Annular flow dynamic characteristics of two inverse coaxial rotational cones
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Visualization"
DOI: 10.1007/s12650-019-00570-9
Abstract: AbstractDye liquid visualization and PIV experiments were conducted to reveal the influence of the Reynolds number (Re) and the presence of an end plate at the upper boundary on the annular flow dynamics characteristics of… read more here.
Keywords: annular flow; vortex; characteristics two; two inverse ... See more keywords
Evaluation of prediction methods for heat transfer coefficient of annular flow and a novel correlation
Sign Up to like & getrecommendations! Published in 2017 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2016.11.170
Abstract: Abstract Flow boiling heat transfer of annular flow is very important to the thermal design of evaporating heat exchanger. In this study, an experimental heat transfer coefficient database containing 2783 data points is built from… read more here.
Keywords: heat; annular flow; transfer coefficient; heat transfer ... See more keywords
The effect of swirl on transition from churn flow to annular flow in an intermediate diameter pipe
Sign Up to like & getrecommendations! Published in 2019 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2019.109861
Abstract: Abstract Swirling annular flow has been widely used in industries. The transition boundary of swirling annular flow which is important for its application in practice is rarely studied in published works. In this work, the… read more here.
Keywords: transition churn; churn flow; flow; annular flow ... See more keywords
Wave characteristics of vertical upward adiabatic annular flow in pipes
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.118701
Abstract: Abstract Annular flow exists in many engineering applications, such as refrigerators, oil extraction, nuclear reactors and so on, due to its high heat and mass transfer efficiencies. Annular flow is characterized by liquid film on… read more here.
Keywords: annular flow; wave characteristics; gas; film thickness ... See more keywords
Suppression of nucleate boiling in upward two-phase annular flow: A direct measurement using modern diagnostics
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2020.120143
Abstract: Abstract In heat exchangers employing flow boiling, e.g., boiling water reactors and industrial boilers, the heat transfer mechanism will transition from nucleate boiling to forced convective evaporation as the flow pattern transition from bubbly to… read more here.
Keywords: annular flow; using modern; nucleate boiling; suppression nucleate ... See more keywords
Dynamic response of a functionally graded cylindrical shell subjected to swirling annular flow including the fluid viscous effects
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2017.09.053
Abstract: Abstract Considering the fluid viscosity, the dynamic behavior of a functionally graded materials (FGMs) cylindrical shell conveying a swirling annular fluid in the annulus between the inner shell and the outer shell are investigated, where… read more here.
Keywords: annular flow; functionally graded; cylindrical shell; swirling annular ... See more keywords
A numerical procedure for estimating the sand erosion of elbows in annular flow with the complete thickness distribution of the liquid film
Sign Up to like & getrecommendations! Published in 2019 at "Wear"
DOI: 10.1016/j.wear.2019.203085
Abstract: Abstract A numerical procedure is carried out to forecast the penetration rates of metal elbows caused by silica sand particles under air-water annular flow conditions. The procedure aims at overcoming the disadvantage of the existing… read more here.
Keywords: annular flow; numerical procedure; liquid film; procedure ... See more keywords
Numerical Simulation of the Flow Pattern of Spiral Annular Flow with a Guide Strip by Spiral On-Way
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c02924
Abstract: To study the gas–liquid two-phase spiral annular flow pattern and its conversion law in a horizontal tube with twist tape by spiral on-way, a numerical simulation is carried out using the RNG k-ε model, and… read more here.
Keywords: pattern spiral; annular flow; flow; spiral annular ... See more keywords
Void fraction measurement using an imaging and phase isolation method in horizontal annular flow
Sign Up to like & getrecommendations! Published in 2019 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/aaf8ec
Abstract: A new imaging method was proposed to measure the void fraction of annular flow based on phase isolation technology in a horizontal circular tube. As the gas–liquid mixture passes through the phase isolation device, which… read more here.
Keywords: void fraction; phase; flow; annular flow ... See more keywords
A Method to Suppress the Effect of Total Reflection on PLIF Imaging in Annular Flow
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3167775
Abstract: Planar laser-induced fluorescence (PLIF) is widely applied to investigate annular flow, but it is affected by the pipe wall and complex interface waves. In this article, the main sources of distortions for PLIF imaging in… read more here.
Keywords: plif imaging; annular flow; imaging annular; flow ... See more keywords
Investigation on Influencing Factors of Film Bubbles in Vertical Upward Annular Flow Based on Fluorescence Imaging
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3203447
Abstract: Gas liquid annular flow extensively exists in the heat transfer applications, including the condenser, the boiling water reactors, and the refrigeration system. The study of the film bubbles is essential to enhance the thermal transmission… read more here.
Keywords: annular flow; film bubbles; liquid; film ... See more keywords