Lunar analogue facilities development at EAC: the LUNA project
2020, Journal of Space Safety Engineering
https://doi.org/10.1016/J.JSSE.2020.05.002Abstract
In view of the future missions to the Moon and in the framework of the Moon Village vision, the European Space Agency (ESA) and the German Aerospace Centre (DLR) are increasingly focused on activities leading from LEO human spaceflight to planetary exploration. A new era of coordinated human and robotic exploration is expected to begin with the construction of the Lunar Orbital Platform-Gateway (LOP-G), which will lead to a return of humans to the lunar surface. In this context, the European Astronaut Centre (EAC) and DLR, co-situated in Cologne, Germany, are preparing themselves for future human exploration by conducting Earth-based analogue and preparatory activities. We focus herein on LUNA a novel lunar analogue facility that is currently under development at the Cologne campus which will complement existing campus analogue facilities such as Environmental Habitat (:envihab) and the Neutral Buoyancy Facility (NBF). LUNA includes an artificial lunar analogue facility that consists of a hall-type structure containing a regolith testbed. A large volume regolith simulant, EAC-1, will be used to recreate facsimile of a lunar terrain, while illumination conditions can be varied to recreate different Moon conditions. Adjacent to the LUNA hall is the habitation module and Future Lunar EXploration Habitat (FLEXHab), hosting up to 4 crewmembers for 1-day missions, and providing direct access to LUNA. It is planned that the FLEXHab will utilize the energy module, a stand-alone power system built around hydrogen technology (fuel cells, electrolyzer, batteries and photovoltaics) for its energy supply. Strong synergies can be built with current analogue facilities at DLR :envihab and the NBF. For example, the DLR :envihab provides an infrastructure in which astronauts can sleep, eat and work under environmentally controlled conditions, even possibly under isolation. Within the LUNA testbed, specific mission scenarios can be simulated for astronaut training, including testing of geological/seismic regolith characterization techniques, In Situ Resource Utilization (ISRU) technologies, development of mining methods, rock formation mapping and storage, methods of biological and chemical analysis of soil samples, telerobotics, and Extravehicular Activity (EVA) preparation. The LUNA facility will be a flexible, evolvable, and unique exploration enabling asset to address the hurdles posed by future human and robotic exploration. Moreover, external partners such as research centres, universities, and private companies will be welcome to use the facilities and propose their own experiments on a low barrier for entry basis. The full operational capability of LUNA (hall, FLEXHab and energy module) is expected for 2021.
FAQs
AI
What are the unique features of the LUNA analogue facility?
The LUNA facility incorporates a 750 m² lunar test bed and controllable environments, allowing simulations of lunar conditions for both human and robotic exploration. Its design facilitates complex, integrated tests and easier logistics compared to natural analogues.
How does the LUNA project support lunar exploration collaborations?
LUNA aims to attract diverse partnerships, fostering innovation by allowing non-space entities to contribute to lunar exploration technologies. This collaboration is facilitated by integrating with existing facilities like EAC and DLR for shared expertise.
What types of experiments can FLEXHab accommodate?
FLEXHab hosts variably designed compartments for payloads, life support experiments, and dust mitigation techniques, supporting both single and multi-day simulations. Its flexible design includes an Environmental Control and Life Support System to simulate lunar habitats.
How does LUNA enhance astronaut training and preparation?
The facility's capabilities allow for the simulation of 1/6 g lunar gravity for astronaut training, including scenarios for crew medical emergencies. The incorporation of EVA suit preparation and rescue operation simulations enhances readiness for lunar missions.
What materials are used for simulating lunar regolith at LUNA?
LUNA utilizes EAC-1A, a basaltic rock ground to simulate lunar regolith, sourced from the Eifel region. Approximately 700 tonnes of this simulant will enable realistic testing of surface operations and geological analyses.
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