acoustic leakage 中文意思是什麼
acoustic leakage
解釋
聲散射/聲慢射-
Acoustic emission and wavelet packet theories are adopted to detect pressure leakage location accurately
摘要採用聲發射技術與小波包理論相結合的方法對管道泄漏點實現了精確定位。 -
Therefore, the fluid sound propagation of the leakage pipes is studied, according to the acoustic impedance characters
文中從聲學的角度出發，分析了漏損點的聲阻抗特性，並對漏損管道內流體的聲傳播進行了研究。 -
As acoustic leakage detection technology for power plant boiler tubes can detect small leakages early in boiler tubes before they become catastrophic leakages and reduce economic loss resulted from disarranged stopping of boilers, many research institutes have begun to pay attention to it
=鍋爐爐管泄漏聲學監測技術由於能夠在電站鍋爐爐管發生輕微泄漏時就可監測到泄漏的發生情況，減少由於非計劃停機帶來經濟損失，因此引起了國內外許多研究機構的重視。 -
Nondestructive testing ( ndt ) techniques used in material inspection, fabrication inspection and inservice inspection of pressure vessels are reviewed including ultrasonic, radiographic, magnetic particle, penetrant, eddy current, acoustic emission, infrared, magnetic flux leakage and magnetic memory techniques
摘要綜述壓力容器原材料、壓力容器製造和使用過程中採用的無損檢測技術，包括笤聲、射線、磁粉、滲透、渦流、聲發射、紅外線、漏磁和磁記憶檢測技術。 -
The research put emphases on acoustic emission testing and magnetic flux leakage testing and tried to establish the series standard of the two methods above
其核心是圍繞聲發射檢測和漏磁檢測，意旨在建立聲發射和漏磁檢測的方法和標準。 -
Best test regions are confirmed to found the acoustic emission test method for valve leakage. the large amount of data collected also allowed a brief investigation of the effects of different opening, valve types, differential pressure and leakage rates
根據本次研究工作的目的和特點並結合現場的實際情況，探討了內漏時閥門開度、閥門類型、兩側壓差以及泄漏率等因素變化時的聲學特性。 -
The result plots of leakage rate versus acoustic amplitude are the primary basis to determine the feasibility for quantifying leakage rate
並繪制了聲發射特徵值與泄漏率的相關性曲線，為聲發射定量評價泄漏率提供重要依據。 -
The study instructs simulating valve leakage experiment, perfects valves leakage test technology and bases theoretically for applying valve leakage test in practice. the test stand is constructed and instrumented to accept a variety of valves in order to determine which characteristics of acoustic emission change with leakage rate. the data for each valve type is generated by varying valve type and working medium
建立模擬在用承壓閥門內漏實驗臺，研究典型閥門內漏聲源的聲學特性，確定聲發射特徵參量與泄漏率的關系，為定量評價閥門泄漏率提供實驗數據；通過對不同類型、不同規格、不同工作介質下的典型承壓閥門內漏的實驗研究，確定閥門內漏最佳檢測區域，建立在用承壓閥門內漏聲學檢測方法。 -
On - line inspection and measurement methods of the leakage of valves based on the acoustic emission technology
基於聲發射技術的閥門泄漏在線檢測方法
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