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Online since: June 2012
Authors: Hao Yang Sun, Tong Shu Hua, Yan Fei Wang
Table 1 Characteristic of polyisobutylene
Oil
Index
PB1300
PB2400
Density (20˚C )/(kg/m3)
896.0
905.0
Dynamic viscosity (20˚C )Pas
117.0
1050.0
Dynamic viscosity (100˚C )Pas
0.577
4.7
Refractive index
1.497
1.504
Testing rollers used are the same cylindrical rollers as Ref. [1], with a 10.0 mm diameter and 10.5 mm length, the surface roughness are about 1.32×10-2μm Ra.
Online since: May 2011
Authors: Ding Ye Fang, Wei Qun Lu, Zhi Yong Yang
SAFR
/Nm3/h
PAR
/%
EARC
OCFG
/%
CCFA
/%
CCBA
/%
CE
/%
1
1#
858
0
274.4
165.9
47.3
1.53
7.3
5.70
1.46
99.05
2
2#
860
0
269.6
147.0
51.7
1.55
7.4
4.60
2.42
98.69
3
3#
858
0
285.4
154.6
52.4
1.51
7.1
4.65
1.31
98.18
4
4#
845
0
264.8
141.1
51.8
1.57
7.6
3.30
1.32
98.15
5
5#
852
0
272.7
146.2
53.8
1.47
6.7
5.40
1.96
95.70
6
1#
877
2.4
272.8
151.4
52.0
1.56
7.5
2.67
1.55
98.58
7
2#
877
2.4
250.1
151.4
49.9
1.56
7.6
3.10
1.18
98.10
8
3#
879
2.4
273.4
138.0
53.5
1.40
6.0
3.50
1.66
97.34
9
4#
875
2.4
271.9
140.9
53.3
1.54
7.4
3.20
1.05
97.19
10
5#
877
2.4
280.6
146.6
53.6
1.47
6.7
3.40
1.67
96.13
11
2#
871
2.2
284.0
157.2
52.0
1.56
7.6
3.20
2.25
97.90
12
2#
876
2.6
237.0
147.6
49.1
1.40
6.0
3.40
2.12
97.68
13
2#
856
2.4
260.5
140.1
52.0
1.63
8.1
4.40
0.96
97.40
14
2#
894
2.4
263.4
150.7
51.2
1.52
7.2
1.91
1.34
98.73
15
4#
873
2.2
224.3
125.9
49.8
1.48
6.8
3.60
1.78
96.67
16
4#
874
2.6
270.6
146.5
52.3
1.51
7.1
3.10
1.21
97.15
17
4#
856
2.4
255.8
148.4
50.7
1.61
8.0
3.40
1.21
97.00
18
4#
896
Online since: November 2011
Authors: Feng Xiang You, Buo Lei Zuo, Fei Zhang
Node(i) time/s
dynamic response:move/m
dynamic response:speed/m·s-2
dynamic response acceleration
Spline collocation Newmark
Spline collocation Newmark
Spline collocation Newmark
0
0
0
0
0
0
0
0
8
0.04
0.002 506 5
0.002 474 5
0.073 368 4
0.078 709 6
-2.919 54
-1.027 87
16
0.08
0.005 047 7
0.005 054 7
0.064 520 4
0.061 363 3
0.627 814
0.435 012
24
0.12
0.007 631 1
0.007 631 1
0.064 023 7
0.0649 320
-0.039 524 4
-0.134 837
32
0.16
0.010 204 4
0.10 204 0
0.064 419 9
0.064 253 1
-0.012 032 6
0.036 215 1
40
0.20
0.002 831 1
0.001 550 6
0.454 487 0
0.740 340
-270.626
-203.016
48
0.24
-0.003 131 7
-0.002 972 5
-0.004 581 2
-0.202 119
3.826 25
3.485 7
56
0.28
-0.005 006
-0.004 918 2
-0.094 175 7
-0.044 461 89
-0.573 857
-12.905 4
64
0.32
-0.007 619 7
-0.007 665
-0.059 896 2
-0.066 103 4
-1.309 88
2.898 19
72
0.36
-0.008 128 1
-0.007 362
1.183 71
1.068 99
499.520
452.813
80
0.40
0.000 379 6
0.001 422 5
-0.410 275
-0.331 548
16.253 5
-73.555
88
0.44
0.000 184 2
-0.000 249 2
0.049 513 1
0.089
Online since: June 2021
Authors: Y. Venkata Mohana Reddy, B. Chandra Mohana Reddy, G. Srinivas Kumar
Properties of Al-6061
Physical
Density
Properties
2.700 gm/cm3
Mechanical
Modulus of
UTS
Elongation
Poisson’s ratio
Properties
Elasticity (E)
68.8 GPa
125 - 290 MPa
12 - 24 %
0.34
Thermal
Melting Temperature
Thermal conductivity
Thermal expansion
Specific heat capacity
584 0C
2.24*10-5 K-1
896 J/Kg K
32.5–38.2 ohm*m
Properties
The only chemical compound of silicon and carbon is SiC.
