39
Repeatabi lity – 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 Then the same at 0.485 T

Repeatability – Or is it bearing heating?

Embed Size (px)

DESCRIPTION

0. 37000. 15000. 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. Repeatability – Or is it bearing heating?. Then the same at 0.485 T. - PowerPoint PPT Presentation

Citation preview

Page 1: Repeatability – Or is it bearing heating?

Repeatability – Or is it bearing heating?

0

15000

37000

288000

10 files run consecutively at 250 rpm, no field

1st file includes ramp up to speed(see right)

The other files’ torque plots just look like >37000

Then the same at 0.485 T

Page 2: Repeatability – Or is it bearing heating?

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

Page 3: Repeatability – Or is it bearing heating?

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

Page 4: Repeatability – Or is it bearing heating?

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

Page 5: Repeatability – Or is it bearing heating?

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

Page 6: Repeatability – Or is it bearing heating?

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

Page 7: Repeatability – Or is it bearing heating?

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

Page 8: Repeatability – Or is it bearing heating?

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

Page 9: Repeatability – Or is it bearing heating?

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

Page 10: Repeatability – Or is it bearing heating?

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

Page 11: Repeatability – Or is it bearing heating?

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

Page 12: Repeatability – Or is it bearing heating?

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

Page 13: Repeatability – Or is it bearing heating?

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

Page 14: Repeatability – Or is it bearing heating?

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

Page 15: Repeatability – Or is it bearing heating?

1: 15000 – 37000, 5000 - 27000Av torque is: 8013.857597 Av torque stdeev is: 4753.421421

No B-fieldWith B-field

Page 16: Repeatability – Or is it bearing heating?

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

Page 17: Repeatability – Or is it bearing heating?

15000 - 37000

Page 18: Repeatability – Or is it bearing heating?

37000-120000

Page 19: Repeatability – Or is it bearing heating?

2

Page 20: Repeatability – Or is it bearing heating?

3

Page 21: Repeatability – Or is it bearing heating?

4

Page 22: Repeatability – Or is it bearing heating?

5

Page 23: Repeatability – Or is it bearing heating?

6

Page 24: Repeatability – Or is it bearing heating?

7

Page 25: Repeatability – Or is it bearing heating?

8

Page 26: Repeatability – Or is it bearing heating?

9

Page 27: Repeatability – Or is it bearing heating?

10

Page 28: Repeatability – Or is it bearing heating?

Resonances: 174, 225, 345, 700

Page 29: Repeatability – Or is it bearing heating?

Field on vs Field off

Page 30: Repeatability – Or is it bearing heating?

speed sweep av tor tor stdev300 1 2344 1160402 1 3128 846501 1 3935 1103

99 1 965 2838102 1 984 5681201 1 1637 2534300 2 2304 1174402 2 3061 862501 2 3858 1094

99 2 938 3102201 2 1605 2343300 3 2274 1199300 4 2267 1203300 5 2265 1206

Ω vs Torque at 0.485 T

Page 31: Repeatability – Or is it bearing heating?

2

Page 32: Repeatability – Or is it bearing heating?

3

Page 33: Repeatability – Or is it bearing heating?

4

Page 34: Repeatability – Or is it bearing heating?

5

Page 35: Repeatability – Or is it bearing heating?

6

Page 36: Repeatability – Or is it bearing heating?

7

Page 37: Repeatability – Or is it bearing heating?

8

Page 38: Repeatability – Or is it bearing heating?

9

Page 39: Repeatability – Or is it bearing heating?

10