Resolving of Example (1-3) Two reservoirs with a difference in elevation of 15 m areconnected by the three pipes in series. The pipes are 300 m long of diameter 30 cm,150 m long of 20 cm diameter, and 200 m long of 25 cm diameter respectively. Thefriction factors for the three pipes are, respectively, 0.018, 0-020 and 0-019, and whichaccount for friction and all losses. Further the contractions and expansions are sudden.Determine the flow rate in l/s. The loss co-efficient for sudden contraction from dia. 30cm to 20 cm =0.24.use the complex LiquidPiping system (series Piping

Length and diameter of the pipes:-Pipe 1:- Length (L1 ) = 300 m, Diameter (D1) = 0.3 mPipe 2:-…

Answered: Resolving of Example (1-3) Two…

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

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Water at 20°C is to be pumped from a reservoir (Z₁ = 5 m) to another reservoir at a higher elevation (zB = 13 m) through two 36-m-long pipes connected in parallel, as shown in Fig. 1. The pipes are made of commercial steel, and the diameters of the two pipes are 4 and 8 cm. Water is to be pumped by a 70 percent efficient motor-pump combination that draws 8 kW of electric power during operation. The minor losses and the head loss in pipes that connect the parallel pipes to the two reservoirs are considered to be negligible. Write a Matlab code to determine the 13 unknown quantities, namely i. ii. iii. iv. V. vi. vii. viii. the total flow rate (ỷ) between the reservoirs the volume flow rate (V₁ and V₂) through each of the parallel pipes. the velocities (V₁ and V2) through each of the parallel pipes. The total head loss, h₁ the head loss (hL,1 and h₁2) through each of the parallel pipes. Useful Pump head, hpump,u the Reynolds number (Re₁ and Rе2) through each of the parallel pipes. the…
The tank below is cylindrical and has a vertical axis. Its horizontal cross-sectional area is 10 m2. The tank has a layer of water under a layer of gasoline (S.G= 0.72). Three holes were drilled in the tank, one at the bottom of the tank, the second hole is in the water layer, 2 m from the bottom. The third hole was drilled 1S 11 in the gasoline layer 5 m from the bottom. The initial discharge velocities from the bottom and the third holes were also recorded as shown in the table below.
A circular thin plate is placed on the top of a tube, as shown in the figure. (a) Find the exit velocity from the gap. (b) Find the velocity and pressure distributions in the gap between plate and tube’s tip for d/2 < r < D/2. Use ?air = 1.2 kg/m3 and Patm = 101,325 Pa
Use= Resolving of Example (1-3) Two reservoirs with a difference in elevation of 15 m are connected by the three pipes in series. The pipes are 300 m long of diameter 30 cm, 150 m long of 20 cm diameter, and 200 m long of 25 cm diameter respectively. The friction factors for the three pipes are, respectively, 0.018, 0-020 and 0-019, and which account for friction and all losses. Further the contractions and expansions are sudden. Determine the flow rate in l/s. The loss co-efficient for sudden contraction from dia. 30 cm to 20 cm = 0.24. Le-L₂ (D.) ² Le = L3 (D₁) ² 5 D3 LT. L₁ + L₂ ( D₁ ) ³ + L3 (D²₂) ³ 5 5 D3
Kindly solve this problem with complete solution so that I can Understand. Correct Final answer: 176.58 kPa
As5
Three pipes are connected in parallel. The difference in heads in each pipe is 40 m.Pipes Diameter (cm) Length (m) Friction factor1 15 500 0.022 10 450 0.033 20 800 0.0254. If a fourth pipe 25 cm in diameter and length 1100 m with f = 0.018 were attached at the end of the three pipes,what would be the velocity of the water at the fourth pipe?
2
Consider a pipe that has a diameter D = 18 inches and a length L = 2,000 feet. The pipe delivers water from an upper reservoir to a lower reservoir. The water surface elevation of the upper reservoir is 50 feet and the water surface elevation of the lower reservoir is 0 feet. The water temperature is 50°F. Use the Darcy- Weisbach equation with a friction factor f = 0.0125 to evaluate the friction head loss hfric. Assume that minor losses are equivalent to 15% of the friction head losses (i.e., hminar = 0.15 x hfic So total head loss hi total = hfic + hminar = 1.15 x hfnc). a) Determine the flow in cubic feet per second (cfs). b) Determine the friction head loss hfñic in feet. c) Determine the minor head loss hminar in feet. d) Does hfric + hminer = 50 feet? If yes, GREAT! If not, find your mistake.
Pls help ASAP.
Tank 1 Tank 2 g Question 1 Consider the flow of water (p= 10³ kg/m³, u = 10³ Pa-s) from tank 1 to tank 2. A centrifugal pump is installed in this piping system with length L = 300 m and diameter D = 40 cm cast-iron pipe. The water surface of tank 1 is 15 m higher than the water surface of tank 2. You may neglect minor losses but not major losses. The gravity cannot be neglected. Assume steady-state and no friction in the tanks. (a) Simplify the equation of the system curve Ap vs Q. Do not place numerical data. (b) Plot the system curve Ap vs Q (0 ≤Q≤2 m³/s). (c) Find the volumetric flow rate when the pump is not operating. (d) Find the power supplied to the water and to the pump if n = 0.9 and 1 m³/s. (e) Consider a pump: Ap = 106 105 Q², where Ap in Pa and Q in m³/s. Find the operating point. What is the minimum and maximum volumetric flow rate that this pump can deliver?

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