Online since: January 2016
Authors: Boris Vavrovič, Rastislav Menďan
15
140
14,06
0,830
14,57
0,845
14,96
0,856
15,24
0,864
15,44
0,870
15,59
0,874
16
150
14,19
0,834
14,64
0,847
15,01
0,857
15,27
0,865
15,46
0,870
15,60
0,874
17
160
14,33
0,838
14,73
0,849
15,08
0,859
15,32
0,866
15,50
0,871
15,62
0,875
18
170
14,48
0,842
14,84
0,853
15,13
0,861
15,38
0,868
15,54
0,873
15,66
0,876
19
180
14,66
0,847
14,94
0,855
15,21
0,863
15,43
0,869
15,58
0,874
15,69
0,877
20
190
14,85
0,853
15,08
0,859
15,31
0,866
15,51
0,872
15,64
0,875
15,74
0,878
21
200
15,06
0,859
15,23
0,864
15,43
0,869
15,60
0,874
15,72
0,878
15,81
0,880
22
210
15,25
0,864
15,41
0,869
15,55
0,873
15,68
0,877
15,78
0,879
15,86
0,882
23
220
15,44
0,870
15,57
0,873
15,70
0,877
15,79
0,880
15,88
0,882
15,95
0,884
24
230
15,63
0,875
15,74
0,878
15,85
0,881
15,96
0,885
16,03
0,887
16,09
0,888
25
240
15,82
0,881
15,91
0,883
16,00
0,886
16,07
0,888
16,14
0,890
16,19
0,891
26
250
16,01
0,886
16,09
0,888
16,15
0,890
16,21
0,892
16,27
0,893
16,31
0,895
27
260
16,16
0,890
16,24
0,893
16,27
0,893
16,36
0,896
Online since: May 2016
Authors: Abdultawab Qahtan, Nedhal Al-Tamimi
Annual effect of glazing types ranked from worst to better indoor thermal temperature in un-ventilated room
Code
Glazing Type
Number of Hours Tc < 28.6oC
% hours of Tc/year
Full Day
Day- Time
Night- Time
Full- Day
Day- Time
Night- Time
G 1
S_Clear
2048
755
1293
23.4%
17.2%
29.5%
G 3
D_Clear
2486
896
1590
28.4%
20.5%
36.3%
G 5
D_Low-e
2711
999
1712
30.9%
22.8%
39.1%
G 2
S_Reflective
3540
1231
2309
40.4%
28.1%
52.7%
G 4
D_Reflective
4174
1518
2656
47.6%
34.7%
60.6%
G 6
D_coated_
Reflective
4230
1560
2670
48.3%
35.6%
61.0%
To
5969
2366
3603
68.1%
54.0%
82.3%
Total Annual Hours
8760
4380
4380
Table 3.
Online since: March 2012
Authors: A.R. Azrin Hani, A. Roslan, J. Mariatti, M. Maziah
Material
Tensile Strength (MPa)
Density (g/cm3)
Tensile Modulus (GPa)
Elongation %
Polypropylene
E-glass
S-glass
Carbon fiber
Spider silk
Aramid (Kevlar or Twaron)
UHMWPE (Dyneema or Spectra)
Vectran
Zylon (PBO)
Nylon
500
2750
4710
4000
2000
3200
3400
3200
5800
896
0.829
2.57
2.48
1.75
1.3
1.44
0.97
1.4
1.54
-
2
73
-
131
30
131
111
75
180
5.17
6
2.5
2.8
2.8
30
4
4-5
-
-
-
Today’s version of materials for hard armor panels includes ceramic tiles, metal plates, and silicone carbide or boron carbide plates [1].