Space Chamber

2m-diameter, 4m-length

Space_Propulsion_chamber(MPD)_001 Space_Propulsion_chamber(MPD)_002

Appearance of Vacuum tank

About 10-3Pa vacuum pressure can be generated . It is used for the experiment for MPD thruster, and for damp tank for super sonic wind tunnel.

Spec

2.0m inner diameter and 4.0m long, Turbo molecular pump (SHIMADZU, TMP-3203LMC, exhaust velocity 3200 L/s (Nitrogen) )

Experiment at Vacuum tank

We can measure the mN level thrust using pendulum type thrust stand under the operation in the pressure about 10-3Pa.

矩形スラスタ_Rectangular type Applied field MPD thruster 同軸スラスタ_Cylindrical type Applied field MPD thruster

Rectangular and Cylindrical type Applied field MPD thruster

1.2m-diameter, 3.3m-length

3F HEST Chamber-1 3F HEST Chamber-2

Appearance of Vacuum tank

About 10-3 to 10-2Pa vacuum pressure can be generated and keeped by dry pomp and cryo pomp. It is used for the experiment of Helicon Electrostatic thruster(HEST).

Spec

1.2m inner diameter and 3.2m long, dry pump (EBARA, AA70WN-H, exhaust velocity 140 L/s (Nitrogen)), cryo pomp (ULVAC CRYOGENICS, CRYO-U20, exhaust velocity 8400 L/s (Argon)

Experiment at Vacuum tank

We can measure the ion energy, ion beam current, and so on. We are going to measure the thrust in future.

Space_Propulsion_chamber(HEST)_003

The state of ion energy measurement

0.7m-diameter, 2.2m-length

3F LaserProp Chamber

Appearance of Vacuum tank

About 10-2Pa vacuum pressure can be generated.It is used for the experiment for laser propulsion.

Spec

0.7m inner diameter and 2.2m long, Turbo molecular pump (SHIMADZU, TMP-2003LMC, exhaust velocity 2000 L/s (Nitrogen) )

Impulse measurement generated by laser ablation

Impulse of laser ablation can be measured with a torsion type pendulum installed in the vacuum chamber. The precision of the measurement is μNs level.

Space_Propulsion_chamber(Laser_propulsion)_002

The state of impulse measurement generated by laser ablation