Refinement of cavitation and discharge characteristics of oxidizer and fuel passages in vacuum

Schematic diagram of oxidizer draining in vacuum of the third stage of the Cyclon

launch vehicle 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 Х, mm

0,0

1,0

2,0

0,0

3,0

4,0

5,0

6,0P, kgf/sm2

2,0

4,0

6,0

8,0

10,0

12,0

V, m/sec

P

V

Ps

Oxidizer

500 1000 1500 2000 2500 3000 35000,0

6,0

Х, mm0,0

0,5

1,0

1,5

2,0

2,5

3,0P, kgf/sm2

2,0

4,0

8,0

10,0

12,0V, m/sec

P V

Ps

0,0

Fuel

Schematic diagram of fuel draining in vacuum of the third stage of the

cyclone launch vehicle

Variations in the fuel pressure and the flow along the duct in vacuum