Modal analysis of mixing characteristics in scramjet combustor with passive struts

PP Nair, A Suryan, V Narayanan - International Journal of Hydrogen Energy, 2022 - Elsevier
The combustion occurs at supersonic velocities in a scramjet engine. Since the mixing and
combustion take place at high velocities, analyzing the mixing of air and fuel in the engine is …

Time-resolved particle image velocimetry measurements and proper orthogonal decomposition analysis of unsteady flow in a centrifugal impeller passage

B Chen, X Li, Z Zhu - Frontiers in Energy Research, 2022 - frontiersin.org
Time-resolved particle image velocimetry (TR-PIV) measurements were conducted to
analyze the unsteady flow field developing in a centrifugal pump. The flow structures in the …

Modal analysis of EHD jets through the SVD-based POD technique

Z Yan, J Gong, C Louste, J Wu - Journal of Electrostatics, 2023 - Elsevier
An EHD flow has complex characteristics with superimposed characteristic structures of
various scales due to the coupling effect of the electric and flow fields. This paper provides a …

Dynamics of the forced wake of a square cylinder with embedded flapping jets

X Chang, WL Chen, Y Huang, D Gao - Applied Ocean Research, 2022 - Elsevier
The dynamics of the wake of a square cylinder forced with active flapping jets located at its
rear surface were experimentally investigated at different jet momentum coefficients (C u) …

Short-time proper orthogonal decomposition of time-resolved schlieren images for transient jet screech characterization

HD Lim, XF Wei, B Zang, US Vevek, R Mariani… - Aerospace Science and …, 2020 - Elsevier
Abstract Short-time Proper Orthogonal Decomposition (POD) is proposed as an image-
based technique to study the transient jet screech characteristics of moderately under …

Effects of velocity ratio on dynamics of sand-water coaxial jets

F Sharif, AH Azimi - International Journal of Multiphase Flow, 2021 - Elsevier
Detailed laboratory experiments were performed to study the dynamics and mixing
properties of vertically discharged sand-water coaxial jets in stagnant water. The effects of …

Observations of a sweeping jet actuator for flow separation control of a backward-facing ramp

HD Lim, Z Lyu - Physical Review Fluids, 2021 - APS
Flow separation control of a sweeping jet actuator in a backward-facing ramp was studied
using two-dimensional and stereoscopic particle-image velocimetry. The actuator was …

Experimental study of sand-water swirling jets in stagnant water

F Sharif, AH Azimi - Experiments in Fluids, 2022 - Springer
A series of laboratory experiments was conducted to study particle dynamics and flow
characteristics of vertically discharged sand-water swirling jets in stagnant water. The effects …

Dynamics of Sand–Water Coaxial Jets in Stagnant Water

F Sharif, AH Azimi - Journal of Engineering Mechanics, 2024 - ascelibrary.org
A series of laboratory experiments was conducted to study the dynamics of sand–water
coaxial jets in stagnant water. The effects of the velocity ratio of the annular to the core jets …

Flow characteristics of dielectric barrier discharge plasma actuator array in burst mode

Y Wang, C Gao, Y Wang - AIAA Journal, 2021 - arc.aiaa.org
To understand the fundamental physics of dielectric barrier discharge (DBD) actuator array
for flow control, the flowfield induced by two successive DBD actuators is investigated under …