Deliverables
Coated LWTs will be tested in the vacuum chamber to determine the work function in addition to optical tests mechanical tests traction and fatigue thermal cycling Atomic Oxygen and Ultraviolet radiation A bulk measurement will serve as a reference for the LWTs
DK Test and VerificationDeOrbit Kit test verification report Statement of compliance to the requirements verifiable by Test and Inspection
Assessment for Industrial ProductionAll processes and technologies used for the development of the C12A7e powder the pastes or slurries coating technologies as well as batch based and continuous furnace processes will be rated with respect to material performance scalability costs and industrial transferability aiming on the fabrication of long LWT components by continuous processes
DK Target RequirementsDeOrbit Kit Target Requirement document with justification Document includes functional performance operational and verification requirements
LWT Mission DesignDocument describing the algorithms to make optimal mission design with LWTs In particular the algorithms provide the optimal tether geometry shape and dimensions It considers both deorbit and reboost missions and the corresponding figures of merit such as system mass deorbit time system efficiency tether cut probability etc The algorithms will be used to calculate the optimal performance of LWT in the two scenarios as a function of the physical properties of the LWT
Model vs Experiment ValidationDocument with confrontations and discussions of the predictions provided by the theoretical models developed for the current exchange of LWTs with round and tape geometries and the experimental results obtained in the vacuum chamber
DM Baseline DesignThe report illustrates the results of the tradeoff analysis among different mechanical solutions the preliminary definition of requirements and presents the deployment mechanism baseline concept
Powder Synthesis and First pasteTwo synthesis routes for the C12A7-base material (solid state reaction and glass ceramic route, both including doping for enhanced photoelectron emission) and a thermal treatment for the transformation into the electrid C12A7:e- will be developed in order to provide a processable powder quality. Sintered hollow cathodes made of C12A7:e powder will be manufactured and available for characterization of photoelectron behavior (TUD) as well as for the development and qualification of suitable adhesive brazing pastes. First composite pastes based on C12A7:e- powder and brazing alloy powders will be available and characterized ready for coating experiments on metal foils on LWT by screen printing processes (20x20mm2).
LWT Performance and ApplicationsThe document describes the performance of optimallydesigned LWTs in deorbit and reboost mission in Low Earth Orbit and also in other interesting enviroment such as Jupiters magnetosphere For the dynamics it considers rigid and flexible tether models thus including possible instabilities and control strategies for mitigation
LWT Model and Target RequirementsDocument with a detailed description of the LWT/plasma model for round and tape tether geometries. Precise list of the target requirements, i.e. the optical, mechanical and thermal properties that the LWT should satisfy to meet the performance in deorbit and re-boost missions.
Public website with information about the space debris problem, the tether solution and the goals of E.T.PACK. It also includes information about the partners and their roles in the development of the deorbit kit. The website will be updated periodically with the publications list, presentations in international conferences, and main results, including simulation data.
Scaled amounts of C12A7:e- powders (100g per batch size) will be available for manufacturing of multicomponent pastes and slurries consisting of C12A7:e- and brazing adhesive. The pastes, the screen printing and the slurry casting process will be qualified for coating of metal foils with a length of 50cm. Results of a feasibility study on thermal firing processes based on continuous furnace technologies for crack free and functional coatings on LWT are available and reported. Functionally coated LWT-demonstrators with a length of 50cm will we analysed in terms of photoemission characteristics and compared with single component bulk hollow cathodes.
Management plan of the data that will be generated in E.T.PACK. It will be mainly focussed on the numerical data generated on emissive Langmuir probes and its application in flight simulator of low work function tethers.
Publications
Author(s):
A. Post, J.F. Plaza, J. Toledo, D. Zschätzsch, M. Reitemeyer, L. Chen, A. Gurciullo, A. Siegel, P. J. Klar, P. Lascombes and B. Seifert
Published in:
IOP Conf. Series: Materials Science and Engineering, 2022, ISSN 1757-8981
Publisher:
IOP Publication
DOI:
10.1088/1757-899x/1226/1/012092
Author(s):
Norman Gondol, Martin Tajmar
Published in:
CEAS Space Journal, 2021, ISSN 1868-2502
Publisher:
Springer Verlag
DOI:
10.1007/s12567-021-00369-1
Author(s):
Katja Waetzig; Jochen Schilm; Christian Drobny; Martin Tajmar
Published in:
Advanced Engineering Materials, Issue 10, 2023, ISSN 1527-2648
Publisher:
Wiley
DOI:
10.1002/adem.202201286
Author(s):
Katja Waetzig, Jochen Schilm
Published in:
International Journal of Ceramic Engineering & Science, 2021, ISSN 2578-3270
Publisher:
Wiley Periodicals LLC
DOI:
10.1002/ces2.10098
Author(s):
Gabriel Borderes-Mottaa, Gabriel de Haro-Pizarrosoa, Gangqiang Li,
Hanze Yu, Zheng H. Zhu, Giulia Sarego, Giacomo Colombatti, Enrico C.
