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    • 2. 发明专利
    • Monte carlo criticality-mode system and method for computing neutron fluence and gamma fluence in nuclear reactor
    • MONTE CARLO关键模式系统和计算核反应堆中子流和流动的方法
    • JP2004053599A
    • 2004-02-19
    • JP2003189145
    • 2003-07-01
    • General Electric Co ゼネラル・エレクトリック・カンパニイGeneral Electric Company
    • CHIANG REN-TAISITARAMAN SHIVAKUMARJENKINS ALTON LEWIS
    • G21C17/00G09B9/00G09B25/02
    • G09B9/00G09B25/02
    • PROBLEM TO BE SOLVED: To provide a system and a method for calculating neutron fluence and gamma fluence in a nuclear reactor.
      SOLUTION: The method (70) for simulating three-dimensional spatial distribution of the neutron fluence and the gamma fluence in the nuclear reactor comprises, in an exemplary embodiment, generating a detailed geometrical configuration of a nuclear reactor core and surrounding components (72), generating detailed fuel composition and concentration distribution (74), and calculating the three-dimensional nuclide concentrations for the fuel rods and water surrounding the fuel rods using the generated geometric configuration and generation fuel composition and concentration distributions (76). Further, this method comprises the steps of calculating neutron flux and gamma fluxes using a Monte Carlo radiation transport criticality mode methodology (78), and generating of a neutron and gamma fluence map for predetermined area of the reactor (80).
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供用于计算核反应堆中的中子注量和γ注量的系统和方法。 解决方案:在示例性实施例中,用于模拟核反应堆中的中子注量和伽马能量密度的三维空间分布的方法(70)包括在核反应堆堆芯和周围组件中产生详细的几何构型( 72),产生详细的燃料组成和浓度分布(74),并使用生成的几何构型和发电燃料组成和浓度分布计算燃料棒和燃料棒周围的水的三维核素浓度(76)。 此外,该方法包括使用蒙特卡洛辐射传输临界模式方法(78)计算中子通量和伽马通量的步骤,以及生成反应堆(80)的预定区域的中子和γ注量图。 版权所有(C)2004,JPO