Zobrazeno 1 - 10 of 48 pro vyhledávání: '"Grzegorz Zywica"'
1
Stress analysis of the discs of axial-flow microturbines
Autor: Grzegorz Zywica, Pawel Zych, Paweł Bagiński
Publikováno v: Journal of Vibroengineering, Vol 22, Iss 6, Pp 1519-1533 (2020)
The article discusses the mesh creation techniques for models of discs of axial-flow microturbines. A universal method of optimization of such devices, in terms of their strength improvement, has been proposed. The research focused on microturbines t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::acc1e9a44bc79d7e184e91f6c8c11622
https://doi.org/10.21595/jve.2020.21165
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3
Experimental and numerical evaluation of the damping properties of a foil bearing structure taking into account the static and kinetic dry friction
Autor: Małgorzata Bogulicz, Grzegorz Zywica, Paweł Bagiński
Publikováno v: Journal of the Brazilian Society of Mechanical Sciences and Engineering. 43
Over the past decades, experimental and theoretical studies on gas foil bearings have been conducted extensively. The essence of the operation of these bearings lies in the use of a unique underlying support mechanism, whose properties adapt to curre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::543c9edf0403fee153e477b062187c30
https://doi.org/10.1007/s40430-020-02720-9
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4
Numerical identification of the dynamic characteristics of a nonlinear foil bearing structure: Effect of the excitation force amplitude and the assembly preload
Autor: Paweł Bagiński, Sławomir Kantor, Grzegorz Zywica, Adam Martowicz, Jakub Roemer, Małgorzata Bogulicz
Publikováno v: Journal of Sound and Vibration. 520:116663
Modelling and identification of the dynamic characteristics of foil bearings under varying loads pose a great challenge and require the use of advanced numerical models. Although simple models can represent the structural characteristics of foil bear
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca27ff65dac49720f2bd767ae39aee08
https://doi.org/10.1016/j.jsv.2021.116663
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6
A review of expanders for power generation in small-scale organic Rankine cycle systems: Performance and operational aspects
Autor: Eugeniusz Ihnatowicz, Grzegorz Zywica, Tomasz Z. Kaczmarczyk
Publikováno v: Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy. 230:669-684
The article discusses various types of expanders used in the organic Rankine cycle systems to turn thermal energy into electrical energy. In addition to basic information on scroll, screw, vane, piston, and turbine expanders, the paper also describes
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::279f48379feefd4497497f3f6111bc45
https://doi.org/10.1177/0957650916661465
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7
Analysis of dynamic compliance of the supporting structure for the prototype of organic Rankine cycle micro-turbine with a capacity of 100 kWe
Autor: Paweł Bagiński, Grzegorz Zywica
Publikováno v: Journal of Vibroengineering, Vol 18, Iss 5, Pp 3153-3163 (2016)
The article describes the research carried out using a complex numerical model which had been developed applying finite element method (FEM). The supporting structure on which two turbine generators (with a target capacity of approx. 100 kWe) were pl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8139185261ec6f0a5d981cc94ce63638
https://www.jvejournals.com/article/17098
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8
Fibre Bragg grating sensors as a measurement tool for an organic Rankine cycle micro-turbogenerator
Autor: Magdalena Mieloszyk, Katarzyna Majewska, Tomasz Z. Kaczmarczyk, Michal Jurek, Grzegorz Zywica, Wieslaw Ostachowicz
Publikováno v: Measurement. 157:107666
Structural health monitoring (SHM) systems are recently developed for many structures from a variety of industrial branches: aviation, civil engineering, marine, power engineering, etc. One of the sensor types that can be applied for SHM systems are
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89ecaafa60667f225b6899e59cd6e8b5
https://doi.org/10.1016/j.measurement.2020.107666
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9
Elektronická kniha
Steam Microturbines in Distributed Cogeneration
Autor: Jan Kiciński, Grzegorz Żywica
This book presents the most recent trends and concepts in power engineering, especially with regard to prosumer and civic energy generation. In so doing, it draws widely on his experience gained during the development of steam microturbines for use i
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10
Experimental Studies on Foil Bearing With a Sliding Coating Made of Synthetic Material
Autor: Grzegorz Zywica, Paweł Bagiński, Slawomir Banaszek
Publikováno v: Journal of Tribology. 138
The paper discusses the research on foil bearings with antifriction coating manufactured from synthetic materials. The tests were carried out on a special test stand of our own construction, designed with the use of numerical analysis. In the course
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db6ed09c38a7e71ab9d8c37d760fe2fd
https://doi.org/10.1115/1.4031396
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