Results 21 to 30 of about 1,442,979 (244)

Development of the pile oscillation method for the determination of integral cross section data at the AKR-2 training and research reactor [PDF]

open access: yesEPJ Web of Conferences
The development of Generation-IV reactors requires validated low uncertainty nuclear data for novel materials. To address this, the pile oscillation method for measuring integral absorption cross sections has been developed at the AKR-2 research reactor ...
Knospe Alexander   +4 more
doaj   +1 more source

Second order of average current nodal expansion method for the neutron noise simulation

open access: yesNuclear Engineering and Technology, 2021
The aim of this work is to prepare a neutron noise calculator based on the second order of average current nodal expansion method (ACNEM). Generally, nodal methods have the ability to fulfill the neutronic analysis with adequate precision using coarse ...
N. Poursalehi, A. Abed
doaj   +1 more source

A FINITE ELEMENT METHOD FOR NEUTRON NOISE ANALYSIS IN HEXAGONAL REACTORS [PDF]

open access: yesEPJ Web of Conferences, 2021
The early detection of anomalies through the analysis of the neutron noise recorded by incore and ex-core instrumentation gives the possibility to take proper actions before such problems lead to safety concerns or impact plant availability. The study of
Vidal-Ferràndiz A.   +4 more
doaj   +1 more source

Are the comfort classes noise and vibration levels on board really suitable?

open access: yes, 2021
In shipbuilding industry, comfort is a relevant issue both for crew members and passengers. A comfortable environment enables crew members to perform accurately their tasks and it is an effective factor contributing to the satisfaction of passengers ...
Flavia D'Agostin   +2 more
core   +1 more source

Sensitivity and Uncertainty Calculations in Support of the Noise Analysis of the TAPIRO Reactor [PDF]

open access: yesEPJ Web of Conferences
In the framework of an assessment of the application of neutron noise methodologies to the TAPIRO reactor, sensitivity and uncertainty analyses on impacting nuclear data for this experimental reactor have been performed using the Serpent Monte Carlo code.
Aimetta Alex, Dulla Sandra
doaj   +3 more sources

Noise: towards a definition [PDF]

open access: yes
The research aims to explore the perceptual affects of noise on the relationship between performers, their instruments and listeners. The portfolio of compositions and accompanying thesis demonstrates the results of this treatment of sound and space ...
Riley, Thomas Richard
core   +3 more sources

ACCELERATION OF A 2-DIMENSIONAL, 2-ENERGY GROUP NEUTRON NOISE SOLVER BASED ON A DISCRETE ORDINATES METHOD IN THE FREQUENCY DOMAIN [PDF]

open access: yesEPJ Web of Conferences, 2021
The acceleration of the convergence rate is studied for a neutron transport solver to simulate 2-D, 2-energy-group neutron noise problems in the frequency domain.
Yi Huaiqian   +2 more
doaj   +1 more source

Ten springs of experiments in CROCUS [PDF]

open access: yesEPJ Web of Conferences, 2023
Around a decade ago, a new team rebuilt experimental research at EPFL’s nuclear facilities, and in particular in the CROCUS nuclear reactor. After a broad investigation and open discussions with colleagues from the nuclear community, a number of ...
Lamirand Vincent
doaj   +1 more source

MODELLING AND ANALYSIS OF FUEL ASSEMBLY VIBRATIONAL MODES IN PWRS USING SIMULATE-3K [PDF]

open access: yesEPJ Web of Conferences, 2021
Some of the KWU pre-KONVOI PWRs operating across Europe saw a systematic increase in the neutron noise levels over several cycles in the last decade, and subsequently, core internals’ movements, especially vibrations of fuel assemblies with specific ...
Verma V.   +3 more
doaj   +1 more source

Optimization of automatic power control of pulsed reactor IBR-2M in the presence of instability

open access: yesNuclear Engineering and Technology, 2022
The paper presents the main results of computational and experimental optimization of the automatic power control system (AС) of the IBR-2M pulsed reactor in the presence of a high level of oscillatory instability.
Yu.N. Pepelyshev, Sumkhuu Davaasuren
doaj   +1 more source

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