Large scale instabilities in coaxial air-water jets with annular air swirl

A Kumar, S Sahu - Physics of Fluids, 2019 - pubs.aip.org
The aim of this paper is to characterize large-scale instabilities during the primary breakup
process in liquid centered coaxial air-water jets. The interest here is to investigate the role of …

Liquid jet disintegration memory effect on downstream spray fluctuations in a coaxial twin-fluid injector

A Kumar, S Sahu - Physics of Fluids, 2020 - pubs.aip.org
This paper intends to investigate the influence of unsteadiness in the liquid jet disintegration
process on downstream fluctuations of spray characteristics in a coaxial twin-fluid injector …

Proper orthogonal decomposition of primary breakup and spray in co-axial airblast atomizers

G Charalampous, C Hadjiyiannis, Y Hardalupas - Physics of Fluids, 2019 - pubs.aip.org
The primary atomization of a liquid jet by a coaxial stream of high speed gas is analyzed by
means of Proper Orthogonal Decomposition (POD) for gas to liquid momentum ratios (MR) …

Influence of alternative fuel properties and combustor operating conditions on the nvPM and gaseous emissions produced by a small-scale RQL combustor

J Harper, E Durand, P Bowen, D Pugh, M Johnson… - Fuel, 2022 - Elsevier
Abstract Non-volatile Particulate Matter (nvPM) from aircraft gas turbine engines are harmful
to both human health and the environment, but can be significantly reduced by using low …

Effects of aspect ratio on the flow development of rectangular liquid jets issued into stagnant air

M Tadjfar, A Jaberi - International Journal of Multiphase Flow, 2019 - Elsevier
The flow development and instability characteristics of rectangular liquid jets were
experimentally and theoretically investigated. Rayleigh's classical analysis for estimating …

Synthesis of aviation fuel from bio-derived isophorone

CF Ryan, CM Moore, JH Leal… - Sustainable Energy & …, 2020 - pubs.rsc.org
Using photochemical [2+ 2] cycloaddition, a cyclobutane dione was generated from
isophorone, a condensate of bio-acetone. Hydrodeoxygenation of the dione yielded a …

Experiments on atomization and spray characteristics of an effervescent strut injector

M Chakraborty, A Vaidyanathan, SLN Desikan - Physics of Fluids, 2021 - pubs.aip.org
The atomization and the spray characteristics from an effervescent/aerated strut injector
were studied experimentally using water as the liquid and nitrogen gas as the secondary …

Experimental investigation of the effect of biodiesel blends on a DI diesel engine's injection and combustion

DN Tziourtzioumis, AM Stamatelos - Energies, 2017 - mdpi.com
Differences in the evolution of combustion in a single cylinder, DI (direct injection) diesel
engine fuelled by B20 were observed upon processing of the respective indicator diagrams …

High-speed digital off-axis holography to study atomization and evaporation of burning droplets

L Yao, L Yu, X Lin, Y Wu, J Chen, C Zheng, X Wu… - Combustion and …, 2021 - Elsevier
Droplet formation and evaporation are key processes of spray combustion, the mechanism
of which is yet not fully understood. In this study, we develop a method based on high-speed …

Spray atomization and links to flame stability over a range of weber numbers and pressure ratios

G Singh, K Jayanandan, A Kourmatzis, AR Masri - Energy & Fuels, 2021 - ACS Publications
This paper presents an assessment of flame stability and spray characteristics over a wide
range of Weber numbers and dynamic pressure ratios (or momentum flux ratios) using the …