Dynamics and structure of transitional buoyant jet diffusion flames with side-wall effects

2003 ◽  
Vol 133 (1-2) ◽  
pp. 29-45 ◽  
Author(s):  
X. Jiang ◽  
K.H. Luo
Keyword(s):  
Diffusion Flames ◽  
Side Wall ◽  
Wall Effects ◽  
Buoyant Jet ◽  
Jet Diffusion Flames

Flame height and lift-off of turbulent buoyant jet diffusion flames in a reduced pressure atmosphere

Fuel ◽  
2013 ◽  
Vol 109 ◽  
pp. 234-240 ◽  
Author(s):  
Longhua Hu ◽  
Qiang Wang ◽  
Michael Delichatsios ◽  
Fei Tang ◽  
Xiaochun Zhang ◽  
...  
Keyword(s):  
Diffusion Flames ◽  
Flame Height ◽  
Buoyant Jet ◽  
Reduced Pressure ◽  
Jet Diffusion Flames ◽  
Lift Off

Fuel mixing effect on the flickering of jet diffusion flames

2010 ◽  
Vol 225 (1) ◽  
pp. 155-162 ◽  
Author(s):  
J Li ◽  
Y Zhang
Keyword(s):  
High Speed ◽  
Diffusion Flames ◽  
Digital Camera ◽  
Reacting Flow ◽  
Buoyant Jet ◽  
Vortical Structures ◽  
Mixed Fuel ◽  
Jet Diffusion Flames ◽  
Key Factor ◽  
Flickering Frequency

An experimental study has been performed for a buoyant jet diffusion flame, which was observed to oscillate at different frequencies spatially. The flame dynamics and structure were visualized by a commercial digital camera and a high-speed camera. Mixed fuel of methane and propane at certain proportion was found to generate very different vortex shedding behaviours. As a result, the flickering frequency of a methane/propane 1:1 mixture can be half of that of typically observed for pure methane or propane flame. The distance between adjacent flame puffs or the size of vortical structures in the reacting flow field, which can be modified by the fuel composition, was identified to be the key factor that affects the flickering frequencies. Repeated tests confirmed that mixed fuel at certain proportions can have a significant effect on the flame flickering frequency through the modification of vortex structure and dynamics.

Effects of partial gravity and g-jitter radiation from jet diffusion flames

1997 ◽  
Author(s):  
M. Bahadori ◽  
L. Zhou ◽  
D. Stocker ◽  
M. Bahadori ◽  
L. Zhou ◽  
...  
Keyword(s):  
Diffusion Flames ◽  
Jet Diffusion Flames ◽  
Partial Gravity ◽  
Jitter Radiation

A PIV investigation of weakly buoyant laminar jet diffusion flames

2000 ◽  
Author(s):  
Mark Wernet ◽  
Paul Greenberg ◽  
Peter Sunderland ◽  
William Yanis
Keyword(s):  
Diffusion Flames ◽  
Laminar Jet ◽  
Jet Diffusion Flames

The blowout mechanism of turbulent jet diffusion flames

2006 ◽  
Vol 145 (3) ◽  
pp. 481-494 ◽  
Author(s):  
Chih-Yung Wu ◽  
Yei-Chin Chao ◽  
Tsarng-Sheng Cheng ◽  
Yueh-Heng Li ◽  
Kuo-Yuan Lee ◽  
...  
Keyword(s):  
Diffusion Flames ◽  
Turbulent Jet ◽  
Jet Diffusion Flames

Numerical investigation of side-wall effects on the seakeeping performance of a ship advancing in waves

2021 ◽  
Vol 239 ◽  
pp. 109797
Author(s):  
Chaobang Yao ◽  
Jianghao Huang ◽  
Xiaoshuai Sun ◽  
Jiawei Yu ◽  
Dakui Feng
Keyword(s):  
Numerical Investigation ◽  
Side Wall ◽  
Wall Effects ◽  
Seakeeping Performance
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