Journal ArticleDOI
Combustion in swirling flows: A review
Nicholas Syred,János M. Beér +1 more
TLDR
The main effects of swirl are to improve flame stability as a result of the formation of toroidal recirculation zones and to reduce combustion lengths by producing high rates of entrainment of the ambient fluid and fast mixing as discussed by the authors.About:
This article is published in Combustion and Flame.The article was published on 1974-10-01. It has received 837 citations till now. The article focuses on the topics: Combustion chamber & Combustor.read more
Citations
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Journal ArticleDOI
Hysteresis and turbulent vortex breakdown in transitional swirling jets
Pradeep Moise,Joseph Mathew +1 more
TL;DR: In this paper, the authors examined flow features of vortex breakdown in unconfined swirling jets for a Reynolds number at which vortex breakdown is accompanied by a transition to turbulence, based on inflow jet radius and centreline velocity.
Proceedings ArticleDOI
Investigations on the effect of Piston Squish Area on Performance and Emission Characteristics of LPG fuelled Lean Burn SI Engine
Journal ArticleDOI
Remote gas sampling with a swirl air stream
TL;DR: This paper deals with the problem of adjusting vortex and sampling flows for a mass-spectrometer with atmospheric pressure ionization used for remote sampling of diethylanyline vapors and shows that both the sampling distance and sampling area depend mainly on geometric sampler parameters.
Journal ArticleDOI
Comments on Mark Diesendorf's critique of my review paper
TL;DR: An answer to a critique by Mark Diesendorf of the review paper by Philip S. Callahan on insect antennae is provided.
Journal ArticleDOI
Experimental Investigation of Soot Production and Oxidation in a Lab-Scale Rich–Quench–Lean (RQL) Burner
TL;DR: In this article, the authors investigated the effect of dilution on soot emissions from a swirl-stabilized, turbulent, non-premixed ethylene-air flames at atmospheric pressure with downstream radially-injected dilution air.
References
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Journal ArticleDOI
Theory of the vortex breakdown phenomenon
TL;DR: In this paper, it is shown that vortex breakdown is not a manifestation of instability or of any other effect indicated by study of infinitesimal disturbances alone, but instead a finite transition between two dynamically conjugate states of axisymmetric flow, analogous to the hydraulic jump in open-channel flow.
Journal ArticleDOI
On stationary and travelling vortex breakdowns
TL;DR: In this article, the authors describe some experiments in swirling flows in a diverging cylindrical tube in which various types of vortex breakdowns were observed, viz. mild (double helix) breakdown, spiral breakdown, and axisymmetric breakdown.
The bursting of leading-edge vortices - some observations and discussion of the phenomenon.
N. C. Lambourne,D. W. Bryer +1 more
Journal ArticleDOI
Experimental Investigation of Swirling Vortex Motion in Jets
N. A. Chigier,A. Chervinsky +1 more
Journal ArticleDOI
Some observations of the vortex breakdown phenomenon
TL;DR: In this article, a cylindrical vortex, formed in a long tube, was used to study the "vortex breakdown" that has been previously reported in investigations of the flow over slender delta wings.