Engineering and Technology Journal,
2008, Volume 26, Issue 12, Pages 496-509
AbstractFour type of burners of different rim shapes were made and tested.
The rims were of plane surface, plane surface insulated from all side by nitrogen gas, out side
sharp edge and inside sharp edge. Study of the effect of the ambient conditions on the
continuity and stability was carried out, in which open tip smooth flame, blow out , flash back
, close tip smooth flame , unsuitability polyhedral were carefully examined.
Design and installation of a whole combustion system, including nitrogen gas supply was
The results show that the burner with plane surface rim insulated by most stable one. This is
because the idle gas separates the front of the flame from the ambient air, reducing the
aerodynamic effect on the flame and eliminating the polyhedral flame. The burner of outside
sharp edge has the maximum dead space, producing minimum flash back, dislike the burner
with inside sharp edge, which is the least stable due to rotation of the flame.
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