CEAS Space Journal最新文献

{"title":"Inelastic scattering dynamics of hyperthermal O atoms on engineering surfaces relevant to satellites in low Earth orbit.","authors":"Chenbiao Xu, Adriana Caracciolo, Pedro D C Jorge, Irina Gouzman, Marcin D Pilinski, Timothy K Minton","doi":"10.1007/s12567-025-00628-5","DOIUrl":"https://doi.org/10.1007/s12567-025-00628-5","url":null,"abstract":"<p><p>Understanding the gas-surface momentum transfer of oxygen atoms, a major component of the residual atmosphere at very low Earth orbit (VLEO) altitudes of 100-450 km, on materials on the exterior of satellites is important for estimating drag. We have thus investigated the scattering dynamics of orbital-velocity O atoms on four representative materials fluorinated ethylene propylene (FEP) polymer, aluminum with a chromate conversion Alodine coating (Al), solar cell cover glass with a MgF₂ coating (CG), and a glass-reinforced epoxy laminate circuit board material (FR4). A pulsed hyperthermal atomic-oxygen beam with a nominal translational energy of ~ 4.7 eV was directed at the target surface, and the scattered products were detected with a rotatable mass spectrometer. Time-of-flight (TOF) distributions were measured with various incident beam angles (<i>θ</i> _<i>i</i>  = 60°, 45°, 30°, 15°, 0°) for O atoms scattered in and out of the plane defined by the incident beam and surface normal. For both in-plane and out-of-plane scattering experiments, TOF distributions of O atoms exhibited mostly impulsive scattering, with atom-surface scattering events occurring on a time scale too short for thermal equilibrium to be achieved. A small fraction of thermally desorbed O atoms was also observed. In addition, both the flux and energy of the scattered O atoms were found to be higher when exiting the CG and FEP surfaces than when exiting the FR4 and Al surfaces. The lower flux of O atoms scattering from FR4 and Al at a given final angle (<i>θ</i> _<i>f</i> ), is the result of the combined effects of reactive collisions leading to OH and H₂O products and the multiple-bounce trajectories of the incident O atoms on the rough surfaces, which leads to scattering angle randomization. Characterization of the material surfaces was consistent with the observed scattering dynamics: CG and FEP surfaces are relatively smooth at the nanometer scale, while FR4 and Al surfaces are comparatively rough. Regardless of surface roughness, the average fractional energy transfer to the surface is well parameterized by the angle through which the incident O atoms were deflected as they scattered from the surface. The fraction of thermally desorbed O atoms tends to be higher for the FR4 and Al surfaces than for the CG and FEP surfaces, which is consistent with greater energy accommodation on the FR4 and Al surfaces. The results suggest that FR4 and Al surfaces will lead to increased drag compared to CG and FEP surfaces, as a result of the greater overall energy accommodation of incident O atoms on the rougher surfaces.</p><p><strong>Supplementary information: </strong>The online version contains supplementary material available at 10.1007/s12567-025-00628-5.</p>","PeriodicalId":44940,"journal":{"name":"CEAS Space Journal","volume":"18 3","pages":"541-558"},"PeriodicalIF":1.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13144222/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147844345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"SEE Failure Analysis of Hi-rel ASIC for Spacecraft Applications","authors":"K. Padmapriya, B. K. S. V. L. Varaprasad, Debjyoti Mallik","doi":"10.1007/s12567-023-00532-w","DOIUrl":"https://doi.org/10.1007/s12567-023-00532-w","url":null,"abstract":"","PeriodicalId":44940,"journal":{"name":"CEAS Space Journal","volume":"34 26","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138950059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advancing spacecraft demisability through a novel composite bolt joint system: a step toward sustainable and safe space environments","authors":"Alexandre A. Looten, Albert Vodermayer, Antonio Caiazzo, Ralf Usinger, Muriel Richard, Véronique Michaud","doi":"10.1007/s12567-023-00531-x","DOIUrl":"https://doi.org/10.1007/s12567-023-00531-x","url":null,"abstract":"","PeriodicalId":44940,"journal":{"name":"CEAS Space Journal","volume":"67 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139003337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Integration of reliability, availability, maintainability and safety in model-based systems engineering","authors":"Louis Thomas, Lorenzo Bitetti, Délia Cellarier, Jonathan Toupet","doi":"10.1007/s12567-023-00527-7","DOIUrl":"https://doi.org/10.1007/s12567-023-00527-7","url":null,"abstract":"","PeriodicalId":44940,"journal":{"name":"CEAS Space Journal","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136158872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessment of radiation shielding properties of self-healing polymers and nanocomposites for a space habitat case study under GCR and LEO radiation","authors":"Laura Pernigoni, Ugo Lafont, Antonio Mattia Grande","doi":"10.1007/s12567-023-00525-9","DOIUrl":"https://doi.org/10.1007/s12567-023-00525-9","url":null,"abstract":"Abstract In recent decades, the opportunity to introduce self-healing materials within space structures has drawn the attention of scientists and companies. Autonomous repair following damage caused by impacts with micrometeoroids and orbital debris (MMOD) would lead to safer human activity in space and would increase spacecraft operational life and autonomy, thus reducing replacement costs and possibly relieving astronauts from maintenance activities. In particular, integrating self-healing materials into structures to protect humans from the space environment is a fundamental step in the realization of long-lasting space exploration missions. Nevertheless, the way these materials interact with the environmental factors in space still needs to be properly analyzed and understood; in particular, space radiation is a serious