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Wyszukujesz frazę "parameters calculation" wg kryterium: Temat

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Analysis of permanent magnet linear motor parameters taking its heating into account
    Autorzy:
    Waindok, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/140827.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    linear synchronous motors
    thermal field calculation
    permanent magnets parameters
    Opis:
    The calculation results of the static field parameters for permanent magnet linear synchronous motor have been presented in this work. The influence of the construction temperature on the parameters has been analyzed mathematically. Models for magnetic and temperature fields determination have been formulated. Two kinds of permanent magnets (NdFeB and SmCo) have been considered. The distribution of the thermal field has been obtained using the finite element method (FEM).
    Źródło:
    Archives of Electrical Engineering; 2012, 61, 4; 471-482
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Calculation of the Thermochemical Parameters of High-Temperature Pyrolants
    Autorzy:
    Zygmunt, Bogdan
    Papliński, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/358084.pdf
    Data publikacji:
    2019
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    high-temperature pyrolants
    thermo-chemical parameters
    computer calculation program
    Opis:
    The thermochemical properties of high-temperature pyrolants were studied. Two reactive oxidizers, potassium nitrate (KNO3) and potassium perchlorate (KClO4), and two highly energetic fuels, boron (B) and zirconium (Zr), were considered. The combustion temperatures and thermochemical parameters of B/KNO3, Zr/KNO3, B/KClO4, and Zr/KClO4 pyrotechnic mixtures were investigated via thermochemical calculations using a modified dedicated calculation program package that enables estimation of the presence and concentrations of chemical compounds in condensed (solid or liquid) phases in the combustion products. The relevancy between heat generation and the quantity of gaseous and condensed products was calculated. In addition, changes in the thermochemical parameters of the pyrotechnic mixtures on increasing the combustion pressure from 0.4 to 4.0 MPa were examined. The use of zirconium led to remarkably higher combustion product temperatures compared with other metallic fuels.
    Źródło:
    Central European Journal of Energetic Materials; 2019, 16, 4; 583-595
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Support parameters optimization and engineering application of roadway with broken-expand surrounding rock in deep
    Autorzy:
    Yu, W.-J.
    Wu, G.-S.
    Powiązania:
    https://bibliotekanauki.pl/articles/89222.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Wydział Geoinżynierii, Górnictwa i Geologii. Instytut Górnictwa
    Tematy:
    high stress
    secondary support
    optimization of support parameters
    numerical calculation
    surrounding rock
    Opis:
    Aiming at the deformation characteristics and the support problem of deep high stress broken-expand surrounding rock, the secondary support of the deep roadway engineering of Fenglong coal mine in Jiangxi Province, China, is carried out to optimize the parameters. First of all, according to the characteristics of deep roadway deformation in Fenglong coal mine, the specific support scheme was put forward on the basis of the original support, then, the secondary support parameters and the support time are designed. The softening strength parameters of the surrounding rock in the roadway are obtained by using the piecewise linear strain softening model and the dilatancy angle of the rock mass. Considering the strength effect of cable anchor, the calculation equation and support strength index ID concept of anchor cable are put forward, and the corrected calculation parameters of anchorage effect are given. Then, the numerical calculation is carried out for 16 schemes, meanwhile, the optimal scheme of the comprehensive evaluation index Es of roadway engineering stability is adopted. The influence of different anchoring effect on the stability of roadway and different secondary displacement value on the stability of roadway are analyzed respectively. Finally, the optimized support scheme is used to carry out the engineering practice, the results of monitoring the deformation of roadway by cross method show that the deformation value is within the controllable range, which can better control the roadway deformation.
    Źródło:
    Mining Science; 2017, 24; 267-285
    2300-9586
    2353-5423
    Pojawia się w:
    Mining Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New radar system along the Polish coast and inside Polish ports
    Autorzy:
    Wawruch, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/134987.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    National Maritime Safety System
    radar subsystem
    types of installed radars
    radar parameters
    installation positions
    detection range calculation
    radar subsystem evaluation
    Opis:
    This paper presents the radar system installed by the Polish maritime administration within the scope of the “National System of Maritime Safety (KSBM)” project. One of the main objectives of introducing the system is to improve the safety of navigation on the fairways, routes and in traffic separation schemes and ports, as well as the environmental protection of the coastal waters of Polish maritime areas. Radars are intended mainly for the early detection and accurate tracking of ships for the purpose of preventing maritime accidents and pollution of the sea and coast line. They are connected to a digital exchange network that allows remote handling and data transfer in relation to radar station – control centre – radar station and between control centres. The basic technical parameters of the purchased radars, installation position and the detection ranges, calculated by means of the CARPET program for objects and conditions defined in the IALA Recommendation V-128, are described.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2015, 44 (116); 196-203
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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