Приказ основних података о документу
Određivanje otpora zahvatanja uglja kod pretovarnih mostova sa elevatorima
Determination of resistances to coal reclaiming at bridge-type stacker-reclaimer with bucket chain booms
dc.creator | Bošnjak, Srđan | |
dc.creator | Gašić, Vlada | |
dc.creator | Petković, Zoran D. | |
dc.date.accessioned | 2022-09-19T15:51:07Z | |
dc.date.available | 2022-09-19T15:51:07Z | |
dc.date.issued | 2005 | |
dc.identifier.issn | 1451-2092 | |
dc.identifier.uri | https://machinery.mas.bg.ac.rs/handle/123456789/543 | |
dc.description.abstract | Jednu od osnovnih etapa projektovanja pretovarnih mostova sa elevatorima predstavlja identifikacija spoljašnjeg opterećenja izazvanog otporom kopanja. Ono je po svojoj prirodi dinamičkog, i pri tom, stohastičkog karaktera. U radu je izložen originalni postupak određivanja pomenutog opterećenja, koji, uz razvijenu softversku podršku, omogućava da se brzo, i dovoljno tačno, odrede njegove relevantne dinamičke i stohastičke karakteristike. Znatno veća tačnost, koja uz to, nije osetljiva na promenu konstrukcionih parametara i parametara režima rada, predstavlja osnovnu prednost izloženog postupka u odnosu na postupke koji se daju u literaturi. U radu je na konkretnom primeru analiziran uticaj nekih konstrukcionih i radnih parametara na karakter i intenzitet opterećenja izazvanog otporom zahvatanja uglja. Izvršena je i uporedna analiza rezultata koji se dobijaju izloženim postupkom i postupcima datim u literaturi. Konačno, na osnovu opterećenja definisanog na način izložen u ovom radu, moguće je izvršiti potpunu simulaciju statičkog i dinamičkog ponašanja strukture i mehanizama pretovarnog mosta sa elevatorima. | sr |
dc.description.abstract | One of the basic stages in design of bridge-type stacker-reclaimer with bucket chain booms is identification of external loads caused by resistances to reclaiming process. In its nature, it is both dynamic and stochastic. In this paper it an original model is presented for calculating such loads which, along with developed software's, enables fast and accurate identification of its dynamic and stochastic characteristics. High accuracy along with no sensibility for variation of constructive parameters and operating stages, presents main advantage of this model respected to other models in literature. This paper analyzes, on a real model, effects of some structural and operating parameters upon character and magnitude of loads caused by resistance to reclaiming process. It presents comparative analysis of output results obtained by this model and others that are given in literature. Finally, based on loads defined in this paper, it is possible to perform a static and dynamic behavior simulation of structure and mechanisms of bridge-type stacker-reclaimer with bucket chain booms. | en |
dc.publisher | Univerzitet u Beogradu - Mašinski fakultet, Beograd | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | FME Transactions | |
dc.subject | resistances to coal reclaiming | en |
dc.subject | kinematics of coal reclaiming process | en |
dc.subject | bucket chain booms | en |
dc.subject | bridge-type stacker-reclaimer | en |
dc.title | Određivanje otpora zahvatanja uglja kod pretovarnih mostova sa elevatorima | sr |
dc.title | Determination of resistances to coal reclaiming at bridge-type stacker-reclaimer with bucket chain booms | en |
dc.type | article | |
dc.rights.license | BY | |
dc.citation.epage | 88 | |
dc.citation.issue | 2 | |
dc.citation.other | 33(2): 79-88 | |
dc.citation.spage | 79 | |
dc.citation.volume | 33 | |
dc.identifier.fulltext | http://machinery.mas.bg.ac.rs/bitstream/id/2469/540.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_machinery_543 | |
dc.type.version | publishedVersion |