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Thermal-Hydraulic System Codes in Nulcear Reactor Safety and Qualification Procedures
المؤلفون المشاركون
Petruzzi, Alessandro
D'Auria, Francesco
المصدر
Science and Technology of Nuclear Installations
العدد
المجلد 2008، العدد 2008 (31 ديسمبر/كانون الأول 2008)، ص ص. 1-16، 16ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2008-01-22
دولة النشر
مصر
عدد الصفحات
16
التخصصات الرئيسية
العلوم الهندسية و تكنولوجيا المعلومات
الملخص EN
In the last four decades, large efforts have been undertaken to provide reliable thermal-hydraulic system codes for the analyses of transients and accidents in nuclear power plants.
Whereas the first system codes, developed at the beginning of the 1970s, utilized the homogenous equilibrium model with three balance equations to describe the two-phase flow, nowadays the more advanced system codes are based on the so-called “two-fluid model” with separation of the water and vapor phases, resulting in systems with at least six balance equations.
The wide experimental campaign, constituted by the integral and separate effect tests, conducted under the umbrella of the OECD/CSNI was at the basis of the development and validation of the thermal-hydraulic system codes by which they have reached the present high degree of maturity.
However, notwithstanding the huge amounts of financial and human resources invested, the results predicted by the code are still affected by errors whose origins can be attributed to several reasons as model deficiencies, approximations in the numerical solution, nodalization effects, and imperfect knowledge of boundary and initial conditions.
In this context, the existence of qualified procedures for a consistent application of qualified thermal-hydraulic system code is necessary and implies the drawing up of specific criteria through which the code-user, the nodalization, and finally the transient results are qualified.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Petruzzi, Alessandro& D'Auria, Francesco. 2008. Thermal-Hydraulic System Codes in Nulcear Reactor Safety and Qualification Procedures. Science and Technology of Nuclear Installations،Vol. 2008, no. 2008, pp.1-16.
https://search.emarefa.net/detail/BIM-473332
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Petruzzi, Alessandro& D'Auria, Francesco. Thermal-Hydraulic System Codes in Nulcear Reactor Safety and Qualification Procedures. Science and Technology of Nuclear Installations No. 2008 (2008), pp.1-16.
https://search.emarefa.net/detail/BIM-473332
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Petruzzi, Alessandro& D'Auria, Francesco. Thermal-Hydraulic System Codes in Nulcear Reactor Safety and Qualification Procedures. Science and Technology of Nuclear Installations. 2008. Vol. 2008, no. 2008, pp.1-16.
https://search.emarefa.net/detail/BIM-473332
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-473332
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