Usporedba zaštite tenkova eksplozivno reaktivnim oklopom (ERA) i neeksplozivnim reaktivnim oklopom (NERA)

undergraduate thesis

• Title (english): Comparison of tank protection with Explosive Reactive Armor (ERA) and Non-Explosive Reactive Armor (NERA)
• Author: Josip Čalušić
• Mentor: Zvonko Trzun (mentor)
• Committee member: Ivica Smojver (predsjednik povjerenstva)
• Committee member: Zvonko Trzun (član povjerenstva)
• Committee member: Mario Šipoš (član povjerenstva)
• Granter: University of Zagreb; (Croatian Defence Academy "Dr. Franjo Tuđman"); Zagreb
• Defense date and country: 2024-07-02, Croatia
• Scientific / art field, discipline and subdiscipline: SOCIAL SCIENCES; Security and Defense Science
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Metallurgy

Abstract

Tradicionalni tenkovski oklop, obično izrađen od čelika ili kompozitnih materijala, nudi temeljni sloj zaštite, dok se reaktivni oklop pojavljuje kao rješenje koji je dizajniran da se učinkovitije suprotstavi današnjim naprednijim prijetnjama. Eksplozivni reaktivni oklop (ERA) radi pomoću eksplozivnih elemenata, koje se nalaze u sendviču između oklopnih ploča, koji detoniraju pri udaru. Kroz rad istražuje se mehanizam rada, struktura i učinkovitost ERA-e i NERA-e protiv raznih prijetnji, uključujući kumulativne i kinetičke projektile. Iako ERA pruža znatno veću zaštitu, ima nedostatke kao što su rizik od kolateralne štete i složenost održavanja, te kompleksniji transport. Neeksplozivni reaktivni oklop (NERA) koristi neeksplozivne materijale poput kompozita i metalnih legura. NERA se aktivira mehaničkom deformacijom pri udaru, apsorbirajući i raspršujući energiju projektila, a njene prednosti su: sigurnost, niži troškovi održavanja i transporta, a glavni nedostatak je manja učinkovitost protiv određenih prijetnji. Usporedna analiza ističe prednosti i slabosti ERA-e i NERA-e, a čimbenici koji se razmatraju uključuju učinkovitost zaštite, težinu, veličinu, cijenu i održavanje. ERA općenito nudi vrhunsku zaštitu, ali uz veću operativnu složenost i rizik. Iako je NERA sigurnija i lakša za održavanje, neće pružiti jednaku zaštitu od svih prijetnji u usporedbi sa ERA-om. Rad se zaključuje sažetkom ključne usporedbe ERA-e i NERA-e, te se daju preporuke za odabir odgovarajućih oklopnih sustava na temelju specifičnih operativnih zahtjeva.

Abstract (english)

Traditional tank armour, usually made of steel or composite materials, offers a basic layer of protection, while reactive armor is emerging as a solution designed to more effectively counter today's more advanced threats. Explosive Reactive Armor (ERA) works by using explosive elements, sandwiched between armour plates, that detonate on impact. The paper explores the mechanism of operation, structure and effectiveness of ERA and NERA against a variety of threats, including shaped charged and kinetic missiles. Although ERA provides significantly greater protection, it has disadvantages such as the risk of collateral damage and the complexity of maintenance, and more complex transportation. Non-explosive reactive armor (NERA) uses non-explosive materials such as composites and metal alloys. NERA is activated by mechanical deformation upon impact, absorbing and dispersing projectile energy, and its advantages are: safety, lower maintenance and transportation costs, and the main disadvantage is lower effectiveness against certain threats. A comparative analysis highlights the strengths and weaknesses of ERA and NERA, and factors considered include protection effectiveness, weight, size, cost and maintenance. ERA generally offers superior protection, but with greater operational complexity and risk. Although NERA is more secure and easier to maintain, it will not provide equal protection against all threats compared to ERA. The paper concludes with a summary of the key comparison of ERA and NERA, and recommendations are given for the selection of appropriate armour systems based on specific operational requirements.

• Keywords: tenk; borbena oklopna vozila; oklopna zaštita; reaktivna zaštita; ERA; NERA
• Keywords (english): tank; combat armoured vehicles; armoured protection; reactive protection; ERA; NERA
• Language: croatian
• URN:NBN: urn:nbn:hr:249:056726
• Study programme: Title: Military Engineering; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica inženjer/inženjerka vojnog inženjerstva (sveučilišni/a prvostupnik/ prvostupnica inženjer/inženjerka vojnog inženjerstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2024-10-22 14:54:11