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undergraduate thesis
Pasivni sustavi zaštite reaktorske zgrade u nuklearnoj elektrani
Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing, 2017. urn:nbn:hr:168:323509
Vidić, Igor
University of Zagreb
Faculty of Electrical Engineering and Computing

Institutional repository: FER Repository

Cite this document

Vidić, I. (2017). Pasivni sustavi zaštite reaktorske zgrade u nuklearnoj elektrani (Undergraduate thesis). Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing. Retrieved from https://urn.nsk.hr/urn:nbn:hr:168:323509

Vidić, Igor. "Pasivni sustavi zaštite reaktorske zgrade u nuklearnoj elektrani." Undergraduate thesis, University of Zagreb, Faculty of Electrical Engineering and Computing, 2017. https://urn.nsk.hr/urn:nbn:hr:168:323509

Vidić, Igor. "Pasivni sustavi zaštite reaktorske zgrade u nuklearnoj elektrani." Undergraduate thesis, University of Zagreb, Faculty of Electrical Engineering and Computing, 2017. https://urn.nsk.hr/urn:nbn:hr:168:323509

Vidić, I. (2017). 'Pasivni sustavi zaštite reaktorske zgrade u nuklearnoj elektrani', Undergraduate thesis, University of Zagreb, Faculty of Electrical Engineering and Computing, accessed 18 November 2024, https://urn.nsk.hr/urn:nbn:hr:168:323509

Vidić I. Pasivni sustavi zaštite reaktorske zgrade u nuklearnoj elektrani [Undergraduate thesis]. Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing; 2017 [cited 2024 November 18] Available at: https://urn.nsk.hr/urn:nbn:hr:168:323509

I. Vidić, "Pasivni sustavi zaštite reaktorske zgrade u nuklearnoj elektrani", Undergraduate thesis, University of Zagreb, Faculty of Electrical Engineering and Computing, Zagreb, 2017. Available at: https://urn.nsk.hr/urn:nbn:hr:168:323509

Metadata
TitlePasivni sustavi zaštite reaktorske zgrade u nuklearnoj elektrani
Title (english)Passive safety containment systems in the nuclear power plant
AuthorIgor Vidić
MentorSiniša Šadek (mentor)
Committee memberSiniša Šadek (predsjednik povjerenstva)
Committee memberDavor Grgić (član povjerenstva)
Committee memberŠtefica Vlahović (član povjerenstva)
GranterUniversity of Zagreb
Faculty of Electrical Engineering and Computing
Zagreb
Defense date and country2017-07-10, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Electrical Engineering
Abstract
Porast tlaka za vrijeme teške nesreće predstavlja jedan od glavnih problema po pitanju sigurnosti nuklearne elektrane. Sustavi za odzračivanje kontejnmenta i kontolirano ispuštanje plinova kroz filtre ( eng.conteinment filter venting system CFVS) osmišljeni su upravo s ciljem rjšavanja tog gorućeg problema. U uvjetima teške nesreće najučinkovitijim su se pokazali pasivni sustavi (PCFV) koji za svoj rad ne trebaju električnu energiju, intervenciju operatera kao ni pomoćne sustave. Pokreću se samostalno, pucanjem rupture diska na određenom tlaku, a glavna zadaća uz snižavanje tlaka im je filtiranje zraka prije otpusta u atmosferu. Postoje različite metode filtracije, čija je premjerna zadaća eliminacija organskog i elementarnog joda te aerosola. Kako bi se osigurala iznimna efikasnost filtriranja, postupak se provodi u više koraka. Rapidan porast tlaka mogu izazvati eksplozije smjese plinova poput vodika i ugljičnog monoksida, pa je jedan od ključnih postupaka pri očuvanju integriteta kontejnmneta zadržavanje njihove koncentracije na niskoj razini. To se postiže pasivnim autokatalitičkim rekombinatorima (PAR) koji kemijskom reakcijom između vodika / ugljičnog monoksida i kisika oslobađaju toplinu uz nastanak vodene pare.
Abstract (english)
Pressure increas during severe accidents is one of the major problems of nuclear power plant safety. Containment filter venting systems are designed in order to deal with such issue by reducng pressure build-up in containment. In severe accidents conditions, passive containment filtered venting systems (PCFV) have been shown as the most effective, while they have no need for electrical power, operator intervention or any other support system. They are activated independently by bursting rupture disc if containment pressure reachs certain set point and besides decreasing pressure their main goal is to filter contaminated venting gas flow before its release in the atmosphere. There are few different filter venting sytems whose main purpose is to retain radioactive aerosols and fission products such as iodine (both elemental and organic) from venting gas. In order to ensure exceptional filtration efficiency, the process is carried out in several steps. Rapid pressurization of containment can be also caused by explosions of gas mixtures such as hydrogen and carbon monoxide, so one of key procedures for preserving containment itegrity is to keep their concentration low. This is achieved by passive autocatalytic recombiner (PAR) which, by chemical reaction between hydrogen / carbon monoxide and oxygen release heat with formation of aerated watter.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:168:323509
Study programmeTitle: Electrical Engineering and Information Technology
Study programme type: university
Study level: undergraduate
Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka elektrotehnike i informacijske tehnologije (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka elektrotehnike i informacijske tehnologije)
Type of resourceText
File originBorn digital
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Created on2019-03-14 01:54:10