Zobrazeno 1 - 10
of 7 475
pro vyhledávání: '"Spacecraft propulsion"'
Autor:
Alexander Spethmann, Thomas Trottenberg, Holger Kersten, Franz Georg Hey, Lou Grimaud, Stéphane Mazouffre, Daniel Bock, Martin Tajmar
Publikováno v:
EPJ Techniques and Instrumentation, Vol 9, Iss 1, Pp 1-12 (2022)
Abstract Diagnostics with force probes in plumes of electric propulsion systems for spacecraft (thrusters) are presented. This contribution focuses on showing example measurements with force probes for the most common gridless ion thruster types. The
Externí odkaz:
https://doaj.org/article/050dee3b65974b439916a1e2f2a61755
Autor:
Thomas Trottenberg, Florian Bansemer, Stephan Böttcher, Davar Feili, Hartmut Henkel, Marcel Hesse, Holger Kersten, Tony Krüger, Jens Laube, Alexey Lazurenko, Daniel Sailer, Björn Schuster, Lars Seimetz, Alexander Spethmann, Stefan Weis, Robert F. Wimmer-Schweingruber
Publikováno v:
EPJ Techniques and Instrumentation, Vol 8, Iss 1, Pp 1-23 (2021)
Abstract The plasma diagnostics presented in this article target the plasma surrounding a spacecraft that is created by the electric thruster and its surface modifying effects. The diagnostic package includes a retarding potential analyzer, a plane L
Externí odkaz:
https://doaj.org/article/2e9d4fb66fd249d9aeaa2c6fee9db6eb
Publikováno v:
Materials & Design, Vol 222, Iss , Pp 111099- (2022)
This paper reports endurance tests on engineering model high-temperature resistojets manufactured using flight-representative materials. High-temperature resistojets improve the economics of small satellites and are an attractive technology for auxil
Externí odkaz:
https://doaj.org/article/96cb91fa100348f2aa5a8e1fad4e96b5
Publikováno v:
IET Power Electronics, Vol 14, Iss 11, Pp 1995-2006 (2021)
Abstract This paper presents a novel coupled converter with high‐voltage insulation protection in magnetic isolated way by taking the case of heater/ignitor/keeper supply for powering discharge cathode in the space ion electric propulsion (EP) thru
Externí odkaz:
https://doaj.org/article/abcc9737afa54435b87c23dc47f7f97f
Akademický článek
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Akademický článek
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Publikováno v:
IEEE Transactions on Industrial Electronics. 69:11035-11045
A gallium nitride (GaN)-based resonant step-up converter is proposed for the application in the satellite electric propulsion (EP) system. This converter consists of a full-bridge inverter, a resonant tank and a multi-stage Cockcroft-Walton (CW) volt
Autor:
Tsybin Oleg, Makarov Sergey, Dyubo Dmitry, Kuleshov Yuri, Goncharov Pavel, Martynov Viktor, Shunevich Nikolay
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 13, Iss 2 (2020)
A number of characteristics of ionic and ion-plasma accelerators laboratory samples designed for electrically powered spacecraft propulsion were investigated in the experimental research. In a large-sized vacuum chamber (2.4 m^3, 10^-3 Pa) in the MCA
Externí odkaz:
https://doaj.org/article/86bc30b21671409e804b38b0003185ba
Autor:
Dyubo Dmitry, Tsybin Oleg
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 13, Iss 1 (2020)
Аn analytical electrodynamic algorithm has been developed in order to study physical processes and calculate mechanical forces in an ion accelerator. This algorithm is combined with computer simulation of the electromagnetic field and charged partic
Externí odkaz:
https://doaj.org/article/afae431fe36847e68427d2af09edbd9d
Publikováno v:
EPJ Techniques and Instrumentation, Vol 5, Iss 1, Pp 1-17 (2018)
Abstract A novel probe for the measurement of forces exerted by a beam of ions and neutral atoms on a small target is described. The force probe is intended for various applications: First, diagnostics of thruster plumes of electric spacecraft propul
Externí odkaz:
https://doaj.org/article/deb62b87af89487a99e33138a7b59141