TY - JOUR AU - Chapnik, B.V. AU - Walker, M. PY - 1997/09/01 Y2 - 2024/03/29 TI - Performance enhancement study of acoustical privacy screens JF - Canadian Acoustics JA - Canadian Acoustics VL - 25 IS - 3 SE - Proceedings of the Acoustics Week in Canada DO - UR - https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1089 SP - 20-20 AB - Based on the modelled results and both economic and technical considerations, revised element configurations were selected which incorporated a slightly thicker fibreglass layer, in conjuction with a perforated back pan having low percentage, small diameter perforations. Modified prototype screens were tested in an ASTM accredited laboratory, and were found to exhibit NRC values on the order of +0.15 higher than the corresponding benchmark models. ER -