s the velocity and fric

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Using the chart in figure 37.88, what is the velocity and friction loss of a 400 company airstream that is flowing through a 9 inch round duct?

Ass00
5000
500
Fpm velocity
4000
3600
-3200
3000
E 2800
2600
2400
OL 2200
2000
A1B00
F1600
7-
In. duct diom
1400
1200
1000-N
600
500
3004
30
CU. FT. OF AIR PER MINUTE
Fpm velocity
200
ms, up to The lines on chart
of Bound duct in inches,
Unit 37 Air Distribution and Balance
0.02 0.03004 0.060080I
100
000 2
24
22
000 I
0.2 0.3 04 0,6 0.8 I
20
006
In. duct diam,
008
18
009
1.
000
12
01
06
09
40
2아
10'0
0.02 0.03004 0.06008Q1
Sento 100,000 cfm. The horizontal lines on the chart
airflow in cfm,
of the chart
818888
02 03 0.4 0.6 0.8 I
FRICTION LOSS IN INCHES OF WATER PER 100 FT.
as indicated by the scale on the left
34
conditions and has a density of 0.075 lb/ft³.
available for ductboard and flexible duct. TI
expressed in inches of water column per 10
the scale is shown along the top and bott
For example, using this chart, a run of pipe
from the bottom-left to
re-
he chart) can be plotted over
Transcribed Image Text:Ass00 5000 500 Fpm velocity 4000 3600 -3200 3000 E 2800 2600 2400 OL 2200 2000 A1B00 F1600 7- In. duct diom 1400 1200 1000-N 600 500 3004 30 CU. FT. OF AIR PER MINUTE Fpm velocity 200 ms, up to The lines on chart of Bound duct in inches, Unit 37 Air Distribution and Balance 0.02 0.03004 0.060080I 100 000 2 24 22 000 I 0.2 0.3 04 0,6 0.8 I 20 006 In. duct diam, 008 18 009 1. 000 12 01 06 09 40 2아 10'0 0.02 0.03004 0.06008Q1 Sento 100,000 cfm. The horizontal lines on the chart airflow in cfm, of the chart 818888 02 03 0.4 0.6 0.8 I FRICTION LOSS IN INCHES OF WATER PER 100 FT. as indicated by the scale on the left 34 conditions and has a density of 0.075 lb/ft³. available for ductboard and flexible duct. TI expressed in inches of water column per 10 the scale is shown along the top and bott For example, using this chart, a run of pipe from the bottom-left to re- he chart) can be plotted over
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