Investigation on the thermal mixing enhancement in a T-junction pipe
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-019-1776-x
Abstract: In this paper, three-dimensional numerical simulations are conducted to study the thermal mixing of turbulent flow in a T-junction with hot fluid flowing in the main pipe and cold fluid in the branch. The main… read more here.
Keywords: thermal mixing; mixing enhancement; main pipe; mixing ... See more keywords
Assessment of different URANS models for the prediction of the unsteady thermal mixing in a T-junction
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2018.08.002
Abstract: Abstract Turbulent thermal mixing of fluids at different temperature in T-junctions represents a major concern for the safety of nuclear reactors. This is due to the significant thermal fluctuations that can arise under such circumstances,… read more here.
Keywords: thermal mixing; mixing junction; urans models; different urans ... See more keywords
Numerical study of thermal mixing mechanisms in T-junctions
Sign Up to like & getrecommendations! Published in 2021 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2020.116155
Abstract: Abstract This paper presents wall-resolved Large-Eddy Simulations (LES) of thermal mixing mechanisms both in horizontal and vertical T-junctions. The mass flow rate ratio ( m m / m b ) of the mixing fluids is… read more here.
Keywords: thermal mixing; mixing mechanisms; study; pipe flow ... See more keywords
Analysis of thermal mixing characteristics in different T-junction configurations
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2020.120019
Abstract: Abstract High frequency temperature fluctuations in the near wall region of turbulent thermal mixing processes of hot and cold fluid streams in T-junctions cause unexpected fatigue cracking of piping systems. For the prediction of these… read more here.
Keywords: thermal mixing; different junction; temperature fluctuations; junction configurations ... See more keywords
Effect of the Reynolds and Richardson numbers on thermal mixing characteristics
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2021.120917
Abstract: Abstract This paper presents a detailed numerical study regarding the influence of Reynolds and Richardson numbers in T-junctions with circular cross-section. The numerical investigation is based on the wall-resolved Large-Eddy Simulation (LES), which has been… read more here.
Keywords: number; reynolds number; richardson numbers; reynolds richardson ... See more keywords
Dynamic nuclear polarization via thermal mixing: Beyond the high temperature approximation.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of magnetic resonance"
DOI: 10.1016/j.jmr.2017.01.020
Abstract: Dynamic Nuclear Polarization (DNP) via the mechanism of thermal mixing has proven itself most powerful for the orientation of nuclear spins in polarized targets and hyperpolarization for magnetic resonance imaging (MRI). Unfortunately, theoretical descriptions of… read more here.
Keywords: thermal mixing; temperature approximation; temperature; high temperature ... See more keywords