Electromagnetic absorption properties of spacecraft and space debris

Micheli, Davide; Santoni, Fábio; Giusti, A M; Delfini, Andrea; Pastore, Roberto; Vricella, A.; Albano, Marta; Arena, Lorenzo; Piergentili, Fabrizio; Marchetti, M.

doi:10.1016/j.actaastro.2017.01.015

Cited by 18 publications

(5 citation statements)

References 17 publications

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“…The use of the reverberation chamber set-up is well-known and mostly adopted in electromagnetic compatibility and electromagnetic interference analysis of electronic or wireless systems [ 48 , 49 , 50 , 51 , 52 , 53 ]. Due to the particular electromagnetic environment, RC systems are frequently adopted to evaluate the EM absorbing capability provided by materials and structures [ 54 , 55 ]. The principle exploited by the RC is the chaotic distribution of the EM field, which in turns allows the materials to be hit by the EM waves from all possible directions of propagation.…”

Section: Methodsmentioning

confidence: 99%

Advanced Radar Absorbing Ceramic-Based Materials for Multifunctional Applications in Space Environment

et al. 2018

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In this review, some results of the experimental activity carried out by the authors on advanced composite materials for space applications are reported. Composites are widely employed in the aerospace industry thanks to their lightweight and advanced thermo-mechanical and electrical properties. A critical issue to tackle using engineered materials for space activities is providing two or more specific functionalities by means of single items/components. In this scenario, carbon-based composites are believed to be ideal candidates for the forthcoming development of aerospace research and space missions, since a widespread variety of multi-functional structures are allowed by employing these materials. The research results described here suggest that hybrid ceramic/polymeric structures could be employed as spacecraft-specific subsystems in order to ensure extreme temperature withstanding and electromagnetic shielding behavior simultaneously. The morphological and thermo-mechanical analysis of carbon/carbon (C/C) three-dimensional (3D) shell prototypes is reported; then, the microwave characterization of multilayered carbon-filled micro-/nano-composite panels is described. Finally, the possibility of combining the C/C bulk with a carbon-reinforced skin in a synergic arrangement is discussed, with the aid of numerical and experimental analyses.

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Section: Methodsmentioning

confidence: 99%

Advanced Radar Absorbing Ceramic-Based Materials for Multifunctional Applications in Space Environment

et al. 2018

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“…The facility adopted is the 'Space Environment Simulator' (SAS) of the Aerospace Systems Laboratory (LSA) available @ DIAEE -Sapienza University of Rome, which is a cylindrical vacuum chamber (volume around 5m 3 ) adapted to perform microwave characterization in conditions of chaotic EM propagation (see Fig. 1, [4][5][6]). Basically, by using a reverberation chamber the knowledge of the absorbed power allows to retrieve the as-called absorption cross section (ACS) of the object under investigation.…”

Section: Work Summarymentioning

confidence: 99%

Scientific activity of Sapienza University of Rome aerospace systems laboratory on the study of lunar regolith simulants, focusing on their effect on the microwave fields propagation

Delfini

2023

Materials Research Proceedings

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Abstract. The forthcoming space missions aiming at developing new habits on the Moon and into deep space are opening new challenges for materials scientists in enabling in-situ efficient systems and subsystems. During the last decades, Space Agencies programs of long-term missions addressed to the future Moon colonization moved the aerospace research interest toward the knowledge of how the lunar conditions could represent scientific and technological tasks to be tackled, to deal with such a big challenge. Among very many matters, a still open question is to understand how proper the lunar environment would be for TLC systems daily used on Earth, or whether it should be necessary to establish different stable systems on the Moon by finding alternative solutions with respect to the Earth conventional technologies. This paper introduces the scientific activity developed during recent years at the Aerospace Systems Laboratory of Sapienza University of Rome, concerning the study of lunar regolith with focus on its effect on the microwave fields propagation. The research addresses such task by simulating several representative Moon environmental conditions, reproducing well defined chemical/physical background in terms of atmospheric parameters and soil compositions, as from the available literature data, and analyzing the microwave propagation characteristics to design efficiently mobile TLC systems operating on the Moon. With the further objective of considering regolith as main routine resource for drawing up systems and facilities constituting lunar living structures, the analysis of regolith-microwave interaction is thus focused on two specific paths, such as building airtight structures by means of ISRU methodologies and the EM compatibility (EMC) analysis of simulated lunar environment & TLC systems design. This work can be thus considered as linked to the forthcoming projects aimed at enhancing the research community knowledge about the Moon environment, by assessing scientific background and establishing technological processes for lunar TLC systems development.

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“…For example, it can be used in EM stealth to lower the radar cross section (RCS) of various targets [1]. It can also be used in EM shielding [2,3] to protect some sensitive electronic equipment from unwanted EM radiation in space. In addition, it can also be used in EM compatibility [4], EM energy collection [5] and many other roles.…”

Section: Introductionmentioning

confidence: 99%

Design of all-dielectric ultra-wideband transparent water-based absorber

Lu¹,

Chen²,

Li³

2021

J. Phys. D: Appl. Phys.

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In this paper, an all-dielectric water-based transparent absorber is proposed. It is composed of transparent resin material filled with water, thus achieving the characteristics of all-dielectric and transparency. The simulation results show that the proposed absorber can achieve the absorptivity of more than 90% in the frequency band of 7.28-28.22GHz, and has good thermal stability and oblique incidence angular stability. The thickness of the absorber is only 6.5mm, corresponding to 0.16λmax~0.61λmin. The test results are in good agreement with the simulation results, which proves that the water-based absorber has good performance. It can be applied in the field of electromagnetic(EM) stealth, EM energy harvesting and EM shielding.

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Electromagnetic absorption properties of spacecraft and space debris

Cited by 18 publications

References 17 publications

Advanced Radar Absorbing Ceramic-Based Materials for Multifunctional Applications in Space Environment

Advanced Radar Absorbing Ceramic-Based Materials for Multifunctional Applications in Space Environment

Scientific activity of Sapienza University of Rome aerospace systems laboratory on the study of lunar regolith simulants, focusing on their effect on the microwave fields propagation

Design of all-dielectric ultra-wideband transparent water-based absorber

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