Engineering, 19.09.2019 23:30 dylancasebere
Pipe diameter and reynolds number. an oil is being pumped inside a 10.0-mm-diameter pipe at a reynolds number of 2100. the oil density is 855 kg/m3 and the viscosity is 2.1 × 10−2 pa · s. what is the velocity in the pipe? it is desired to maintain the same reynolds number of 2100 and the same velocity as in part (a) using a second fluid with a density of 925 kg/m3 and a viscosity of 1.5 × 10−2 pa · s. what pipe diameter should be used?
Answers: 2
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If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
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The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
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Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?
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Engineering, 04.07.2019 18:20, 21megoplin
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Pipe diameter and reynolds number. an oil is being pumped inside a 10.0-mm-diameter pipe at a reynol...
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