@inproceedings{2169ce332d7643efbe29e60d9064b98c,
title = "Experimental investigation of transverse mode nozzle damping: Preliminary results",
abstract = "The influence of different convergent sections of otherwise identical nozzles on the damping of acoustically excited first tangential (1T) modes without mean flow has been examined. Mode excitation was provided by a variable frequency acoustic siren fed by compressed air and controlled by a 3-D printed, spring-activated gate-valve installed between the nozzles and siren, which acted to eliminate the passage of acoustic driving when closed. Nozzle damping was evaluated by experimentally measuring decay rates derived from a linear fit of the natural logarithm of attenuating pressure traces recorded by pressure transducers. Experiments performed with a conical (C), equal-radius-of-curvature (ER), and linear-velocity-profile (LVP) nozzle demonstrate that the ER nozzle provided the most 1T nozzle damping under no mean flow conditions.",
author = "Price, {Theron J.} and Moeller, {Trevor M.} and Cranford, {Jake T.} and Batterson, {Joshua W.} and Jacob, {Eric J.}",
note = "Publisher Copyright: {\textcopyright} 2017, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.; AIAA Space and Astronautics Forum and Exposition, SPACE 2017 ; Conference date: 12-09-2017 Through 14-09-2017",
year = "2017",
doi = "10.2514/6.2017-5131",
language = "English",
isbn = "9781624104831",
series = "AIAA SPACE and Astronautics Forum and Exposition, SPACE 2017",
publisher = "American Institute of Aeronautics and Astronautics Inc, AIAA",
booktitle = "AIAA SPACE and Astronautics Forum and Exposition",
}