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Solar sail near the Sun: Point-like and extended models of radiation source
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
2011 (English)In: Advances in Space Research, ISSN 0273-1177, Vol. 48, no 11, 1717-1739 p.Article in journal (Refereed) Published
Abstract [en]

Some modifications of solar sail radiation pressure forces on a plate and on a sphere for use in the numerical simulation of 'local-optimal' (or 'instantaneously optimal') trajectories of a spacecraft with a solar sail are suggested. The force model development is chronologically reviewed, including its connection with solar sail surface reflective and thermal properties. The sail surface is considered as partly absorbing, partly reflective (specular and diffuse), partly transparent. Thermal balance is specified because the spacecraft moves from circular Earth orbit to near-Sun regions and thermal limitations on the sail film are taken into account. A spherical sail-balloon can be used in near-Sun regions for scientific research beginning with the solar-synchronous orbit and moving outward from the Sun. The Sun is considered not only as a point-like source of radiation but also as an extended source of radiation which is assumed to be consequently as a point-like source of radiation, a uniformly bright flat solar disc and uniformly bright solar sphere. (C) 2011 COSPAR. Published by Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
Oxford: Pergamon Press, 2011. Vol. 48, no 11, 1717-1739 p.
Keyword [en]
Solar sail, Radiation pressure
National Category
Astronomy, Astrophysics and Cosmology Aerospace Engineering Meteorology and Atmospheric Sciences
URN: urn:nbn:se:umu:diva-50407DOI: 10.1016/j.asr.2011.04.024ISI: 000296680100005OAI: diva2:464286
Available from: 2011-12-13 Created: 2011-12-08 Last updated: 2011-12-13Bibliographically approved

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Koblik, V.
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