Large-eddy simulation on gas mixing induced by the high-buoyancy flow in the CIGMAfacility
Nuclear Engineering and Technology, 2023 The hydrogen behavior in a nuclear containment vessel is a significant issue when discussing the potential of hydrogen combustion during a severe accident.
Satoshi Abe, Yasuteru Sibamoto
doaj +1 more source
Brazilian Journal of Radiation Sciences, 2021 In order to study the safety aspects connected with the permanent increase of the maximum steady state power of the IPR-R1 Triga Reactor of the Nuclear Technology Development Center (CDTN), experimental measurements were done with the reactor operating ...
Amir Zacarias Mesquita
doaj +1 more source
Optimized design on the thermohydraulic performance of the helical coil heat exchanger
International Journal of Thermofluids, 2023 The helical coil heat exchanger (HCHX) is one of the most popular heat transfer devices in heat pump water heaters. In this study, the Computational Fluid Dynamics (CFD) software, ANSYS FLUENT, was employed to predict the thermohydraulic performance of ...
Yang-Cheng Shih +2 more
doaj +1 more source
Impact of variable porosity models on the safety of high temperature pebble bed gas-cooled reactors
Brazilian Journal of Radiation Sciences, 2021 The Very High Temperature Reactor (VHTR) is one of the candidates of next generation of the nuclear reactors according to IAEA. Predicting the thermohydraulic behavior of High Temperature Reactors (HTR) is an important contribution to the development of ...
ABEL GÁMEZ RODRÍGUEZ +5 more
doaj +1 more source
Heat Transfer Slot Matrix for Compact Rotary Heat Exchangers with Ultra-High Regeneration Ratio for Microturbines [PDF]
Problems of the Regional Energetics, 2023 This paper considers the problem of the influence of distancing elements in slot matrix channels on the thermohydraulic characteristics of the matrix of a rotary heat exchanger having various values of the height of the slot channels. The following tasks
Kostyukov A. V., Kosach L. A.
doaj +1 more source
Maars to calderas. End-members on a spectrum of explosive volcanic depressions [PDF]
, 2015 We discuss maar-diatremes and calderas as end-members on a spectrum of negative volcanic landforms (depressions) produced by explosive eruptions (note—we focus on calderas formed during explosive eruptions, recognizing that some caldera types are not ...
Palladino, Danilo Mauro +3 more
core +1 more source
Effect of Novel Stepped Airfoil Fin Inserts on Heat Transfer Enhancement and Fluid Flow Characteristics of Printed Circuit Heat Exchanger [PDF]
Journal of Applied Fluid MechanicsIn recent years, researchers have shown considerable interest in supercritical carbon dioxide (sCO₂) Brayton cycle-based power plants due to their unique characteristics and higher efficiency compared with conventional Rankine cycle systems.
A. P. Raji +3 more
doaj +1 more source
Investigation of the small break conditions in the primary circuit of a VVER-1000 reactor [PDF]
Nuclear Energy and Technology, 2019 Modes with violation of the reactor plant cooling conditions on the primary circuit side of a VVER reactor were simulated using the TRAC-PD2 and Open FOAM thermohydraulic codes (TRAC-PD2 1981, OpenFOAM User Guide Version 1.6.
Vladimir I. Belozerov +2 more
doaj +3 more sources
Experimental Performance of a Solar Air Collector with a Perforated Back Plate in New Zealand [PDF]
, 2020 Publishe
Boulic, M +4 more
core +2 more sources
Case Studies in Thermal Engineering, 2021 Experiments were performed to study the thermohydraulic behaviors of heating tubes equipped with serrated-ring bundles as turbulators. Their thermohydraulic characteristics are reported in terms of Nusselt numbers (Nu) and friction factors (f) as well as
M. Pimsarn +5 more
doaj +1 more source