Uncertainty quantification in particle image velocimetry

A Sciacchitano - Measurement Science and Technology, 2019 - iopscience.iop.org
Particle image velocimetry (PIV) has become the chief experimental technique for velocity
field measurements in fluid flows. The technique yields quantitative visualizations of the …

Linear and nonlinear dimensionality reduction from fluid mechanics to machine learning

MA Mendez - Measurement Science and Technology, 2023 - iopscience.iop.org
Dimensionality reduction is the essence of many data processing problems, including
filtering, data compression, reduced-order modeling and pattern analysis. While traditionally …

Machine learning approach for flow fields over a circular cylinder based on particle image velocimetry measurements

MH Aksoy, I Goktepeli, M Ispir, A Cakan - Measurement, 2023 - Elsevier
Flow around a circular cylinder has been experimentally studied at Reynolds numbers of
Re= 4× 10 3 and Re= 8× 10 3 using Particle Image Velocimetry (PIV). The Artificial Neural …

Adaptive separation control of a laminar boundary layer using online dynamic mode decomposition

EA Deem, LN Cattafesta III, MS Hemati… - Journal of Fluid …, 2020 - cambridge.org
Adaptive control of flow separation based on online dynamic mode decomposition (DMD) is
formulated and implemented on a canonical separated laminar boundary layer via a pulse …

Gappy spectral proper orthogonal decomposition

A Nekkanti, OT Schmidt - Journal of Computational Physics, 2023 - Elsevier
Experimental spatio-temporal flow data often contain gaps or other types of undesired
artifacts. To reconstruct flow data in the compromised or missing regions, a data completion …

Dynamics and mechanisms of pressure, heat release rate, and fuel spray coupling during intermittent thermoacoustic oscillations in a model aeronautical combustor at …

S Kheirkhah, JDM Cirtwill, P Saini, K Venkatesan… - Combustion and …, 2017 - Elsevier
Dynamics of thermoacoustics oscillations occurring in a liquid fueled aeronautical gas
turbine model combustor burning Jet A fuel were investigated experimentally at a pressure …

Flow visualization: state-of-the-art development of micro-particle image velocimetry

A Etminan, YS Muzychka, K Pope… - Measurement …, 2022 - iopscience.iop.org
Experimental flow visualization is a valuable tool for analyzing microfluidics and nanofluidics
in a wide variety of applications. Since the late 1990s, considerable advances in optical …

A hybrid method based on proper orthogonal decomposition and deep neural networks for flow and heat field reconstruction

X Zhao, X Chen, Z Gong, W Yao, Y Zhang - Expert Systems with …, 2024 - Elsevier
Estimating the full state of physical systems, including thermal and flow status, from sparse
measurements of limited sensors is a critical technology for perception and control. Neural …

Flowfield reconstruction in a supersonic isolator based on proper orthogonal decomposition and sensor compression coupling under variable Mach numbers

K Wang, C Kong, L Wang, J Chang - Physics of Fluids, 2024 - pubs.aip.org
The supersonic inflow passes through the shock train in the isolator of the scramjet to
complete deceleration and pressurization, followed by combustion and energy release …

Prediction of pressure fields on cavitation hydrofoil based on improved compressed sensing technology

Y Sha, Y Xu, Y Wei, C Wang - Physics of Fluids, 2024 - pubs.aip.org
In the face of mounting economic constraints, researchers are increasingly turning to data-
driven methods for reconstructing unknown global fields from limited data. While traditional …