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Reliability-based design optimization of pump penetration shell accounting for material and geometric non-linearity
ID Velayudhan, Gautham (Avtor), ID Venugopal, Prabhu Raja (Avtor), ID Gnanasigamony Thankareathenam, Ebron Shaji (Avtor), ID Selvakumar, Mohanraj (Avtor), ID Pudukarai Ramaswamy, Thyla (Avtor)

URLURL - Izvorni URL, za dostop obiščite https://www.sv-jme.eu/sl/article/reliability-based-design-optimization-of-pump-penetration-shell-accounting-for-material-and-geometric-non-linearity/ Povezava se odpre v novem oknu
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Izvleček
The roof slab of a nuclear reactor supports all the components and sub-systems. It needs to resist the seismic loads in accordance with load-carrying criteria. The static stress analysis of the reactor roof slab reveals that high-stress concentration was present in the pump penetration shell (PPS) that supports the primary sodium pump. This paper presents an assessment of collapse load and the optimization of the pump penetration shell through the reliability approach, accounting for material non-linearity, geometrical non-linearity and randomness in loading. In addition, the load-carrying capacity of PPS was determined considering two different materials: IS2062 and A48P2. The design of experiments (DoE) was formulated considering the flange angle and flange thickness as parameters. An empirical model for load function was formulated from the results of the collapse load obtained for various combinations of design parameters. The above function was used to perform the reliability-based geometry optimization of the PPS of the roof slab.

Jezik:Angleški jezik
Ključne besede:nuclear reactors, buckling, optimization, reliability, limit load, genetic algorithm
Vrsta gradiva:Članek v reviji (dk_c)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2021
Status objave pri reviji:Objavljeno
Verzija članka:Založnikova različica članka
Št. strani:Str. 331-340
Številčenje:Vol. 67, no. 6
PID:20.500.12556/RUL-128366 Povezava se odpre v novem oknu
UDK:621.039.5
ISSN pri članku:0039-2480
DOI:10.5545/sv-jme.2021.7104A Povezava se odpre v novem oknu
COBISS.SI-ID:69856771 Povezava se odpre v novem oknu
Datum objave v RUL:09.07.2021
Število ogledov:396
Število prenosov:113
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Strojniški vestnik
Skrajšan naslov:Stroj. vestn.
Založnik:Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.]
ISSN:0039-2480
COBISS.SI-ID:762116 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Slovenski jezik
Naslov:Optimizacija konstrukcije prebojnega skoznjika črpalke za zanesljivost ob upoštevanju materiala in geometrijskih nelinearnosti
Ključne besede:jedrski reaktorji, uklon, optimizacija, zanesljivost, mejna obremenitev, genetski algoritem

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