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Newest Methods and Approaches to Enhance the Performance of Optical Frequency-Domain Reflectometers. [PDF]
Sensors (Basel)Lobach IA +9 more
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Salicylhydroxamic acid as an electro-responsive and switchable adhesive molecule. [PDF]
Chem SciWang K +4 more
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Development of a Flow Sweeping Mixing Model for Helical Fuel Rod Bundles
Annals of Nuclear Energy, 2021Abstract The helical fuel rod is a kind of axially twisted fuel element with a three or four-petaled profile. The helical fuel rod assembly assembled by helical fuel rods against one another in an array is self-supporting and free of spacer grids. This study analyses the flow field in a four-petaled helical fuel rod bundle from a subchannel method ...
Hanyang Gu, Yao Xiao, Junsen Fu
exaly +2 more sources
Analysis of Inter-Channel Sweeping Flow in Wire Wrapped 19-Rod Bundle
Nuclear Engineering and Design, 2018Abstract Helical wire spacers are widely used in sodium cooled fast reactors. One of the main effects of wire spacers is enhancing the inter-channel cross flow in triangular arrayed rod bundles. To study the characteristic of sweeping flow rate across the gaps between the sub-channels, the computational fluid dynamics (CFD) method is used in the ...
Wang, Xi, Cheng, Xu
exaly +3 more sources
Annals of Nuclear Energy, 2015
Grid spacers with mixing vanes are used in nuclear fuel assemblies in order to increase the lateral cross-flows between sub-channels that homogenize the temperature distribution within the fuel rod bundle. For the thermal-hydraulic design of such fuel bundles, sub-channel analysis codes are used in order to predict the mass and temperature distribution.
Zimmermann, Markus +4 more
exaly +3 more sources
Grid spacers with mixing vanes are used in nuclear fuel assemblies in order to increase the lateral cross-flows between sub-channels that homogenize the temperature distribution within the fuel rod bundle. For the thermal-hydraulic design of such fuel bundles, sub-channel analysis codes are used in order to predict the mass and temperature distribution.
Zimmermann, Markus +4 more
exaly +3 more sources
Nuclear Engineering and Design, 1977
Abstract A computer code has been developed for use in making single-phase thermal hydraulic calculations in rod bundle arrays with flow sweeping due to spiral wraps as the predominant crossflow mixing effect. This code, called SIMPLE-2, makes the assumption that the axial pressure gradient is identical for each subchannel over a given axial ...
Robert E Henry, Owen C Jones
exaly +2 more sources
Abstract A computer code has been developed for use in making single-phase thermal hydraulic calculations in rod bundle arrays with flow sweeping due to spiral wraps as the predominant crossflow mixing effect. This code, called SIMPLE-2, makes the assumption that the axial pressure gradient is identical for each subchannel over a given axial ...
Robert E Henry, Owen C Jones
exaly +2 more sources
International Communications in Heat and Mass Transfer
Hanyang Gu, Junlong Li, Junsen Fu
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Hanyang Gu, Junlong Li, Junsen Fu
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Applied Thermal Engineering, 2022
In the chemical industry, nuclear energy, electronics, and other industries, heat transfer enhancement has been the focus of significant attention. To enhance the flow heat transfer performance of coolant in the nuclear fuel assembly, helical cruciform fuel rods are designed as a foundation fuel element.
Dianqiang Jiang +4 more
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In the chemical industry, nuclear energy, electronics, and other industries, heat transfer enhancement has been the focus of significant attention. To enhance the flow heat transfer performance of coolant in the nuclear fuel assembly, helical cruciform fuel rods are designed as a foundation fuel element.
Dianqiang Jiang +4 more
openaire +1 more source