Convert the units that are blank with the given data 2. Use equations to obtain results from the given information. 3. Show calculations
Convert the units that are blank with the given data 2. Use equations to obtain results from the given information. 3. Show calculations
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
Related questions
Question
1. Convert the units that are blank with the given data
2. Use equations to obtain results from the given information.
3. Show calculations
![Flow Measurement
P- PB
Ah
AP = P – P =Y Ah
(1)
В
Ah =
2g
Hence,
Since,
V = 2
where Q is the flow rate in [m/s] or [ft³/s], and
A
A is the flow area of the section in [m²] or [ft²]
V; -V; 1 [Q² Q
A
2g| A
A
2g
Q²| 1
Ah =
1
Substituting,
2g | A
A
1
K =
1
1
Let K be a geometry constant of the venture tube,
(2)
2g A A
-- ( 3)
Ah = KQ²
Substituting for A1, A, and g in both unit systems, we get;
Thus
K = 4952170 s² /m°| for Q in [m³/s]
K = 12950 s² / ft° for Q in [ft/s]
Ah
Solving for
Venturi
-(4 a)
K
Taking into account the discharge coefficient C, the obtained flow rate is
Ah
-(4b)
Venturi
K](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9fd72755-fbcd-4bf5-b9e3-e08fe5879c40%2Fa16a4df8-dfe1-420b-b138-929c64e0e0e4%2Fzmcof2u_processed.png&w=3840&q=75)
Transcribed Image Text:Flow Measurement
P- PB
Ah
AP = P – P =Y Ah
(1)
В
Ah =
2g
Hence,
Since,
V = 2
where Q is the flow rate in [m/s] or [ft³/s], and
A
A is the flow area of the section in [m²] or [ft²]
V; -V; 1 [Q² Q
A
2g| A
A
2g
Q²| 1
Ah =
1
Substituting,
2g | A
A
1
K =
1
1
Let K be a geometry constant of the venture tube,
(2)
2g A A
-- ( 3)
Ah = KQ²
Substituting for A1, A, and g in both unit systems, we get;
Thus
K = 4952170 s² /m°| for Q in [m³/s]
K = 12950 s² / ft° for Q in [ft/s]
Ah
Solving for
Venturi
-(4 a)
K
Taking into account the discharge coefficient C, the obtained flow rate is
Ah
-(4b)
Venturi
K
![Processing Results
Water's Specific Weight, y =
Water's Temperature: 21°C
K= 4952170 s² / m³
kN/m3
Measured Flow Rate
From Rotameter
Measured Ah,
from manometer
Flow Rate from Venturi
Coefficient C
eq. (4a)
Qrotameter
Trial
C
Qventuri
LPM
m/s
[in]
[m]
m3/s
LPM
1
5
1.3
2
7.5
3
62.30 lb/ft³
Water's Temperature: 69.8 °F
K = 12950 s? / ft³
Water's Specific Weight, y =,
Measured Flow Rate
Measured Ah,
Flow Rate from Venturi ,
Coefficient C
From Rotameter
from manometer
eq. (4a)
Trial
Crotameter
C =
Qventuri
GPM
ft/s
[in]
[ft]
ft/s
GPM
1
1.9
2.5
2
2.5
3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9fd72755-fbcd-4bf5-b9e3-e08fe5879c40%2Fa16a4df8-dfe1-420b-b138-929c64e0e0e4%2Fpiz1cy_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Processing Results
Water's Specific Weight, y =
Water's Temperature: 21°C
K= 4952170 s² / m³
kN/m3
Measured Flow Rate
From Rotameter
Measured Ah,
from manometer
Flow Rate from Venturi
Coefficient C
eq. (4a)
Qrotameter
Trial
C
Qventuri
LPM
m/s
[in]
[m]
m3/s
LPM
1
5
1.3
2
7.5
3
62.30 lb/ft³
Water's Temperature: 69.8 °F
K = 12950 s? / ft³
Water's Specific Weight, y =,
Measured Flow Rate
Measured Ah,
Flow Rate from Venturi ,
Coefficient C
From Rotameter
from manometer
eq. (4a)
Trial
Crotameter
C =
Qventuri
GPM
ft/s
[in]
[ft]
ft/s
GPM
1
1.9
2.5
2
2.5
3
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