Experimental and frequency-domain study of acoustic damping of single-layer perforated plates
Sign Up to like & getrecommendations! Published in 2017 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2017.07.010
Abstract: Abstract Perforated plates/liners have been widely applied in aeroengines and gas turbines to dissipate unwanted noise. In this work, numerical simulations and experimental study of acoustic damping performance of single-layer perforated plates are conducted. For… read more here.
Keywords: single layer; acoustic damping; frequency; perforated plates ... See more keywords
Velocity behavior downstream of perforated plates with large blockage ratio for unstable and stable detonations
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.01.010
Abstract: Abstract Due to the excellent thermal propulsion performances of detonation, it has been applied for the purpose of aerospace propulsion devices, e.g., pulse detonation engines (PDEs), rotating detonation engines (RDEs), and oblique detonation wave engines… read more here.
Keywords: propagation; perforated plates; detonation; velocity behavior ... See more keywords
Protection effectiveness of perforated plates made of high strength steel
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Impact Engineering"
DOI: 10.1016/j.ijimpeng.2018.12.006
Abstract: Abstract Protective properties of perforated plates made of modern ultra-high hardness nanostructured bainitic steel were presented in this article. The ballistic tests and the finite element modelling of the impact phenomenon were included. The 7.62 mm × 54R B-32 API… read more here.
Keywords: steel; perforated plates; plates made; protection effectiveness ... See more keywords
Acoustic impedance of perforated plates in the presence of fully developed grazing flow
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115547
Abstract: Abstract The perforated components are widely used in the intake and exhaust mufflers. The coupling between instable shear layer and acoustic fluctuation has a significant influence on the acoustic impedance of perforated components. To obtain… read more here.
Keywords: impedance perforated; perforated plates; grazing flow; impedance ... See more keywords
Numerical simulations and experiments on thermal viscous power dissipation of perforated plates
Sign Up to like & getrecommendations! Published in 2018 at "AIP Advances"
DOI: 10.1063/1.5044705
Abstract: The micro-perforated plates (MPPs) are widely used in sound absorption structures. As perforations become smaller, the energy loss caused by viscous dissipation and thermal radiation of the medium should be considered on calculation and design… read more here.
Keywords: dissipation; perforated plates; energy loss; micro ... See more keywords
Water wave scattering by impermeable and perforated plates
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Fluids"
DOI: 10.1063/5.0051355
Abstract: In the field of offshore renewable energy, impermeable plates are used as underwater lenses to amplify the wave amplitude, and perforated plates can harness wave energy as a power takeoff device. Within the framework of… read more here.
Keywords: impermeable perforated; water; wave scattering; perforated plates ... See more keywords
Geometrically Nonlinear Dynamic Response of Perforated Plates by Modified Differential Quadrature Method
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Structural Stability and Dynamics"
DOI: 10.1142/s0219455421500978
Abstract: The paper presents a modified differential quadrature (MDQ) method to investigate the dynamic response of perforated plates with elastically restrained edges under uniaxial impact compressive load. The perforated plate is divided into several separate plate… read more here.
Keywords: dynamic response; perforated plates; modified differential; method ... See more keywords
Ballistic Behaviour of Austempered Compacted Graphite Iron Perforated Plates
Sign Up to like & getrecommendations! Published in 2019 at "Defence Science Journal"
DOI: 10.14429/dsj.69.14010
Abstract: In this study, the performance of austempered compacted graphite iron was evaluated to find its suitability as perforated plates used in add-on armour. Perforated compacted graphite plates were subjected to austenitisation at 900 °C for… read more here.
Keywords: compacted graphite; perforated plates; ballistic behaviour; graphite iron ... See more keywords