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Pulsd Plasma Thruster Pdf Download

 
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..,Compared,to,other,electric,propulsion,systems,,PPT,is,more,compact,,lightweight,and,robust,while,lower,in,thrust,efficiency.,Some,measures,should,be,taken,to,ameliorate,the,electrothermal,acceleration,at,the,first,stage,and,enhance,the,electromagnetic,acceleration,at,the,second,stage.,ElsevierAbout,ScienceDirectRemote,accessShopping,cartContact,and,supportTerms,and,conditionsPrivacy,policyCookies,are,used,by,this,site.,Schematic,layout,of,a,Pulsed,Plasma,Thruster,.,The,,,energy,,,used,,,in,,,each,,,pulse,,,is,,,stored,,,in,,,a,,,capacitor.[3],,,By,,,varying,,,the,,,time,,,between,,,each,,,capacitor,,,discharge,,,,the,,,thrust,,,and,,,power,,,draw,,,of,,,the,,,PPT,,,can,,,be,,,varied,,,allowing,,,versatile,,,use,,,of,,,the,,,system.[2].,,,The,exhaust,velocity,of,a,PPT,is,of,the,order,of,tens,of,km/s,while,conventional,chemical,propulsion,generates,thermal,velocities,in,the,range,of,2-4.5km/s.,Retrieved,,,5,,,July,,,2013.,,,The,,equation,,for,,the,,change,,in,,velocity,,of,,a,,spacecraft,,is,,given,,by,,the,,rocket,,equation,,as,,follows:.,,

Due,,,to,,,the,,,force,,,of,,,the,,,ablation,,,,the,,,plasma,,,is,,,propelled,,,at,,,low,,,speed,,,between,,,two,,,charged,,,plates,,,(an,,,anode,,,and,,,cathode).,,,Using,,PPTs,,could,,double,,the,,life-span,,of,,these,,small,,satellite,,missions,,without,,significantly,,increasing,,complexity,,or,,cost,,due,,to,,the,,inherent,,simplicity,,and,,relatively,,low,,cost,,nature,,of,,PPTs.[3],,A,,PPT,,was,,flown,,by,,NASA,,in,,November,,,2000,,,as,,a,,flight,,experiment,,on,,the,,Earth,,Observing-1,,spacecraft.,,Cookies,,,are,,,required,,,to,,,use,,,this,,,site.,,,The,,frequency,,of,,pulsing,,is,,normally,,very,,high,,and,,so,,it,,generates,,an,,almost,,continuous,,and,,smooth,,thrust.,,Some,,,methods,,,by,,,modifying,,,design,,,parameters,,,are,,,presented,,,to,,,enhance,,,the,,,accelerating,,,effect.KeywordsPulsed,,,plasma,,,thruster;,,,Thrust;,,,Specific,,,impulse;,,,Thrust,,,efficiencyCorresponding,,,author.,,,Electromagnetic,,acceleration,,contributes,,substantially,,to,,the,,thrust.,,For,,,the,,,purpose,,,of,,,improving,,,thrust,,,efficiency,,,,the,,,relations,,,between,,,the,,,acceleration,,,and,,,electrode,,,gap,,,,electrode,,,width,,,,discharge,,,energy,,,have,,,been,,,discussed.,,,^,,,a,,,b,,,c,,,d,,,e,,,"NASA,,,Glenn,,,Research,,,Center,,,PPT".,,,Contents,,1,,Operation,,2,,Comparison,,to,,chemical,,propulsion,,3,,Advantages,,and,,disadvantages,,4,,Uses,,5,,References,,6,,External,,links,,.,,

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