| 摘要 |
A nozzle arrangement has a swirl chamber ( 310 ) with at least one fluid inlet ( 312, 314 ). The inlet is configured to direct fluid into the chamber non-tangentially to the surface of the chamber. Where there are two or more inlets, one of the inlets may have a larger cross-sectional area than the other. Also disclosed are nozzle arrangements having swirl chambers in which the inlets are arranged counter-tangentially, and nozzle arrangements having a swirl chamber whose surface curves longitudinally of the chamber as well as laterally.
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