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dr inż. Piotr Bzura

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Year 2003
Year 2004
  • Model diagnostyczny łożysk silnika spalinowego o zapłonie samoczynnym.
    Publication

    - Year 2004

    Celem referatu jest zaprezentowanie modelu diagnostycznego łożysk ślizgowych, za pomocą którego można rozpoznawać stany techniczne tego łożyska z zastosowaniem zbioru właściwości oleju smarowego. Następnie przedstawiono plan badań empirycznych umożliwiających badanie procesu niszczenia warstwy granicznej oleju. Smarność tej warstwy ma zasadniczy wpływ na zużycie łożyska.

Year 2005
Year 2007
Year 2008
Year 2009
Year 2011
  • A method for evaluating durability of porous slide bearings
    Publication

    The article presents the structures of porous bearings bushes and greasy lubricants, and the similarity criterion resulting from this structures. A phisical model is proposed which describes the operation of the porous slide bearing bush taking into account, via analogy, the phenomena taking place in the grease lubricant nodes instead of those observed in the bush structures.Included are the result of experimental tests of three...

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  • Reliability model of slide bearings with particular attention given to lubricating oil
    Publication

    The paper presents the slide bearing with circulating lubrication as a system of series three-element structure, where lubricating oil is the weakest link. In accordance with the Pierce statement that ''strength of chain is the strength of its weakest link'', a bearing reliability model has been developed. It allows to use the lubricating oil to evaluate the probability of correct working of the whole slide bearing, i.e. the reliability....

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  • Tribological model of porous bearings with particular attention given to the lubricant lubricity
    Publication

    - Journal of KONBiN - Year 2011

    The friction and wear problems, accompanying all the tribological systems, lead to reduced service life. In order to prevent such situation, it is necessary to maintain fluid friction, which improves durability of all friction nodes in a tribological system. In the paper, the tribological system consists of porous bearings and the model deals with their weakest spots - the oil outflow points in the porous wall. A kinetic model...

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Year 2012
  • Failure model of main elements of the ship engine crankshaft-piston assembly
    Publication

    The paper presents a failure model of main elements of the crankshaft-piston assembly, based on failures ofcrankshaft-piston assembly and timing gear system of the Sulzer RD engines, retrieved from the equipment reliabilitydata of selected ships.

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  • Model zużycia głównych podzespołów zespołu korbowo-tłokowego i rozrządu
    Publication

    - Year 2012

    W referacie na podstawie uszkodzeń zespołu korbowo-tłokowego i rozrządu silników Sulzer RD pobranych z syntetycznych danych o niezawodności wyposażenia wybranych statków PLO i PŻM zbudowany został model zużycia głównych podzespołów zespołu korbowo-tłokowego i rozrządu.

  • Reliability model of the crankshaft-piston assembly
    Publication

    - Journal of KONES - Year 2012

    The laws that govern the durability of crankshaft-piston assembly friction nodes can be proved or at least derived or justified in an intuitive way. Operation of all the friction nodes is disturbed by external factors occurring with randomly changing intensity and also appearing at random. As the crankshaft-piston assembly friction nodes have a series structure and effects of those disturbances accumulate, their fitness for use...

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