激光-超声旋涡测量技术 |
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引用本文: | 张彬乾,李建英,宋宙模,谢拴勤.激光-超声旋涡测量技术[J].实验流体力学,1998(4). |
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作者姓名: | 张彬乾 李建英 宋宙模 谢拴勤 |
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作者单位: | 西北工业大学 |
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基金项目: | “八五”、“九五”国防科工委气动预研课题 |
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摘 要: | 综述了激光-超声旋涡测量技术的特点。详细介绍了目前国内外采用的两种实用测量技术(超声脉冲信号法和超声连续信号法),并给出了细长三角翼和函道风扇流场的应用测量结果。
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关 键 词: | 激光-超声技术 旋涡测量 超声脉冲信号 超声连续信号 |
A LASER ULTRASONIC TECHNIQUE FOR VORTEX MEASUREMENTS |
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Abstract: | This paper reviews the characteristics on the laser ultraonic technique for vortex measurements.The two used measuremment technique (Ultrasonic pulsative signals and ultrasonic continuous signals) are discussed in details.The measured results for the flow on the slender wing and specific ducted fan are given also in this paper. |
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Keywords: | laser ultrasonic technique vortex measurement ultrasonic pulsative signal ultrasonic continuous signal |
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