Results 161 to 170 of about 1,003,819 (196)

Correlating Flame Location and Ignition Delay in Partially Premixed Combustion

SAE Technical Paper Series, 2012
<div class="section abstract"><div class="htmlview paragraph">Controlling ignition delay is the key to successfully enable partially premixed combustion in diesel engines. This paper presents experimental results of partially premixed combustion in an optically accessible engine, using primary reference fuels in combination with artificial ...
Zegers, R.P.C., Aussems, J.E.E., Somers, L.M.T., Dam, N. J., Luijten, C.C.M., de Goey, L.P.H.   +5 more
openaire   +2 more sources

Numerical and experimental study of no emission in laminar partially premixed flames

Proceedings of the Combustion Institute, 2000
A partially premixed methane/air flame in a two-dimensional configuration was studied in this work. The configuration was close to those used in real domestic boilers. The flame structure and flow pattern were calculated by implementing a complex chemistry and detailed transport formulation in an industrial computational fluid dynamics code (ESTET).
Gicquel, Olivier, Miquel, Philippe, Quilichini, Virigine, Hilka, Martin, Thevenin, D., Darabiha, Nasser   +5 more
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Partially Premixed Laminar Gas Flames from Triangular Burners

Journal of Propulsion and Power, 1996
An experimental study of the effects of using triangular burner exit ports in place of the standard circular ports in a laminar partially premixed gas burner is presented. A natural gas burner employed in a small residential-scale heating system rated at 5.86 kW was modie ed. Air entrainment into the nonburning jets, emission indices of nitrogen oxides
S. Gollahalli, Samir Subba
openaire   +1 more source

A numerical investigation of the flame structure of an unsteady inverse partially premixed flame

Combustion and Flame, 1997
Abstract The flame structure of unsteady flickering partially premixed flames is numerically investigated, and detailed results are provided for a flame established at Fr = 0.5, Re = 500, and overall Φ = 1. A numerical study is conducted in an inverse configuration in which a fuel-rich (CH4-air) annular jet is sandwiched between an axisymmetric air ...
Zhuang Shu, Suresh K. Aggarwal, Viswanath R. Katta, Ishwar K. Puri   +3 more
openaire   +1 more source

LaminarTriple Flames in Partially Premixed Opposed Flows

Combustion Science and Technology, 1998
Presented is an asymptotic analysis of premixed laminar flames in opposed streams under circumstances of fast chemistry and/or low rates of strain and of high Reynolds numbers. In this case there exist three distinct reaction layers, two premixed and one nonpremixed, the latter centered on the stagnation plane.
openaire   +1 more source

Premixed and Partial Premixed Turbulent Flames at High Reynolds Number

2018
Methane/air premixed and partially premixed turbulent flames at high Reynolds number are characterized using Direct Numerical Simulations (DNS) with detailed chemistry in a spatially evolving slot Bunsen configuration. Two sets of simulations are performed. A first set of simulations with fully premixed inlet conditions is considered in order to assess
openaire   +2 more sources

Triple flames and partially premixed combustion in autoignition of non-premixed turbulent mixtures

Symposium (International) on Combustion, 1996
The present work deals with autoignition of non-premixed turbulent mixtures. The objective is to study the possible role that partially premixed combustion may play in the propagation of ignition. First, a physical picture based on simple considerations and describing the structure of the flame very early after ignition is discussed.
Domingo, Pascale, Vervisch, L.
openaire   +3 more sources

Flame Structure Interactions and State Relationships in an Unsteady Partially Premixed Flame

AIAA Journal, 1998
In this investigation our objective is 1 ) to compare the similitude between an unsteady, two-dimensional (axisymmetric), partially premixed e ame and an analogous steady, partially premixed e amelet to determine if state relationshipsintermsofamodie edconservedscalarapplyand2 )toinvestigatee amestructureinteractionsbetween the various reaction zones ...
Suresh K. Aggarwal, Ishwar K. Puri
openaire   +1 more source

Flame Dynamics and Structures of Partially Premixed Cool Flames

54th AIAA Aerospace Sciences Meeting, 2016
Christopher B. Reuter, Sang Hee Won, Yiguang Ju   +2 more
openaire   +1 more source

Partially-Premixed Flames: Applications and Issues

45th AIAA Aerospace Sciences Meeting and Exhibit, 2007
Ishwar Puri, Suresh Aggarwal
openaire   +1 more source