Moring (B)Q1. An oil of relative density 0.92 and dynamic viscosity 0.082 Pa.sec flows in an 80mm diameter pipe. In a distance of 20 m the flow has a head loss of 2 m. Calculate (i)the mean velocity. (ii) discharge, (iii) velocity and shear stress at a radical distance of38 mm from the pipe axis and (iv) boundary shear stress.

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Answered: Moring (B) Q1. An oil of relative…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Q3. SAE 30 oil (Sp. Gr. =0.833) with a dynamic viscosity 0.28 N.S/m? flows in a 4-cm-diameter pipe which is inclined with an angle 37°. For the pressure measurement shown, determine A. Whether the flow is up or down The flow rate in m'/h C. The shear stress and velocity 1 cm from the boundary Draw the shear stress and velocity profile with the section of the pipe. В. D. P-180 kPa P- sOokPa 15m 20m
Q2. Oil with an absolute viscosity of 0.125 N.s/m² and a density of 890 kg/m' is flowing in a 16.5 cm diameter pipe at a 7.5 L/s flow rate. • The fully developed flow is expected to start after.. ... m of pipe entrance.. • plot the shear stress within the pipe cross section.
PROBLEM 2 The pipe bend shown is in a horizontal plane. Oil with a specific gravity of 0.86 enters the reducing bend at section A with a velocity of 3.2 m/s and a pressure of 150 kPa. Neglecting head loss, determine (a) The velocity at section B, V (m/s) (b) The pressure at section B, ps (kPa) (с) Fмх (N) (d) FMY (N) (е) Fpx (N) (f) Fpy (N) (g) The x-component of the reaction by the bend, FRx (N) and (h) The y-component of the reaction by the bend FRY (N). de = 100 mm B- da = 150 mm 30°
A certain llquid flows In a 10mm dlameter smooth plpe that Is 20 m long. The total head lost in the pipe is 30 m and the Reynolds number is 1800. a. What is the friction factor f? b. What is the value of the kinematic viscosity of the liquid? c. What is the discharge?
Oil of viscosity 0.1 Pa.s and specific gravity 0.90, flows through a horizontal pipe of 25 mm diameter. If the pressure drop per meter length of the pipe is 12 kPa, determine (a) the rate of flow in N/min; (b) the shear stress at the pipe wall; (c) the Reynolds number of the flow; and (d) the power required in W per 50 m length of pipe to maintain the flow. [Take: unit weight of water = 9810 N/m³]
A. Select the most appropriate flow profile (from # 1 to #6 in Figure Q1.A) for each of the fluid types listed below. a. Newtonian b. Shear Thinning c. Shear Thickening Bingham Plastic d. #1 DD y=0 y = ymar P #4 2 #12 #5 P #3 #6
The pipe bend shown is in a horizontal plane. Oil with a specific gravity of 0.86 enters the reducing bend at section A with a velocity of 3.2 m/s and a pressure of 150 kPa. Neglecting head loss, determine (a) The velocity at section B, V3 (m/s) (b) The pressure at section B, ps (kPa) (c) FMx (N) de = 100 mm B da = 150 mm 30°
A3 mm diameter tube is inserted into a fluid with Surface tension is 0.04 N/m, Density 1400 kg/m Wetting angle is 7°. Calculate the capillary rise.
3. From d figure below, if the atmos. pressure is 770mm of Hg, fınd: a) Rm if the pressure at B is 797mm of Hg abs. b) If Rm=58mm, find the pres. at B in meters of water abs. Hg A Air Oil Sp. Gr. = 0.8 R. Water 750 mm 80 mmy +B 200 mm ....
1. [Ch4 – 2] A hydraulic oil with the absolute viscosity of 0.09 N.s/m² and specific gravity of 0.9, is flowing in a 30-mm- diameter pipe at a velocity of 6 m/'s, detemine: a. The Reynolds number? Is the flow laminar or turbulent? b. The head loss due to friction in units of bars for a 100-m length of smooth pipe. 2. [Ch4 - 2] The kinematic viscosity of a hydraulic oil is 0.0001 m/s. If it is flowing in a 20-mm- diameter commercial steel pipe, find the friction factor for: a. The velocity of 5 m/s b. The velocity of 50 m/s
Question 4 A 150 mm diameter pipe is connected to a large tank with a bellmouth inlet. The pipe is carrying oil (specific gravity 0.85) with an absolute viscosity of 0.0056 N-s/m² and the roughness elements of the pipe wall is estimated as k = 0.9 mm. (a) Above what flow rate will this pipe behave as a fully rough pipe? (b) Below what flow rate will it behave as a smooth pipe?
A time independent non Newtonian fluid of density 0,00085kg/cm3 flows in a cylindrical pipe with a mean linear velocity of 1.70 m/s at steady state. The pipe is 3m long with an inside diameter of 0.075m. The point pipe consistency coefficient is 1.52 (N/m2)s0.3 and the flow behavior index is 0.3. Determine: a) The point values of the apparent viscosity. b) Reynolds Number. c) Pressure drop in Pascals.

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