Phase offset mechanism on far-field radiation from multi-piston line sources and near-field acoustic energy density flux
Sign Up to like & getrecommendations! Published in 2020 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2019.107001
Abstract: Abstract Considering the relationship between the far-field radiation and the outflow of acoustic energy over the radiation surface, phase offset mechanism (POM) is proposed and analyzed in this paper. POM aims at controlling acoustic radiation… read more here.
Keywords: far field; acoustic energy; field; radiation ... See more keywords
A criterion for thermo-acoustic stability based on the flux of acoustic energy
Sign Up to like & getrecommendations! Published in 2021 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2021.01.014
Abstract: Abstract This paper introduces a conservative criterion for thermo-acoustic stability. By subdividing a thermo-acoustic system into a passive subsystem – containing no source of acoustic energy – and an active subsystem containing all sources, the… read more here.
Keywords: acoustic energy; thermo acoustic; stability; criterion ... See more keywords
Influence of acoustic energy on suppression of soot from acetylene diffusion flame
Sign Up to like & getrecommendations! Published in 2021 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2021.111455
Abstract: Abstract The effect of the energy of forced acoustics on the soot suppression from an acetylene-air diffusion flame is experimentally investigated. The acoustic energy is calculated by integrating the acoustic power in the positive period.… read more here.
Keywords: acoustic energy; energy; flame; suppression ... See more keywords
A novel triboelectric nanogenerator based on electrospun polyvinylidene fluoride nanofibers for effective acoustic energy harvesting and self-powered multifunctional sensing
Sign Up to like & getrecommendations! Published in 2019 at "Nano Energy"
DOI: 10.1016/j.nanoen.2018.11.041
Abstract: Abstract Acoustic energy is mostly wasted without a proper energy harvesting approach. In this work, an integrated triboelectric nanogenerator (TENG) with a polymer tube is constructed to harvest acoustic energy from the environment, which can… read more here.
Keywords: acoustic energy; triboelectric nanogenerator; self powered; energy ... See more keywords
The adequacy of energy deposition over thermodynamic behaviour in explaining the acoustic energy in bubble nucleation of superheated droplets
Sign Up to like & getrecommendations! Published in 2021 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2021.109578
Abstract: Abstract Sufficient amount of energy deposition through the energetic particles initiate bubble nucleation in the superheated liquid by producing the critical sized vapor bubble and subsequent growth of the bubble occurs by emitting the acoustic… read more here.
Keywords: acoustic energy; bubble nucleation; nucleation; energy deposition ... See more keywords
Broadband acoustic energy harvesting metasurface with coupled Helmholtz resonators
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5041731
Abstract: We report a broadband acoustic energy harvesting metasurface consisting of periodic arrangements of coupled Helmholtz resonators. Theoretical analysis and numerical and experimental results show that a high output voltage can be obtained at a wide… read more here.
Keywords: energy harvesting; acoustic energy; broadband acoustic; harvesting metasurface ... See more keywords
Analysis and prediction of shock formation in acoustic energy transfer systems
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Physics"
DOI: 10.1063/5.0026645
Abstract: Losses associated with nonlinear wave propagation and exhibited by acoustic wave distortion and shock formation compromise the efficiency of contactless acoustic energy transfer systems. As such, predicting the shock formation distance and its dependence on… read more here.
Keywords: shock formation; energy transfer; transfer systems; formation ... See more keywords
Broadband, large scale acoustic energy harvesting via synthesized electrical load: I. Harvester design and model
Sign Up to like & getrecommendations! Published in 2019 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/ab114a
Abstract: With the rise of Internet-of-Things and connected devices, the need for self-powered wireless sensor nodes is ever increasing. One promising technology for self-powered sensor nodes in noisy environments is acoustic energy harvesting: deriving energy from… read more here.
Keywords: acoustic energy; model; large scale; energy ... See more keywords
Transition from Boundary-Driven to Bulk-Driven Acoustic Streaming Due to Nonlinear Thermoviscous Effects at High Acoustic Energy Densities.
Sign Up to like & getrecommendations! Published in 2023 at "Physical review letters"
DOI: 10.1103/physrevlett.130.044001
Abstract: Acoustic streaming at high acoustic energy densities E_{ac} is studied in a microfluidic channel. It is demonstrated theoretically, numerically, and experimentally with good agreement that frictional heating can alter the streaming pattern qualitatively at high… read more here.
Keywords: acoustic streaming; energy densities; boundary driven; high acoustic ... See more keywords
Acoustic Energy Controlled Nanoparticle Aggregation for Nanotherapy
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2019.2956043
Abstract: Patients with unresectable or nonablatable tumors are difficult to cure, but nanotherapy combining targeted nanoparticles has many severe side effects due to the toxicities of anticancer drugs. We found that acoustic energy can produce a… read more here.
Keywords: acoustic energy; energy controlled; nanoparticle aggregation; energy ... See more keywords
Spatially shaped acoustic transducer arrays
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/2.0000634
Abstract: A shaped acoustic beam pattern that directs acoustic energy in the ± 45° direction with depressed acoustic energy at 0° is described. The shape of the beam pattern is controlled by area shading and the… read more here.
Keywords: acoustic transducer; spatially shaped; acoustic energy; transducer arrays ... See more keywords