Table 2 Summary of bubble departure diameters (orifice diameter:1 mm)

From: Cryogenic helium subsurface pressurization in terrestrial and low-gravity: experiments and flow visualization

Case

Gravity level (g/ge)

Inlet Mass Flow Rate (kg/s)

Inlet Temp. (K)

Helium density (kg/m³)

Bubble Detachment Diameter (mm)

3-1

0.027

2.73 × 10−9

208

0.2317

7.14 ± 1.71

3-2

0.047

2.73 × 10−9

218

0.2207 (5%)

7.98 ± 1.95 (12%)

3-3

0.041

2.73 × 10−9

230

0.2088 (10%)

9.43 ± 0.19 (32%)

3-4

0.064

2.73 × 10−9

230

0.2088 (10%)

8.37 ± 0.27 (17%)

3-5

0.044

2.73 × 10−8

198

0.2438

6.12 ± 0.13

3-6

0.043

2.73 × 10−8

200

0.2413 (1%)

6.30 ± 0.20 (3%)

3-7

1

2.73 × 10−9

260

0.1841

3.80 ± 0.24

3-8

1

2.73 × 10−8

214

0.2250

4.02 ± 0.09

3-9

1

2.73 × 10−7

240

0.1998

4.74 ± 0.38