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GROWTH-SUPPORT SYSTEM FOR SEEDLING DEVELOPMENT ONBOARD, OF UNMANNED SPACECRAFTS

机译：太空船育苗船上生长支持系统

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摘要

The design and assemblage of an automatic growth support system for sprouts production in Space are presented. This work was part of the project named SAYSOY — Space Apparatus to Yield SOYsprouts — that was funded within the Education program of ESA and was selected for the flight onboard of a Foton-M2 Russian Capsule. The SAYSOY hardware is fully automatic and does not require any external control signals. It can be programmed to prime seed germination through water injection and stop seedling growth by means of a chemical fixative. Biological and engineering tests have been successfully conducted during all the phases of the experiment. Simulations of fluid dynamics have been performed to study the flows of air, water and fixative required by the experiment. Methods for the biological sterilization of all the hardware components and of seeds have been developed. Extensive tests, including 2 mission sequences, were carried out. After recovering of the capsule, the upper layer of the hardware can be removed and transferred to the laboratories for subsequent biometry and microscopy analyses. The electronic card can be connected to a computer to download data about temperature and humidity acquired with specific sensors during the flight and stored onboard. These data are used to plan the control experiment in 1 -g or simulated microgravity (clinostat) on Earth.
机译：介绍了太空中芽苗菜自动生长支持系统的设计和组装。这项工作是名为SAYSOY的项目的一部分，该项目是由ESA的教育计划资助的，并被选作在Foton-M2俄罗斯太空舱上的飞行。 SAYSOY硬件是全自动的，不需要任何外部控制信号。它可以被编程为通过注水引发种子发芽，并通过化学固定剂阻止幼苗生长。在实验的所有阶段都已成功进行了生物学和工程测试。已经进行了流体动力学的模拟以研究实验所需的空气，水和固定剂的流动。已经开发了对所有硬件部件和种子进行生物灭菌的方法。进行了广泛的测试，包括2个任务序列。回收胶囊后，可以除去硬件的上层并将其转移到实验室进行后续的生物测定和显微镜分析。可以将电子卡连接到计算机，以下载有关在飞行过程中使用特定传感器获取的温度和湿度的数据，并存储在机上。这些数据用于计划在地球上以1 g或模拟微重力（clinostat）进行的控制实验。

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