Study on the Optimal Number of Transducers for Pipe Flow Rate Measurement Downstream of a Single Elbow Using the Ultrasonic Velocity Profile Method

<table>Patterns of secondary flow on each cross-section from 0 to <svg height="11.375" id="M77" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 21.9375 11.375" width="21.9375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> downstream of a single elbow (<svg height="16.112499" id="M78" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 88.5 16.112499" width="88.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,82.112,7.688)"><path d="M137 343l67 33q37 17 63 17q79 0 129.5 -53t50.5 -131q0 -92 -58 -156.5t-147 -64.5t-147 68t-58 182q0 63 17 119t43 95.5t61.5 72t69 52t67.5 31.5q62 22 128 33l6 -32q-56 -11 -108 -35q-149 -71 -184 -231zM227 337q-47 0 -95 -27q-6 -23 -6 -70q0 -93 36 -155.5
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</svg>). Bottom and top show the inner and outer elbow, respectively.</table>

Science and Technology of Nuclear Installations

fig13

Figure 13

Figure 13: Study on the Optimal Number of Transducers for Pipe Flow Rate Measurement Downstream of a Single Elbow Using the Ultrasonic Velocity Profile Method 

Figure 13 | Study on the Optimal Number of Transducers for Pipe Flow Rate Measurement Downstream of a Single Elbow Using the Ultrasonic Velocity Profile Method 