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 |
 |
Commonly Used Data in B902
Data Conversions
- 28.8 Liter/hour of liquid helium =
1 g/s
- One 50,000 SCF tube trailer equals
~1840 L
(486 gallon) of liquid helium
- 1 g/s helium
~370 SLPM (St. Liter Per
Min.) ~780 SCFH (St. Cubic Foot per Hour)
Cryogenic Equipment
- For the 10,000 L liquid helium storage dewar, liquid volume is
~22 gallon / inch
|
Vertical Test Dewers |
| |
|
|
|
|
|
|
|
| Vertical |
Diameter |
Depth |
Volume |
Design |
| Test |
|
|
|
|
|
|
Pressure* |
| Dewer |
cm |
inch |
m |
ft |
L |
gallon |
psi |
| |
|
|
|
|
|
|
|
| 2 |
61 |
24 |
6.1 |
20 |
1779 |
470 |
118 |
| 3 |
71 |
28 |
6.1 |
20 |
2422 |
640 |
50 |
| 4 |
60 |
24 |
2.7 |
8.8 |
753 |
199 |
65 |
| 5 |
61 |
24 |
2.7 |
9.0 |
801 |
212 |
11 |
| 6 |
61 |
24 |
2.7 |
8.8 |
786 |
208 |
11 |
| |
|
|
|
|
|
|
|
| *Calculation for design pressure
does not include top plate |
| In general, top plate is much
thicker than bottom plate. |
| Design pressure does not take
insulating vacuum into account. |
|
Design Conditions for
Compressors in B902 |
| |
|
|
|
|
|
| |
MYCOM |
|
Dunham-Bush |
|
Sullair 350 |
| |
(2
Stages) |
|
(2
Stages) |
|
(Single Stage) |
| |
|
|
|
|
|
|
Flow rate -
g/s |
160 |
|
128 |
|
51 |
|
Suction |
|
|
|
|
|
|
pressure - atm |
1.07 |
|
1 |
|
1.05 |
|
temperature - K |
294 |
|
303 |
|
300 |
|
Discharge |
|
|
|
|
|
|
pressure - atm |
18 |
|
14.5 |
|
18 |
|
temperature - K |
|
|
|
|
305 |
|
Interstage |
|
|
|
|
|
|
pressure - atm |
5.1 |
|
3.8 |
|
N.A. |
|
Motor |
|
|
|
|
|
|
Total - HP |
750 |
|
700 |
|
350 |
|
1st Stage - HP |
400 |
|
2 x 200 |
|
|
|
2nd Stage - HP |
350 |
|
300 |
|
|
| |
|
|
|
|
|
|
Model - 1st
Stage |
320S |
|
2510 DHHOLOC |
|
|
| |
|
|
2512 DHHOLOC |
|
|
|
Model - 2nd
Stage |
200S |
|
2015 DHLOLOC |
|
|
|
Model - |
|
|
|
|
C20LA704-48-350HP |
| |
|
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Last update on:
February 22, 2008 by
D. McChesney. |
