Shock interacting with a random array of stationary particles underwater

Behrendt, Jacob; Balachandar, S.; McGrath, Thomas P.

doi:10.1103/physrevfluids.7.023401

Cited by 5 publications

(6 citation statements)

References 65 publications

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“…For simplicity, here we will assume that the internal energy of the particle + added mass (denoted by e) is uniform in the particle, leading to a single temperature T . 2 This assumption is compatible with [28], and is used to define the temperature difference T − T f that drives heat transfer between a particle and the surrounding fluid.…”

Section: Treatment Of Added Mass At the Mesoscalementioning

confidence: 99%

“…This coefficient controls the magnitude of the pfp pressure, which can have a strong implication on the spreading of the particles in the curtain, especially for high Mach numbers with large slip velocity. To investigate this model parameter, the first configuration has been simulated with different values of C p f p Table 6: Two configurations from [2] tested for a water shock in a fixed particle array. τ corresponds to the transit time d p /u s .…”

Section: Shock-induced Dispersal Of Particle Curtainsmentioning

confidence: 99%

“…The main particularity of a water shock compared to a gas shock is that the resulting post-shock Mach number is subsonic. The setup is based on the PRDNS study presented in [2] where a random array of fixed particles is defined in a part of the domain and a strong shock is initialized upstream of the array. In the model, the particle density is fixed at ρ p = 10 9 kg/m 3 to make sure that the position of the granular phase remains fixed.…”

Section: Appendix B Analytic Integration Of Source Termsmentioning

confidence: 99%

“…In [2], two Mach numbers and two volume fractions are simulated, leading to four configurations. Here, the two configurations, referred as LM10 and HM20, are tested and compared to the PRDNS results.…”

Section: Appendix B Analytic Integration Of Source Termsmentioning

confidence: 99%

“…These works have been followed up by numerical studies to assess different multiphase flow models [28,35,41]. More recently, these studies have been extended to hypersonic flows [54] and underwater shocks [2].…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

A Kinetic-Based Model for High-Speed, Monodisperse, Fluid–Particle Flows

Boniou¹,

Fox

Laurent³

2023

Preprint

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Section: Treatment Of Added Mass At the Mesoscalementioning

confidence: 99%

Section: Shock-induced Dispersal Of Particle Curtainsmentioning

confidence: 99%

Section: Appendix B Analytic Integration Of Source Termsmentioning

confidence: 99%

Section: Appendix B Analytic Integration Of Source Termsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

A Kinetic-Based Model for High-Speed, Monodisperse, Fluid–Particle Flows

Boniou¹,

Fox

Laurent³

2023

Preprint

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Experimental study on pressure evolution of detonation waves penetrating into water

Hou

Huang

et al. 2022

Physics of Fluids

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Propagation of detonation waves crossing the gas-liquid interface is a basic phenomenon worth studying for underwater detonation engines. In this work, the pressure evolution of detonation waves penetrating into water is theoretically and experimentally investigated. The one-dimensional shock wave theory is adopted to solve the pressure-velocity relations of the reflected and transmitted shock wave in different mediums. Experiments under different filling pressure are performed based on a two-phase shock tube system. Theoretical results show that the range of pressure rise ratios between the detonation and transmitted wave is 2.40-2.50. And its trend is determined by the total atoms number of fuel under low filling pressure, but dominated by the ratio of C/H atoms under high filling pressure. Experimental results demonstrate that pressure rise ratios are in good agreement with the theoretical values. There are similar attenuation laws (decay to 50% in 0.3ms) for subsequent pressure development after those two waves. Under the interface effect, the transmitted wave is stretched and the pressure zone becomes wider. The difference of acoustic impedance between two phases leads to wave property changes at the interface and exit. These changes result in the reciprocating cavitation zones and reformed shock waves in the water, greatly influencing the water pressure.

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Shock and contact interaction with a simple cubic array of particles

Briney,

Mehta,

Osborne

et al. 2024

Physics of Fluids

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Shock-particle interaction is a fundamental pillar of multiphase compressible flows that has been studied at length for many decades. However, little attention has been paid to the interaction of particles with a contact interface that follows a shock in shock tube experiments and applications relating to blast waves. Presently, the phenomenon is studied at the microscale via particle resolved simulations of shock contact systems interacting with a structured array of particles as well as isolated particles. Simulations are conducted at particle volume fractions of 0%, 5%, 10%, 20%, and 40% at three contact Mach numbers. Additionally, the diaphragm position is varied, which controls the timing of the shock arrival time in relation to the contact arrival time. The modification to the drag on these stationary particles by the contact is analyzed and compared to the compressible Maxey–Riley–Gatignol model, which is adequate for the single particle cases but does not account for fluid mediated particle–particle interactions.

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Shock interacting with a random array of stationary particles underwater

Cited by 5 publications

References 65 publications

A Kinetic-Based Model for High-Speed, Monodisperse, Fluid–Particle Flows

A Kinetic-Based Model for High-Speed, Monodisperse, Fluid–Particle Flows

Experimental study on pressure evolution of detonation waves penetrating into water

Shock and contact interaction with a simple cubic array of particles

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