首页> 美国政府科技报告 >SST Technology Follow-On Program -Phase II. Noise Suppressor/Nozzle Development. Volume V. Performance Technology -The Effect of Initial Jet Conditions on the Mixing and Performance of a 2-D Constant Area Ejector.

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SST Technology Follow-On Program -Phase II. Noise Suppressor/Nozzle Development. Volume V. Performance Technology -The Effect of Initial Jet Conditions on the Mixing and Performance of a 2-D Constant Area Ejector.

机译：ssT技术后续计划 - 第二阶段。噪音抑制器/喷嘴开发。第五卷性能技术 - 初始射流条件对二维恒定面积喷射器混合和性能的影响。

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The effects of initial jet conditions on the performance and mixing in a constant area ejector were investigated. Initial jet conditions varied with velocity profile,base thickness,and primary turbulence level. An effect of each of these quantities on thrust and weight flow augmentation was noted. Profile measurements were affected substantially by ejector wall boundary layer growth and could not be used. Spark shadowgraphs,made through the clear ejector sidewalls,show noticeable effects of initial conditions at high pressure ratios.

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thornock, r. l. armstrong, r. s.;
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年度 1977
页码 1-65
总页数 65
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
supersonic transports; noise reduction; jet engine noise; suppressors; turbojet exhaust nozzles; noise reductionsuppression; performance(engineering); ejectors; air ejectors; two dimensional; flow visualization; velocity; turbulence; thickness; jet mixing flow; turbojet engines; thrust;

机译：超音速运输;降噪;喷气发动机噪音;抑制器;涡轮喷气机排气喷嘴;降噪抑制;性能（工程）;喷射器;空气喷射器;二维;流动可视化;速度;湍流;厚度;喷射混合流;涡轮喷气发动机;推力;

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SST Technology Follow-On Program -Phase II. Noise Suppressor/Nozzle Development. Volume V. Performance Technology -The Effect of Initial Jet Conditions on the Mixing and Performance of a 2-D Constant Area Ejector.

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