D Griese, JD Summers… - … and Acoustics, 2015 - asmedigitalcollection.asme.org
… , θ is the angle of incidence, ρ is the density of the acoustic medium, and c is the speed of sound in the acoustic medium. For normally incident waves, the incidence angle is 0 deg. For …
… paper studies acoustic emission (AE) wave propagation in a glass fibre aluminium honeycomb … core has increased stiffness along its ribbon direction, and the angle between one ribbon …
M Ruzzene - Journal of sound and vibration, 2004 - Elsevier
… The cell geometry is defined by its dimensions L x and L y and by the internal angle θ. For … and acoustic performance of sandwich beams with honeycomb core. The honeycomb …
YJ Kim, JH Han - Journal of Vibration and Acoustics, 2013 - asmedigitalcollection.asme.org
… In this article, a new composite panel concept is proposed to improve the acoustic performance of a honeycomb sandwich composite panel while satisfying its weight and strength …
… The critical frequency of the honeycombstiffened panel occurs in the 1000 Hz one-third … as a function of the angle of sound incidence. To investigate the effect of the honeycomb in the …
EA Piana, C Petrogalli, D Paderno, U Carlsson - Applied Sciences, 2018 - mdpi.com
… Cremer [21] derived the sound transmission coefficient τ φ , ω for a infinite thin homogeneous plate as a function of the angle of incidence φ of the acoustic wave and of the angular …
R Galgalikar, LL Thompson - … and Acoustics, 2016 - asmedigitalcollection.asme.org
… Honeycomb structures with 30 deg cell wall angle, discussed widely in open literature [40–42], have been used in the reference design case for the current study. Geometrical …
Y Yang, B Li, Z Chen, N Sui, Z Chen, MU Saeed… - Composites Part B …, 2016 - Elsevier
… Additionally, the acoustical effect of honeycombs back with sound … [9] developed an expression for the modal density of honeycomb … angle by a B&K impedance tube in this experiment. …