scholarly journals Partial premixing effects upon soot nanostructure

2016 ◽  
Vol 168 ◽  
pp. 403-408 ◽  
Author(s):  
Chung-Hsuan Huang ◽  
Randy L. Vander Wal
Keyword(s):  
Partial Premixing

Structure Responses of n-Heptane/Air Counterflow Flames to Air-Side Partial Premixing of Dimethyl Ether

2019 ◽  
Vol 33 (7) ◽  
pp. 6754-6766
Author(s):  
Xiaoqin Lu ◽  
Ge Hu ◽  
Yituan He ◽  
Shiyong Liao ◽  
Xiaochun Jian ◽  
...  
Keyword(s):  
Dimethyl Ether ◽  
Partial Premixing ◽  
Counterflow Flames

Oxides of nitrogen emissions from turbulent jet flames: Part II—Fuel dilution and partial premixing effects

1993 ◽  
Vol 93 (3) ◽  
pp. 255-269 ◽  
Author(s):  
Stephen R. Turns ◽  
Franklin H. Myhr ◽  
Ramarao V. Bandaru ◽  
Ehren R. Maund
Keyword(s):  
Turbulent Jet ◽  
Oxides Of Nitrogen ◽  
Jet Flames ◽  
Nitrogen Emissions ◽  
Partial Premixing ◽  
Fuel Dilution ◽  
Turbulent Jet Flames

scholarly journals Effect of Partial Premixing on Stabilization and Local Extinction of Turbulent Methane/Air Flames

2012 ◽  
Vol 90 (2) ◽  
pp. 269-284 ◽  
Author(s):  
E. Baudoin ◽  
X. S. Bai ◽  
B. Yan ◽  
C. Liu ◽  
R. Yu ◽  
...  
Keyword(s):  
Local Extinction ◽  
Partial Premixing

Multiple mapping conditioning for flames with partial premixing

2008 ◽  
Vol 155 (1-2) ◽  
pp. 215-231 ◽  
Author(s):  
A. Kronenburg ◽  
M.J. Cleary
Keyword(s):  
Partial Premixing

Partial Premixing Effects On the Reacting Jet of a High-Pressure Axially Staged Combustor

2021 ◽  
Author(s):  
Tommy Genova ◽  
Michelle Otero ◽  
Jonathan Reyes ◽  
Scott Martin ◽  
Kareem Ahmed
Keyword(s):  
Gas Turbine ◽  
Particle Image ◽  
Recirculation Region ◽  
The Core ◽  
Jet In Crossflow ◽  
Image Velocimetry ◽  
Flow Field Characteristics ◽  
Partial Premixing ◽  
Coaxial Injector ◽  
Flame Behavior

Abstract The effects of partial premixing on a reacting jet-in-crossflow is investigated in a five atmosphere axially staged combustor at stationary gas turbine relevant conditions. The facility consists of a dump style headend burner that provides a crossflow with a quasi-uniform velocity and temperature profile to the axial stage to isolate the effects of the jet-in-crossflow. The headend burner is run with methane and air at a lean equivalence ratio to match industry emissions standards. For the current work, the total air to the headend and axial stage is kept constant, and fuel is split between the headend and axial stage to represent different gas turbine loading conditions. For the cases analyzed, the fuel split to the axial stage went up to 25%. The axial stage consists of an optically accessible test section with a coaxial injector that provides variability to how long the methane and air can mix before entering the facility. Three different premixed levels are studied: fully premixed, non-premixed, and partially premixed. The flow-field characteristics of the reacting jet-in-crossflow are analyzed using particle image velocimetry (PIV), and flame behavior is quantified by employing CH* chemiluminescence. NO measurements are made at the exit of the facility using a Horiba emissions analyzer. Two different flames are observed: flames that burn in the leeward recirculation region and flames that burn at the core of the jet.

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