ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 7 docx
ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 7 docx
... 162 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK
(7. 12)
Equation 7. 12 assumes that ambient air is used as the source of O
2
and that ... Table 7. 2).
Table 7. 2
Approximate Composition of Dry Air (by Volume)
Component Symbol
Concentration
(%)
Concentration
(ppm)
Nitrogen N
2
78 .084 78 0,840
Oxygen O
2
20.9 476 209, 476
Argon ... converting milligrams per cubi...
ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 1 docx
... Direct Solution 5 87
17. 7 .7. 1 Storage Volume 588
17. 7 .7. 2 Rainfall Intensity 589
17. 7 .7. 3 Maximum Storage Volume 591
17. 7 .7. 4 Information Needed 591
17. 7.8 Stage–Storage Curve 595
17. 7.8.1 Storage ... Calculations 578
17. 7.2 Allowable Release Rates 578
17. 7.3 Storage Volume Requirements Estimates 579
17. 7.4 Graphical Hydrograph Analysis — SCS Methods 579
17. 7.4...
ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 2 docx
...
Problem
:
Round off the following to one decimal: 34 .73 ; 34 .77 ; 34 .75 ; 34.45; 34.35.
Solution
:
34 .73 = 34 .7
34 .77 = 34.8
34 .75 = 34.8
34.45 = 34.4
34.35 = 34.4
Grade
140 mm
22 m
100(%)=×
=
×
×=
140 ... foot:
Example 2. 67
Problem:
The pressure in a pipeline is 6 476 psf. What is the head on the pipe?
Solution:
2,000,000 gal
7. 48
2 67, 380 cu ft=
Volume .78 5 D depth
2...
ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 9 docx
... lb/ft-sec (USEPA-84/09, p. 1 67)
µm (1 µm = 10
–6
) = 3.048 × 10
5
ft (USEPA-84/09, p. 183)
v = 0.153g (d ) (p ) /(µ p
0 .71
p
1.14
p
0 .71 0.43 0.29
))
0.153(32.2) [(400)/(25,400)(12)] (
0 .71 1.14
= ... 2.0/4 0.5 ft
ppp
pp
− == =2 .75 (62.4) 171 .6 lb/ft
3
L1681_book.fm Page 2 27 Tuesday, October 5, 2004 10:51 AM
© 2005 by CRC Press LLC
232 ENVIRONMENTAL ENGINEER’S MATHEMATICS HA...
ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 12 docx
... 201 274
++ ×
+++
××+++ ×
++
201) (201 140 201 140)
(140
1110 140 110) (110 75 110 75 )+ ×+++ ×
+
(75 30 75 30) (30 1 30 0)]++ ×+++ ×
=
=
1/3[6823]
2 274 acre-ft
D
L
A)
L
=
2 π
D
8.60 miles
0 .79 69 ... mi
3.16
= 2 .72
D
V
A
=
2 274 acre-ft
510 acres
= 4.46 ft
L1681_book.fm Page 309 Tuesday, October 5, 2004 10:51 AM
© 2005 by CRC Press LLC
306 ENVIRONMENTAL ENGINEER’S MATHEMATIC...
ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 17 (end) docx
...
2.6
2.3
Q peak
(cfs)
65
52
47
44
38
34
Area
(in.
2
)
7. 07
7.33
7. 31
7. 53
7. 45
7. 48
Storage
volume (ft
3
)
63,630
65, 970
65 ,79 0
67, 770 *
67, 050
67, 320
t
c
60
50
40
30
10
20
0
Discharge ... (including right-of-way) 83 89 92 93
Gravel (including right-of-way) 76 85 89 91
Dirt (including right-of-way) 72 82 87 89
Urban districts:
Commercial and business 85% 89...
ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 3 ppt
... 10
–2
9 .7 × 10
–1
Chlorobenzene 3 .7 × 10
–3
1.65 × 10
–1
Chloroform 4.8 × 10
–3
2.0 × 10
–1
Cyclohexane 0.18 7. 3
1,1-Dichloroethane 6 × 10
–3
2.4 × 10
–1
1,2-Dichloroethane 10
–3
4.1 × 10
–2
cis-1,2-Dichloroethene ... 10
–3
0.25
trans-1,2-Dichlorethene 6 .7 × 10
–3
0.23
Ethane 4.9 × 10
–1
20
Ethanol 6.3 × 10
–6
Ethylbenzene 8 .7 × 10
–3
3 .7 × 10
–1
Lindane 4.8 × 10
7
2.2 × 10
–5
M...
ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 4 pptx
... LLC
87
C
HAPTER
4
Algorithms and Environmental Engineering
4.1 INTRODUCTION
In Chapter 3, we pointed out that environmental modeling has become an important tool within
the well-equipped ... uncomplicated terrain.
• CALPUFF — a multilayer, multispecies non-steady-state puff dispersion model that simulates the
effects of time- and space-varying meteorological conditions on...
ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 5 doc
... Water
Specific Gravity
150
65
==23.
L1681_book.fm Page 97 Tuesday, October 5, 2004 10:51 AM
© 2005 by CRC Press LLC
124 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK
Solution:
Step 1. Calculate the pounds ... (gpm)
21,000 gal
30 min
=
= 70 0 gpm pumping rate
L1681_book.fm Page 132 Tuesday, October 5, 2004 10:51 AM
© 2005 by CRC Press LLC
120 ENVIRONMENTAL ENGINEER’S MATHEMATI...
ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 6 potx
... 2640
4 275 5
5 2860
6 2650
7 2340
8 2350
9 2888
10 2330
7- Day Moving Ave. for Day 7
2330 3360
=
++22640 275 5 2860 2650 2340
7
++++
= 270 5 mg/L
7- Day Moving Ave. for Day 8
3360 2640
=
++
2 275 5 2860 ... 2340 2350
7
++++
= 270 8 mg/L
7- Day Moving Ave. for Day 9
2640 275 5
=
++
22860 2650 2340 2350 2888
7
++++
= 2640 mg/L
7- Day Moving Ave. for Day 10
275 5 2860
=
++2650...
Từ khóa:
- manager¡¯s checklist for chapter 7
- bài giảng thực hành xử lý nước thải th s lâm vĩnh sơn bài 7 docx
- chapter 7 7 3 awk apos s programming model
- chapter 7 the evolution of pgp s web of trust
- kenya s progress towards mdg 7 ensure environmental sustainability
- chapter 7 7 2 48 overload€ overload perl apos s mathematical operations
- lord of the flies chapter 7 summary
- chapter 7 mos fieldeffecttransistors
- succeeding in the world of work chapter 7