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Une fusée solaire thermique est une fusée … Une fusée solaire thermique est une fusée utilisant une forme de propulsion spatiale qui utilise l'énergie solaire pour chauffer directement une (propulsion héliothermique), et donc ne nécessite pas de générateur électrique comme la plupart des autres formes de propulsion à énergie solaire. Une fusée solaire thermique a juste besoin de porter les moyens de capturer cette énergie, à l'aide de concentrateurs solaires ou de miroirs. Le combustible de propulsion chauffé (hydrogène, le plus efficace ou eau, plus facilement stockable et productible) est éjecté par une tuyère conventionnelle pour fournir une poussée. La force de propulsion est directement lié à la surface de captage et à l'intensité des radiations solaires. et à l'intensité des radiations solaires.
, A solar thermal rocket is a theoretical sp … A solar thermal rocket is a theoretical spacecraft propulsion system that would make use of solar power to directly heat reaction mass, and therefore would not require an electrical generator, like most other forms of solar-powered propulsion do. The rocket would only have to carry the means of capturing solar energy, such as concentrators and mirrors. The heated propellant would be fed through a conventional rocket nozzle to produce thrust. Its engine thrust would be directly related to the surface area of the solar collector and to the local intensity of the solar radiation. In the shorter term, solar thermal propulsion has been proposed both for longer-life, lower-cost, more efficient use of the sun and more-flexible cryogenic upper stage launch vehicles and for on-orbit propellant depots. Solar thermal propulsion is also a good candidate for use in reusable inter-orbital tugs, as it is a high-efficiency low-thrust system that can be refuelled with relative ease. that can be refuelled with relative ease.
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| rdfs:comment |
A solar thermal rocket is a theoretical sp … A solar thermal rocket is a theoretical spacecraft propulsion system that would make use of solar power to directly heat reaction mass, and therefore would not require an electrical generator, like most other forms of solar-powered propulsion do. The rocket would only have to carry the means of capturing solar energy, such as concentrators and mirrors. The heated propellant would be fed through a conventional rocket nozzle to produce thrust. Its engine thrust would be directly related to the surface area of the solar collector and to the local intensity of the solar radiation.he local intensity of the solar radiation.
, Une fusée solaire thermique est une fusée … Une fusée solaire thermique est une fusée utilisant une forme de propulsion spatiale qui utilise l'énergie solaire pour chauffer directement une (propulsion héliothermique), et donc ne nécessite pas de générateur électrique comme la plupart des autres formes de propulsion à énergie solaire.es formes de propulsion à énergie solaire.
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Fusée solaire thermique
, Solar thermal rocket
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