Forced ignition of turbulent spray flames
WebNov 1, 2024 · 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 influence on the ignition performance and flame propagation process, and further research is required. WebNov 30, 2015 · In comparison to forced ignition of a gaseous mixture, the presence of droplets increases the complexity of the process as it affects each of its phases: the …
Forced ignition of turbulent spray flames
Did you know?
WebJul 5, 2024 · ABSTRACT The effects of droplet diameter, overall (i.e. liquid and gaseous phases) equivalence ratio, and turbulence intensity on the variation of the Minimum Ignition Energy (MIE) for localized forced ignition of uniformly dispersed mono-sized n-heptane droplet-laden mixtures under homogeneous isotropic decaying turbulence have been … WebSep 6, 2024 · 2.1. Physical model. Forced flame ignition in ethanol sprays is numerically studied with a one-dimensional spherical configuration. The computational domain is 0 ≤ r ≤ r W, where r is the radial coordinate and r W is the domain radius, taken as 20.48 cm, unless otherwise stated. Note that the domain is closed at r W.
Webthe overall turbulent spray flame ignition. We re- view some fundamental findings revealed by exper- iment, DNS, and modelling on forced ignition in turbulent non-premixed systems with gaseous fu- els that are needed for understanding spray igni- tion, focusing on the stochastic behaviour and the range of temporal and spatial scales … WebOct 6, 2016 · This paper reviews the current state of knowledge on the initiation of a flame in a spray through the action of a spark or through …
WebAug 1, 2011 · This paper presents planar imaging of laser induced fluorescence (LIF) from key reactive species in the auto-ignition region of dilute turbulent spray flames of methanol. High-speed (5 kHz) LIF-OH… 44 The Structure of the Auto-Ignition Region of Turbulent Dilute Methanol Sprays Issuing in a Vitiated Co-flow W. O’Loughlin, A. Masri … WebAug 10, 2024 · Mastorakos E., Forced ignition of turbulent spray flames. Proceedings of the Combustion Institute, 2024, 36 (2): 2367–2383. Article Google Scholar Lefebvre …
WebOct 17, 2024 · Ignition of sprays is distinctly characterized by the need to provide gaseous fuel through evaporation for reaction to occur. Thus, it depends on additional parameters such as droplet size, fuel volatility and pre-vaporization.
WebJan 1, 2024 · Since turbulent spray flames may include multiple combustion modes, the DCMC model uses both mixture fraction and reaction progress variable as conditioning variables. Conditional spray terms were included in the DCMC model to consider the coupling between evaporation and the flame structure. labang hair treatmentWebThis paper reviews the current state of knowledge on the initiation of a flame in a spray through the action of a spark or through local deposition of heat, and the subsequent … projector shell plateWebOct 15, 2014 · Forced ignition of turbulent spray flames E. Mastorakos Engineering 2024 104 PDF Experimental investigation of C-shape embedded multi-channel plasma igniter in a single-head swirl combustor Banghuang Cai, Hui-min Song, Zhibo Zhang, M. Jia, Weizhen Wang, Dong Lin Engineering 2024 labangal elementary schoolWebphases involved in the ignition of a spray flame. These different phases can be summarised as fol- lows [1,2]: 1. Kernel generation 2. Flame growth 3. Burner-scale flame … labangal national high school contact numberWebMar 11, 2024 · Abstract. Consistent ignition of reactive mixtures in turbulent conditions continues to be a challenge, particularly for large, multicomponent fuels. Prior work has … projector shelveslabanese garlic sauce grocery storeWebMar 17, 2024 · A direct numerical simulation analysis of localised forced ignition in turbulent slot jets of CH4/CO2 blends Charles Turquand d’Auzay Nilanjan Chakraborty … projector shelving unit