Combustor technology of high temperature rise for aero engine

Q Zeng, X Chen - Progress in Aerospace Sciences, 2023 - Elsevier
The development of advanced military aero-engines with high thrust-to-weight ratios
requires high-temperature-rise (HTR) technology for core component combustors. This …

Principles of non-intrusive diagnostic techniques and their applications for fundamental studies of combustion instabilities in gas turbine combustors: A brief review

C Ruan, F Chen, W Cai, Y Qian, L Yu, X Lu - Aerospace Science and …, 2019 - Elsevier
Combustion instabilities are often manifested in modern fuel-lean gas turbine combustors.
Investigating the mechanisms and developing control strategies for combustion instabilities …

Aerodynamic effect on atomization characteristics in a swirl cup airblast fuel injector

C Fang, Y Liu, S Wang, C Liu, F Liu, J Yang, K Wang… - Physics of …, 2023 - pubs.aip.org
To investigate the influence of swirling air flow field on the spray characteristics and the
droplet behaviors of the swirl cup airblast fuel injector, a single swirler cup and a double …

Characterization of spray parameters and flame stability in two modified nozzle configurations of the SpraySyn burner

S Karaminejad, SML Dupont, M Bieber… - Proceedings of the …, 2023 - Elsevier
One of the key parameters for spray-flame synthesis of nanoparticles with defined properties
is the temporal flame stability. Flame pulsation and consequently flame stability strongly …

Experimental investigation of the ignition process in a separated dual-swirl spray flame

S Yang, C Zhang, Y Lin, X Xue, X Gan - Combustion and Flame, 2020 - Elsevier
Centrally staged lean premixed pre-evaporation combustion technology has been used in
aero engines for its capability in effectively reducing NOx emissions while still providing …

An investigation of air-swirl design criteria for gas turbine combustors through a multi-objective CFD optimization

MM Torkzadeh, F Bolourchifard, E Amani - Fuel, 2016 - Elsevier
In this study, the non-premixed swirl-stabilized flame in a gas turbine combustor is
simulated. For this purpose, first, an efficient model for the simulation of combusting flow in …

Experimental investigation on spark ignition of multi-swirl spray flames under sub-atmospheric pressures and low temperatures

Q Zhao, F Liu, S Wang, J Yang, C Liu, Y Mu, G Xu… - Fuel, 2022 - Elsevier
Altitude relight is an increasingly important issue limiting the development of low-emission
combustors due to the current trend towards lean combustion. This paper experimentally …

Effect of the ignition location on lean light-off limits for a gas turbine combustor

X Wang, Y Huang, Y Liu, L Sun - Combustion and Flame, 2022 - Elsevier
The ignition performance of the spray flame is an important safety parameter in a gas turbine
combustor. Previous studies have shown that the spark axial location has a significant …

Experimental study on effects of prefilming and non-prefilming atomization on the combustion characteristics in a realistic full annular combustor

Z Wang, S Chen, K Gong, W Fan, C Li - Fuel, 2023 - Elsevier
The interaction between liquid fuel and the walls poses a major challenge to using the
airblast atomizer in the combustor of an advanced aero-engine because the mechanism of …

Predicting the Sauter mean diameter of swirl cup airblast fuel injector based on backpropagation (BP) neural network model

C Fang, F Liu, J Yang, S Wang, C Liu, Y Mu, G Xu… - ACS …, 2023 - ACS Publications
This study was dedicated to introducing a new method for predicting the Sauter mean
diameter (SMD) buildup in the swirl cup airblast fuel injector. There have been considerable …