Method and apparatus for operating a combustion chamber for autoignition of a fuel
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United States of America Patent
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-
Mar 11, 1997
Grant Date -
N/A
app pub date -
Apr 24, 1995
filing date -
May 19, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for operating a combustion chamber for autoignition of a fuel includes spraying fuel into a hot gas through a plurality of fuel lances disposed in a mixing zone of a combustion chamber for autoignition of the fuel. The fuel lances are supplied with fuel as two individually supplied groups. Fuel is supplied first to a first group of lances and increased to reach an intermediate operating temperature of about 1100.degree. C. The fuel supply to the second group is then activated, and the fuel supply increased to reach the same intermediate operating temperature with the second group. After both groups are operating at the intermediate temperature, the fuel supply to both groups is simultaneously increased to reach the operating temperature of the combustion chamber.
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