Autor: Mazurków, A. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Analysis of technological process of installation turbochargers
Autorzy:: Cygnar, M.
Mazurków, A.
Jaskólski, J.
Powiązania:: https://bibliotekanauki.pl/articles/244108.pdf
Data publikacji:: 2008
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: turbocharger
installation of turbocharger's group
turbine's rotor
compressor's rotor
Opis:: The technological process of installation of turbocharger as well as detailed analysis of chosen stages of installation having fundamental influence on the correct work of the turbocharger are presented in the article. The purpose of this article is performance of whole process of installation turbocharger as well as analysis of particularly significant stages of this process. The creature of turbocharging and it is myself this of working of turbocharger is enough simple. Difficulties appear if we put to the analysis conditions work of turbocharger: high temperature offumes, variable loads, aggressive environment of combustion gases, high rotatory speeds of rotors. Some of exploitation problems are possible to the elimination on the design stage or by means of application of appropriate materials. However technological process of installation is responsible for output quality and failure-free lasting work of turbocharger. In the process of installation it can distinguish some essential stages: processing and installation of shaft with the turbine's rotor, the weighing of turbine's rotor and the compressor, the installation of rotor's group, weighing of rotor's group in the trunk, positional tests under load. High rotary speeds cause during work of rotator so that created during of installation of turbocharger inappropriate balancing can bring to important damages of turbocharger. The correct course of process of installation and the final verification on braked position allows to avoid most of breakdowns of turbocharger group as well as to ensure long term of correct exploitation.From this reason very important is detailed analysis of respective stages of installation of group.
Źródło:: Journal of KONES; 2008, 15, 2; 35-39
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The research of rotating sets in turbochargers, the influence of relative width of sliding bearings with a floating ring on static and dynamic properties
Autorzy:: Cygnar, M.
Aleksander, M.
Mazurkow, A.
Budzik, G.
Powiązania:: https://bibliotekanauki.pl/articles/242325.pdf
Data publikacji:: 2009
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: turbocharger
rotating unit
sliding bearing with a floatin
Opis:: This work is the continuation of the research concerning the dynamic model of a rotating set in turbocharger. In this model masses of rotors and a shaft have been modelled as concentrated masses. The rotating set has been propped on two supports forming lateral sliding bearings with a floating ring bearing. Each bearing is designed including floating ring bearing mass. The shaft of a rotating set spins at angular velocity omega 1 whereas a floating ring bearing spins at angular speed omega 2. A mathematical model constitutes a system of differential equations, mutually coupled. The mathematical model has been solved by determining: acceleration, velocity and displacement in each knot. The paper shows the crucial influence of a bearing relative clearance on static and dynamic properties of a rotating set in a turbocharger. The authors suggest that the rotating set works stably only in these cases as for given parameters, we choose properly oil films' geometry. In the conclusion, the authors formulate proposal that might be usefulfor the designers who deal with these types of bearings. Especially, the mathematical model o f a turbocharger rotating set, work parameters of bearing knots, researches of static and dynamic properties are presented in the paper.
Źródło:: Journal of KONES; 2009, 16, 2; 91-96
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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