# Analiza ravnotežnog leta zrakoplova primjenom generičkog globalnog aerodinamičkog modela

Franjčić, Antonio (2015) Analiza ravnotežnog leta zrakoplova primjenom generičkog globalnog aerodinamičkog modela. = Analysis of equilibrium aircraft flight using the Generic Global Aerodynamic Model. Undergraduate thesis , Sveučilište u Zagrebu, Fakultet strojarstva i brodogradnje, UNSPECIFIED. Mentor: Vrdoljak, Milan.

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Franjcic_2015_zavrsni_preddiplomski_finalno.pdf - Published Version Jezik dokumenta:Croatian

## Abstract (Croatian)

The goal of this paper is the analysis of the Generic Global Aerodinamic(GGA) model, comparison of the lognitudal GGA model with its linear counterpart, stohastic behaviour of the model, its behaviour in the state of equilibrium flight and analysis of the aircrafts in this paper as material points. In the beginning of the paper there is a brief explanation on the GGA model, where its characteristics are shown and the aircrafts which are included in the model are listed. After that the results of lift, drag and pitch moment are shown with their according deviations, and their deviations from the linear model are shown in a few examples. The second chapter focuses on equilibrium flight of the analyzed aircrafts , their stohastic deviations and the reasonable applications of the model. The third chapter shows the analysis of the studied aircrafts as a material dots. For statistical calculations the programming language MATLAB is used. The studied aircrafts are the DHC-6 "Twin Otter" and the F-16C "Fighting Falcon".

## Abstract

Tema ovog završnog je analiza generičkog globalnog aerodinamičkog(GGA) modela, usporedba uzdužnog GGA modela s linearnim modelom, stohastično ponašanje modela, njegovo ponašanje u određivanju režima ravnotežnog leta te analiza zrakoplova kao materijalne točke uz pomoć GGA metode. U početku se nalazi kratki uvod u GGA model, njegove značajke te na kojim su zrakoplovima provedena mjerenja u svrhu određivanja GGA koeficijenata. Nakon toga prikazani su rezultati uzgona, otpora, momenta propinjanja te njihova odstupanja od linearnog modela za DHC-6. Drugo poglavlje prikazuje određivanje režima ravnotežnog leta za DHC-6 i F-16C, njihova stohastična odstupanja i razumno područje uporabe. Treće poglavlje prikazuje analizu zrakoplova kao materijalne točke za horizontalni let zrakoplova. Za numeričko i statističko izračunavanje koristi se programski paket MATLAB.

Item Type: Thesis (Undergraduate thesis) Ravnotežni let zrakoplova; GGA model; generički globalni aerodinamički model TECHNICAL SCIENCE > Aviation, rocket and space technology > aerospace technology and maintenance 1300 Department of Aeronautical Engineering > 1310 Chair of Aerodynamics 23 Sep 2015 11:26 16 Oct 2015 12:40 http://repozitorij.fsb.hr/id/eprint/4808