Non-Newtonian Fluids, part 4 - Lecture 1.8 - Chemical Engineering Fluid Mechanics

[@kabirurufai8527]

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[@schizzozibibbo97]

Thank you, you're very helpful to me and I'm sure, to lots of people and to science.

[@yishaikanter8757]

a lot of the videos leading up to this one have been great, but the arguments in this video did not make a lot of sense to me. at 6:30 in the video- in a true equation the RHS and LHS will go to zero at the same rate, or its not a correct equation. Since the LHS goes as delta x and the moment of inertia goes as delta x ^2, the compensation will come as a high angular acceleration. it's like saying if I apply a force to an object of shrinking mass that the force will stay as is but the product m*a will go to zero, since m is going to zero. that is incorrect, instead if you apply the same force to lesser masses you will just get higher accelerations to compensate. also at around 9:40 - the assumptions made because Dx and Dy are going to zero don't make sense to me. Imagine a rectangle of dy=10*dx, even as you make these infinitesimal the ratio of dy to dx stays the same. It feels like there is a more rigorous mathematical way of getting to where he ends up that he has in mind and maybe would have worked and this was a hand waving attempt that I don't think worked. I dont mean to be cruel here, the videos have been great and helpful but I think this one didn't go so well and I just wanted to offer my two cents.

[@asemsardy158]

Is body armor a No slip condition , it seems i can`t know when to use that condition , and is there any books about any experimental non-Newtonian fluid by increasing the shear strain ? and can you tell me the shear thinning and the shear thickening effects on viscosity and the force applied ?

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