Fox And Mcdonald's Introduction To Fluid Mechanics
9th Edition
ISBN: 9781118921876
Author: Pritchard, Philip J.; Leylegian, John C.; Bhaskaran, Rajesh
Publisher: WILEY
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Textbook Question
Chapter 7, Problem 29P
Derive an expression for the frictional torque exerted on the journal of a bearing if this torque depends only on the diameters of journal and bearing, their axial lengths (these are the same), viscosity of the lubricant, angular speed of the journal, and the transverse load (force) on the bearing.
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C1 (a) A plate 0.05mm distant from a fixed plate moves at 1.15 m/s and required a force per unit area of 2.2 N/m2 to maintain this speed with using an oil of specific gravity 0.75. Find the dynamic viscosity and kinematic viscosity of the fluid between the plates.
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find :
C1 (a)
1_The dynamic viscosity of the fluid (in Centipoise)
2_The kinematic viscosity of the fluid (in stokes)
C1 (b)
3_Specific Weight in (N/m3)
4_Density of liquid (in kg/m3)
5_Specific gravity of liquid
Chapter 7 Solutions
Fox And Mcdonald's Introduction To Fluid Mechanics
Ch. 7 - The slope of the free surface of a steady wave in...Ch. 7 - One-dimensional unsteady flow in a thin liquid...Ch. 7 - In atmospheric studies the motion of the earths...Ch. 7 - Fluid fills the space between two parallel plates....Ch. 7 - By using order of magnitude analysis, the...Ch. 7 - Consider a disk of radius R rotating in an...Ch. 7 - An unsteady, two-dimensional, compressible,...Ch. 7 - Experiments show that the pressure drop for flow...Ch. 7 - At very low speeds, the drag on an object is...Ch. 7 - We saw in Chapter 3 that the buoyant force, FB, on...
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