Early detection of thermoacoustic instability in a solid rocket motor: A generative adversarial network approach with limited data
Thermoacoustic instability (TAI) poses a significant challenge to the development of solid
rocket motor (SRM) and detecting early warning signals (EWS) for TAI is crucial. Deep …
rocket motor (SRM) and detecting early warning signals (EWS) for TAI is crucial. Deep …
Two spiral vortex breakdowns in confined swirling flow
M Tsoy, S Skripkin, I Litvinov - Physics of Fluids, 2023 - pubs.aip.org
Two different scenarios of spiral vortex breakdown are observed experimentally and further
investigated numerically in the swirl flow into a conical diffuser. The primary spiral vortex …
investigated numerically in the swirl flow into a conical diffuser. The primary spiral vortex …
Early detection of Hopf bifurcation in a solid rocket motor via transfer learning
Hopf bifurcation, a prevalent phenomenon in solid rocket motors (SRMs), signifies a critical
transition from a fixed point to a limit cycle. The detection of early warning signals (EWSs) for …
transition from a fixed point to a limit cycle. The detection of early warning signals (EWSs) for …
Effects of velocity regularization on neural network performance in processing particle images
Recent studies have witnessed remarkable progress in harnessing convolutional neural
networks (CNNs) to overcome the inherent limitations of conventional particle image …
networks (CNNs) to overcome the inherent limitations of conventional particle image …
High-resolution velocity determination from particle images via neural networks with optical flow velocimetry regularization
Particle image velocimetry (PIV) and optical flow velocimetry (OFV) are important velocity
measurement methods in the field of fluid dynamics. Nevertheless, the conventional cross …
measurement methods in the field of fluid dynamics. Nevertheless, the conventional cross …
Experimental study of flow dynamics in a dual-stage annular swirling jet
Y Zhou, A Rinoshika - Physics of Fluids, 2024 - pubs.aip.org
In this study, three-dimensional flow structures at a Reynolds number of 16 000 are
measured by stereoscopic particle image velocimetry to reveal the dynamic structures of a …
measured by stereoscopic particle image velocimetry to reveal the dynamic structures of a …
Cross-correlation-based convolutional neural network with velocity regularization for high-resolution velocimetry of particle images
Particle image velocimetry (PIV) stands as a pivotal experimental technique in fluid
dynamics, enabling the visualization and analysis of fluid flows. Traditional methods for …
dynamics, enabling the visualization and analysis of fluid flows. Traditional methods for …
Impact of density stratification and azimuthal velocity on the growth of coherent structures in a convectively unstable swirl flame
Large-scale coherent structures resulting from hydrodynamic instabilities can interact with
turbulent swirl flames and lead to combustion instabilities. The present work investigates the …
turbulent swirl flames and lead to combustion instabilities. The present work investigates the …