Engineering materials for electrical engineers 2
handbook for electrical engineers hu (2)
... 10
Ϫ6
(t Ϫ 28 )
3
Ϫ 0.0001497 ϫ 10
Ϫ6
(t Ϫ 28 )
4
E
t
ϭ E
28
Ϫ 52. 899 ϫ 10
Ϫ6
(t Ϫ 28 ) Ϫ 0.8 026 5 ϫ 10
Ϫ6
(t Ϫ 28 )
2
ϩ 0.001813
Beaty_Sec03.qxd 17/7/06 8 :26 PM Page 3-10
Downloaded from Digital Engineering ... always too small.
2P
2
ϩ Q
2
Beaty_Sec03.qxd 17/7/06 8 :26 PM Page 3 -23
Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary....
handbook for electrical engineers hu (3)
... 1.439 2. 02 1.39 2. 08 1.36 2. 15 1 .29 2. 27 1 .23 2. 39 1.19 2. 54 1.15 2. 87 1.08
25 00 1. 825 1.336 1.87 1 .28 1.91 1 .24 2. 00 1 .20 2. 12 1.16 2. 25 1. 12 2.40 1.09 2. 75 1.05
20 00 1.631 1 .23 9 1.67 1 .20 1. 72 ... 0 .20 160 90.0 32. 07 127 0.031 42
2.6 1 .20 056 0.90 126 6.0 2. 39359 0.46 521 14.5 5.38560 0.19468 100.0 35.60666 0. 028 28
2. 7 1 .22 753 0.88 825 6...
handbook for electrical engineers hu (4)
... def. 2, 170 1,990 2, 200 2, 075 2, 120 2, 027
Softening 2, 250 2, 120 2, 250 2, 200 2, 380 2, 089
Fluid 2, 440 2, 290 2, 290 2, 310 2, 700 2, 203
Ash analysis, %
SiO
2
40.0 46.4 29 .5 46.1 62. 9 23 .1
Al
2
O
3
24 .0 ... 10.4 28 .4 6.3
VM, % 31.6 33.1 32. 6 31.7 23 .2 27.5
FC, % 53.1 36.5 36.6 26 .9 18.4 26 .6
Btu/lb, as fired 13 ,24 0 10,500 8, 125 7,590 5,000 6...
handbook for electrical engineers hu (5)
... 24 00 1000 1000 2 1 32 Motor 7 473 7750 7950
6.49 4.45
350 24 00 1000 1000 2 1 32 Turbine 7 473 7890 6. 62 4 .27
500 24 00 1000 1000 4 22 2 Turbine 7 473 7830 6.57 4 .26
700 24 00 1000 1000 4 26 4 Turbine ... Btu/lb 24 .2 96.6 6.045 6.045 12. 09
Required P
2
lb/in
2
(abs) 327 168 380.6 361.9 361.9
from Mollier chart
Stage P
1
/P
2
1 .22 4 2. 38 1.0 52 1.105 1.105
Note...
handbook for electrical engineers hu (6)
... 0.9577 0. 925 0
5 0 .25 88 0 .20 53 0.0531
7 0 .25 88 −0.1576 −0.0408
11 0.9659 −0. 126 1 −0. 121 8
13 −0.9659 0. 126 1 −0. 121 8
17 −0 .25 88 0.1576 −0.0408
19 −0 .25 88 −0 .20 53 0.0531
23 −0.9659 −0.9577 0. 925 0
25 0.9659 ... 0.9659 −0.9577 −0. 925 0
29 0 .25 88 −0 .20 53 −0.0531
31 0 .25 88 0.1576 0.0408
35 0.9659 0. 126 1 0. 121 8
37 −0.9659 −0. 126 1 0. 121 8
k
bn
ϭ
sin
nu
s
2
nu...
handbook for electrical engineers hu (7)
... 98,300
130 21 0 320 3.7 11 9 .2 6 .2
4 ,28 0 100 160 24 0 25 150 95 15 5,065
121 ,20 0 128 ,100 134,000
721 1 12. 5 ϫ 10
6
58 ,20 0 120 ,500 126 ,500 1 32, 300 71,000 61,800 90,000 1 12, 500
440 660 1,000 5.7 14 26 22 5
4,900 ...
W/in
2
0.3 62 W/in
2
W/in
2
allowed 0:388 W/in
2
Res. 75ЊC 2. 21⍀
Coils in series 10
Copper 0.1 62 ϫ 0 .25 8 ϭ 0.04 in
2
Coil 24 T high ϫ 8la...
handbook for electrical engineers hu (8)
... sized to a Q
20
and projects with storage are sized for a Q
30
. The term Q
20
means a flow value that exceeds 20 % of
the time. In other words, the project could utilize all of the flow for generation ... . . . . . .9 -22
9.7 .2 Ancillary Services . . . . . . . . . . . . . . . . . . . . . . . . . . .9 -23
9.7.3 Pumped Storage . . . . . . . . . . . . . . . . . . . . . . . . . . ....
handbook for electrical engineers hu (9)
...
I
2
ϭ 15s1.87d
0.5
ϭ 20 .5ЊC
T
2
ϭ 3 ϫ 2. 30 ϭ 6.9ЊC
N
2
ϭ 15s2.30d
0.8
ϭ 29 .2 C
B
2
ϭ 45s1.87d
0.8
ϭ 74 .2 C
2. 30 ϫ 2 ϩ 1
3
ϭ 1.87
s1.4d
2
23 4.5 ϩ 140
23 4.5 ϩ 85
ϭ 2. 30
H
2
ϭ 35.9 ... excessive for continuous loading and should not be
continued for any extended time period.
H
2
ϭ 74 .2 ϩ 20 .5 ϭ 94.7ЊC
S
2
ϭ 74 .2 ϩ 29 .2 ϩ 6.9 ϩ 20 .5...
handbook for electrical engineers hu (10)
... 5. 62
CA San 38′ 31″ N 121 ′ 30″ W 2. 35 3.33 4. 42 5.95 6.84 7.39 7.55 6.51 5.75 3. 92 2.65 2. 06 4.89
Francisco
CO Denver 39′ 45″ N 104′ 52 W 2. 25 3 .2 4. 32 5.61 6.11 6.71 6.5 5.86 5.47 4.01 2. 59 ... 36′ 50″ N 3′ E 2. 22 2.94 3.87 5 5.88 6.69 7 .23 6.48 5.15 3.53 2. 43 2. 02 4.45
EG Cairo 29 ′ 35″ N31′ 09″ E 3.39 4.17 5 .24 6.49 7.11 8 7.88 7.4 6. 42 5.07 3.86 3.19 5.68...
handbook for electrical engineers hu (11)
... 20 10 20 15 20 20 20 25
0
50
100
150
78
95
103
111
119
Million barrels per day
Sources: History: Energy information administration (EIA),
International Energy Annual 20 02, DOE/EIA- 021 9 (20 02)
(Washington, ... . . . . . . 12- 5
12. 2 .2 Fossil Fuel Resources . . . . . . . . . . . . . . . . . . . . . . . 12- 5
12. 2.3 Nuclear Fuel . . . . . . . . . . . . . . . . . . . . . . . . ....
Từ khóa:
- best resume format for electrical engineers free download
- cv format for electrical engineers free download
- best cv format for electrical engineers freshers
- electronics and electrical engineering interview question and answers for fresh engineers part 1
- resume format for electrical engineering students free download
- english for electrical and electronic engineering pdf
- english for electrical and electronic engineering
- resume samples for freshers electrical engineers free download
- tiếng anh chuyên ngành điện english for electrical engineering