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Online since: November 2012
Authors: Shu Min Wan, Jing Huai Li, Xi Zhi Wu, Bin Lin
Table 1 The load of rolling element 1~5 when the axial force varies
Rolling element number
Axial force(N)
0
268
282
326
397
447
1
875
891
892
896
912
926
2
97
118
124
144
169
186
3
0
0
0
0
15
28
4
0
0
2
18
41
56
5
0
21
26
35
55
70
Assume that Fr changes from 0N to 1000N.
Online since: December 2010
Authors: Feng Xiang You
node(i) time/s
Dynamic response:displacement /m
Dynamic response:
velocity /m·s-2
Dynamic response:
Acceleration /m·s-2
Spline collocation method
Newmark method
Spline collocation method
Newmark method
Spline collocation method
Newmark method
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
Online since: June 2014
Authors: Frédéric Topin, Prashant Kumar
1
Moreover, at the node, using geometrical approximations and as shown in fig. 1-right
1.6Req+Ls=L ⇒ 1.6αeq+β=1 where, αeq=ReqL and β=LsL (2)
Table 1 - Representation of various strut shapes, porosities and their characteristic dimensions
Geometrical Characterstics
Flow Characterstics
ETC at LTE
Shape
ε (%)
ds or A (mm)
αeq=ReqL
β=LsL
ac (m-1)
KDarcy
(x10-8, m-2)
βForchemmier
(m-1)
λs/λf
ETC* (W/mk)
Circular
60
1.212
0.429
0.341
982
6.01
1157
1000
2526
70
1.006
0.356
0.447
960
9.03
748
1000
1703
80
0.789
0.279
0.563
873
13.5
408
1000
1011
Rotated Square
80
0.694
0.491
0.563
996
12.40
730
1000
1016
85
0.589
0.416
0.628
906
15.60
557
1000
716
90
0.470
0.332
0.702
779
20.00
347
1000
446
Diamond
80
0.752
0.532
0.563
1070
13.80
740
1000
1024
85
0.637
0.450
0.628
974
16.60
611
1000
724
95
0.349
0.247
0.794
627
27.70
221
1000
211
Star
75
0.347
0.246
0.504
1399
8.05
1502
1000
1360
80
0.305
0.215
0.563
1314
10.90
896
Online since: January 2022
Authors: Mickael Saillio, Elhem Ghorbel, Mohammed Nouali
The endothermic peaks observed at (755, 750 and 764 °C), (882, 890 and 896 °C) and at (1031, 1030 and 1029 °C) correspond to the decomposition of dolomite and calcite structure (Bensalem et al., 2014; Fang et al., 2010; Gunasekaran and Anbalagan, 2007).