مجله فناوری و انرژی هسته ای

اعتبار سنجی روش های محاسباتی پارامترهای سینتیکی با راکتیویته آزمایشی در ترکیب جدید قلب راکتور HWZPR

نویسندگان

1 دانشگاه شهید بهشتی

2 عضو هیئت علمی دانشگاه شهید بهشتی

3 پژوهشگاه علوم و فنون هسته ای، پژوهشکده راکتور،اصفهان،ایران

چکیده

محاسبه دقیق پارامترهای سینتیکی مؤثر اهمیت زیادی در بررسی رفتار وابسته به زمان جمعیت نوترون دارد. برای محاسبه این پارامترها نیاز به محاسبه شار و شار الحاقی در فضای فاز می­باشد که می­تواند با روش­های یقینی و احتمالاتی محاسبه گردد. در این مقاله، محاسبه پارامترهای سینتیکی ترکیب جدید قلب راکتور HWZPR در رهیافت یقینی، با بسته نرم­افزاری MTR_PC و در رهیافت احتمالاتی با کد MCNP5X که با روش احتمال تکرار شکافت  (IFP)توسعه یافته، انجام شده است. پارامترهای سینتیکی محاسبه شده با این روش­ها بوسیله مقایسه پاسخ معادلات سینتیک نقطه­ای و مقادیر تجربی برای یک تزریق راکتیویته اعتبارسنجی شده است، تطابق خوبی بین نتایج محاسبات و مقادیر تجربی مشاهده گردید.  

کلیدواژه‌ها

عنوان مقاله [English]

Validation of deterministic and probabilistic methods for calculating kinetic parameters with experimental reactivity in new configuration of HWZPR reactor core

نویسندگان [English]

  • leili Taghizadeh 1
  • Mehdi Zangian 2
  • Javad Mokhtari 3

1 University of shahid Beheshti

2 Assistant Professor-member of the faculty of shahid Beheshti University

3 , Nuclear Science and Technology Research Institute (NSTRI),Isfahan.

چکیده [English]

The accurate calculation of effective kinetics parameters is very important in the study of time-dependent behavior of neutron populations.To calculate the parameters, it is necessary to calculate the flux and adjoint flux in the phase space, which can be calculated with deterministic and probability methods. In this paper, in order to obtain the kinetic parameters of the new configuration of the Isfahan heavy water zero power reactor core in a deterministic approach, the MTR-PC package has been used and in the probabilistic approach the developed mcnp code with Iterated Fission Probability (IFP) has been used.The kinetic parameters calculated by these methods are validated by comparing the response of the point kinetics and experimental values for a reactive injection, and a good agreement was found between the results of the calculations and the experimental values.

کلیدواژه‌ها [English]

  • Flux
  • Adjoint flux
  • Iterated Fission Probability
  • kinetic parameters
  • HWZPR
  • MCNP code
  • MTR_PC package
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مجله فناوری و انرژی هسته ای
دوره 1، شماره 1 - شماره پیاپی 1
خرداد 1401
صفحه 9-23
فایل ها
اشتراک گذاری
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