GrabCAD 模型信息
BN-2 · 模型 57454
A bioreactor design featuring a bellow wall structure and an ultra-thin gas-permeable membrane with a thickness of 0.0002 mm combines flexibility with precise environmental control, making it ideal for space applications. The bellow wall design, characterized by its corrugated structure, provides elasticity that enables controlled expansion and compression. This adaptability is crucial for managing volume changes during microbial culture growth, particularly in microgravity environments. The bellows also enhance the durability of the reactor by absorbing shocks and mitigating the stress from pressure variations. Made from food-grade, chemically resistant materials like silicone or fluoroelastomers, the bellow wall ensures compatibility with the required pH range (4–8) and temperatures (4°C to 82°C). The **gas-permeable membrane**, with its ultra-thin profile, plays a critical role in gas exchange, allowing oxygen to diffuse into the culture while venting metabolic by-products like carbon dioxide. This feature prevents pressure build-up, maintaining an optimal environment for microbial growth. Despite its thinness, the membrane ensures no liquid leakage, thereby upholding the sterility and integrity of the bioreactor. Materials such as PTFE (polytetrafluoroethylene) or other food-grade, non-clogging polymers are commonly used for such membranes, ensuring long-term functionality and safety. Together, these features provide a robust and efficient solution for bioreactor operations in challenging conditions like those encountered during deep-space missions. **By the way, i need to submit my animation video in youtube since i can't upload WMV file**
- 格式
- STEP / IGES、Other、Rendering
- 分类
- 3D printing、Aerospace
- 标签
- bioreactor for deep space food production
- 数据更新
- 2026-09-28T09:44:27Z
