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 | vertical type |
| 2. Material | S30408 for shell, heads, flanges and internal parts; Q345 for reinforcing rib and skirt material |
| 3. Size of vacuum vessel | 13000mm(inner diameter) x 20000mm(straight barrel height), total height 30000mm |
| 4. Size of side container | 7000mm(inner diameter), distance of side container gate flange from container center is 15500mm |
| 5. Total leakage rate | ≤1*10-6Pa.m3/s |
Vacuum container is the carrier of heat accumulation, vacuum system, tank platform and other equipment, and is the heart integration of the whole system.
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.





