~ zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA AIAA 95-0165 I Analysis of Duct Acoustics Using an Adaptation of Yee's Method zyxwv William A. Bell and James G. Maloney Signatures Technology Laboratory zyxwv Georgia Tech Research Institute, Atlanta, zyxw GA zyxw Y 33rd Aerospace Sciences Meeting and Exhibit January 9-12,1995 / Reno, NV For pennisrbn zyxwvuts to copy or mpubllrh, contact the American lnstltuto of Aeronautics and A.tro~utic~ 370 L'Enfant Promenade, S.W., Washington, D.C. 20024