5. A 50-m duct is 0.060-m in diameter (Figure 2). Calculate the flow rate (m³/sec). Pfluid=917 kg/m³ (density of fluid). 1 Hfluid = 13.6 Pas (viscosity of fluid). TT-3.14 g=9.81 m/s² HINTS: Use Bernoulli. No unit conversion is needed. Consider the flow as laminar. Point 2 is datum level. Velocity and pressure heads at point 1 are zero (open to atm). Elevation and velocity heads at point 2 are zero (datum level and open to atm). 12 m L = 50 m 205000 Pa gage 2 Figure 2

5. A 50-m duct is 0.060-m in diameter (Figure 2). Calculate the flow rate (m³/sec). Pfluid=917 kg/m³ (density of fluid). 1 Hfluid = 13.6 Pas (viscosity of fluid). TT-3.14 g=9.81 m/s² HINTS: Use Bernoulli. No unit conversion is needed. Consider the flow as laminar. Point 2 is datum level. Velocity and pressure heads at point 1 are zero (open to atm). Elevation and velocity heads at point 2 are zero (datum level and open to atm). 12 m L = 50 m 205000 Pa gage 2 Figure 2

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

1. A piston-cylinder is producing a viscous oil flow, which has the flow rate of Q, radius R=1.5 mm, and stroke L-5 mm. The fluid density is p = 800 kg/m³ and the viscosity is μ = 0.5 Pa-s. The pressure to drive the flow is p-6.25 Pa. a. How many non-dimensional groupings can be obtained? Derive them. b. If the flow transitions at Re = V(2R) =2300. Is the generated flow laminar or turbulent given Q=20 mL/s? c. Assume the pressure gradient is uniform on the cross-section and can be calculated using - The velocity profile in the cylinder is u(r) = [1-2²]. Sketch the velocity profile. Calculate the shear stress at the ax 2μ δχ cylinder wall and label the direction. d. Calculate the flow rate Q with the velocity profile in (c).. e. If the shear stress is uniform over the cross-section, i.e. T = C, what's the pressure gradient distribution and sketch it? L r L. R
1. A piston-cylinder is producing a viscous oil flow, which has the flow rate of Q, radius R=1.5 mm, and stroke L-5 mm. The fluid density is p = 800 kg/m³ and the viscosity is μ = 0.5 Pa-s. The pressure to drive the flow is p=6.25 Pa. a. How many non-dimensional groupings can be obtained? Derive them. b. If the flow transitions at Re = PV(2R) =2300. Is the generated flow laminar or turbulent given Q=20 mL/s? LL c. Assume the pressure gradient is uniform on the cross-section and can be calculated using OP=-. The velocity profile in the cylinder is u(r) = ax - [1-(²]. Sketch the velocity profile. Calculate the shear stress at the R² ap 2UÔI cylinder wall and label the direction. d. Calculate the flow rate Q with the velocity profile in (c).. e. If the shear stress is uniform over the cross-section, i.e. T = C, what's the pressure gradient distribution and sketch it? L L. R
Use g=32.2 */sec2 (9.81 m/s2) and 60°F (16°C) water unless told to do otherwise.• Google schedule-40 pipe’s thickness at different nominal size to obtain the innerdiameter of the pipe for accurate determinaLon of flow velocity.• Must show your work to support your selecLon. Otherwise, no points will be given.• No peer discussion is allowed.. A cylindrical tank 5 ft high has a constant diameter of 4 ft is full of water. The tank has a hole2. A cylindrical tank 5 * high has a constant diameter of 4' is full of water. The tank has a holein its bo]om that measures 0.1ft^2. All losses are insignificant. How long will it take for the tankto empty? Note that you can NOT assume a staLc head and constant flow rate because thewater head in the tank decreases as the water flows out of the tank (A) 35 sec(B) 70 sec(C) 105 sec(D) 140 sec
