Advances in Solar Sailing by Malcolm Macdonald

By Malcolm Macdonald

This publication offers the simplest contributions of the the 3rd foreign Symposium on sunlight crusing Glasgow, eleven – thirteen June 2013. it's a quick snap-shot of the state-of-the artwork of sunlight sail know-how in 2013 around the globe, shooting flight courses, expertise improvement courses and new know-how and alertness thoughts. The ebook comprises contributions from the entire prime figures within the box, together with NASA, JAXA, ESA & DLR in addition to college and specialists. It for this reason presents a distinct reference element for the sun sail expertise. The e-book additionally contains key contributions from the potential clients of sunlight sail expertise, as a way to permit the know-how to be thought of by way of the person during this certain context.

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Mal Operation n B. Norm After the initial opeeration, the no The pphoton accelerration was ormal operatioon was condu ucted for full success. s confirmedd in the coursse of determin ning its precisee orbit after itts sail deploym ment. Figure 118 shows the difference accelerration) and observed value (result of rangge rate measurrement) of between ccalculated vallue (without photon p ( IKAROS S's line-of-sighht velocity on n June 9, 20 10. For abou ut one hour around 9:36, w when the seccond stage deploymeent was in opeeration, data was w lost; howeever, you can clearly see that the graph liine starts incliining after the seconnd-stage deplloyment comp pared to the flat line prior to the eveent.

V. Conclusion This paper presents summary of the development and operation of IKAROS. IKAROS was launched on May 21, 2010. In the initial operation, it deployed the large membrane using the centrifugal force. The power generation by thin film solar cells was confirmed after the deployment. In the normal operation, the photon propulsion was verified and the guidance, navigation and control by solar sail were demonstrated. IKAROS flew by Venus at the beginning of December 2010. In the extended operation, the slow spin and reverse spin missions were performed to observe the deformation of the sail under low centrifugal force environment and to enhance the knowledge about the effect of stiffness of membrane against the solar radiation pressure.

8, in orderr to reflect sunlight m more efficienttly. In additio on, the film is reinforced in n such a way as to prevent it from splittiing all the way if it''s ripped. If itt is ripped, th slightly, but it can still continuee its space he solar sail p erformance declines d travels. Thin film m solar cells [66]: a-Si (amorrphous siliconn) solar cells as a shown in Fig. F 9 are attacched to certaiin areas of the membbrane. They generate almosst 300 W. Thee area ratio is 5 %. Reflection control deviice [7]: Orbit control requirres changing the t angle (faciing direction) of the membrrane to the sun.

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