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Numerical investigation of shock interaction with one-dimensional transverse array of particles in air

Journal Article · · Journal of Applied Physics
DOI:https://doi.org/10.1063/1.4943616· OSTI ID:1468533
 [1];  [2];  [3];  [2]
  1. Univ. of Florida, Gainesville, FL (United States). Dept. of Mechanical and Aerospace Engineering; University of Florida
  2. Univ. of Florida, Gainesville, FL (United States). Dept. of Mechanical and Aerospace Engineering
  3. Florida Inst. of Technology, Melbourne, FL (United States). Dept. of Mechanical and Aerospace Engineering

In this work, we present numerical simulations of shock propagation in air over a one-dimensional transverse array of particles. Simulations are carried out by varying the particle spacing and shock Mach number. We compute the unsteady inviscid drag coefficient as a function of time and make relevant comparisons to that for a single particle. We find that deviations in the drag coefficient in time from that of a single particle can be correlated to the acoustic-particle interaction time. Finally, we investigate and classify the interaction of the bow shocks in front of the transverse array of particles.

Research Organization:
Univ. of Florida, Gainesville, FL (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); Defense Threat Reduction Agency (DTRA)
Grant/Contract Number:
NA0002378
OSTI ID:
1468533
Alternate ID(s):
OSTI ID: 1241422
OSTI ID: 22596882
Journal Information:
Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 10 Vol. 119; ISSN JAPIAU; ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (8)

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Investigation of mechanisms leading to water drop breakup at Mach 4.4 and Weber numbers above 105 journal December 2019
Propagation of a strong shock over a random bed of spherical particles journal January 2018
Interaction of a shock wave with multiple spheres suspended in different arrangements journal March 2018
A mesoscale study on explosively dispersed granular material using direct simulation journal June 2019
Modeling of particle cloud dispersion in compressible gas flows with shock waves journal February 2020
A sharp interface Cartesian grid method for viscous simulation of shocked particle-laden flows journal July 2017
Propagation of a Strong Shock Over a Random Bed of Spherical Particles report April 2017

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