Errymath: plasma engine

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    Photo of transient atmospheric nanosecond pulse discharges for internal MPC excitation. 
      
                iopscience.iop.org  <br />
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<div class="article__summary summary ">
A major new breakthrough in jet propulsion technology could 
revolutionize the aerospace industry, paving the way for plasma jet 
engines that could carry a craft to the edge of space using only air and
 electricity. </div>
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Berkant
 Göksel, the lead researcher in a new study by the Technical University 
of Berlin, says his team have <a href="https://www.newscientist.com/article/mg23431264-500-plasma-jet-engines-that-could-take-you-from-the-ground-to-space/" target="_blank">successfully completed tests on plasma engines that could take future aircrafts to altitudes of 30 miles (50km) and beyond</a>.<br />
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<span class="read-more__footer"></span> The challenge was to develop an air-breathing plasma propulsion engine 
that could be used for take-off as well as high-altitude flying.</div>
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<a href="https://www.newscientist.com/article/mg23431264-500-plasma-jet-engines-that-could-take-you-from-the-ground-to-space/?utm_term=Autofeed&utm_campaign=Echobox&utm_medium=Social&cmpid=SOC%7CNSNS%7C2017-Echobox&utm_source=Facebook#link_time=1495056249" target="blank">We
 are the first to produce fast and powerful plasma jets at ground 
level,” says Göksel. “These jets of plasma can reach speeds of up to 20 
kilometres a second.</a><br />
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The team used a rapid stream of nanosecond-long electric discharges 
to fire up the propulsion mixture. A similar technique is used in pulse 
detonation combustion engines, making them more efficient than standard 
fuel-powered engines.<br />
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* Plasma propulsion was proved on an airship in 2005<br />
* this is a pathway to far more powerful and effective plasma propulsion<br />
* this could enable propulsion beyond the height of existing planes<br />
* nearterm it could be for routine airships at 50-100 km<br />
* it could eventually be used to get to orbit and transform aviation and space access</div>
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While studies into plasma jet engines has largely focused on 
their ability to manoeuvre small satellites in the vacuum of space, 
Göksel told the<a href="https://www.newscientist.com/article/mg23431264-500-plasma-jet-engines-that-could-take-you-from-the-ground-to-space/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&campaign_id=RSS%7CNSNS-"> New Scientist</a> that his research concentrated on testing the engine in a normal atmosphere.<br />
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It’s the first time anyone has applied pulse detonation to plasma 
thrusters. Jason Cassibry at the University of Alabama in Huntsville is 
impressed. “It could greatly extend the range of any aircraft and lower 
the operational cost,” he says.<br />
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But there are several hurdles to overcome before the technology can 
propel an actual plane. For a start, the team tested mini thrusters 80 
millimetres long, and a commercial airliner would need some 10,000 of 
them to fly, which makes the current design too complex for aircraft of 
that size. Göksel’s team plans to target smaller planes and airships for
 now. Between 100 and 1000 thrusters would be enough for a small plane, 
which the team thinks is feasible.<br />
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<img alt="" class="alignnone size-medium wp-image-133244" height="164" src="http://www.nextbigfuture.com/wp-content/uploads/2017/05/2da9fa211c6b4e07e43151994090685f-300x123.png?x71037" width="400" /> <br />
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<img alt="" class="alignnone size-medium wp-image-133245" height="245" src="http://www.nextbigfuture.com/wp-content/uploads/2017/05/9a33db93a73b08f4e572ef6c47c1f8eb-300x184.png?x71037" width="400" /><br />
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A real flight demonstration is the next milestone goal for the project.<br />
The
 team used 80mm-long mini-thrusters in their experiments – 10,000 of 
which would be needed to support a commercial airliner. However, Göksel 
believes the team could test their work on a small plane using between 
100 and 1,000 thrusters.<br />
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<img alt="" class="alignnone size-medium wp-image-133243" height="171" src="http://www.nextbigfuture.com/wp-content/uploads/2017/05/8596b8f6f2f061e3e75885d5ee60845c-300x129.png?x71037" width="400" /><br />
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Plans are underway to develop a mobile power generator for use in the first flight demonstration onboard the <a href="https://www.festo.com/net/SupportPortal/Files/344798/b_IONIC_Airfish_en.pdf">b-Ionic Airfish</a>. In 2005, the craft became the world’s first airship to be propelled by plasma engines.<br />
 It
 is hoped this experiment helps overcome the project’s major obstacle, 
which is the huge amount of electricity required to generate and sustain
 the plasma.<br />
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<img alt="Plasma jet engine breakthrough heralds beginning of new era in space travel - study" class="media__item " height="355" src="https://cdn.rt.com/files/2017.05/original/592029ecc36188064d8b4597.jpg" width="640" /><br />
b-Ionic Airfish.
iopscience.iop.org<br />
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<i>“An
 array of thrusters would require a small electrical power plant, which 
would be impossible to mount on an aircraft with today’s technology,”</i>  Dan Lev from the Technion-Israel Institute of Technology told the New Scientist.<br />
Göksel is hopeful of working around this with solar panels or potentially beaming power wirelessly to the engines.<br />
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<img alt="© SolarStratos" class="read-more__cover" src="https://img.rt.com/files/2017.05/thumbnail/590ca6d9c46188e57e8b45b4.jpg" /><br />
<span class="read-more__footer">Sun-powered ‘space plane’ </span><br />
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Plasma jet engine breakthrough heralds beginning of new era in space travel

Photo of transient atmospheric nanosecond pulse discharges for internal MPC excitation. iopscience.iop.org ...

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Plasma jet engine breakthrough heralds beginning of new era in space travel

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