Određivanje utjecaja pojave vrtložnog prstena na let helikoptera Bell 206 B

master's thesis

• Title (english): Determining the influence of a vortex ring on helicopter flight
• Author: Dijana Žabić
• Mentor: Doris Novak (mentor)
• Committee member: Tomislav Radišić (predsjednik povjerenstva)
• Committee member: Tino Bucak (član povjerenstva)
• Committee member: Petar Andraši (član povjerenstva)
• Granter: University of Zagreb; Faculty of Transport and Traffic Sciences; (Division of Aeronautics); (Department of Aeronautics); Zagreb
• Defense date and country: 2024-05-16, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Traffic and Transport Technology; Air Traffic

Abstract

Ovaj rad govori o važnosti obuke pilota helikoptera pri osposobljavanju za vršenje
manevra vrtložnog prstena. Navedeni su detaljni opisi što se zapravo događa sa samom
letjelicom pri formiranju iste i kako uspostaviti ponovnu kontrolu. Izvršeno je testiranje metoda
vađenja iz preduvjeta pri različitim brzinama uvođenja koje su zabilježene GoPro kamerom
tijekom testnog leta, koje je detaljno opisano u radu. Također su spomenute i nesreće koje su
nastale posljednjih godina upravo zbog nedovoljno poznavanja ovog fenomena te kako će i u
kojim situacijama utjecati na helikopter.

Abstract (english)

This thesis describes the importance of helicopter vortex ring state formation and
recovery training. There are detailed descriptions of what actually happens to the aircraft during
formation of the state and how to re-establish control. Testing of recovery methods from
prerequisites was performed at different initial speeds, this was recorded using a GoPro camera.
This test flight is described in detail in the thesis. Accidents that have occurred in recent years
due to insufficient knowledge of this phenomenon, how and in which situations it will affect
the helicopter were also analyzed.

• Keywords: vrtložni prsten; metode vađenja iz vrtložnog prstena; obuka pilota; helikopter Bell 206B
• Keywords (english): Vortex ring state; recovery methods; pilot training; helicopter Bell 206B
• Language: croatian
• URN:NBN: urn:nbn:hr:119:545527
• Study programme: Title: Aeronautics; Study programme type: university; Study level: graduate; Academic / professional title: sveučilišni/a magistar/magistra inženjer/inženjerka aeronautike (sveučilišni/a magistar/magistra inženjer/inženjerka aeronautike)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2024-12-09 13:16:18