期刊
JOURNAL OF PLANT INTERACTIONS
卷 18, 期 1, 页码 -出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17429145.2023.2271492
关键词
Nanobubbles; Hydroponics; Long-duration spaceflight; Gas-liquid contacting; Bubble stability
This paper evaluates the nutritional requirements for exploration astronauts and assesses the limitations of current spaceflight produce provision methods. Introducing nanobubble technology to increase the harvest index is a promising approach.
Fresh produce is an essential part of long-term, interspatial nutrition. However, resource constraints including launch mass, system power, and spacecraft cabin volume limit the amount of produce available for crew. Increasing the available oxygen to a plant's root system stimulates overall growth but typical terrestrial approaches (i.e. sparging) are inappropriate for gas-liquid contacting in a microgravity environment. Terrestrial studies show the use of neutrally buoyant oxygen nanobubbles increases the plant nutritional and edible mass density for a given footprint. Thereby, addressing nutritional gaps in the current food system. This paper briefly evaluates the nutritional requirements for exploration astronauts and assesses the current approach for spaceflight produce provision. Then, presents the perspective opportunity to increase harvest index by implementing nanobubble technologies. Finally, a high-level review of nanobubble integration to enhance spaceflight food production systems and testing necessary to use nanobubbles in spaceflight systems is outlined. Neutrally buoyant nanobubbles supply long duration gas saturation in liquids Terrestrial hydroponic systems increase harvest density with nanobubbles Nanobubble stability in microgravity is currently unknown
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