Results 21 to 30 of about 5,274,833 (344)

Impact of non-ideal transport modeling on supercritical flow simulation

open access: yesProceedings of the Combustion Institute, 2019
The simulation of a supercritical fluid flow requires sophisticated models for real gas thermodynamic and non-ideal phenomena. They both are presently addressed through the simulation of a non-reacting and reacting high pressure H2/O2 splitter-plate ...
U. Guven, G. Ribert
semanticscholar   +1 more source

Research on flow characteristics in supercritical water natural circulation: Influence of heating power distribution

open access: yesNuclear Engineering and Technology, 2018
There are many parameters that affect the natural circulation flow, such as height difference, heating power size, pipe diameter, system pressure and inlet temperature and so on.
Dongliang Ma   +3 more
doaj   +1 more source

Numerical Simulation Study on Supercritical Nitrogen Jet Flow Field

open access: yesShiyou jixie, 2021
Conventional hydraulic fracturing technology faces problems such as high fracture initiation pressure and difficult packer setting in the stimulation of hot dry rock reservoirs.
Luo Yi   +5 more
doaj  

Experimental Study on Critical Flow of Supercritical CO2 at Steady State and Model Verification

open access: yesYuanzineng kexue jishu, 2022
When the loss of coolant accident happens in a reactor, because of the high temperature and high pressure in the reactor and the low external pressure, the critical flow may occur at the break due to sharp depressurization and vaporization.
LI Weiqing;ZHANG Dongxu;ZHAO Minfu
doaj  

Numerical study of bed slope change effect of circular channel with side weir in supercritical flow conditions

open access: yesApplied Water Science, 2018
In this numerical study, the pattern and the field of the passing flow through circular channels with the side weir in supercritical flow conditions are simulated using the FLOW-3D model.
H. Azimi, S. Shabanlou
semanticscholar   +1 more source

Analysis of numerical studies on the thermal-hydraulic and neutronic thermal-hydraulic stability of supercritical water reactors [PDF]

open access: yesNuclear Energy and Technology, 2021
The paper presents a review of modern studies on the potential types of coolant flow instabilities in the supercritical water reactor core. These instabilities have a negative impact on the operational safety of nuclear power plants.
Artavazd M. Sujyan   +2 more
doaj   +3 more sources

The critical transition of Coulomb impurities in gapped graphene [PDF]

open access: yes, 2020
The effect of supercritical charge impurities in graphene is very similar to the supercritical atomic collapses in QED for Z > 137, but with a much lower critical charge.
Asorey, Manuel, Santagata, Alessandro
core   +2 more sources

Regeneration of Modified Bentonite Loaded with Phenol Using Supercritical Fluids

open access: yesAdsorption Science & Technology, 2004
The desorption of phenol from organically modified bentonite (ODTMA–bentonite) using supercritical fluids was studied. Parameters such as pressure, temperature, supercritical fluid flow rate and co-solvent (entrainer) concentration were investigated. The
Uğur Salgın   +2 more
doaj   +1 more source

Numerical Study of Heat Transfer Mechanism in Turbulent Supercritical CO2 Channel Flow

open access: yesJournal of Thermal Science and Technology, 2008
Direct numerical simulation (DNS) of supercritical CO2 turbulent channel flow has been performed to investigate the heat transfer mechanism of supercritical fluid.
Xinliang LI   +4 more
doaj   +1 more source

Efficient Surrogate-Assisted Parameter Analysis for Coal-Supercritical Water Fluidized Bed Reactor with Adaptive Sampling

open access: yesMachines, 2023
Supercritical water fluidized beds (SCWFBs) are promising and efficient reactors for the gasification of coal in supercritical water. The understanding and investigation of multi-phase flows as well as the gasification process usually rely on time ...
Pu Zhao   +7 more
doaj   +1 more source

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