This article is from the 2024 Technical Update. The NASA Engineering and Safety Center (NESC) has developed an analytical model that predicts diffusion between two gases during piston purging of liquid hydrogen (LH2) tanks. This model helps explain dramatic helium savings seen in a recent Kennedy Space Center (KSC) purge, shows that undesired turbulent mixing […]
Posted on
December 12, 2024
Sign up for our newsletter:
Categories
3
1
360
1
1
128
51
18
1
50
2
4
1
1
13
12
19
1
2
1
10
23
25
13
135
198
209
37
16
1
333
2
1
1
1
24
1
4
2
6
15
10
9
18
1
18
79
13
1
40
3
2
2
1
2
3
15
1
1
4
9
1
6
1
158
8
1
13
323
12
1
2
3
29
12
10
13
14
3
1
11
1
18
1
41
1
4
6
6
6
1
3
48
100
2
1
23
30
1
1
1
10
5
9
62
1
5
298
42
7
16
3
2
2
148
1
15
2
97
4
1
35
29
281
3
2
6
1
55
4
10
141
1
1
1
7
8
595
10
6
5
2
3
1
3
37
1
9
233
10
1
90
31
1
2
2
105
146
1
42
14
1
323
2
132
24
1
28
2
29
3
102
10
184
1
4
Blog Posts
Kona Storms Flood Oʻahu
March 25, 2026
Reminders of Where We’ve Been, Where We’re Going
March 24, 2026