Assessment of streamline-based pressure reconstruction for PIV data in supersonic flows with shock waves
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DOI: 10.1007/s00348-020-02999-3
Abstract: Abstract In this paper, a streamline-based (SLB) pressure reconstruction method for particle image velocimetry (PIV) data, which has great potential to reduce the error propagation across relatively strong shock wave (compared with the conventional spatial… read more here.
Keywords: pressure reconstruction; supersonic flows; streamline; shock waves ... See more keywords
Numerical simulation of liquid droplet breakup in supersonic flows
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DOI: 10.1016/j.actaastro.2018.01.010
Abstract: Abstract A five-equation model based on finite-difference frame was utilized to simulate liquid droplet breakup in supersonic flows. To enhance the interface-capturing quality, an anti-diffusion method was introduced as a correction of volume-fraction after each… read more here.
Keywords: supersonic flows; breakup supersonic; droplet breakup; droplet ... See more keywords
Mixing enhancement strategies and their mechanisms in supersonic flows: A brief review
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DOI: 10.1016/j.actaastro.2018.02.022
Abstract: Abstract Achieving efficient fuel-air mixing is a crucial issue in the design of the scramjet engine due to the compressibility effect on the mixing shear layer growth and the stringent flow residence time limitation induced… read more here.
Keywords: supersonic flows; mixing enhancement; enhancement strategies; streamwise vortices ... See more keywords
Streamwise vortex breakdown in supersonic flows
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DOI: 10.1063/1.4982901
Abstract: Transition processes in supersonic streamwise vortices with wake flows are numerically simulated for Mach numbers from 1.5 to 5.0. This paper discusses the effect of an axial velocity deficit on the breakdown for a fixed… read more here.
Keywords: breakdown supersonic; supersonic flows; mach; breakdown ... See more keywords
On Recirculation Region Length of Suddenly Expanded Supersonic Flows, Using CFD and Fuzzy Logic
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DOI: 10.1080/10618562.2020.1828580
Abstract: This paper aims to introduce the core features of the Fuzzy Logic (FL) approach in simulations of turbulent Supersonic flows as a cost-effective methodology. Computational Fluid Dynamic (CFD) analysis is conducted to study the effect… read more here.
Keywords: fuzzy logic; supersonic flows; region length; recirculation region ... See more keywords
Simulation of supersonic flows on the basis of splitting algorithms
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Mechanics and Technical Physics"
DOI: 10.1134/s0021894417050054
Abstract: For the numerical simulation of aerodynamics problems, the Euler and Navier — Stokes equations written in integral form are used to construct an implicit finite-volume predictor-corrector scheme. At the predictor stage, the splitting of equations… read more here.
Keywords: supersonic flows; splitting algorithms; flows basis; basis splitting ... See more keywords