* // In fig shown the pipe line have (QA=15 L/s),(DA=100mm), (DD=50mm),,(DB=DC=25mm), (QB=3QD), (uc=4m/s), Calculate the following using Sl units: 1- The velocity (U) in pipes (B): 2-The Volumetric flow rate(Q) in pipe (D). ; 3- The type of flow in pipe (A,B,C,D) ; 4- The mass flow rate (m.) in pipe (A,B,C,D).; note that: DA,DB, DC,DD = diameter ; kinematics viscosity 0.0001 m2/s ; . dynamic viscosity 0.088 kg/m.s B Water A D C
4. FLUID FLOW 1. The figure below shows a water tank with piping system for a small manufacturing plant. If water flows through the system ((A) at 40 L/s, what would be the pressure at point B? The water has a density of 998 kg per cubic meter and viscosity of 0.8 centipoise. measures 0.04089 m and 0.04826 m in inside and outside diameter, respectively. The tank is exposed to the atmosphere The 1.5 inches (nominal) wrought iron pipe Given: Q= 40L/s = 0.040 m/s p= 998 kg/m H=0.8 centipoise 0.001P-s = 0.08 P-S Reg'd: Pressure at B. = ? 1 cp i.d. = 0.04089 m o.d. = 0.04826 m length of pipe = 110 m
1. A hydraulic pump is shown in Figure 1, flow rate is 25 L/min, the diameter of suction pipe is 25mm, and the suction port of pump is higher than the oil surface of tank, h= 400mm. Kinematic viscosity of oil is 30x10-6m²/s, density of oil is 900kg/m³. If only the pressure loss along the straight suction pipe with length 500mm 75 is considered, calculate the vacuum degree of suction port. (2 = R, a =2) Figure 1
2. A turbine is used to produce 2700 hp by expanding the water between points 1 and 2. Water flow rate, static pressures and pipe diameters are given. Calculate the power lost in between point one and two. Note that the static pressure at point 2 is given in vacuum. (SGH =13.6) P1 = 60 psi Q = 150 ft³/s D = 3 ft Section (1) Turbine 10 ft P2 10-in. Hg %3D vacuum D2 = 4 ft Section (2)
1-A steel discharge pipe with a roughness equal to 0.5 mm is 800 m long and pumps 265 m³ of water per hour at a temperature of 20°C. The pipe diameter is 25 cm. Calculate the head loss. Data: kinematic water viscosity equal to 10-6 NOTE: if necessary, use Moody's DiagramHelp?
Q3/ A petroleum crude oil having a kinematics viscosity 0.0001 m²/s is flowing through the piping arrangement shown in the below Figure,The total mass flow rate is equal 10 kg/s entering in pipe (A) . The flow divides to three pipes ( B, C, D). The steel pipes are schedule 40 pipe. note that the dynamic viscosity 0.088 kg/m.s. Calculate the following using SI units: 1- The type of flow in pipe (A). 2- The mass velocity in pipe (B) GB. 3- The velocity in pipe (D) Up. 4- The Volumetric flow rate in pipe (D) QD. 5- The Volumetric flow rate in pipe (C) Qc. Oe = 2 o mm UB = 2UA Perralenm crude oL mic =? -> ma = 1o Kg/s = 50 mm Go 7000 K/m.s %3D Note that!. = 30 mm D: 0iameter, UIvelocity G mass velocity mass How ate.
B1. A water with viscosity 11.4x10-3 poise is flowing through a pipe of diameter 300 mm at the rate of 500 litres per sec. Find the Reynold's Number & the head lost due to friction in the pipe of length 1 km. (Enter only the values by referring the unit given. Also upload the hand written answers in the link provided) The velocity of flow of water (in m/s) is The value of Reynold's Number is The frictional loss in the pipe (in m) is
For a junction if pipe 1 diameter = 50 mm, mean velocity 2 m/s, pipe 2 diameter 40 mm takes 30% of total discharge and pipe 3 diameter 60 mm. Find the discharge in I/hr and velocity through each pipe? Comments on the results.
Determine the pressure drop over a reducer with the following conditions: Fluid density: 25 kg/m3Fluid velocity: 1.5 m/sFluid viscosity: 0.001 Pa*sInlet diameter: 0.12 mOutlet diameter: 0.019 mPipe absolute roughness: 4e-4 m Give your final answer in Pa, rounded to the nearest whole number. [Ignore entrance/exit losses and velocity loss terms]