
paul bevilakwa

paul bevilakwa heey californiatil lockheed martin yethe vimanchalan abhiyanta aahet. 1990 madhye, tyane sahkari scunk works abhiyanta paul shumpert yanchyasobat sanyukt strike fayatara eff-35bisathi lift pankhacha shodh lavala.
2005 madhye, bevilkwa yanchi tyanchya saiddhantik yogdanasathi, vyavharik navkalpanansathi aanee ubhya uddan aanee landing vimananmadhil vadhiv parichalan upayuktatesathi rashtriy abhiyantriki akadamiche sadasya mhanoon nivad jhaali.
jeevan aanee karkird.
paul bevilakwane 1973 madhye purdue vidyapithat aeronautics aanee astronauticsmadhye (vishayah ashant jaage) doctorate midavali. teey rait-patterson havai dall talavar (doubleupy-afb) havai dalache leftnunt dekhil hote, jithe tyanni 1971 madhye vyavsayik kaam suru kele. teey doubleupy-afb yetheel urja rupantaran prayogshaleche upasanchalak jhaale, jeey jett shodhak hans wonn ohain yanni vyavasthapit kele. 1975 madhye, rockwell internationalchya navie aircraft plantmadhye pragat karyakramanche vyavasthapak honyasathi paulane havai dall sodale. 1985 madhye, vyavasayasathi eka naveen marg shodhanyacha prayatna karat, lockheed yethe tyanchi mukhya vimanchalan shastradnya mhanoon niyukti karnyat aalee.
hans wonn ohainne bevilakala ganitshastradnyapeksha abhiyantyasarkha vichar karnyas prerit kele-"shalet mea tukadya halvayala shikalo, aanee hansney mallah buddhibal khelayala shikavale", jaree tyane teey pardubaddal dekhil mhatale hote. ohainne bevilaka dekhil darshavila qee "tyaa tii. ess.-aakrutincha pratyakshat arth kaay aahe".
doubleu. pii., ohain, bevilakwa aanee itaranni pravahashi sambandhit vividh sankalpanancha tapas keela aanee paytant ghetale, tyapaiki kahee ubhya uddan aanee utaranyashi sambandhit pravah gunak aahet.
liftfancha shodh.
1980 chya dashakat, united states mareen corpsla harrier/aii. vhee.-8bii. peksha adhik veg aanee payload asalele anulamb/lahan uddan aanee utaran (vhee/stovel) viman havey hote.
bevilakwa 1986 madhye lockheed skankchya kamansathi kaam karat hota, jevha darpa aanee tatsam british agencyne estaval navacha eka karyakram suru keela aanee usmchya ichchhenusar, parantu nehamichya kathor tantrik aavashyaktanshivay, gupt supersonic stowell plainsathi sankalpana vikasit karnyasathi 9 mahinyancha karar jaaree keela.
supersonic uddan aanee stowell ekatra karnyache aavhan heey aahe qee viman uchalanyaitake shaktishali engine heey supersonic honyasathi itake rund asel, jase harrierne dakhavale aahe. havecha jaast pravah asalelya lahan enginechi garaj hotee, parantu teey ashakya vatat hote. samanya vidyut seeje 805-23 eft-turbophan aanee rolls-royce tandam-fanpasoon prerit, eka yogya pranali duheri thrust pranali asalyache disate, jyat jett enginesathi samore lift vector aanee mage eka firnara nojal aahe, jeey ekmekanna pratibantuman karate.
anek paryayancha shodh ghenyat aala. eka mahina shillak asatana aanee konatahi parinam naan jhalyane, bevilaguane paristhitivar punha ekada najar takali. teen ghatak spasht hoteh
bipass havecha vapar karane haah jore vadhavanyacha nehmicha marg aahe, parantu jevha havecha pravah qamee hoto tevha dabahi qamee hoto, jyamule apayashachya jokhamivar enginecha veg vadhato. liftcha pankha firvoon atirikt engine shakticha changla vapar keela jaau shakato heey jevha tyala kalale tevha yaa spasht truticha achanak fayda jhaala. "majhya dokyat sanganak program karnyasathi aath mahine vicharmanthan jhaale aanee kalpana suchavanyasathi daha sekand lagale."
yaa upayamadhye turbinedware garam jett sphotatoon urja kadhoon kahee jett sphotanche ubhya havechya pravahat rupantar karane samavisht hote, jeey pankhyala khalee nirdeshit kareet asalelya shaftla valavate, jyamule aaveg vadhato aanee asha prakare odh naan vadhavta uchalato. aadvya aanee ubhya liftmadhil sankraman tantotant niyantrit karane aavashyak aahe aanee vimanache niyantran rakhanyasathi done lift stambh kaljipurvak santulit karane aavashyak aahe.
hii pranali turbofanpramanech kaam karate, jyat atirikt bipass pankha halavala jaato aanee 90 anshanni jhukalela asato, jyamule thund jaloon naan rahileli havah aadvyaivaji ubhya dishene halavata yete, kinwa eka turbine helicopter jyacha rotter sankuchit aanee aavrut asato. haah parinam bevilakwa (kagadpatranche #list pahaa) aanee itaranni tapasalelya mageel pravah gunak sankalpanansarkhach aahe (jaree paddhati bhinn aahet), 1.5:1 chaa lift/thrust-gunottar sadhya karat aahe jithe mageel yashasvi viman 1:1 paryant maryadit hote.
bevilakwa haah pranodan abhiyanta nahee aanee tyala sankalpanechya siddhantanchi padtalani karnyasathi pranodan, sahitya aanee itar vishesh kshetrantil vividh lockheed tadnyanchi madat midali, jyanna nantar 1990-93 madhye paytant denyat aale.
darpa aanee sagari dall yaa doghannihi yaa sankalpanela manyata dilee aanee tethoon, teey calf aanee jast sarkhya vividh sanrakshn karyakramandware sanyukt strike ladhau karyakramamadhye aanee ex-35bii aanee eff-35biparyant vikasit jhaale. 1992 madhye havai dalala heey sankalpaneche viman liftfanshivay paramparik viman mhanoon upayukt tharoo shakate heey patvoon denyat bevilakwa hii eka pramukh vyakti hotee. jevha american naudalahi jahajavar aale, tevha purvichya sankalpanechya shodh nishkarshannusar, vegvegalya anuprayogansah samaan vimananchya jeey. ess. eff. sankalpanesathi rasta mokala karnyat aala.
eff135 engine aanee pranalicha vyavharik vikas aanee chachani pratt andd whitney, allison engine company, nassa, rolls-royce aanee itaranni kelee.
jevha ex-35bii dhavpattichya 150 footanvarun uddan karat supersonic jhaale aanee 20 julai 2001 roji ekach uddanat anulambapane utarale, tevha 200bii dollarcha jsf karar lmla sopavanyachya mukhya ghatakanpaiki eka asalyache mhatale jaate-hii kamgiri keval ex-35beaneeii kelee hotee aanee keval liftfan sankalpanemule.
jeey. ess. eff. sanghala karyapranalisathi 2001 saalee collier chashak denyat aala aanee bevilakala paul eae. denyat aala. 2004 madhye houter memorial puraskar (american helicopter society).