Volumetric emission tomography for combustion processes

SJ Grauer, K Mohri, T Yu, H Liu, W Cai - Progress in Energy and …, 2023 - Elsevier
This is a comprehensive, critical, and pedagogical review of volumetric emission
tomography for combustion processes. Many flames that are of interest to scientists and …

A tutorial on the proper orthogonal decomposition

J Weiss - AIAA aviation 2019 forum, 2019 - arc.aiaa.org
This tutorial introduces the Proper Orthogonal Decomposition (POD) to engineering students
and researchers interested in its use in uid dynamics and aerodynamics. The objectives are …

Flow and aerodynamic noise control of a circular cylinder by local blowing

R Maryami, EJG Arcondoulis, Y Liu - Journal of Fluid Mechanics, 2024 - cambridge.org
In this experimental study, the impact of symmetric local blowing on suppressing the vortex-
induced noise of a circular cylinder was investigated. A highly instrumented cylinder with …

Unsteadiness in a large turbulent separation bubble

A Mohammed-Taifour, J Weiss - Journal of Fluid Mechanics, 2016 - cambridge.org
The unsteady behaviour of a massively separated, pressure-induced turbulent separation
bubble (TSB) is investigated experimentally using high-speed particle image velocimetry …

Cycle-to-cycle variation analysis of early flame propagation in engine cylinder using proper orthogonal decomposition

H Chen, M Xu, DLS Hung, H Zhuang - Experimental Thermal and Fluid …, 2014 - Elsevier
Experimental investigations on the cycle-to-cycle variations of early flame propagation were
conducted at two intake air swirl ratio of 0.55 and 5.68 in a single-cylinder spark-ignition …

Investigation into the cause of high multi-mode combustion instability of H2/CO/CH4 syngas in a partially premixed gas turbine model combustor

MC Lee, J Yoon, S Joo, J Kim, J Hwang… - Proceedings of the …, 2015 - Elsevier
In this paper, the fuel composition effects of H 2/CO/CH 4 syngas (0–100% for each
component gas) on the self-excited high multi-mode (mainly the 3rd and 4th with their …

Influence of flash boiling spray on the combustion characteristics of a spark-ignition direct-injection optical engine under cold start

J Yang, X Dong, Q Wu, M Xu - Combustion and Flame, 2018 - Elsevier
Flash boiling occurs when liquid fuel is injected into an ambient environment below its
saturation pressure. Compared to non-flash-boiling (liquid) spray, flash-boiling spray …

Dynamic analysis of the flow fields around single-and double-unit trains

XB Li, G Chen, Z Wang, XH Xiong, XF Liang… - Journal of Wind …, 2019 - Elsevier
With the increasing need for passenger transportation, the double-unit formation of high-
speed trains (HSTs) has been widely employed. However, the dynamic characteristics of the …

Complex aeroengine intake ducts and dynamic distortion

DG MacManus, N Chiereghin, DG Prieto, P Zachos - Aiaa Journal, 2017 - arc.aiaa.org
For many embedded engine systems, the intake duct geometry introduces flow distortion
and unsteadiness, which must be understood when designing the turbomachinery …

Numerical investigations on the beating behavior of self-excited combustion instability in a hydrogen-fueled Rijke type combustor

X Song, T Zhu, D Pan, Z Wang, C Ji, D Zhao - Aerospace Science and …, 2022 - Elsevier
Beating, a specific oscillation mode of combustion instability, occurred in a premixed
hydrogen fueled Rijke tube was investigated. A two-dimensional transient numerical model …