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 …

Unsteady cavitation dynamics and pressure statistical analysis of a hydrofoil using the compressible cavitation model

X Zhao, Z Wang, X Bai, H Cheng, B Ji - Physics of Fluids, 2023 - pubs.aip.org
A compressible cavitation model is developed in this paper, in which the bubble wall velocity
is obtained by solving the compressible Rayleigh–Plesset (R–P) equation. Additionally …

[HTML][HTML] Enhanced nucleate boiling of Novec 649 on thin metal foils via laser-induced periodic surface structures

M Zupančič, D Fontanarosa, M Može, M Bucci… - Applied Thermal …, 2024 - Elsevier
The low boiling temperature of dielectric fluids makes them suitable for satisfying the cooling
requirements of advanced high-energy-density devices commonly found in microelectronics …

Investigation on cavitation initiation in jet pump cavitation reactors with special emphasis on two mechanisms of cavitation initiation

S Xu, J Wang, B Cai, H Cheng, B Ji, Z Zhang… - Physics of …, 2022 - pubs.aip.org
Hydrodynamic cavitation is used in various engineering fields, such as water treatment and
chemical processing. Cavitation initiation is critical to assessing the cavitation effect in …

Investigation on multiscale features of cavitating flow in convergent-divergent test section using Eulerian–Lagrangian method

Z Wang, L Li, X Li, Z Zhu, S Yang, G Yang - International Journal of …, 2023 - Elsevier
Cavitating flows in fluid machineries always present complicated phase morphologies
including a wide range of interface length scales. In the present work, an Eulerian …

Experimental investigation of wall-pressure fluctuations in compressible turbulent cavitating flows with emphasis on non-Gaussian features

C Wang, G Wang, M Zhang, B Huang - Experimental Thermal and Fluid …, 2022 - Elsevier
An accurate probabilistic representation of pressure fluctuations in attached turbulent
cavitating flows, especially under strong unsteady cavity regimes, ie, cloud cavitation, is …

Impact of cryogenics on cavitation through an orifice: a review

C Esposito, J Steelant, MR Vetrano - Energies, 2021 - mdpi.com
Cryogenic cavitation affects the operation of liquid propulsion systems during the first phase
of a launch. Its effects within orifices or turbopumps can range from mild instabilities to …

[HTML][HTML] MODULO: A software for Multiscale Proper Orthogonal Decomposition of data

D Ninni, MA Mendez - SoftwareX, 2020 - Elsevier
In the era of the Big Data revolution, methods for the automatic discovery of regularities in
large datasets are becoming essential tools in applied sciences. This article presents an …

Orifice flow dynamics in a rocket injector as an excitation source of injector-driven combustion instabilities

M Son, M Börner, W Armbruster, JS Hardi - Aerospace, 2023 - mdpi.com
To investigate a hypothesis of the orifice flow-induced instability in rocket engine thrust
chambers, a single liquid oxygen (LOX) injector with an optically accessible orifice module …

Experimental investigation of the flow control over an airfoil with owl-inspired trailing-edge modification: On the material, length, and spacing sensitivity

Z Deng, Z Yang, WL Chen - Physics of Fluids, 2023 - pubs.aip.org
We experimentally investigate the effect of material, length, and spacing of trailing-edge
extensions on controlling the flow over an airfoil based on our recent experimental work …