Japan developed solar sail powered spacecraft will proceed to Venus – heat pump, solar, photovoltaic – solar energy industry
Get rid of the chemical energy dependence of the rocket has been the dream of space flight around the world, and now Japanese scientists began the first attempt.
Japan Aerospace Exploration Agency (JAXA) 5 18 that morning, was scheduled at 6:44 on the 18th (5:44 GMT) aboard a deep space rocket launch solar sail spacecraft power "in Iraq Carlos "No. (Ikaros), due to poor weather conditions had delayed the launch, the first scheduled for launch next month 21. If all goes well, the shelf to Venus as the destination of the aircraft, will be the first one to use solar sail technology, deep space exploration spacecraft. Related news found in the "New Scientist" online edition.
The launch of operations for "Icarus" was a special motivation and concern: its not the traditional use of fuel-propelled space vehicle, but a rebound in the sun to use solar sails as a sail power photon pressure "space junk."
According to the research team introduced technology based on thin film solar panels are made of 20 meters, "Icarus" was the most critical technology components. The soft and elastic panels, the thickness is less than a human hair. Launched into space, "Icarus" was to start a side length of 14 meters of solar sail, the spacecraft was a short cylinder. Photoelectric conversion coupled with the pressure of photons bounce the sun to provide dual power, to "Icarus" was just a shower can be endless sunshine forward momentum.
JAXA will launch the spacecraft by solar sails to change the angle of rebound in the sun to control photons, "Icarus" was the flight line. According to plan, 41.5 million kilometers from Earth's Venus will be the "Icarus" was the first destination. Such as smooth, JAXA will continue to offer a larger second generation of solar sail spacecraft, destinations, including Jupiter.
Space flight using solar energy as the driving force, has been the aerospace industry and strive to explore one of the areas. In Kepler's time, had already proposed to rely on solar power only the idea of sustained flight of spacecraft. In 2005, the United States and Russia have co-developed a solar sail spacecraft "One Universe", but lost contact with the ground after launch, no trace. NASA was "light sail plan" has been shelved due to various technical problems not before.
Of past tests to start only in the earth orbit around the solar sail, therefore, a cost of 1.5 billion yen of "Icarus" was the first one will be the use of solar sail technology, deep space exploration spacecraft.
From space travel a reality that day on, we have been eager to get rid of dependence on a single rocket, carrying spacecraft to the new power of the human dream of travel horizon. Among them, the use of solar energy solar sail is considered one of the most promising options, and the operation has been possible in recent years. Solar-powered, portable spacecraft can avoid a lot of fuel, and thus more economical than conventional spacecraft, motor range is greater. As long as the sun shines, it will continue to accelerate the flight. As previous attempts have failed, so the "Icarus" was the launch of eye-catching. If successful, it will undoubtedly be a revolution in human space travel.
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