At a certain point in castor oil the shear stress is 0.216 N/m and the velocity gradient 0.216 s. If mass density of castor oil is 959.42 kg/m. Find kinematic viscosity.
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- plz help me with this one i would appreciate it if you help me now A piston with a diameter of 0.8 m and width of L=0.6 m rotates with 6 rad/s inside a cylinder that has a diameter of 1 m that filled with oil that has a viscosity of 8x10-3 N.s/m2 What is the shear force that acts on the circumference of the piston (N)? Assume the variation in velocity of the oil is linear.A hydrodynamic journal bearing is subject to 2000 N load at a rotational speed of 2000 rpm Both bearing bore diameter and length are 40 mm. If radial clearance is 20 um and bearing is lubricated with an oil having viscosity 0.03 Pa-s, find the Sommerfield number of the bearing.A square block has 320 mm bottom sides dimensions, weighing W is 1.4 kN on an edge slides down an incline angle 0 is 20° on a film of oil 6 mm thickness, as shown below. Assuming a linear velocity profile in the oil. The viscosity of the oil is 0.009 Pa.s. W y Determine the force acting on the block, F. What is the velocity of the block, V?
- 3 what will be the kinematic viscosity of an oil having density 888 kg/m. The shear stress at a point in oil is 0.278 N/m and velocity gradient at that point is 0.2 per second.1) The velocity profile of a viscus fluid over a plate is parabolie with vertex 25 em from the plate ,where the velocity 125 cm/s. calculate the velocity gradient and shear stress at distance of (0, 5, 15 and 25 cm) from the plate given the viscosity of the fluid =7 poise ? Also draw the figure explain the relationship between the velocity gradient and shear stress. Take velocity profile for parabolic equation, (v = ay + by + c)Find the kinematic viscosity of an oil having density of 980kg/m^2 when at a certain point in the oil, the shear stress is 0.25 Pa and the velocity gradient is 0.3 m/s.
- The space between two parallel plates 0.001 ft apart is filled with oil viscosity 0.7cp. The top plate is stationary while the lower plate is moving in the x-direction with a velocity 1ft/sec. A. Determine shear rate B. What should be the shear stress in lbf/ft^2? Answer asap plsThe velocity gradient is 1000 / s. The viscosity is 1.2 X 10 4 N s/m?. The shear stress (N/m) *Shaft (250 mm diameter) rotates at 250 rpm inside a sleeve (251 mm diameter) with a constant clearance. If the power required to rotate the shaft is 2204 watts, find the viscosity (N.sec/m) of lubricant oil in the clearance. Take length of sleeve as 150 mm. Your answer
- Find the dynamic and kinematic viscosities of kerosene, SAE 10W-30 motor oil, and water at a temperature of 38°C (100°F). show solution.3) The viscosity of the Newtonian fluid with a density of 650 kg/m³ is determined with a viscometer as shown in the figure below. The required torque (T=F.r) applied to the inner cylinder (r¡ = 4 cm) to rotate with an angular velocity of 6 rad/s is 3x10-7 Nm. If the velocity distribution in the clearance between the cylinders is linear, a) Find the viscosity (µo) of the fluid b) Find the shear stress on the side surfaces in the viscometer if the viscosity varies according to µ= H0 (1-r/r2) where r2 = W=6rad/s 2cm 150mm ri+2 (cm) due to heating during rotation. .fluidFind the kinematic viscosity of an oil having density of 978 Kg/m³. The shear stress at a point in oil is 0.2531 N/m? and velocity gradient at that point is 0.22 per second. * 15.73 stoke 11.76 stoke 13.56 stoke O 20.16 stoke