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RR568 - Measurement of acoustic spectra from liquid leaks

Acoustic leak detection is being used increasingly in the offshore industry as a means of detecting leaks of flammable substances on offshore platforms. Rather than relying solely on human intervention or the uncertain and inefficient dispersion of gas to the detectors, acoustic leak detectors (ALD) detect a leak through the ultrasonic sound produced by the escaping gas jet. These sensors are generally designed to detect leaks of gaseous products and have been shown to perform well under the conditions experienced on offshore platforms. HSE recognises the benefits of using such devices possibly in conjunction with line-of-sight sensors to detect gaseous releases.

This report and the work it describes were funded by the Health and Safety Executive (HSE). Its contents, including any opinions and/or conclusions expressed, are those of the authors alone and do not necessarily reflect HSE policy.

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Updated 2010-03-19