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AERODYNAMIC CHARACTERISTICS OF AIR-CUSHION MODELS AT VERY LOW GROUND CLEARANCES AND AT FREE-STREAM DYNAMIC PRESSURES EXCEEDING CUSHION PRESSURE

机译：空气垫模型在极低地面间隙和自由流动力压力超过垫层压力下的气动特性

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Air-cushion models employing peripheral jet and plenum cushions of circular, rectangular, and side-by-side planforms were tested in hovering and at forward speed in the 17-foot (5.18-meter) test section of the Langley 300-MPH 7- by 10-foot tunnel. The principal purpose of these tests was to study the characteristics of air cushions when free-stream dynamic pressure exceeded air-cushion pressure. Also examined were the hovering performance and the effects of moving ground belt, crosswind, height, and angle of attack. For the configurations tested, there was no significant loss in cushion performance when free-stream dynamic pressure exceeded cushion pressure.

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作者
Kalman J. Grunwald; William G. Johnson;
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年度 1970
页码 1-130
总页数 130
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Tracked air-cushion vehicle Air-cushion vehicle;

机译：履带式气垫车气垫车;

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AERODYNAMIC CHARACTERISTICS OF AIR-CUSHION MODELS AT VERY LOW GROUND CLEARANCES AND AT FREE-STREAM DYNAMIC PRESSURES EXCEEDING CUSHION PRESSURE

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