absolute roughness is o.03mm (for both sections), Determine the heightH. Neglect local losses. Tip: Losses in pipes connected one afteranother (as in the figure) they add up2. Consider the system shown. If the flow is Q = 220 lts / s and theHL=500 mD=45 cmL=800 mD=30 cm

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Answered: absolute roughness is 0.03mm (for both…

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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Figure Q1 shows an internal piping system of a building. The pipe is uPVC of total length 35 m. The minor loss coefficients are as shown in the figure. The flow velocity in the pipe is designed to be 1.0 m/s and the residual pressure head at appliance X must be at least 0.8m. Determine the required pipe diameter using Darcy Weisbach formula. Level 8.5 m k = 0.8 Water tank IT Roof beam Minor loss coefficients: E Stop valve, k = 10 O 90°elbow, k = 1 Level 4 m Figure Q1
Water flows steadily downward through the pipe shown in the figure below. Viscous effects are negligible, and the pressure gage indicates the pressure is zero at point (1). Determine (a) the flowrate and (b) the pressure at point (2). (a) Q = (b) p2 = 2.1ft 3.1ft ↓s -0.12 ft (1) 5 -0.1 ft -free jet ft³/s lb/ft²
pipe 310 m Water is flowing in a straight concrete lining centrifugally spun pipe as shown in the figure problem 12. The difference between the two gauge readings is 185 kPa. The flow rate is designed to be 30 liter/s. By using Darcy Weisbach and Hazen William's formula, determine the pipe diameter. (Ans.: 228 mm, 123 mm) TABLE 5.1: Pipe Characteristies Pipe Hazen-William* Roughness e (mm) 0.15 C 140 Asbestos Cement (AC) – all ages Cast Iron, Ductile Iron - new 0.3 130 10 years old - 20 years old 1.5 3.0 100 90 Cast Iron coated – good condition all ages Welded steel - uncoated - new 0.3 135 125 100 100 - old 0.6 1.5 Coal tar enamel coated steel – new Concrete lining centrifugal spun – all ages Galvanized Iron (GI), Mild Steel (MS) HDPE, UPVC, Polyethylene Wrought Iron Copper, Brass *The Malaysian Water Association - MWA (Design Guidelines for Water Supply Systems) 0.15 0.15 140 0.3 130 0.015 155 0.045 ND 0.0015 ND ND = No Data
A/ In the pipe systems show, find the distribution of flow, with a friction factor of 0.0165. Assume that minor losses can be neglected. (use Darcy-Wiesbach) B/ If the pressure at first point (Qin) =580 KPa, then find the pressure at point E. Pipe Đia.-m Length-m 04 ms m3's A 0.658544 1 AB 0.305 500 G 2 BC 0.205 300 3 AC 0.505 400 CF 0.305 350 Loop 2 FG 0.305 300 1026M5 mas 6 GA 0,405 300 7. 05 mas 8. CD 0.405 400 Loop 1 DE 0.405 300 9 EF 0.205 500 B. 10.4 m3s 04 ms Loop 3 0.31598 m3s D E 0.3 m3s
1.
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03. Find the pressure difference between A and В Oil RD = 0.8 Water 0.4m 0.2m 0.3m Water 0.4m 0.4m B (a) 1692 Pa (b) 1913 Pa (c) 2141 Pa (d) 2551 Pa
Q1: Derie an epressin for the shear stress at the pipe wall when an incompressible faid flows draugh a pipe wnder pressure. Use dinmsional ana)sis witk the following siguißcant parameters: pipe diameter D, flow velociy V, and vicenity and density p of the fuid. Q2: : Use dinensional analysis to derive as epression for the power develaped by an engine in terms of the torque T and rotartive speed u.
Solve the pipe network shown in the figure. The 12 in and 16-in are of new cast iron, while the 18 and 24 in are of average concrete. Assume n=2.0 and use the values of f from figure 8.11 for complete turbulence. If the pressure at h is 80 psi, find the pressure at f
the marked answers are correct. Expalin the steps

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absolute roughness is 0.03mm (for both sections), Determine the height H. Neglect local losses. Tip: Losses in pipes connected one after another (as in the figure) they add up 2. Consider the system shown. If the flow is Q = 220 lts / s and the L=500 m D=45 cm L=800 m D=30 cm