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Statements

Subject Item
n2:RIV%2F68407700%3A21220%2F07%3A02134449%21RIV08-MSM-21220___
rdf:type
n3:Vysledek skos:Concept
dcterms:description
V příspěvku je uveden stav realizace nové ultralehké pohonné jednotky, určené pro letouny s nízkou hmotností. Základem jednotky je tak zvaný %22cold jet%22, kde je tah vyvozován ventilátorem, poháněným vysokovýkonným pístovým motorem. Nízké hmotnosti jednotky je dosaženo použitím kompozitů jako hlavních konstrukčních materiálů. Aerodynamika jednotky byla optimalizována na maximální účinnost a příznivá rozložení parametrů proudu. Zvláštní pozornost byla věnována řešení problémů instalace motoru, jeho chlazení a celkovému dynamickému chování náhonu ventilátoru. The paper presents the state of the realization of a new ultra-lightweight propulsion unit designed for propelling light aircrafts. The unit concept is based on so called cold jet propulsion principle with a thrust of the unit produced by a ducted fan driven by a high speed high power piston engine. The low weight of the system is assured by a dominant use of composite materials. The aerodynamic design of the propulsion system was optimized to provide high efficiency and required distribution of flow parameters. Special attention was paid to solve problems of the engine installation, its cooling and also of the complex dynamic behavior of the fan drive system. The paper presents the state of the realization of a new ultra-lightweight propulsion unit designed for propelling light aircrafts. The unit concept is based on so called cold jet propulsion principle with a thrust of the unit produced by a ducted fan driven by a high speed high power piston engine. The low weight of the system is assured by a dominant use of composite materials. The aerodynamic design of the propulsion system was optimized to provide high efficiency and required distribution of flow parameters. Special attention was paid to solve problems of the engine installation, its cooling and also of the complex dynamic behavior of the fan drive system.
dcterms:title
Ultra Lightweight Ducted Fan Propulsion Unit For Light Aircraft Ultra Lightweight Ducted Fan Propulsion Unit For Light Aircraft Ultralehká pohonná ventilátorová jednotka
skos:prefLabel
Ultralehká pohonná ventilátorová jednotka Ultra Lightweight Ducted Fan Propulsion Unit For Light Aircraft Ultra Lightweight Ducted Fan Propulsion Unit For Light Aircraft
skos:notation
RIV/68407700:21220/07:02134449!RIV08-MSM-21220___
n4:strany
Nečíslováno
n4:aktivita
n18:P
n4:aktivity
P(1M0501)
n4:dodaniDat
n9:2008
n4:domaciTvurceVysledku
n14:5514495 n14:1041754
n4:druhVysledku
n5:D
n4:duvernostUdaju
n15:S
n4:entitaPredkladatele
n6:predkladatel
n4:idSjednocenehoVysledku
456478
n4:idVysledku
RIV/68407700:21220/07:02134449
n4:jazykVysledku
n20:eng
n4:klicovaSlova
cold jet; ducted fan; light airraft; propulsion
n4:klicoveSlovo
n12:cold%20jet n12:light%20airraft n12:propulsion n12:ducted%20fan
n4:kontrolniKodProRIV
[18280E86B2E0]
n4:mistoKonaniAkce
Peking
n4:mistoVydani
Reston
n4:nazevZdroje
Proceedings, XVIII International Symposium on Air Breathing Engines (ISABE)
n4:obor
n16:JU
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:projekt
n11:1M0501
n4:rokUplatneniVysledku
n9:2007
n4:tvurceVysledku
Hanus, Daniel Čenský, Tomáš
n4:typAkce
n19:WRD
n4:zahajeniAkce
2007-09-01+02:00
s:numberOfPages
9
n8:hasPublisher
American Institute of Aeronautics and Astronautics
n13:isbn
1-56347-931-1
n21:organizacniJednotka
21220