LECTURE Sp 1. Oil (relative density 0.85, dynamic viscosity-4.5x10-2kg/m-s) flows through a 75 mm diameter pipe...
Question 1 If Glycerine is pumped through a horizontal pipe, with 50 mm diameter and 65 m length, at a rate Q-4.5x10 m/s. If the flow is steady and fully developed, then do the following: (1) Calculate Reynold number, Re, and show the flow is laminar [3 marks (ii) calculate the friction factor, f, [2 marks] (iii) determine the total head loss, Ah, [3 marks (iv) determine the wall shear stress, tw. [4 marks) Take the density and dynamic viscosity...
help me to answer question 9,11,13 please Oilspecific gravity 0.85 and dynamic viscosity 1.52 x 103 Pa.s to flow in a 550 mm diameter uPVC pipe. The allowable friction head loss is imited to 15 m and length of pipe is 100 m. al using Darcu-Weisbach formula, determine the flow velocity, the friction factor and the flow rate. using Hazen-Wiiams formula, determine the velocity and the flow rate. MoN 10 Water must flow in a straight 450 mm diameter galvanized...
2. The kinetic viscosity of a hydraulic oil is 110cP. The oil is flowing in a 20-mm diameter commercial steel pipe with the length of 45-m. If the velocity of oil is 4-m/s and specific gravity is 0.9 find the following a. Reynolds number b. Friction factor c. Head losses. 2. The kinetic viscosity of a hydraulic oil is 110cP. The oil is flowing in a 20-mm diameter commercial steel pipe with the length of 45-m. If the velocity of...
Question 3 [20 marks] Water (density p1000 kg/m2; dynamic viscosity 0.001 Pa-s) flows steadily through a horizontal, straight pipe with circular cross section of diameter D=0.2 m. The volumetric flow rate is 0.01 m°/s. Argue that this is turbulent flow. [4 marksl а. Pressure drop in the pipe is due to friction. The pressure drop per unit length can be written as Др 4f L with U the average velocity in the pipe and fthe friction factor. Given the pipe...
Oil flows with a velocity of 4 m/s through a 30 mm diameter tube. A model of this system is to be developed using standard air as the model fluid The air velocity is to be 2 m/s What tube diameter is required for the model if dynamic similarity is to be maintained between model and prototype? Kinematic viscosity of air = 1.6 x 10-5 m2/s, Kinematic viscosity of oil = 1.2 x 10-3 m2/s 0.45 mm 0.8 mm 4.5...
Question 4 Oil flows with a velocity of 4 m/s through a 30 mm diameter tube. A model of this system is to be developed using standard air as the model fluid. The air velocity is to be 2 m/s. What tube diameter is required for the model if dynamic similarity is to be maintained between model and prototype? Kinematic viscosity of air = 16 x 105 m2/s, Kinematic viscosity of oil 1,2 x 103 m2/s 0.45 mm 0.8 mm...
1. a. A fluid of density 1400 kg/mand viscosity of 0.9 kg/m.s flows through an 80 mm diameter pipe with a velocity of 5 m/s. What type of flow exists in the pipe? Justify your answer. (2 marks) b. A shaft 70 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 with kinematic viscosity v = 0.005...
Glycerin at 20 °C flows upward in a vertical 75-mm-diameter pipe with a centerline velocity of 3.8 m/s. Determine the (a) head loss and (b) pressure drop in a 10-m length of the pipe. (a) h kPa (b) Др —
Water flows through a pipe at a velocity of 1 m/s. The pipe has a relative roughness of 0.001 and has a diameter of 100 mm 1. Using the information provided above and in the Moody diagram, drag and drop circle 1 (located below the graph) where the corresponding Reynolds number and relative roughness intersect 2. Drag and drop circle 2 to the point on the y axis at which you would measure the friction factor () v 10-6 m2/s...
Glycerin at 20°C flows upward in a vertical 75-mm-diameter round pipe with a centerline velocity of 1.0 m s-1 . Determine the pressure drop and head change (hL = ?P / ?g) in a 10 m length of pipe.