Fig. 1 (IMAGE) Tomsk Polytechnic University Caption Normalized sound pressure distributions in XZ planes for different Rexolite® particles: (a) 3λ side cuboid, and a rectangular trapezoidal particle obtained from the 3λ side cuboid and with an interior angle (b) 10°, (c) 15°, (d) 20°, (e) 25° and (f) 30°. Credit Tomsk Polytechnic University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.