Experimental study of buoyancy-induced instability in the DME and LPG jet diffusion flame

GM Nayak, P Kolhe, S Balusamy - Fuel, 2021 - Elsevier
An experimental study is conducted on the buoyant jet diffusion flames to explore the
interaction between the fuel jet and the outer vortex and their impact on the flame structure …

Role of buoyancy induced vortices in a coupled-mode of oscillation in laminar and turbulent jet diffusion flames

GM Nayak, P Kolhe, S Balusamy - Flow, Turbulence and Combustion, 2022 - Springer
The unsteady effects of buoyancy-induced instabilities on jet diffusion flames are
investigated experimentally under normal gravity conditions. Methane and propane are …

Investigation of rotational symmetry in vortex-driven acoustic oscillations in a laboratory-scale swirl combustor

V Ramanan, SR Chakravarthy - Journal of Flow Visualization …, 2019 - dl.begellhouse.com
Combustors in gas turbines exhibit thermoacoustic instability marked by high-amplitude
pressure oscillations, during which the characteristics of the flame undergo significant …

Structure of lean premixed swirling flames using PLIF imaging

M Birouk, AK Gupta - Journal of Flow Visualization and Image …, 2001 - dl.begellhouse.com
The structure of lean premixed methane-air flames at atmospheric pressure conditions has
been studied using a planar laser-induced fluorescence (PLIF) technique. The burner …

Single-pulse laser-induced predissociative fluorescence imaging of OH in swirling methane jet flames

TS Cheng, YC Chao, DC Wu, T Yuan… - Journal of Flow …, 1998 - dl.begellhouse.com
ABSTRACT Two-dimensional (2D) single-pulse laser-induced predissociative fluorescence
(LIPF) imaging of OH coupled with thermocouple temperature measurement is used to study …

Effect of Froude Number and Co-flow on Flickering in a Partially Premixed LPG/Air Flame

G Mahesh Nayak, B Yogesh, B Abinash… - Conference on Fluid …, 2021 - Springer
An experiment is carried out to investigate the effects of Froude number and co-flow air on a
flickering LPG/air partially premixed flame for different tube diameters (13.5, 15.3, and 19.3 …

Simultaneous visualization of temperature and velocity fields of flickering flame by combined flame reaction and piv

M Ohkubo, T Abe, T Yamagata… - Journal of Flow …, 2011 - dl.begellhouse.com
In this paper, simultaneous visualization technique for temperature and velocity fields of a
premixed methane air flame is described. The temperature field is visualized by the flame …