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Browsing Artykuły (WM) by Title

Browsing Artykuły (WM) by Title

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  • Chudzik, Agnieszka; Świniarski, Jacek (Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej, 2004)
    One of the most important elements of heat exchangers are perforated bottoms. These are perforated plates of significant thickness, in which heating cartridge pipes are mounted. For the designers of heat exchangers, the ...
  • Rapiejko, Cezary; Pisarek, Bogusław; Pacyniak, Tadeusz (2014)
    The paper presents the results of the investigation of the effect of Cr and/or V alloy additions on the microstructure and mechanical properties of the magnesium AM60 alloy. The examinations are performed within the frames ...
  • Wójcik, Ryszard (Lodz University of Technology. Faculty of Mechanical Engineering. Department Division of Dynamics.Wydawnictwo Politechniki Łódzkiej. Wydział Mechaniczny. Katedra Dynamiki Maszyn., 2013)
    The machining of titanium alloys is relatively elaborate process which carries out large values of cutting forces and torques. For these reasons it is essential to impose specific requirements for tools, cooling system and ...
  • Gumienny, Grzegorz; Szymczak, Tomasz; Pacyniak, Tadeusz (2014)
    The work presents the examination results of the effect of strontium and antimony modification on the microstructure of a cast and the characteristic values of the TDA curves. Strontium and antimony modifiers were added ...
  • Gumienny, Grzegorz; Klimek, Leszek (2014)
    The work presents the results of the studies of the effect of the temperature on the microstructure of ausferritic nodular cast iron. The ausferrite in the matrix was obtained by way of a specific combination of molybdenum ...
  • Szymczak, Tomasz; Gumienny, Grzegorz; Pacyniak, Tadeusz (2014)
    This paper presents the effect of the temperature and hold time in the holding furnace of 226 silumin on the characteristic quantities of TDA curves. The temperature of phase transformations and the cooling rate were ...
  • Władysiak, Ryszard; Kozuń, Artur (2014)
    The work is a continuation of research on the use water mist cooling in order to increase efficiency of die-casting aluminum alloys using multipoint water mist cooling system. The paper presents results of investigation ...
  • Kowal-Michalska, K.; Kołakowski, Z. (Wydział Mechaniczny. Katedra Wytrzymałości Materiałów i Konstrukcji. Politechnika ŁódzkaLodz University of Technology. Faculty of Mechanical Engineering. Department of Strength of Materials and Structures, 2015)
  • Jaroniek, Mieczysław; Niezgodziński, Tadeusz (Lodz University of Technology. Faculty of Mechanical Engineering. Department Division of Dynamics.Wydawnictwo Politechniki Łódzkiej. Wydział Mechaniczny. Katedra Dynamiki Maszyn., 2015)
    Load structure, the maximum permissible load is usually determined by the strength calculation (bearing data. Yield stress or strength of the material), or the parameters of fracture mechanics. The paper analyzes the ...
  • Kapitaniak, Tomasz; Czołczyński, Krzysztof; Perlikowski, Przemysław; Stefański, Andrzej (Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej, 2012)
    We consider the synchronization of two self-excited pendulums with different masses. We show that such pendulums hanging on the same beam can show almost-complete (in-phase) and almost-antiphase synchronizations in which ...
  • Szumiński, Przemysław; Kapitaniak, Tomasz; Stefański, Andrzej (Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej, 2004)
    An energy method for the position stability analysis of critical points (equilibrium positions) of dynamical systems with an arbitrary finite number of degrees of freedom is presented. The method proposed consists in the ...
  • Wajszczyk, Piotr (Wydawnictwo Uniwersytetu Łódzkiego, 2013)
    Referat przedstawia próbę analizy powinności etycznych wynikających z zawodu inżyniera na podstawie wybranych kodeksów etycznych oraz sygnalizuje problemy pojawiające się w nauczaniu przedmiotu etyki zawodowej na studiach ...
  • Olasek, Krzysztof; Wiklak, Piotr (Stowarzyszenie Inżynierów i Techników Mechaników Polskich, 2014)
    Preparation of an appropriate model to conduct experiments is a crucial aspect of every science investigation. Usually, apart from the requirement to achieve a desired level of a model quality, it is also very important ...
  • Wasilewski, Grzegorz; Kudra, Grzegorz; Awrejcewicz, Jan; Kaźmierczak, Maciej; Tyborowski, Mateusz; Kaźmierczak, Marek (Politechnika Łódzka. Wydział Mechaniczny. Katedra Automatyki, Biomechaniki i Mechatroniki., 2015)
    The work is a continuation of numerical and experimental investigations of a system consisting of a single pendulum with the joint horizontally driven by the use of a crank-slider mechanism and DC motor. The power supplied ...
  • Mania, R.J. (Wydział Mechaniczny. Katedra Wytrzymałości Materiałów i Konstrukcji. Politechnika ŁódzkaLodz University of Technology. Faculty of Mechanical Engineering. Department of Strength of Materials and Structures, 2015)
  • Kozanecka, Dorota; Kozanecki, Zbigniew; Lech, Tomasz (Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej, 2008)
    In the paper, an experimental identification procedure of dynamic parameters for active magnetic bearings is presented. In the proposed method, analysis of variable components of displacements of the rotor for an excitation ...
  • Rydlewicz, Wojciech; Błaszczak, Jarosław R. (Lodz University of Technology. Faculty of Mechanical Engineering. Department Division of Dynamics.Wydawnictwo Politechniki Łódzkiej. Wydział Mechaniczny. Katedra Dynamiki Maszyn., 2016)
    The presented investigations are continuation of earlier researches performed in the Institute of Turbomachinery (Lodz University of Technology, Poland). The main aim of this paper is to investigate the acoustics properties ...
  • Czapski, P.; Kubiak, T. (Wydział Mechaniczny. Katedra Wytrzymałości Materiałów i Konstrukcji. Politechnika ŁódzkaLodz University of Technology. Faculty of Mechanical Engineering. Department of Strength of Materials and Structures, 2015)
    This paper deals with the experimental investigations of thin-walled, squared crosssection composite tubes subjected to a static compression. The main purpose of this paper is to present and discuss different methods of ...
  • Jaroniek, Mieczysław (Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej, 2010)
    Fabrication of functionally graded materials (FGM) can be obtained by layeredmixing of two materials of different thermo-mechanical properties with different volume ratios gradually changing from layer to layer such that ...
  • Jaroniek, Mieczysław; Niezgodziński, Tadeusz (Lodz University of Technology. Faculty of Mechanical Engineering. Department Division of Dynamics.Wydawnictwo Politechniki Łódzkiej. Wydział Mechaniczny. Katedra Dynamiki Maszyn., 2015)
    Manufactured by the end of the 80s in the last century steel structures were made of steel which contain signi cant amounts of non-metallic inclusions. As a result of many years of intensive use of the structures made ...

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