Lunar shelter construction issues: The state-of-the-art towards 3D printing technologies

Ulubeyli, Serdar

doi:10.1016/j.actaastro.2022.03.033

Cited by 24 publications

(4 citation statements)

References 189 publications

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“…are provided by Ulubeyli [89]. For the experimental investigations, a separating cut in the direction of the thickness was selected (cut thickness 7 mm, cut length 15 mm).…”

Section: Methodsmentioning

confidence: 99%

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Towards Lunar In-Situ Resource Utilization Based Subtractive Manufacturing

Seidel,

Teicher,

Ihlenfeldt

et al. 2023

Applied Sciences

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In recent years, space agencies, such as the National Aeronautics and Space Administration (NASA) and European Space Agency (ESA), have expanded their research activities in the field of manufacturing in space. These measures serve to reduce limitations and costs through fairing size, launch mass capabilities or logistic missions. The objective, in turn, is to develop technologies and processes that enable on-demand manufacturing for long-term space missions and on other celestial bodies. Within these research activities, in-situ resource utilization (ISRU) and recycling are major topics to exploit local resources and save transport capacity and, therefore, costs. On the other hand, it is important to carefully consider which items can be brought and which must be manufactured on the Moon. Consequently, on-demand needs in future space missions are considered regarding frequency, raw material and required manufacturing processes according to investigations by ESA and NASA. In conclusion, manufacturing in space state-of-the-art shows a strong focus on additive processes, primarily considering semicrystalline or amorphous plastics. The subtractive processing of metallic or ceramic materials, in turn, currently represents a research gap. Consequently, an approach for in-situ resource utilization-based subtractive manufacturing in space is presented to supplement the existing processes. The latter uses a high-pressure jet of water, with regolith simulate as abrasive in suspension, being directed at the workpiece, which is moved to separate metal and glass. Proof-of-concept results are presented, including suitable process windows, achieved cutting geometries, as well as the effects of parameter variations on the system technology and consumables used. The focus of the investigations supplements the general requirements for the design of machine tools for space applications with inertial process-specific boundary conditions as a step towards higher technology maturity.

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“…are provided by Ulubeyli [89]. For the experimental investigations, a separating cut in the direction of the thickness was selected (cut thickness 7 mm, cut length 15 mm).…”

Section: Methodsmentioning

confidence: 99%

“…Either way, from these glasses, glass ceramics can also be built. Application scenarios for the use of glasses, on the other hand, are provided by Ulubeyli [89]. For the experimental investigations, a separating cut in the direction of the thickness was selected (cut thickness 7 mm, cut length 15 mm).…”

mentioning

confidence: 99%

Towards Lunar In-Situ Resource Utilization Based Subtractive Manufacturing

Seidel,

Teicher,

Ihlenfeldt

et al. 2023

Applied Sciences

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show abstract

“…Either way, from these glasses, glass-ceramics can be built, too. Application scenarios for the use of glasses, on the other hand, are provided by Ulubeyli in [85]. For the experimental investigations, a separating cut in the direction of the thickness was selected (cut thickness 7 mm, cut length 15 mm).…”

Section: Lithium Silicatementioning

confidence: 99%

Novel Approach for In-Situ Resource Utilization based Subtractive Manufacturing in Space

Seidel

Teicher

Ihlenfeldt

et al. 2023

Preprint

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In recent years, space agencies like NASA and ESA have expanded their research activities in the field of Manufacturing in Space. These measures serve to reduce limitations and costs through fairing size, launch mass capabilities or logistic missions. The objective, in turn, is to develop technologies and processes that enable on-demand manufacturing for long-term space missions and on other celestial bodies. Within these research activities, in-situ resources utilization (ISRU) and recycling are major topics. Consequently, this paper considers what is required on-demand in future space missions and provides a corresponding overview of the in-space manufacturing state of the art. The latter is significantly influenced by research activities in the field of additive manufacturing, with only a few results available in the field of subtractive processing. In conclusion, a novel approach for in-situ resource utilization based subtractive manufacturing in space is presented to supplement the existing processes. The approach presented is based on a water abrasive jet process, with regolith simulate being used as the abrasive to separate metal and glass.

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“…Moon objects experience a sixth of Earth's gravitational force. In the lunar environment, urine and feces fall (3). This document covers LAVIT's mission, design, implementation, analysis, technical resource allocation, and risk assessment.…”

Section: Introductionmentioning

confidence: 99%

LAVIT (LAVavatory system for Interplanetary Travels) for NASA’s Artemis Program

Karmakar,

Shastri,

Choomjinda

et al. 2024

J. Phys.: Conf. Ser.

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NASA’s Artemis program aims to land on the Moon by 2024. Returning to the Moon will establish a base for future crewed Mars missions. Many efforts are underway to provide astronauts with equipment, housing, and other assistance as the prospect of returning to the Moon. Mass reduction, volume reduction, energy efficiency improvements, and operational optimization are the goals. Astronauts will urinate and defecate in microgravity and lunar gravity after eating and drinking. During their time inside the spacecraft and outside of their spacesuits, astronauts will require a toilet that possesses equivalent functionalities to that found on Earth. Therefore in this study, a complete lavavatory system for interplanetary travels have been developed and designed.

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Lunar shelter construction issues: The state-of-the-art towards 3D printing technologies

Cited by 24 publications

References 189 publications

Towards Lunar In-Situ Resource Utilization Based Subtractive Manufacturing

Towards Lunar In-Situ Resource Utilization Based Subtractive Manufacturing

Novel Approach for In-Situ Resource Utilization based Subtractive Manufacturing in Space

LAVIT (LAVavatory system for Interplanetary Travels) for NASA’s Artemis Program

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