文章摘要
马志敏,贾红.一种气隙谐振型气介超声换能器[J].声学技术,2000,(3):133~136
一种气隙谐振型气介超声换能器
An air-gap resonance type of air medium ultrasonic transducer
投稿时间:2000-02-29  修订日期:2000-03-13
DOI:
中文关键词: 气隙谐振型  超声波  换能器
英文关键词: air gap resonance type  ultrasonic weve  transducer
基金项目:
作者单位
马志敏 武汉水利电力大学, 武汉 430072 
贾红 武汉联合置业公司, 武汉 430072 
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中文摘要:
      本文提出了一种新型的气隙谐振型气介式超声换能器,它是利用一圆形挡板,在摭挡中心反相区辐射的同时,在挡板与辐射板中心区之间构造一个λ/2气隙谐振腔,达到消除反相相消作用和增强声辐射的目的。这一方法十分显著地改善了气介超声换能器的性能。
英文摘要:
      An new air gap resonance type of air medium ultrasonic transducer is introduced in this paper.The new transducer uses a circular relfecting plate to reflect the radiant wave that comes from the central phase reversal region and to form a λ/2 resonant air gap between the reflecting plate and the central region.The spacious counteraction of the waves is eliminated,the radiant intensity is enhanced and the quality and properties of the transducer are apparently improved with this method.
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