Application:
To verify the adaptability and stability of the test equipment under high vacuum and low temperature condition.
Technical specification for Vacuum Vessel
| 1. Structural form | horizontal type |
| 2. Material | S30408 for shell, heads, flanges and internal parts; Q345B for reinforcing rib and skirt material |
| 3. Size of vacuum vessel | 6000mm(inner diameter) x 11000mm(straight barrel height) |
| 4. Total leakage rate | ≤4*10-6Pa.m3/s |
5. Anti-static, anti-oil, no magnetic or weak magnetic, no pollutants
6. The Gate opening mechanism adopts the lateral and flat opening mode of gantry suspension crane
7. The Gate weight is 20 tons, the maximum outer diameter is φ6940mm, the lateral stroke is 7000mm, the axial stroke is less than 100mm
8. Gate side, axial drive are motor drive, axial movement with encoder
Thermal precipitator
| 1. Structure | Fin tube type |
| 2. Material | S30408+T2 |
| 3. Temperature Range | -196oC~+150oC |
| 4. Low operating temperature | 100k±5oC |
| 5. Temperature uniformity | ±5oC |
| 6. Size | 5600mm(inner diameter)×11000mm(straight barrel height) |
| 7. Total leakage rate | ≤5×10-6Pa.L/S |
| 8. Black paint half ring emissivity | ≥0.9 |
9. Heat accumulation working pressure is not less than 0.8MPa
Nitrogen system
1. Medium: liquid nitrogen
2. Operating temperature ≤100k
3. Heat accumulation heat load 100kw
4. Realize open flow, empty tank cycle, one-way closed cycle, and can be switched freely
5. The heat sink of the gas-nitrogen system increased from 100k to 300k in 10 hours
Vacuum system
Equipped with vacuum pump, valve, pipe, instrument, etc
Monitoring system
Meet KM6000 control requirements
A part that performs well in a standard lab may still fail after launch. Vacuum, sharp temperature changes, and long exposure to extreme conditions can affect electronics, coatings, structures, and materials in ways that ordinary testing cannot fully show.
A satellite can leave the assembly floor looking complete, clean, and fully integrated, yet that still does not tell engineers how it will behave once air is removed and real thermal stress begins.
The value of a test system is not defined by chamber size alone. It depends on how precisely it can reproduce the conditions that space hardware is expected to face and how steadily those conditions can be maintained during a test.
A test chamber that looks advanced on paper can still become a costly mismatch if it does not fit the real work of the lab.
Reliable testing begins before the next cycle starts. In many cases, inaccurate results come from poor chamber condition rather than poor engineering, which is why a Space Environment Simulator needs disciplined maintenance between runs as well as during long-term use.
Spiral fin tubes are a specialized type of heat exchanger tube designed to enhance heat transfer efficiency. Unlike traditional straight fin tubes, which have fins arranged parallel to the tube surface, spiral fin tubes feature helical or spiral-shaped fins wrapped around the tube.





