| 摘要 |
The invention relates to a slit nozzle design for slit nozzles for producing a curtain of fluid, in which nozzles a plurality of longitudinal grooves (3) parallel to the axis of the nozzle are provided in the inner wall (2) of the slit nozzle (1). Turbulences in the flowing water within the nozzle are reduced by means of these longitudinal grooves so that a uniform curtain of water is produced over the entire width of the slit nozzle. <IMAGE>
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