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Related papers: Photonic spin control for solar wind electric sail

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The electric solar wind sail (E-sail) is a way to propel a spacecraft by using the natural solar wind as a thrust source. The problem of secular spinrate change was identified earlier which is due to the orbital Coriolis effect and tends to…

Instrumentation and Methods for Astrophysics · Physics 2017-05-10 Pekka Janhunen , Petri Toivanen

We consider a freely guided photonic blade (FGPB) which is a centrifugally stretched sheet of photonic sail membrane that can be tilted by changing the centre of mass or by other means. The FGPB can be installed at the tip of each main…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 P. Janhunen

The electric solar wind sail is a novel propellantless space propulsion concept. According to numerical estimates, the electric solar wind sail can produce a large total impulse per propulsion system mass. Here we consider using a 0.5 N…

Instrumentation and Methods for Astrophysics · Physics 2014-08-28 Pekka Janhunen , Jean-Pierre Lebreton , Sini Merikallio , Mark Paton , Giovanni Mengali , Alessandro A. Quarta

We show that by having the auxtethers made partly or completely of conducting material and by controlling their voltages, it is possible to control the spin rate of the electric solar wind sail by using the electric sail effect itself. The…

Instrumentation and Methods for Astrophysics · Physics 2014-06-27 Pekka Janhunen , Petri Toivanen

The solar wind electric sail (E-sail) is a planned in-space propulsion device that uses the natural solar wind momentum flux for spacecraft propulsion with the help of long, charged, centrifugally stretched tethers. The problem of…

Instrumentation and Methods for Astrophysics · Physics 2016-01-20 Pekka Janhunen

The electric solar wind sail (E-sail) propellantless propulsion device uses long, charged metallic tethers to tap momentum from the solar wind to produce spacecraft propulsion. If flying through planetary or moon eclipse, the long E-sail…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Pekka Janhunen , Petri Toivanen

We analyse the potential of the electric solar wind sail for solar system space missions. Applications studied include fly-by missions to terrestrial planets (Venus, Mars and Phobos, Mercury) and asteroids, missions based on non-Keplerian…

Instrumentation and Methods for Astrophysics · Physics 2014-04-24 Pekka Janhunen , Petri Toivanen , Jouni Envall , Sini Merikallio , Giuditta Montesanti , Jose Gonzalez del Amo , Urmas Kvell , Mart Noorma , Silver Lätt

The electric solar wind sail produces thrust by centrifugally spanned high voltage tethers interacting with the solar wind protons. The sail attitude can be controlled and attitude maneuvers are possible by tether voltage modulation…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 Petri Toivanen , Pekka Janhunen , Jouni Envall

The novel propellantless electric solar wind sail concept promises efficient low thrust transportation in the Solar System outside Earth's magnetosphere. Combined with asteroid mining to provide water and synthetic cryogenic rocket fuel in…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Pekka Janhunen , Sini Merikallio , Mark Paton

The Magnetic Sail is a space propulsion system that utilizes the interaction between solar wind particles and an artificial dipole magnetic field generated by a spacecraft's coil to produce thrust without the need for additional plasma or…

Applied Physics · Physics 2023-05-09 Mingwei Xu , Ronghui Quan , Yunjia Yao

The shape of a rotating electric solar wind sail under the centrifugal force and solar wind dynamic pressure is modeled to address the sail attitude maintenance and thrust vectoring. The sail rig assumes centrifugally stretched main tethers…

Instrumentation and Methods for Astrophysics · Physics 2017-03-28 Petri Toivanen , Pekka Janhunen

Recent successes in the deployment of sails in space have reduced the risk associated with solar sailing missions. The attitude control requirements for a solar sailing mission is low with only slow attitude maneuvers needed to maintain a…

Space Physics · Physics 2019-11-19 Hendrik Willem Jordaan , Willem Herman Steyn

A charged tether or wire experiences Coulomb drag when inserted into flowing plasma. In the solar wind the Coulomb drag can be utilised as efficient propellantless interplanetary propulsion as the electric solar wind sail (electric sail,…

Instrumentation and Methods for Astrophysics · Physics 2014-09-30 Pekka Janhunen

The scientific mission of ESTCube-1, launched in May 2013, is to measure the Electric solar wind sail (E-sail) force in orbit. The experiment is planned to push forward the development of E-sail, a propulsion method recently invented at the…

We propose a spin cell based on photon-assisted tunneling through a conventional semiconductor barrier. The Dresselhaus spin-orbit interaction is included to break the spin rotation symmetry. Due to the in-plane electric field induced…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 B. H. Wu , Kang-Hun Ahn

Propellantless propulsion refers to methods of space travel that do not require onboard propellant, instead relying on natural forces or external energy sources. In this paper, I review different approaches that have been explored and…

Popular Physics · Physics 2026-01-21 Roman Ya. Kezerashvili

Electric sails are propulsion systems that generate momentum via the deflection of stellar wind particles through electric forces. Here, we investigate the relative merits of electric sails and light sails driven by stellar radiation…

Space Physics · Physics 2019-12-20 Manasvi Lingam , Abraham Loeb

There is a desire to observe the sun's poles to further deepen our understanding of solar activity. However, because of the large speeds needed to perform out-of-ecliptic plane maneuvers, chemical and electric rocket propulsion mechanisms…

Instrumentation and Methods for Astrophysics · Physics 2023-09-13 Jeric V. Garrido , Jose Perico H. Esguerra

Microwave propelled sails are a new class of spacecraft using photon acceleration. It is the only method of interstellar flight that has no physics issues. Laboratory demonstrations of basic features of beam-driven propulsion, flight,…

Instrumentation and Methods for Astrophysics · Physics 2012-05-17 James Benford

The Solar sail is a large thin film used to collect solar light pressure for moving of space apparatus. Unfortunately, the solar radiation pressure is very small about 9 mkN/sq.m at Earth's orbit. However, the light force significantly…

General Physics · Physics 2007-05-23 A. Bolonkin
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