Lorenzini, Jesse K. McTernan, Brian E. Gilchrist, Sven G. Bilen, Satomi
Kawamoto, Yasushi Ohkawa, Gonzalo S´anchez-Arriaga
Published in:
Acta Astronautica, 2023, ISSN 0094-5765
Publisher:
Pergamon Press Ltd.
DOI:
10.1016/j.actaastro.2023.04.015
Author(s):
M. Tajmar, G. Sánchez-Arriaga
Published in:
Acta Astronautica, Issue 180, 2021, Page(s) 350-360, ISSN 0094-5765
Publisher:
Pergamon Press Ltd.
DOI:
10.1016/j.actaastro.2020.12.053
Author(s):
Giulia Sarego, Lorenzo Olivieri, Andrea Valmorbida, Carlo Bettanini, Giacomo Colombatti, Marco Pertile and Enrico C. Lorenzini
Published in:
International Journal of Aerospace and Mechanical Engineering, 2021, Page(s) 185-191, ISSN 1307-6892
Publisher:
World Academy of Science, Engineering and Technology
Author(s):
Sarego, G.; Olivieri, L.; Valmorbida, A.; Brunello, A.; Lorenzini, E. C.; Tarabini Castellani, L.; Urgoiti, E.; Ortega, A.; Borderes-Motta, G.; Sánchez-Arriaga, G.
Published in:
CEAS Space Journal, Issue 1, 2021, ISSN 1868-2502
Publisher:
Springer Verlag
DOI:
10.1007/s12567-021-00349-5
Author(s):
Lorenzo Olivieri, Andrea Valmorbida, Giulia Sarego, Enrico Lungavia, Davide Vertuani & Enrico C. Lorenzini
Published in:
Advances in Astronautics Science and Technology, 2020, ISSN 2524-5260
Publisher:
Springer
DOI:
10.1007/s42423-020-00068-9
Author(s):
L. Tarabini Castellani, A. Ortega, A. Giménez, E. Urgoiti, G. Sánchez-Arriaga, G. Borderes-Motta, E.C. Lorenzini, M. Tajmar, K. Wätzig, A. Post, J.F. Plaza
Published in:
Journal of Space Safety Engineering, 2020, ISSN 2468-8967
Publisher:
Elsevier
DOI:
10.1016/j.jsse.2020.07.001
Author(s):
N Gondol and M. Tajmar
Published in:
Journal of Electric Propulsion, 2022, ISSN 2731-4596
Publisher:
Springer
DOI:
10.1007/s44205-022-00025-8
Author(s):
Luca Chiabó, Sadaf Shahsavani, Gonzalo Sánchez-Arriaga
Published in:
Physical Review E, Issue 104/5, 2021, ISSN 2470-0045
Publisher:
American Physical Society
DOI:
10.1103/physreve.104.055204
Author(s):
L. Olivieri, A. Brunello, G. Sarego, A. Valmorbida, E.C. Lorenzini
Published in:
Acta Astronautica, Issue 189, 2021, Page(s) 559-566, ISSN 0094-5765
Publisher:
Pergamon Press Ltd.
DOI:
10.1016/j.actaastro.2021.09.012
Author(s):
G. Sánchez-Arriaga, J.R. Sanmartín
Published in:
Aerospace Science and Technology, Issue 96, 2020, Page(s) 105519, ISSN 1270-9638
Publisher:
Elsevier BV
DOI:
10.1016/j.ast.2019.105519
Author(s):
G. Sanchez-Arriaga, S. Naghdi
Published in:
Journal of Guidance, Control, and Dynamics, Issue 43/2, 2020, Page(s) 212-221, ISSN 1533-3884
Publisher:
AMER INST AERONAUTICS ASTRONAUTICS,
DOI:
10.2514/1.g004746
Author(s):
Wätzig, Katja; Rost, Axel; Schilm, Jochen; Tajmar, M.; Michaelis, Alexander
Published in:
Journal of Ceramic Science and Technology, Issue 1, 2019, ISSN 2190-9385
Publisher:
Goeller Verlag GmbH
DOI:
10.4416/JCST2019-00032
Author(s):
N. Gondol and M. Tajmar
Published in:
CEAS Space Journal, 2022, ISSN 1868-2510
Publisher:
Springer
DOI:
10.1007/s12567-022-00446-z
Author(s):
S Shahsavani, X Chen, G Sanchez-Arriaga
Published in:
Plasma Physics and Controlled Fusion, Issue 63/11, 2021, Page(s) 115018, ISSN 0741-3335
Publisher:
Institute of Physics Publishing
DOI:
10.1088/1361-6587/ac2559
Author(s):
L. Tarabini Castellani, S. García González, A. Ortega, S. Madrid, E.C. Lorenzini, L. Olivieri, G. Sarego, A. Brunello, A. Valmorbida, M. Tajmar, C. Drobny, J-P. Wulfkuehler, R. Nerger, K. Wätzig, S. Shahsavani and G. Sánchez-Arriaga.
