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Repeatability – Or is it bearing heating? 0 15000 37000 288000 10 files run consecutively at 250 rpm, no field 1 st file includes ramp up to speed (see.

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Presentation on theme: "Repeatability – Or is it bearing heating? 0 15000 37000 288000 10 files run consecutively at 250 rpm, no field 1 st file includes ramp up to speed (see."— Presentation transcript:

1 Repeatability – Or is it bearing heating? 0 15000 37000 288000 10 files run consecutively at 250 rpm, no field 1 st file includes ramp up to speed (see right) The other files torque plots just look like >37000 Then the same at 0.485 T

2 1 – 50000: Av torque is: 3884.372500 Av torque stdeev is: 4889.726530

3 1 – 100000: Av torque is: 2493.802760 Av torque stdeev is: 3833.299626

4 15000 – 37000: Av torque is: 8013.857597 Av torque stdeev is: 4753.421421

5 1: 37000-120000 Av torque is: 1104.051638 Av torque stdeev is: 1289.972823

6 2: Av torque is: 1096.675658 Av torque stdeev is: 1248.396161

7 3: Av torque is: 1089.299825 Av torque stdeev is: 1251.463644

8 4:Av torque is: 1083.857850 Av torque stdeev is: 1260.485538

9 5:Av torque is: 1076.524780 Av torque stdeev is: 1276.351460

10 6:Av torque is: 1065.174390 Av torque stdeev is: 1318.339202

11 7:Av torque is: 1050.502740 Av torque stdeev is: 1275.199626

12 8:Av torque is: 1043.215190 Av torque stdeev is: 1279.652857

13 9:Av torque is: 1033.051180 Av torque stdeev is: 1282.742801

14 10: Av torque is: 1025.978150 Av torque stdeev is: 1267.833419

15 1: 15000 – 37000, 5000 - 27000 Av torque is: 8013.857597 Av torque stdeev is: 4753.421421 No B-field With B-field

16 9:Av torque is: 1033.051180 Av torque stdeev is: 1282.742801 9B:Av torque is: 1830.0000 Av torque stdev is: 1257.00000000

17 15000 - 37000

18 37000-120000

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28 Resonances: 174, 225, 345, 700

29 Field on vs Field off

30 speedsweepav tortor stdev 300123441160 40213128846 501139351103 9919652838 10219845681 201116372534 300223041174 40223061862 501238581094 9929383102 201216052343 300322741199 300422671203 300522651206 Ω vs Torque at 0.485 T

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