A 120 mm diameter shaft is rotating at 280 rpm in a sleeve of 128 mm internal diameter and 800 mm length as in the Fig. the space between the shaft and tube is filled with liquid of viscosity 0.25 N.sec/m', the shear force -.N and the power required to overcome the viscous resistance ...Watts (N.m/sec).

A 120 mm diameter shaft is rotating at 280 rpm in a sleeve of 128 mm internal diameter and 800 mm length as in the Fig. the space between the shaft and tube is filled with liquid of viscosity 0.25 N.sec/m', the shear force -.N and the power required to overcome the viscous resistance ...Watts (N.m/sec).

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.4P: 5.4 Evaluate the Stanton number for flow over a tube from the following data: , , , , .

See similar textbooks

Similar questions

I've been struggling about this problem. How can I get the fluid velocity from the Reynolds numbers. That is the required value for Re. If, the given values are Water Density = 10000 kg/m3, Diameter of tube = 0.05m and Dynamic Viscosity = 0.001 Pa-s. If the formula is Re = Vρd/μ.
Calculate the pressure drop of starfruit juice drink that flows with a velocity of 1.5 m/sthrough 1.2 m of horizontal sanitary stainless steel tubing with 9 mm inner diameter. Thedensity and viscosity of starfruit juice drink are 2300 kg m -3 and 0.8 x 10 -3 kg m -1 s -1 ,respectively. Calculate the energy losses due to the friction. Use the Moody diagram tosolve this problem.
Calculate the pressure drop through horizontal sanitary stainless steel tubing (9 mminner radius and 1.2 m long) for an apple juice drink that flows with a velocity of 3.13 ms -1 . The density and viscosity of apple juice drink are 1100 kg m -3 and 0.8 x 10 -3 kg m -1 s -1 , respectively. Use the Moody diagram to solve this problem.
A shaft 70.0 mm in diameter is being pushed at a speed of 400 mm/s through a bearing sleeve 70.2 mm in diameter and 250 mm long. The clearance, assumed uniform, is filled with oil at 20 deg C with kinematic viscosity of 0.005 m^2/s and specific gravity 0.9. If the shaft is fixed axially and rotated inside the sleeve at 2000 rpm, determine the power required to rotate the shaft.
Conduct thorough a research on Reynolds Number, laminar and turbulent flow as it relates to mechanics of fluids
PROB E. A capillary –tube viscometer is being selected to measure viscosity of a liquid food. The maximum viscosity to be measured will be 230 cP and the maximum mass rate is 900 grams per hour. If the tube length is 10 cm and the maximum sustainable pressure is 25 Pa, determine the nominal diameter size of the tube to be used.
3.1 A cylindrical plug, 120mm long with a diameter of 95 mm, slides concentrically in a fixed cylinderwith an internal diameter of 95,2 mm. The radial clearance is filled with oil with a viscosity of 0.2 Pa.sCalculate the Force required to slide the plug along the cylinder at a speed of 5 m/s against the viscousresistance of the oil, the power lost due to the viscous resistance and the Kinematic viscosity of the oil ifits density is 850 kg/m 3 . A pressure intensifier is used in reverse deboost the pressure in a hydraulic system from 15MPa to7MPa. The volume of fluid required in the low pressure side is 700ml and the length of the stroke of thepiston is to be half the diameter of the low pressure piston. Calculate the diameters of the high-pressureand low pressure sides as well as the stroke length of the piston.
Oil (with kinematic viscosity ν = 4x10-5 m2/s and specification SG= 0.9) flows from the upper reservoir to the lower one, with a flow rate of 0.028 m3/s in a smooth copper tube with a diameter of 15 cm, what is the elevation of the oil surface in the upper reservoir?
A sleeve of 10cm encases a vertical metal rod 3.0cm in diameter with radial clearance of 0.02mm. if when immersed in oil of viscosity 6.0 poise , the effective weight of the sleeve is 7.5N , will the sleeve slide down the rod and if so, at what velocity?
A shaft 70-mm in diameter is being pushed at a speed of 400mm/s through a bearing sleeve 70.2-mm in diameter and 250mm long. The clearance is filled with oil with a kinematic viscosity of v = 0.005 ?2/? and SG=0.9. Find the frictional resistance exerted by the oil on the shaft in Newtons (N). And when the shaft is fixed axially and rotated inside the sleeve at 2000 rpm, determine the resisting torque exerted by the oil and the power required to rotate the shaft in kiloWatts (kW).
PROB 3 A capillary tube is being used to measure the viscosity of a Newtonianliquid. The has a 20-mm radius and a length of 20-cm. Estimate theviscosity coefficient for the liquid if the pressure of 2500 Pa is required tomaintain a flow rate of 1 kg/s with ρ = 998 kg/m3
Water flowing in a straight cylinder tube with radius of 3mm, has a maximum velocity U0=15cm/s. If the density and viscosity of the water are 1000kg/m3 and 1.0 x 10 -3 (Pa.s), and the flow is fully developed with a profile of u=U0(1-(r/a)2), calculate the Reynold’s number of the flow; calculate the mass flow rate in units of kg/s in the tube If the tube has a length of 50cm, calculate the flow resistance force of the tube wall imposed to the flow.