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Wyszukujesz frazę "Składzień, M." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Application of the GTN Model to Numerical Simulation of Distaloy AB Sinters Behaviour Under Complex Loading Conditions
    Autorzy:
    Madej, L.
    Perzyński, K.
    Składzień, M.
    Tkocz, M.
    Rosiak, M.
    Grosman, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/350850.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    numerical modelling
    porous sinters
    deformation
    Opis:
    The behaviour of porous sinters, during compression and compression with reverse cyclic torsion tests is investigated in the article based on the combination of experimental and numerical techniques. The sinters manufactured from the Distaloy AB powder are examined. First, series of simple uniaxial compression tests were performed on samples with three different porosity volume fractions: 15, 20 and 25%. Obtained data were then used during identification procedure of the Gurson-Tvergaard-Needleman finite element based model, which can capture influence of porosity evolution on plasticity. Finally, the identified Gurson-Tvergaard- Needleman model was validated under complex compression with reverse cyclic torsion conditions and proved its good predictive capabilities. Details on both experimental and numerical investigations are presented within the paper.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 4; 1937-1942
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Heating system with vapour compressor heat pump and vertical U-tube ground heat exchanger
    Autorzy:
    Hanuszkiewicz-Drapała, M.
    Składzień, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/240620.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    gruntowy wymiennik ciepła
    modelowanie numeryczne
    pompa ciepła
    system grzewczy
    ground heat exchanger
    heat pump
    heating system
    numerical modelling
    Opis:
    In the paper a heating system with a vapour compressor heat pump and vertical U-tube ground heat exchanger for small residential house is considered. A mathematical model of the system: heated object - vapour compressor heat pump - ground heat exchanger is presented shortly. The system investigated is equipped, apart from the heat pump, with the additional conventional source of heat. The processes taking place in the analyzed system are of unsteady character. The model consists of three elements; the first containing the calculation model of the space to be heated, the second the vertical U-tube ground heat exchanger with the adjoining area of the ground. The equations for the elements of vapour compressor heat pump form the third element of the general model. The period of one heating season is taken into consideration. The results of calculations for two variants of the ground heat exchanger are presented and compared. These results concern variable in time parameters at particular points of the system and energy consumption during the heating season. This paper presents the mutual influence of the ground heat exchanger subsystem, elements of vapour compressor heat pump and heated space.
    Źródło:
    Archives of Thermodynamics; 2010, 31, 4; 93-110
    1231-0956
    2083-6023
    Pojawia się w:
    Archives of Thermodynamics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal analysis of heat and power plant with high temperature reactor and intermediate steam cycle
    Autorzy:
    Fic, A.
    Składzień, J.
    Gabriel, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/239939.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    cogeneration system
    high-temperature reactor
    exergy analysis
    gas heat pumps
    numerical simulation
    system kogeneracyjny
    reaktor wysokotemperaturowy
    analiza egzergii
    gazowe pompy ciepła
    symulacja numeryczna
    Opis:
    Thermal analysis of a heat and power plant with a high temperature gas cooled nuclear reactor is presented. The main aim of the considered system is to supply a technological process with the heat at suitably high temperature level. The considered unit is also used to produce electricity. The high temperature helium cooled nuclear reactor is the primary heat source in the system, which consists of: the reactor cooling cycle, the steam cycle and the gas heat pump cycle. Helium used as a carrier in the first cycle (classic Brayton cycle), which includes the reactor, delivers heat in a steam generator to produce superheated steam with required parameters of the intermediate cycle. The intermediate cycle is provided to transport energy from the reactor installation to the process installation requiring a high temperature heat. The distance between reactor and the process installation is assumed short and negligable, or alternatively equal to 1 km in the analysis. The system is also equipped with a high temperature argon heat pump to obtain the temperature level of a heat carrier required by a high temperature process. Thus, the steam of the intermediate cycle supplies a lower heat exchanger of the heat pump, a process heat exchanger at the medium temperature level and a classical steam turbine system (Rankine cycle). The main purpose of the research was to evaluate the effectiveness of the system considered and to assess whether such a three cycle cogeneration system is reasonable. Multivariant calculations have been carried out employing the developed mathematical model. The results have been presented in a form of the energy efficiency and exergy efficiency of the system as a function of the temperature drop in the high temperature process heat exchanger and the reactor pressure.
    Źródło:
    Archives of Thermodynamics; 2015, 36, 1; 3-18
    1231-0956
    2083-6023
    Pojawia się w:
    Archives of Thermodynamics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A model of hydrogen passive autocatalytic recombiner and its validation via CFD simulations
    Autorzy:
    Orszulik, M.
    Fic, A.
    Bury, T.
    Składzień, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/240045.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    nuclear reactor
    containment
    hydrogen
    numerical modeling
    CFD
    reaktor jądrowy
    powstrzymywanie
    wodór
    modelowanie numeryczne
    Opis:
    Passive autocatalytic recombiners (PAR) is the only used method for hydrogen removal from the containment buildings in modern nuclear reactors. Numerical models of such devices, based on the CFD approach, are the subject of this paper. The models may be coupled with two types of computer codes: the lumped parameter codes, and the computational fluid dynamics codes. This work deals with 2D numerical model of PAR and its validation. Gaseous hydrogen may be generated in water nuclear reactor systems in a course of a severe accident with core overheating. Therefore, a risk of its uncontrolled combustion appears which may be destructive to the containment structure.
    Źródło:
    Archives of Thermodynamics; 2013, 34, 4; 257-266
    1231-0956
    2083-6023
    Pojawia się w:
    Archives of Thermodynamics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Otoimplant - a new middle ear prosthesis as an alternative medical device in operative treatment of hearing
    Autorzy:
    Ziąbka, M.
    Dziadek, M.
    Menaszek, E.
    Banasiuk, R.
    Królicka, A.
    Wiatr, A.
    Wiatr, M.
    Składzień, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/285363.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    otoimplant
    ear prosthesis
    operative treatment
    Źródło:
    Engineering of Biomaterials; 2017, 20, no. 143 spec. iss.; 47
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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