Europe and US?
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    What happens with the sea level due to the centrifugal acceleration?

    Does that mean the potential energy is constant everywhere on the surface of the sea? or does that mean the Earth's surface is in hydrostatic equilibrium?
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    What happens with the sea level due to the centrifugal acceleration?

    Thank you DH. That was good explanation.
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    What happens with the sea level due to the centrifugal acceleration?

    I think I got it. A sphere of freely flowing material in free-fall, such as a planet in formation, forms a shape reflecting the balance between internal gravity and centrifugal force from its rotation. (Reference: http://en.wikipedia.org/wiki/Centrifugal_force_%28rotating_reference_frame%29). So...
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    What happens with the sea level due to the centrifugal acceleration?

    Is the effective gravity at equator less because the centrifugal force acts in a direction opposite to it? How does that effect sea level? That is what I want to know.
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    What happens with the sea level due to the centrifugal acceleration?

    Thanks for the help. I was just doubtful how it will vary in the rotating frame of reference. I know about the change in effective gravity. I could put them in formulae from books and derive the expression. But I wasn't just sure about the physics behind it.
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    What happens with the sea level due to the centrifugal acceleration?

    What happens with the sea level due to the centrifugal acceleration?
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    Gauss Divergence Theorem - Silly doubt - Almost solved

    Thanks for the reply.
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    Gauss Divergence Theorem - Silly doubt - Almost solved

    anybody?
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    Gauss Divergence Theorem - Silly doubt - Almost solved

    Homework Statement The problem statement has been attached with this post. Homework Equations I considered u = ux i + uy j and unit normal n = nx i + ny j. The Attempt at a Solution I used gauss' divergence theorem. Then it came as integral [(dux/dx) d(omega)] + integral...
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    Help in proof (Green's Theorem)

    I consider u to be u1 i + u2 j and found the divergence. How to proceed from there?
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    Help in proof (Green's Theorem)

    Homework Statement I have a doubt in proving the attached theorem. I have found that divergence theorem can be applied. However I am not able to arrive at the exact equation. Homework Equations Attached The Attempt at a Solution Derived the LHS. Couldn't proceed from there.
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