Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : March 10, 2021 - March 11, 2021
The International Space Station (ISS) procures water through the resupply and water recovery systems. For future human space exploration, it is required to increase the regeneration rate of water once brought and reduce the amount of resupply from the ground. Iodine or silver are used to disinfect the water on the ISS. In this situation, the biocide adding the recycled water is also consumable which need to supply from the ground. In recent years, the bactericidal action of ultrafine bubble water has attracted attention, and its application to various fields is progressing. It is expected that this can be utilized as a technology for water regeneration in space. For space application, simple and effective one is desirable. However, the properties of the ultrafine bubbles are still veiled. As a first step to understand and apply the ultrafine bubbles to space applications, we elucidated the relationship between the flow rate and the number density of ultrafine bubbles generated by the simple ultrafine bubble generator.
