Apr 27, 2021
ABSTRACT: Results of development and experimental tests of Hall thruster ST-40 are presented. Structurally, the thruster consists of an anode unit and two heatless hollow cathodes. The magnetic system is made in the form of four electromagnets (central and three external) and magnetic poles for providing the required configuration of the magnetic field. The magnetic…
Apr 27, 2021
ABSTRACT: Results of development and experimental tests of Hall thruster ST-25 are presented. With the purpose of decrease of input electric power in the magnetic system of the thruster a permanent magnet is applied. The permanent magnet is located at the base of the central magnetic core. The permanent magnet provides most of the magnetic…
Apr 21, 2021
ABSTRACT: The Xenon Feed System is an essential part of any electric propulsion system. The life cycle of the feed system is largely determined by lifetime of the valves and the amount of working substance in tank. Whereas the amount of working substance is selected based on the requirements for each specific mission valve parameters…
Jan 28, 2021
Source: The Universe, Space, Tech, #3 (178) 2020 The problem of garbage management is a global challenge for humankind not only on Earth but also in space. Thousands of fragments of rockets and spacecraft threaten satellites and astronauts on the International Space Station (ISS). Removal of these piles of garbage is expensive and technologically complicated….
Dec 22, 2020
DNIPRO, UKRAINE, December 22, 2020 – Space Electric Thruster Systems (SETS), a Noosphere Ventures aerospace company, will undergo field testing in Low Earth Orbit (LEO) as part of the debut launch of the Firefly Aerospace Alpha rocket, which is scheduled for the beginning of 2021 from Vandenberg Air Force Base in California, U.S.A. “The goal…
Nov 18, 2020
In the article results of development and experimental tests of Hall-effect Thruster ST-25 are presented. This thruster is intended for application on small space vehicles. With the purpose of decrease of input electric power in the magnetic system of the thruster a permanent magnet is applied. The permanent magnet is located at the base of…
Jul 27, 2020
Summary There is now a growing need for broadband Internet access. The majority of subscribers are served through terrestrial (cable) or mobile networks; however, the deployment of terrestrial networks is not economically feasible for remote or sparsely populated areas. Broadband satellite communications are the only available solution for such areas. The main advantage of satellite…
May 25, 2020
The structure of electric propulsion systems based on Hall thrusters includes an energy processing and control unit (PPU) that converts the electrical energy of an onboard power supply into the voltages and currents needed to operate of all the propulsion system subsystems. One of the main secondary power supplies of PPU is the discharge power…
Feb 21, 2020
In this article, the electric propulsion system SPS-25, designed by Space Electric Thruster Systems (SETS) is presented. The system has 150 – 250W input power, and consists of Hall thruster ST-25; Xenon storage and feed system (XFS) and Power processing unit (PPU). At the referenced input power (150 – 250W) ST-25 provides a thrust 5…
Jul 18, 2019
This work addresses the issues on determining the optimal regions for using propulsion system for spacecraft at low near-Earth orbits. An analysis of spacecraft launches over the past 5 years has been performed. The result of analyzing the launches is the type of spacecraft, selected for subsequent calculations, specifically a remote sensing satellite at low…
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