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
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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
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
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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