Mechanical metamaterials
Mechanical metamaterials, also known as architected materials, are rationally designed
composites, aiming at elastic behaviors and effective mechanical properties beyond ('meta') …
composites, aiming at elastic behaviors and effective mechanical properties beyond ('meta') …
A review of acoustic dampers applied to combustion chambers in aerospace industry
D Zhao, XY Li - Progress in Aerospace Sciences, 2015 - Elsevier
In engine combustion systems such as rockets, aero-engines and gas turbines, pressure
fluctuations are always present, even during normal operation. One of design prerequisites …
fluctuations are always present, even during normal operation. One of design prerequisites …
Entropy generation and CO2 emission in presence of pulsating oscillations in a bifurcating thermoacoustic combustor with a Helmholtz resonator at off-design …
In this work, we develop a 2D numerical model of a Y-shaped bifurcating combustor with a
Helmholtz resonator attached. Propane (C 3 H 8) is fueled and burnt with air by applying …
Helmholtz resonator attached. Propane (C 3 H 8) is fueled and burnt with air by applying …
[图书][B] Elements of acoustics
S Temkin, S Temkin - 1981 - scholar.archive.org
Elements of Acoustics Samuel Temkin Originally published in 1981; Reprinted in 2001 TABLE
OF CONTENTS Page 1 Elements of Acoustics Samuel Temkin Originally published in 1981; …
OF CONTENTS Page 1 Elements of Acoustics Samuel Temkin Originally published in 1981; …
Helmholtz resonator with extended neck
A Selamet, I Lee - The Journal of the Acoustical Society of America, 2003 - pubs.aip.org
Acoustic performance of a concentric circular Helmholtz resonator with an extended neck is
investigated theoretically, numerically, and experimentally. The effect of length and shape of …
investigated theoretically, numerically, and experimentally. The effect of length and shape of …
An extended neck versus a spiral neck of the Helmholtz resonator
C Cai, CM Mak, X Shi - Applied Acoustics, 2017 - Elsevier
This paper focuses on improving the noise attenuation performance of the Helmholtz
resonator (HR) at low frequencies with a limited space. An extended neck or a spiral neck …
resonator (HR) at low frequencies with a limited space. An extended neck or a spiral neck …
[HTML][HTML] Sound-assisted fluidization for temperature swing adsorption and calcium looping: A review
F Raganati, P Ammendola - Materials, 2021 - mdpi.com
Fine/ultra-fine cohesive powders find application in different industrial and chemical sectors.
For example, they are considered in the framework of the Carbon Capture and Storage …
For example, they are considered in the framework of the Carbon Capture and Storage …
Acoustic performance of different Helmholtz resonator array configurations
C Cai, CM Mak - Applied Acoustics, 2018 - Elsevier
This paper presents a theoretical study of the acoustic performance of different Helmholtz
resonator (HR) array configurations. A dual HR consisting of two HRs connected in series …
resonator (HR) array configurations. A dual HR consisting of two HRs connected in series …
Numerical and experimental investigations on the acoustic performances of membraned Helmholtz resonators embedded in a porous matrix
Acoustic performances of two concepts based on the integration of an elastic membrane in
the front wall of a cavity and Helmholtz resonator embedded in a melamine matrix are …
the front wall of a cavity and Helmholtz resonator embedded in a melamine matrix are …