Published in:
Journal of Space Safety Engineering, 2022, ISSN 2468-8967
Publisher:
ELSEVIER
DOI:
10.1016/j.jsse.2022.01.004
Author(s):
G. Sánchez-Arriaga, S. Naghdi, K. Wätzig, J. Schilm, E.C. Lorenzini, M. Tajmar, E. Urgoiti, L. Tarabini Castellani, J.F. Plaza, A. Post
Published in:
Acta Astronautica, 2020, ISSN 0094-5765
Publisher:
Pergamon Press Ltd.
DOI:
10.1016/j.actaastro.2020.03.036
Author(s):
N. Gondol and M. Tajmar
Published in:
CEAS Space Journal, 2022, ISSN 1868-2510
Publisher:
Springer
DOI:
10.1007/s12567-022-00449-w
Author(s):
L. Chiabó, G. Sánchez-Arriaga
Published in:
Journal of Computational Physics, Issue 438, 2021, Page(s) 110366, ISSN 0021-9991
Publisher:
Academic Press
DOI:
10.1016/j.jcp.2021.110366
Author(s):
A. Valmorbida, L. Olivieri, A. Brunello, G. Sarego, G. Sánchez-Arriaga,E.C. Lorenzini
Published in:
Acta Astronautica, 2022, ISSN 0094-5765
Publisher:
Pergamon Press Ltd.
DOI:
10.1016/j.actaastro.2022.06.013
Author(s):
S. Garcia-Gonzalez and G. Sanchez-Arriaga
Published in:
Acta Astronautica, 2022, ISSN 0094-5765
Publisher:
Pergamon Press Ltd.
DOI:
10.1016/j.actaastro.2022.01.011
Author(s):
G. Sánchez-Arriaga, G. Borderes-Motta, L. Chiabó
Published in:
Acta Astronautica, 2022, ISSN 0094-5765
Publisher:
Pergamon Press Ltd.
DOI:
10.1016/j.actaastro.2022.06.021
Author(s):
ANDREA VALMORBIDA; Lorenzo Olivieri; Giulia Sarego; Brunello, Alice; Vertuani, Davide; Carlo BETTANINI FECIA DI COSSATO; MARCO PERTILE; ENRICO LORENZINI
Published in:
Università degli Studi di Padova - IRIS, Issue 4, 2021
Publisher:
IEEE
Author(s):
Brunello, Alice; Lorenzo Olivieri; Giulia Sarego; ANDREA VALMORBIDA; Enrico, Lungavia; ENRICO LORENZINI
Published in:
Università degli Studi di Padova - IRIS, Issue 1, 2021
Publisher:
IEEE
Author(s):
G. Sánchez-Arriaga, L. Tarabini Castellani, E. C. Lorenzini, M. Tajmar, K. Wätzig, and A. Post
Published in:
8th European Conference on Space Debris,, 2021
Publisher:
ESA/ESOC
Author(s):
Tarabini-Castellani, Lorenzo; Ortega, Asier; Garcia, Sergio; Madrid, Salvador; Sanchez-Arriaga, Gonzalo; Lorenzini, Enrico C.; Olivieri, Lorenzo; Sarego, Giulia; Valmorbida, Andrea; Tajmar, Martin; Drobny, Christian; Wulfkühler, Jan-Philipp; Wätzig, Katja
Published in:
71st International Astronautical Congress, IAC 2020, Issue 1, 2020
Publisher:
International Astronautical Federation -IAF-
Author(s):
Shahsavani, Sadaf
Published in:
Issue 3, 2022
Publisher:
Universidad Carlos III de Madrid
Author(s):
Malerba, Franco; Bekey, Ivan; González del Amo, José; Lu, Hongshi; Li, Ai-jun; Changqing, Wang; Ledkov, Alexander; Ohkawa, Yasushi; Zhu, Zheng H. (George); Vasiliev, V.V.; Alpatov, A.P.; Burkhardt, Zachary; Gilchrist, Brian; Wei, Yuanyuan; Wang, Changqing; Iakubivskyi, Iaroslav; Santangelo, Andrew; Sun, Xin; Yang, Keying; Sánchez Arriaga, Gonzalo; Kojima, Hirohisa; García-Pelayo, Ricardo; Bomb
Published in:
Issue 1, 2019
Publisher:
Universidad Carlos III de Madrid
Intellectual Property Rights
Application/Publication number:
16
863722
Date:
2016-11-11
Applicant(s):
UNIVERSIDAD CARLOS III DE MADRID
Application/Publication number:
16
863721
Date:
2016-11-11
Applicant(s):
UNIVERSIDAD CARLOS III DE MADRID
Application/Publication number:
M
-004148/2021
Date:
2021-06-10
Applicant(s):
UNIVERSIDAD CARLOS III DE MADRID
Application/Publication number:
M-
007775/2020
Date:
2020-12-18
Applicant(s):
UNIVERSIDAD CARLOS III DE MADRID
Application/Publication number:
M-
004149/2021
Date:
2021-06-10
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