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Nanoparticles in solar sail materials
Fleury-Frenette, Karl
201061st International Astronautical Congress 2010, IAC 2010
 

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Keywords :
Effective media approximation; Emissive layers; Manufacturing technologies; Polymer foil; Radiation pressure; Radiative process; Re-emission; Reflective layers; Solar sailing; Solar sails; Solar spectrum; Space agency; Thermal balance; Thermal infrared radiations; Thermal regulation; Thin polymers; Absorption spectroscopy; Infrared radiation; Multiphoton processes; Nanoparticles; Polymers; Solar radiation; Solar system; Spacecraft propulsion; Ultraviolet radiation; Spacecraft
Abstract :
[en] Solar sailing is a spacecraft propulsion mean exploiting the radiation pressure of sunlight. This concept is undergoing a regain of interest from the space agencies around the world partly driven by the development of manufacturing technologies. Typically, tens of thousands of square meters of sail materials are required to propel a spacecraft. In its most common proposed embodiment, the sail material is constituted of a thin polymer foil coated with a reflective layer on the front side and eventually an emissive layer on the back side. The photons momentum is transferred to the sail upon reflection and its thermal balance is governed by radiative processes (absorption over the solar spectrum and reemission of thermal infrared radiation). The impact of nanoparticles inclusion in the polymer foil on the sail performance will be evaluated for operation in the inner solar system. The aspects of passive thermal regulation and resistance of the polymer to UV radiation will be addressed within the framework of optical calculations based on effective media approximations. Copyright ©2010 by the International Astronautical Federation. All rights reserved.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Fleury-Frenette, Karl ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Language :
English
Title :
Nanoparticles in solar sail materials
Publication date :
2010
Event name :
61st International Astronautical Congress 2010, IAC 2010
Event date :
27 September 2010 through 1 October 2010
Audience :
International
Commentary :
85176 9781617823688
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since 10 July 2015

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