dc.contributor.advisor | Nedić, Novak | |
dc.contributor.other | Mitrović, Časlav | |
dc.contributor.other | Kostić, Ivan | |
dc.contributor.other | Bengin, Aleksandar | |
dc.contributor.other | Šalinić, Slaviša | |
dc.creator | Milenković-Babić, Miodrag | |
dc.date.accessioned | 2021-04-19T09:43:24Z | |
dc.date.available | 2021-04-19T09:43:24Z | |
dc.date.issued | 2021-03-12 | |
dc.identifier.uri | http://eteze.kg.ac.rs/application/showtheses?thesesId=8035 | |
dc.identifier.uri | https://fedorakg.kg.ac.rs/fedora/get/o:1352/bdef:Content/download | |
dc.identifier.uri | https://nardus.mpn.gov.rs/handle/123456789/18255 | |
dc.description | REZIME:
Predmet doktorske disertacije je istraživanje stabilnosti i upravljivosti aviona
LASTA sa posebnim osvrtom na uticaj pogonske grupe sa vučnom elisom razmatranog
jednomotornog niskokrilca.
Činjenica je da teorijske i numeričke metode ne mogu da ponude uvek rezultate
potrebne za donošenje odluke o detaljnom projektovanju u mnogim praktičnim
problemima. Da bi se prevazišao ovaj problem koriste se rezultati aerotunelskih
ispitivanja odgovarajućih modela letelica i letnih ispitivanja.
Najracionalniji pristup u rešavanju skoro svakog aerodinamičkog problema
baziran je na primeni teoretskih rezultata, eksperimentalnih i numeričkih metoda,
kombinovanim na odgovarajući način i dopunjenih iskustvom i znanjem.
Istraživanje u ovoj disertaciji je sprovedeno na osnovu teorijskih metoda
proračuna prisutnih u literaturi dugi niz godina, modifikovanog proračunu
doprinosa vučne sile pogonske grupe sa elisom, aerotunelskim rezultatima i letnim
ispitivanjima.
Dat je i kratak osvrt na u ovom trenutku dostupne podatke o ispitivanjima letelica
putem CFD simulacija kao i primene rezultata aerotunelskih ispitivanja.
Ispitivanja su izvršena kako za zadnju centražu, za koju je pitanje stabilnosti
kritično, tako i za prednju centražu gde se nameće problem upravljivosti, odnosno
mogućnosti da se sa raspoloživim otklonom komande ostvari traženi manevar.
Verifikacija proračunskih rezultata je ostvarena letnim ispitivanjima. Ovi
rezultati su upređeni sa dostupnim rezultatima o avionima istog tipa.
Unapređeni proračun doprinusa vučne sile pogonske grupe sa elisom uzdužnoj
stabilnosti je prezentovane u ovom radu. Ove informacije omogućavaju precizniji
proračun stabilnosti letelice. | sr |
dc.description | ABSTRACT:
Тhe subject of the Ph.D. thesis is an investigation of stability and control of the aircraft
LASTA, with a special interest in propeller thrust force contribution to airplane longitudinal
stability.
It is well known that theoretical and numerical methods cannot provide the results required
for making detailed design decisions in many practical cases. In order to solve this problem
experimental (wind tunnel and flight test) results are necessary.
The most successful approach to solving almost any problem in aerodynamics is based on
using results obtained theoretically, by experimentation, and by numerical methods,
appropriately combined and complemented by experience.
In this thesis research was done on the basis of theoretical calculated methods available in
the literature for many years, modified calculated procedures for propeller thrust force
contribution to the longitudinal stability, wind tunnel test results on aircraft model, and by flight
test.
A short retrospective of the CFD simulation results is given as well as wind tunnel test
results.
The research has been done for the rearward position of the center of gravity for which the
stability of aircraft is critical, and also for the forward position of the center of gravity, for
which control of the aircraft is critical, that is, the ability to obtain the required maneuver with
the available control deflection.
Verification of the research of the theoretical calculated methods was done by flight tests.
Obtained results were compared with those from the worlds’ relevant single-engine tractor
propeller aircraft.
An improved calculation method for estimation of propeller thrust force contribution to
airplane longitudinal stability analysis has been presented. This information should enable more
precise insight into aircraft stability analysis and a better understanding of the physical process
that occurs during maneuver flight. | en |
dc.format | application/pdf | |
dc.language | sr | |
dc.publisher | Универзитет у Крагујевцу, Факултет за машинство и грађевинарство, Краљево | sr |
dc.rights | openAccess | en |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | Универзитет у Крагујевцу | sr |
dc.subject | jednomotorni avion | sr |
dc.subject | single-engine aircraft | en |
dc.subject | longitudinal stability | en |
dc.subject | control | en |
dc.subject | power effects | en |
dc.subject | propeller thrust force effect | en |
dc.subject | neutral point | en |
dc.subject | flight tests | en |
dc.subject | flight mechanics | en |
dc.subject | uzdužna stabilnost | sr |
dc.subject | upravljivost | sr |
dc.subject | uticaj snage motora | sr |
dc.subject | uticaj vučne sile motora | sr |
dc.subject | neutralna tačka | sr |
dc.subject | letna ispitivanja | sr |
dc.subject | mehanika leta | sr |
dc.title | Uzdužna stabilnost i upravljivost jednomotornog niskokrilca pogonjenog elisnom pogonskom grupom | sr |
dc.type | PhD thesis | |
dc.rights.license | BY-NC-ND | |
dcterms.abstract | Недић, Новак; Шалинић, Славиша; Митровић, Часлав; Костић, Иван; Бенгин, Aлександар; Миленковић-Бабић, Миодраг; Уздужна стабилност и управљивост једномоторног нискокрилца погоњеног елисном погонском групом; Уздужна стабилност и управљивост једномоторног нискокрилца погоњеног елисном погонском групом; | |
dc.identifier.fulltext | https://nardus.mpn.gov.rs/bitstream/id/71021/Disertacija.pdf | |
dc.identifier.fulltext | https://nardus.mpn.gov.rs/bitstream/id/71144/IzvestajMilenkovicBabic.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_nardus_18255 | |