Thermoacoustic waves along the critical isochore

Shen, Biao; Zhang, P.

doi:10.1103/physreve.83.011115

Cited by 29 publications

(8 citation statements)

References 36 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The equations were first solved by Zappoli et al [4] and the essence of the PE can be captured by this model [31]. Afterwards this model was mainly used to investigate the nature of thermoacoustic waves [18,19,38]. This model can give an accurate description of the PE but involves complicated and heavy computations.…”

Section: Mathematical Model and Numerical Methodsmentioning

confidence: 99%

“…Shen and Zhang studied the thermoacoustic waves emission, propagation and reflection under different temperature boundary conditions by solving the governing hydrodynamic equations [18]. Besides, they studied the thermoacoustic waves emission under internal and boundary thermal disturbance [19]. Hasan and Farouk also studied the thermoacoustic waves generation under different boundary heating rate using a real-fluid CFD model [20].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Numerical simulations of the piston effect for near-critical fluids in spherical cells under small thermal disturbance

Zhang

2016

International Journal of Thermal Sciences

View full text Add to dashboard Cite

Near the liquid-vapor critical point, strong anomalies in thermodynamic and transport properties induce the piston effect. In the present study, the piston effect is investigated in spherical cells filled with near-critical fluids under zero gravity and small thermal disturbance conditions by numerically solving the thermodynamic model. The results show typical fast-responding bulk temperature, together with high and stable temperature efficiency, which is determined by the particular nature of near-critical fluids. Particularly, a nondimensionalization method is developed to study the influences of the specific heat ratio on the piston effect by simulations for eight near-critical fluids. Results show the specific heat ratio is an efficient indicator, which is negatively correlated with the nondimensional bulk temperature change. The influences of the characteristic length and the boundary conditions on the piston effect are also studied for near-critical carbon dioxide.

show abstract

Section: Mathematical Model and Numerical Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Numerical simulations of the piston effect for near-critical fluids in spherical cells under small thermal disturbance

Zhang

2016

International Journal of Thermal Sciences

View full text Add to dashboard Cite

show abstract

“…These EOSs consider the fluid composed by a mixture of heavy nuclei, alpha particles, photons, neutrons and protons. Several families of EOS are available including all these conditions: LS [163], STOS [164,165,166], FYSS [167,168], HS [169], SFH [170] and SHO/SHT [171,172]. Additional de-tails of those EOS and their variants can be found in the recent review by [173] and on Chapter 6.…”

Section: Numerical Modellingmentioning

confidence: 99%

Neutron Stars Formation and Core Collapse Supernovae

Cerdá–Durán

Elias‐Rosa

2018

The Physics and Astrophysics of Neutron Stars

View full text Add to dashboard Cite

In the last decade there has been a remarkable increase in our knowledge about core-collapse supernovae (CC-SNe), and the birthplace of neutron stars, from both the observational and the theoretical point of view. Since the 1930's, with the first systematic supernova search, the techniques for discovering and studying extragalactic SNe have improved. Many SNe have been observed, and some of them, have been followed through efficiently and with detail. Furthermore, there has been a significant progress in the theoretical modelling of the scenario, boosted by the arrival of new generations of supercomputers that have allowed to perform multidimensional numerical simulations with unprecedented detail and realism. The joint work of observational and theoretical studies of individual SNe over the whole range of the electromagnetic spectrum has allowed to derive physical parameters, which constrain the nature of the progenitor, and the composition and structure of the star's envelope at the time of the explosion. The observed properties of a CC-SN are an imprint of the physical parameters of the explosion such as mass of the ejecta, kinetic energy of the explosion, the mass loss rate, or the structure of the star before the explosion. In this chapter, we review the current status of SNe observations and theoretical modelling, the connection with their progenitor stars, and the properties of the neutron stars left behind.

show abstract

“…During the last decade many experimental and theoretical works were devoted to study the energy lost by atomic projectiles after grazingly colliding with crystal surfaces under axial surface channeling conditions, i.e. impinging along low indexed crystallographic directions [1][2][3][4]. Recently the subject has attracted renewed attention as a consequence of the experimental observation of fast atom diffraction (FAD) from crystal surfaces [5,6], where energy loss processes are considered to play an important role against quantum coherence [7].…”

Section: Introductionmentioning

confidence: 99%

Trajectory-dependent energy loss for swift He atoms axially scattered off a silver surface

Rubiano

Bocan

Juaristi

et al. 2014

Nuclear Instruments and Methods in Physics Research Section B:

View full text Add to dashboard Cite

Angle-and energy-loss-resolved distributions of helium atoms grazingly scattered from a Ag(110) surface along low indexed crystallographic directions are investigated considering impact energies in the few keV range. Final projectile distributions are evaluated within a semi-classical formalism that includes dissipative effects due to electron-hole excitations through a friction force. For monoenergetic beams impinging along the [110], [112] and [110] directions, the model predicts the presence of multiple peak structures in energy-loss spectra. Such structures provide detailed information about the trajectory-dependent energy loss. However, when the experimental dispersion of the incident beam is taken into account, these energy-loss peaks are completely washed out, giving rise to a smooth energy-loss distribution, in fairly good agreement with available experimental data.

show abstract

Thermoacoustic waves along the critical isochore

Cited by 29 publications

References 36 publications

Numerical simulations of the piston effect for near-critical fluids in spherical cells under small thermal disturbance

Numerical simulations of the piston effect for near-critical fluids in spherical cells under small thermal disturbance

Neutron Stars Formation and Core Collapse Supernovae

Trajectory-dependent energy loss for swift He atoms axially scattered off a silver surface

Contact Info

Product

Resources

About