5m 10 m Fig. 1 10 mm 30° P₂=300 kPa
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- Q.5 Determine the volumetric flow of water in m3/hr flowing in a pipehaving a diameter of 40 mm through an orifice having a diameter of 20 mm.Manometer reading across the tapping is 15 cm of Hg. Assume correctionfactor = 1. Reynolds number Ra is 105 . Assume density of water = 1000 kg/m3and kinematic viscosity is 10–2 stokes (cm2/sec). Also calculate the pressuredifference at the tappings. Assume Cd = 0.61.Q34State the three types of flow and explain them. 36. The accepted transition Reynolds number for a flow in a circular pipe is Red,crit = 2300. For flow through a 5cm diameter pipe, at what velocity will this occur at 20°C for lamm (ai) Air Re= Vagd (aii) water1. A liquid having a Reynolds Number of 1900 flows thru a 200 mm diameter pipe, 150 m long. The head loss of the pipe due to friction is 22 m. Compute the rate of flow in liters/sec. a. 129.857 b. 291.785 c. 192.587 d. 219.875
- 2. Given v= 4x10-5m²/s for a given fluid flows in a 1350m long pipe having a diameter of 25mm. %3D determine the head lost required to maintain a velocity of 1.5m/sQ2) The velocity distribution for turbulent flow in pipes can be represented by the following equation: u- Ū y = 5.75.log10+3.75 in which: %3D u. u is the local velocity, U is the average velocity, u, is shear velocity, y is the distance from pipe wall, and R is the radius of the pipe. Show that: -2.03 f log10 Итах u %3DWater flows from the pipe shown below as a free jet and strikes a circular flat plate. The flow geometry shown is axisymmetrical. Determine the flowrate and the manometer reading, H.
- Q3: A pitot-static tube is used to measure the flow velocity of turpentine flowing in a pipeline if the manometer reading is 8 cm of mercury, calculate the average velocity, pressure drop, and volumetric flow rate at that point in the pipe line. Also evaluate Reynold number for turpentine and which type of flow in the pipe. Ph J Re Density of turpentine is 850 kg/m³, density of mercury is 13600 kg/m³, cv = 1, D=10 cm, turpentine 0.001375 and 0 = 45°. =Benzene (SG=1.587) flows through a 150-mm diameter pipe at a mean velocity of 3.50 m/s. Find the weight flow rate. Unit of the Correct Answer: N/s O 269.219 O 962.912 O 926.912 O 692.291The velocity field of a fluid v (in meters per second) has divergence div(v)(P) = 3 at the point P = (1, 1, 4). Estimate the flow rate out of the sphere of radius 0.4 centered at P. (Use decimal notation. Give your answer to four decimal places.) flow rate: 2.0106 Incorrect
- Qsn. Plot the flow curve of liquid limit according to the data given in the table.A horizontal venturimeter with a 100 mm diameter throat section is used to measure the volume flow rate of water at 20°C in a 200 mm pipeline. If the pressure in the pipeline at the entrance to the venturi meter is 480 kPa and the pressure in the throat of the venturi meter is measured 400 kPa, estimate the actual flowrate (Qact) in the pipe in liters per second. Assume the velocity coefficient (C) of the venturi meter as 0.98 and the contraction coefficient (CC) as 0.99. Use the density of water at 20°C from Table B.2 (998.2 kg/m³). P1 Section 1 P2 Section 2 (Throat) -Flow- StreamlineDevelop the expression to determine: the elevation of the oil-water surface (Yi) and the pressure gradient for a water phase and an oil phase that is moving between two parallel plates showed on the figure. The flow rates at the inlet are 0.1 ft3/sec (same for both fluids) and the viscosities are 100 and 0.89 cps for oil and water respectively. 01 Water 12" 0il 2 Water 1 Fig. 1 Laminar Flow of Water and oil between interface Two Parallel Plates. Fig. 2 Two Dimensional Flow of oil and Water.