Analiza rasipanja puščanog zrna velikog dometa

master's thesis

• Author: Tomislav Kušec
• Mentor: milan vrdoljak (mentor)
• Granter: University of Zagreb; (Croatian Defence Academy "Dr. Franjo Tuđman"); Zagreb
• Defense date and country: 2021-07-14, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Interdisciplinary Technical Sciences
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Aviation, Rocket and Space Technology

Abstract

Ovaj rad proučava let konstruiranog puščanog zrna velikog kalibra kroz računalnu simulaciju i to
na način da na početku samoga rada se daje konstrukcijski i aerodinamički opis zrna. Na temelju
balističkih jednadžbi kreira se program u programskom jeziku u koji se unose specifični
parametri samoga zrna i okoline kroz koju se zrno kreće. Pomoću simulacije utvrđuje se osnovni
model leta zrna te njegove karakteristike. Nadalje, simulacijom se vrši analiza utjecaja vjetra na
let zrna i to na način da se prvo vrši analiza promijene brzine vjetra pri istome kutu, a nakon toga
se analizira promjena kuta vjetra pri stalnoj brzini. Na kraju se analizira utjecaj parametara
rasipanja pogodaka na koje se ne može utjecati, a to su rasipanje početne brzine te poprečnih
komponenata kutne brzine.

Abstract (english)

This paper studies the flight of a constructed large-caliber rifle bullet through a computer
simulation in such a way that at the beginning of the work, a structural and aerodynamic
description of the bullet is given. Based on the ballistic equations, a program is created in a
programming language in which specific parameters of the bullet itself and the environment
through which the bullet moves are entered. The basic model of bullet flight and its
characteristics are determined by simulation. Furthermore, the simulation analyzes the influence
of wind on the bullet flight by first analyzing the change in wind velocity at the same angle, and
then analyzing the change in wind angle at a constant velocity. Finally, the influence of hitting
scattering parameters that cannot be influenced is analyzed, that are the scattering of the initial
velocity and the lateral components of the angular velocity.

• Keywords: puščano zrno; simulacija; balistika; vjetar; rasipanje; početna brzina; kutna brzina
• Keywords (english): rifle bullet; simulation; ballistics; wind; scattering; initial velocity; angular velocity
• Language: croatian
• URN:NBN: urn:nbn:hr:249:715758
• Study programme: Title: Military Engineering; Study programme type: university; Study level: graduate; Academic / professional title: MAGISTAR/MAGISTRA INŽENJER/INŽENJERKA VOJNOG INŽENJERSTVA (MAGISTAR/MAGISTRA INŽENJER/INŽENJERKA VOJNOG INŽENJERSTVA)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2021-12-30 13:38:29