threat to human health and material integrity. The proposed work hence investigates the shielding ability of candidate self-healing materials with the specific purpose of human protection in crewed missions. The NASA HZETRN2015 (High Z and Energy TRaNsport, 2015 version) software is used to simulate galactic cosmic rays (GCR) and low Earth orbit (LEO) environment. A comparison between a standard habitat layup proposed by NASA and a set of configurations containing self-healing polymers is performed to verify that the substitution of conventional bladder materials with the proposed self-healing solutions does not decrease the overall habitat shielding performance. A self-healing nanocomposite option with single-walled carbon nanotubes (SWCNTs) is also analyzed to determine whether the insertion of nanofillers can increase the overall shielding performance. In the second phase, the comparison of puncture tests on blank and irradiated samples under conditions reproducing a space suit example is presented to assess the possible effects of radiation on the self-healing performance.","PeriodicalId":44940,"journal":{"name":"CEAS Space Journal","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135803556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"High-speed vehicle systems and technologies","authors":"A. Siebenhaar, L. Chen, Ch. Fureby, A. Gernoth, M. Marini, J. Steelant, R. Vetrano, V. Wheatley","doi":"10.1007/s12567-023-00524-w","DOIUrl":"https://doi.org/10.1007/s12567-023-00524-w","url":null,"abstract":"","PeriodicalId":44940,"journal":{"name":"CEAS Space Journal","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135969719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of the thermal design of a COTS-based modular battery system for satellites by thermal vacuum testing","authors":"Marius Eilenberger, Hariharan Gunasekar, Daniel Gomez Toro, Cornelie Bänsch","doi":"10.1007/s12567-023-00526-8","DOIUrl":"https://doi.org/10.1007/s12567-023-00526-8","url":null,"abstract":"Abstract The qualification of components for satellite applications is a costly process due to the extreme conditions that must be endured in space. Therefore, space market access of battery technology innovations is often inhibited. However, modern battery technologies offer great advantages for satellite applications. In this work, a commercial off-the-shelf (COTS) based and modular lithium-ion battery system for satellites in Low Earth Orbit (LEO) is presented. A comparative analysis to evaluate system parameters and functionality of the proposed battery system and literature data is performed. A thermal vacuum test campaign is carried out to investigate the behaviour under LEO relevant conditions and to achieve qualification of the system performance according to the ECSS (European Cooperation for Space Standardization) standard. The tested system consists of two modules with 28 V nominal voltage and eight battery cells each. Experiments were conducted inside a vacuum chamber. The battery system was charged and discharged in temperatures from 0 °C to 45 °C in a high-vacuum for three weeks. The influence of the battery management electronics, the behaviour of the cells and the heating were analyzed. The cell temperatures stayed in the operating limit during 3.5 A and 10 A cycling. The battery system, however, exceeded the cell’s upper operating limit with a 40 °C baseplate and 3.5 A charging. Despite the dense system architecture with electronics between the cells the battery system can safely deliver power in a broad temperature range. Further investigations regarding safety and failure modes are necessary, along with advancements on software and state estimation algorithms.","PeriodicalId":44940,"journal":{"name":"CEAS Space Journal","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136064008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advanced test environment for automated attitude control testing of fully integrated CubeSats on system level","authors":"Oliver Ruf, Maximilian von Arnim, Florian Kempf, Roland Haber, Lisa Elsner, Johannes Dauner, Slavi Dombrovski, Alexander Kramer, Klaus Schilling","doi":"10.1007/s12567-023-00523-x","DOIUrl":"https://doi.org/10.1007/s12567-023-00523-x","url":null,"abstract":"","PeriodicalId":44940,"journal":{"name":"CEAS Space Journal","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135141689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"RAMS analyses interdependencies within space missions","authors":"Silvana Radu, Charles Lahorgue, Fabrice Cosson","doi":"10.1007/s12567-023-00521-z","DOIUrl":"https://doi.org/10.1007/s12567-023-00521-z","url":null,"abstract":"","PeriodicalId":44940,"journal":{"name":"CEAS Space Journal","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135245718","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of weather balloon data to evaluate the aerodynamic influence on the launch phase of SHEFEX II","authors":"Marius Franze, Philipp Donn","doi":"10.1007/s12567-023-00513-z","DOIUrl":"https://doi.org/10.1007/s12567-023-00513-z","url":null,"abstract":"Abstract In this work, an advanced atmospheric model (IATM) for the flight of SHEFEX II is created and its effect on the aerodynamic loads of the first-stage fins of SHEFEX II is investigated. The atmospheric model bases on weather balloon data collected at the starting day of the flight experiment. The wind data are filtered using empirical mode decomposition (EMD) and reduced by their intrinsic mode functions (IMF) to get wind data without balloon oscillation. Compared to a linear interpolated atmosphere (LATM), the numerical results show no significant influence on the forced motion body loads but there is a high impact of wind on the fins of SHEFEX II as unsteady simulations show an increase up to over 50% of dynamic loading, while viscous effects can be neglected.","PeriodicalId":44940,"journal":{"name":"CEAS Space Journal","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135740593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}