Bubble Dynamics and Heat Transfer on Biphilic Surfaces: Experiments and Numerical Simulation
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Bionic Engineering"
DOI: 10.1007/s42235-020-0064-x
Abstract: Wettability is known to play a major role in enhancing pool boiling heat transfer. In this context bioinspired surfaces can bring significant advantages in pool boiling applications. This work addresses a numerical investigation of bubble… read more here.
Keywords: biphilic surfaces; pool boiling; dynamics heat; bubble dynamics ... See more keywords
Schlieren-based simultaneous mapping of bubble dynamics and temperature gradients in nucleate flow boiling regime: Effect of flow rates and degree of subcooling
Sign Up to like & getrecommendations! Published in 2019 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2019.02.018
Abstract: Abstract Bubble dynamics and the local thermal field associated with single nucleating bubble under subcooled flow boiling conditions have been investigated in a one side-heated rectangular channel with water as the working fluid. A real-time… read more here.
Keywords: temperature gradients; field; temperature; bubble dynamics ... See more keywords
Experimental and numerical study on bubble dynamics and heat transfer during nucleate boiling of FC-72
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.05.061
Abstract: Abstract In this paper, we study the bubble dynamics and heat transfer during a growing and departing bubble of FC-72 on horizontal silicon surfaces experimentally and numerically. In the numerical method, the dynamical interface is… read more here.
Keywords: heat; study bubble; nucleate boiling; heat transfer ... See more keywords
In-situ investigation of bubble dynamics and two-phase flow in proton exchange membrane electrolyzer cells
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2018.05.006
Abstract: Abstract Gas bubble dynamics and two-phase flow have a significant impact on the performance and efficiency of proton exchange membrane electrolyzer cells (PEMECs). It has been strongly desired to develop an effective experimental method for… read more here.
Keywords: phase flow; two phase; bubble dynamics; dynamics two ... See more keywords
Modelling large scale airgun-bubble dynamics with highly non-spherical features
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Multiphase Flow"
DOI: 10.1016/j.ijmultiphaseflow.2019.103143
Abstract: Abstract A thorough understanding of the dynamics of meter-sized airgun-bubbles is very crucial to seabed geophysical exploration. In this study, we use the boundary integral method to investigate the highly non-spherical airgun-bubble dynamics and its… read more here.
Keywords: airgun bubble; highly non; bubble dynamics; non spherical ... See more keywords
Bubble dynamics in viscoelastic soft tissue in high-intensity focal ultrasound thermal therapy.
Sign Up to like & getrecommendations! Published in 2018 at "Ultrasonics sonochemistry"
DOI: 10.1016/j.ultsonch.2017.08.017
Abstract: The present study is aimed to investigate bubble dynamics in a soft tissue, to which HIFU's continuous harmonic pulse is applied by introducing a viscoelastic cavitation model. After a comparison of some existing cavitation models,… read more here.
Keywords: cavitation; soft tissue; model; dynamics viscoelastic ... See more keywords
Bubble dynamics in thin liquid films and breakup at drop impact.
Sign Up to like & getrecommendations! Published in 2020 at "Soft matter"
DOI: 10.1039/d0sm01882a
Abstract: A liquid drop impacting on a smooth surface heated above the boiling point and below the Leidenfrost temperature spreads over the surface forming a thin liquid film. We observed bubble nuclei originating at the first… read more here.
Keywords: thin liquid; liquid; drop; liquid film ... See more keywords
Modeling high strain-rate microcavitation in soft materials: the role of material behavior in bubble dynamics.
Sign Up to like & getrecommendations! Published in 2023 at "Soft matter"
DOI: 10.1039/d2sm01212j
Abstract: Inertial Microcavitation Rheometry (IMR) is a promising tool for characterizing the mechanical behavior of soft materials at high strain rates. In IMR, an isolated, spherical microbubble is generated inside a soft material, using either a… read more here.
Keywords: bubble dynamics; behavior; material; high strain ... See more keywords
Bubble dynamics in rotating flow under an accelerating field
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Fluids"
DOI: 10.1063/1.5031878
Abstract: Three-dimensional bubble dynamics in rotating flow under an accelerating field such as a centrifugal one is studied in this work. We employ the lattice Boltzmann method in two phase flows to simulate bubble dynamics for… read more here.
Keywords: dynamics rotating; accelerating field; bubble dynamics; flow accelerating ... See more keywords
Simultaneous mapping of single bubble dynamics and heat transfer rates for SiO2/water nanofluids under nucleate pool boiling regime
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Fluids"
DOI: 10.1063/1.5050980
Abstract: Dependence of single vapor bubble dynamics and heat transfer rates on varying concentration of SiO2 nanoparticles for a range of subcooled conditions (0–9 °C) has been experimentally studied under nucleate pool boiling configuration. Non-invasive measurements… read more here.
Keywords: heat; increasing subcooling; bubble dynamics; subcooling levels ... See more keywords
Conformational heterogeneity and bubble dynamics in single bacterial transcription initiation complexes
Sign Up to like & getrecommendations! Published in 2018 at "Nucleic Acids Research"
DOI: 10.1093/nar/gkx1146
Abstract: Abstract Transcription initiation is a major step in gene regulation for all organisms. In bacteria, the promoter DNA is first recognized by RNA polymerase (RNAP) to yield an initial closed complex. This complex subsequently undergoes… read more here.
Keywords: transcription; dna; bubble dynamics; conformational heterogeneity ... See more keywords