Especificar uma bomba centrífuga, a partir da Figura 3.15, em termos de potência, eficiência e diâmetro do rotor, para uma unidade de tratamento de água (ρ= 0,997 g/cm³ e μ= 0,917 cP), ilustrada na Figura 3, que consiste em um filtro (A) e uma coluna de troca iônica (B). A capacidade de instalação é de 40m³/h e o comprimento total da tubulação é de 35 m. A tubulação é feita de aço comercial de 3'', rugosidade relativa igual a 0,001 e possui válvula globo (aberta) e 9 cotovelos (longos) de 90°. 2) Specify a centrifugal pump, from Figure 3.15, in terms of power, efficiency and rotordiameter, for a water treatment unit (p= 0.997 g/cm³ and μ= 0.917 cP), illustrated in Figure 3,which consists of a filter (A) and an ion exchange column (B). The installation capacity is 40m³/hand the total length of the pipe is 35 m. The piping is made of 3" commercial steel, relativeroughness equal to 0.001 and has a globe valve (open) and 9 elbows (long) of 90°.Figura 3 Exercicio proposto 5.Carga total (ft)110-10090807060-50-Diámetro dorotor 10 pol.9 pol.8 pol.7 pol.4030 6 pol2010.001010050+ +10 20503/NSPH 455 6065Rendimento5/ 6/t67/2 HP3003 HP150 200 25035030 40 50 60 70 80Capacidade (vazão volumétrica)7865SHP400+908/t-35Figure 3.15-30The difference in level between points 1 and 2 can be considered zero, while the loads relativeto columns A and B are, respectively, equal to 16 m and 4 m.Answer: D=9 in, n=57%; Wu= 7.5 HP.-2510HP7% HP-10-520-15Carga total (m)-0450 gal/min100 m³/h

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Answered: 2) Specify a centrifugal pump, from…

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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Especificar uma bomba centrífuga, a partir da Figura 3.15, em termos de potência, eficiência e diâmetro do rotor, para uma unidade de tratamento de água (ρ= 0,997 g/cm³ e μ= 0,917 cP), ilustrada na Figura 3, que consiste em um filtro (A) e uma coluna de troca iônica (B). A capacidade de instalação é de 40m³/h e o comprimento total da tubulação é de 35 m. A tubulação é feita de aço comercial de 3'', rugosidade relativa igual a 0,001 e possui válvula globo (aberta) e 9 cotovelos (longos) de 90°.

2) Specify a centrifugal pump, from Figure 3.15, in terms of power, efficiency and rotor
diameter, for a water treatment unit (p= 0.997 g/cm³ and μ= 0.917 cP), illustrated in Figure 3,
which consists of a filter (A) and an ion exchange column (B). The installation capacity is 40m³/h
and the total length of the pipe is 35 m. The piping is made of 3" commercial steel, relative
roughness equal to 0.001 and has a globe valve (open) and 9 elbows (long) of 90°.
Figura 3 Exercicio proposto 5.
Carga total (ft)
110-
100
90
80
70
60-
50-
Diámetro do
rotor 10 pol.
9 pol.
8 pol.
7 pol.
40
30 6 pol
20
10.
0
0
10
100
50
+ +
10 20
50
3/
NSPH 4
55 60
65
Rendimento
5/ 6/t
67/
2 HP
300
3 HP
150 200 250
350
30 40 50 60 70 80
Capacidade (vazão volumétrica)
78
65
SHP
400
+
90
8/t
-35
Figure 3.15
-30
The difference in level between points 1 and 2 can be considered zero, while the loads relative
to columns A and B are, respectively, equal to 16 m and 4 m.
Answer: D=9 in, n=57%; Wu= 7.5 HP.
-25
10HP
7% HP-10
-5
20
-15
Carga total (m)
-0
450 gal/min
100 m³/h

Expert Solution

Step 1: Specify a centrifugal pump in terms of power, efficiency and rotor diameter

$bold Given bold colon Water space density comma space straight rho equals 0.997 space straight g divided by cm cubed equals 997 space kg divided by straight m cubed Dynamic space viscosity space of space water comma space straight mu equals 0.917 space cP equals 0.000917 space straight N. straight s divided by straight m squared The space installation space capacity comma space straight Q equals 40 space straight m cubed divided by straight h equals 40 over 3600 straight m cubed divided by straight s Total space length space of space the space pipe comma space straight L equals 35 space straight m Pipe space diameter comma space straight d equals 3 space inch equals 3 cross times 0.0254 space straight m equals 0.0762 space straight m space space space space space space space space open square brackets 1 space inch equals 0.0762 space straight m close square brackets Relative space roughness space of space the space pipe comma space straight epsilon over straight d equals 0.001 Pipe space fittings colon space 1 space globe space valve space open parentheses open close parentheses comma space 9 space long space elbows space of space 90 to the power of straight o Elevation space difference space between space 1 space and space 2 comma space straight z subscript 2 minus straight z subscript 1 equals 0 Load space of space column space straight A space and space straight B comma space straight h subscript LA equals 16 straight m space and space straight h subscript LB equals 4 space straight m bold Find bold colon The space power comma space efficiency space and space rotor space diameter space for space the space suitable space pump$

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