Engineering, 17.01.2020 06:31 melanie12566
The reynolds number is a dimensionless quantity used in fluid mechanics. it is defined as: where d is the pipe diameter, v is the fluid velocity, is the fluid density, and is the fluid viscosity. in american engineering units (ft, sec, lbm), what are the units of the viscosity? hint, all the units should cancel out to produce the dimensionless reynolds number.
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Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86
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Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
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The reynolds number is a dimensionless quantity used in fluid mechanics. it is defined as: where d i...
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