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Gas-turbine lean combustor with fuel nozzle with controlled fuel inhomogeneity

机译：带有可控燃油不均匀性的燃油喷嘴的燃气轮机稀薄燃烧器

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摘要

A gas-turbine lean combustor includes a combustion chamber (2) and a fuel nozzle (1) which includes a pilot fuel injection (17) and a main fuel injection (18). The main fuel injection (18) includes central recesses (23) for a controlled inhomogeneous fuel injection, the number of said recesses on the circumference ranging from 8 to 40 and said recesses having an angle of inclination δ2 in circumferential direction of 10°≦δ2≦60° and an axial angle of inclination δ1 relative to the combustor axis (4) between −10°≦δ1≦90°.

机译：燃气轮机稀薄燃烧器包括燃烧室（ 2 ）和燃料喷嘴（ 1 ），燃料喷嘴包括引燃燃料喷射（ 17 ）和主燃油喷射（ 18 ）。主燃料喷射（ 18 ）包括用于控制非均匀燃料喷射的中央凹槽（ 23 ），圆周上的所述凹槽的数量为8至40，并且所述凹槽圆周方向的倾斜角δ 2 为10°≤δ 2 ≤60°，相对于轴向的倾斜角为δ 1 燃烧器轴（ 4 ）在-10°≤δ 1 ≤90°之间。 展开▼

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公开/公告号US2009139240A1

专利类型

公开/公告日2009-06-04

原文格式PDF

申请/专利权人 LEIF RACKWITZ;IMON-KALYAN BAGCHI;THOMAS DOERR;
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申请/专利号US20080232324

发明设计人 THOMAS DOERR;LEIF RACKWITZ;IMON-KALYAN BAGCHI;
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申请日2008-09-15

分类号F02C1/00;

国家 US

入库时间 2022-08-21 19:32:24

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