Fernando Zigunov
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View article: Time-averaged density tomography of non-axisymmetric jets with a rotating nozzle and telecentric, single-camera BOS
Time-averaged density tomography of non-axisymmetric jets with a rotating nozzle and telecentric, single-camera BOS Open
In this article, a method for density tomography using a telecentric BOS setup coupled with a motorized, rotating nozzle will be described. The telecentric optics allow for the disentanglement of the ray path integral and density gradient …
View article: Investigation of Passive Flow Control Mechanisms on a Supersonic Shock-Shear Layer Interaction in a Multi-Stream Rectangular Nozzle
Investigation of Passive Flow Control Mechanisms on a Supersonic Shock-Shear Layer Interaction in a Multi-Stream Rectangular Nozzle Open
Within an experimental rectangular multi-aperture supersonic nozzle an undesirable vortex shedding instability forms at the trailing edge of a plate separating the core flow (Mach = 1.6) and bypass flow (M = 1.0). This instability generate…
View article: Pressure Field Reconstruction with SIREN: A Mesh-Free Approach for Image Velocimetry in Complex Noisy Environments
Pressure Field Reconstruction with SIREN: A Mesh-Free Approach for Image Velocimetry in Complex Noisy Environments Open
This work presents a novel approach for pressure field reconstruction from image velocimetry data using SIREN (Sinusoidal Representation Network), emphasizing its effectiveness as an implicit neural representation in noisy environments and…
View article: One-shot omnidirectional pressure integration through matrix inversion
One-shot omnidirectional pressure integration through matrix inversion Open
In this work, we present a method to perform 2D and 3D omnidirectional pressure integration from velocity measurements with a single-iteration matrix inversion approach. This work builds upon our previous work, where the rotating parallel …
View article: One-Shot Omnidirectional Pressure Integration Through Matrix Inversion
One-Shot Omnidirectional Pressure Integration Through Matrix Inversion Open
In this work, we present a method to perform 2D and 3D omnidirectional pressure integration from velocity measurements with a single-iteration matrix inversion approach. This work builds upon our previous work, where the rotating parallel …
View article: Corrigendum: A fast, matrix-based method to perform omnidirectional pressure integration (2024 Meas. Sci. Technol. 35 065302)
Corrigendum: A fast, matrix-based method to perform omnidirectional pressure integration (2024 Meas. Sci. Technol. 35 065302) Open
This is a correction for Meas. Sci. Technol. 35 065302
View article: A fast, matrix-based method to perform omnidirectional pressure integration
A fast, matrix-based method to perform omnidirectional pressure integration Open
Experimentally-measured pressure fields play an important role in understanding many fluid dynamics problems. Unfortunately, pressure fields are difficult to measure directly with non-invasive, spatially resolved diagnostics, and calculati…
View article: One-shot omnidirectional pressure integration through matrix inversion
One-shot omnidirectional pressure integration through matrix inversion Open
In this work, we present a method to perform 2D and 3D omnidirectional pressure integration from velocity measurements with a single-iteration matrix inversion approach. This work builds upon our previous work, where the rotating parallel …
View article: Matrix-based Omnidirectional Pressure Integratio
Matrix-based Omnidirectional Pressure Integratio Open
This software enables the calculation of the pressure field based on experimental velocity measurements utilizing the matrix-based omnidirectional pressure integration algorithm developed by Dr. John Charonko and Dr. Fernando Zigunov, whic…
View article: Surface Properties of Double-Fin Generated Shock-Wave/Boundary-Layer Interactions
Surface Properties of Double-Fin Generated Shock-Wave/Boundary-Layer Interactions Open
Shock-Wave/Boundary-Layer Interaction (SBLI) is ubiquitous in high-speed air vehicles. SBLI surface flowfield properties of crossing shocks induced by symmetric Double-Fins (DFs) at fin angles of 8° and 10° at Mach 2 are experimentally inv…
View article: A fast, matrix-based method to perform omnidirectional pressure integration
A fast, matrix-based method to perform omnidirectional pressure integration Open
Experimentally-measured pressure fields play an important role in understanding many fluid dynamics problems. Unfortunately, pressure fields are difficult to measure directly with non-invasive, spatially resolved diagnostics, and calculati…
View article: A continuously scanning spatiotemporal averaging method for obtaining volumetric mean flow measurements with stereoscopic PIV
A continuously scanning spatiotemporal averaging method for obtaining volumetric mean flow measurements with stereoscopic PIV Open
In this study, a variation of the stacked stereo-scopic PIV technique is proposed to perform fully volumetric (3-dimensions, 3-components) measurements of average flow fields within a single experiment through the usage of an automated tra…
View article: Volumetric measurements of the flow over a slanted cylinder
Volumetric measurements of the flow over a slanted cylinder Open
Thank you for the interest in the experimental data set used in my dissertation! This data set was acquired during my PhD dissertation work, published in 2020. For details of the acquisition and interpretation, please check the dissertatio…
View article: Volumetric measurements of the flow over a slanted cylinder
Volumetric measurements of the flow over a slanted cylinder Open
Thank you for the interest in the experimental data set used in my dissertation! This data set was acquired during my PhD dissertation work, published in 2020. For details of the acquisition and interpretation, please check the dissertatio…