Thermal hydraulic analysis of a tubular fuel assembly in the normal operating condition of Tehran Research Reactor core [PDF]
مجله علوم و فنون هستهای, 2022 The purpose of this paper is to investigate the possibility of using tubular fuel assemblies in Tehran Research Reactor (TRR) from the thermal hydraulic perspective.
M. Hasanzadeh +4 more
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Safety assessment of Tehran Research Reactor fuel test loop during loss of flow accident [PDF]
مجله علوم و فنون هستهای, 2022 In order to enhance applicability of Tehran Research Reactor (TRR) for irradiation test of nuclear fuels and materials and considering TRR potential to provide required neutronic and thermal-hydraulic conditions for irradiation tests on domestic nuclear ...
S. Safaei Arshi +2 more
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Safety analysis of HWRR test fuel assembly in Tehran Research Reactor core using open loop test facility [PDF]
مجله علوم و فنون هستهای, 2021 HWRR element is an instrumented fuel assembly constructed based on JCPOA conceptual design parameters for Arak reactor. The in-core experiments of the fuel are carried out in TRR core to evaluate neutronic and thermal-hydraulic parameters using an ...
E. Abedi,, H. Khalafi, S.M. Mirvakili
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Possibility of using real time digital neutron radiography to study the evaporation of water in porous materials [PDF]
مجله علوم و فنون هستهای, 2021 The study of the process of absorption and evaporation of fluids in porous media is of particular importance in sciences such as geology, civil engineering, environment, etc. Neutron radiography is one of the most precise methods for investigation of the
E. Nazemi +4 more
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Neutron Computerized Tomography (CT) of the non-irradiated fuel rod [PDF]
مجله علوم و فنون هستهای, 2020 Due to the special and difficult conditions for the fuel rods inside the reactor core, inspection and quality control of the fuel after the production at the factory and before loading in the core of the reactor is essential.
E. Nazemi +4 more
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Burn up effect on optimal placement of fixed in-core detectors for Tehran research reactor using information theory [PDF]
مجله علوم و فنون هستهای, 2020 Monitoring the power distribution of reactor core is one of the most challenging issues in the safe operation of nuclear reactors. The Number and arrangement of detectors in a core monitoring system should be determined in a way that maximum amount of ...
M.S. Terman +2 more
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Control rods effect analyses on thermo-hydraulic safety parameters in TRR [PDF]
مجله علوم و فنون هستهای, 2020 In this study, the effect of control rods on TRR safety parameters was investigated in both cases of static and transient behavior. In this paper, the effect of the control rods movements (70%) on the power peaking was used in the form of the normalized ...
A. Lashkari +2 more
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Experimental study of structural, mechanical, and nuclear properties of neutron absorber composites containing boron [PDF]
مجله علوم و فنون هستهای, 2022 The present study investigated the structural, mechanical, and nuclear properties of two types of polymeric and metallic composites containing boron carbide particles.
M.J. Nasr Isfani +2 more
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Thermal hydraulic analysis and estimation of hydrogen generation in severe accidents in WWER1000 [PDF]
مجله علوم و فنون هستهای, 2022 Severe Accidents Management (SAM) in nuclear power plants is an important safety issue. SAMs require assessing the thermal-hydraulic conditions of the nuclear reactor during the accident.
R. Gharari +4 more
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Evaluation of fast fission factor in a typical pool type research reactor [PDF]
Journal of Nuclear Research and Applications, 2022 One of the important factors of a nuclear reactor core is the fast fission factor. This paper calculates this parameter based on space and energy-dependent method using the PTRAC card of MCNPX code. Tehran research reactor (TRR) is taken as a case study,
M. Arkani, S. Khakshournia
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