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Description of ASTM-D5389 2013ASTM D5389 - 93(2013)Standard Test Method for Open-Channel Flow Measurement by Acoustic Velocity Meter SystemsActive Standard ASTM D5389 | Developed by Subcommittee: D19.07 Book of Standards Volume: 11.01 ASTM D5389Significance and Use 5.1 This test method is used where high accuracy of velocity or continuous discharge measurement over a long period of time is required and other test methods of measurement are not feasible due to low velocities in the channel, variable stage-discharge relations, complex stage-discharge relations, or the presence of marine traffic. It has the additional advantages of requiring no moving parts, introducing no head loss, and providing virtually instantaneous readings (1 to 100 readings per second). 5.2 The test method may require a relatively large amount of site work and survey effort and is therefore most suitable for permanent or semi-permanent installations. 1. Scope 1.1 This test method covers the measurement of flow rate of water in open channels, streams, and closed conduits with a free water surface. 1.2 The test method covers the use of acoustic transmissions to measure the average water velocity along a line between one or more opposing sets of transducersby the time difference or frequency difference techniques. 1.3 The values stated in SI units are to be regarded as the standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 6.
ASTM Standards D1129 Terminology Relating to Water D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water D3858 Test Method for Open-Channel Flow Measurement of Water by Velocity-Area Method ISO Standard ISO6416 Liquid Flow Measurements in Open Channels--Measurement of Discharge by the Ultrasonic (Acoustic) MethodKeywords acoustic velocity meter; open channel flow; streamflow; water discharge ; ICS Code ICS Number Code 17.120.20 (Flow in open channels) DOI: 10.1520/D5389-93R13 ASTM International is a member of CrossRef. ASTM D5389This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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