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    Wyświetlanie 1-4 z 4
    Tytuł:
    Components for differential cross-section with taking into account the polarization effects in elastic electron-deuteron scattering
    Autorzy:
    Zhaba, V. I.
    Powiązania:
    https://bibliotekanauki.pl/articles/1066249.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    cross-section
    deuteron
    deuteron wave function
    electron-deuteron scattering
    Opis:
    The components for differential cross-section was considered with taking into account the polarization effects in elastic electron-deuteron scattering. These characteristics are analyzed for angle of electron scattering θ = 70º and different momentums. The angular-momentum dependence of values components for differential cross-section have been evaluated in 3D format. The wave function of the deuteron in the coordinate representation for the Reid93 potential was applied to numerical calculations.
    Źródło:
    World Scientific News; 2019, 131; 279-286
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cross- section and material optimization of an automotive chassis using FEA
    Autorzy:
    Mangole, Hidaitulla
    Powiązania:
    https://bibliotekanauki.pl/articles/1182428.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Automotive ladder chassis
    FEA
    Material and cross- section optimization
    Opis:
    The objective of this project is to seek out best material and most fitted cross-section for an Eicher E2 Truck ladder chassis with the constraints of most shear stress, equivalent stress and deflection of the chassis under maximum load condition. In present the Ladder chassis that are uses for creating buses and trucks are C and that I cross section sort, that area unit product of Steel alloy (Austenitic). In Asian country variety of passengers travel within the bus isn't uniform, excess passengers area unit movement within the buses daily as a result of that there are unit forever prospects of being failure/fracture within the chassis/frame. So Chassis with high strength cross section is required to attenuate the failures together with issue of safety in design. Within the present work, we have taken higher strength because the main issue, that the dimensions of an existing vehicle chassis of an Eicher E2 (Model no.11.10) Truck is taken for analysis with materials specifically ASTM A710 Steel, ASTM A302 steel and metal Alloy 6063-T6 subjected to constant load. Vehicle chassis are modelled by considering two different cross-sections specifically C and Rectangular Box (Hollow) sort cross sections.
    Źródło:
    World Scientific News; 2017, 69; 98-110
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modification of a test bench for testing torsional stiffness
    Autorzy:
    Macikowski, Krzysztof Ryszard
    Powiązania:
    https://bibliotekanauki.pl/articles/1179524.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    active stabilizer
    modification
    rectangular cross-section
    test bench
    torque issues
    torsional stiffness
    Opis:
    Described modification concern a test bench for testing torsional stiffness. The bench was created to analyze behaviour a middle part of a new type of an active stabilizer. The middle part was was replaced by two or four profiles with rectangular cross-section which are constantly connected with not-changed parts of stabilizer (with its arms). Specially designed mechanism is responsible for changing stiffness and it performs it so that the profiles are expanded in the middle of sample on the same distance in opposite direction. An article contains brief description of mentioned test bench and one of a few issues which were revealed during investigations – weak accurancy of obtained results. It was determinated that modification in the area of the bench drive and change in recording system should allow on increase accuracy. After modifications became able to observe a phenomenon of changing torque behaviour, from linear to nonlinear, during twisting expanded sample.
    Źródło:
    World Scientific News; 2017, 76; 42-49
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An Analysis of Antenna Temperature and Radar Cross Section of Log Periodic Dipole Antenna
    Autorzy:
    Hamidi, Z. S.
    Saad, M. Azren Mat
    Shariff, N. N. M.
    Monstein, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/1192599.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Sun
    Log Periodic Dipole Antenna
    type III
    radio region
    antenna temperature radar cross section
    Opis:
    The LPDA antenna because it is very suitable and economic amount the types of antennas. It consists of an array of dipoles in which their lengths and spacing are arranged in a log periodic manner, but not all elements in the system are active on a single frequency of operation. The temperature or Antenna Noise Temperature depends on its gain pattern and the thermal environment that it is placed in. We need to design an antenna that can detect the data and monitor the solar burst type III in radio region. It must be sensitive to a broad frequency range and angular distribution of the incident radio pulse and capable to handle the noise issue that is necessary to gain the pure signal. With large instantaneous bandwidths and high spectral resolutions, these instruments will provide increased imaging sensitivity and enable detailed measurements of the dynamic solar burst. For standardized the time, GPS clock is used to control the sampling time of the spectrometer and a tracking controller control the antenna direction. In conclusion, LPDA is the most practical antennas provide general broadband transmission and reception in a wide range of frequency.
    Źródło:
    World Scientific News; 2016, 55; 126-136
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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