Suchergebnisse
Suchergebnisse:
Squeeze-Film Damping of Perforated Plates. Application ID: 60071. This benchmark model compares the damping coefficients of perforated plates from computation results versus experimental data. The simulation includes 18 different geometric configurations. It uses the Bao's perforation model, which is built-in in the Thin Film Flow physics ...
4. Apr. 2023 · The models for cylindrical squeeze film force and vibrating system with squeeze film effects have not been well understood. In this paper, we model a cylindrical squeeze film force starting from the simplification of the full Navier–Stokes equations and then get an expression for the squeeze film force. We study the influence of a harmonic exciting force on a spring damped vibrator with ...
13. März 2020 · This is the trial run of a 500kg/hr plastic film squeezer recycling machine. As you may know, it is very important to dry the film regrind in a film washing ...
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28. Sept. 2023 · Abstract. The damping performance of squeeze film dampers (SFDs) is affected by feed hole distribution, feed pressure, and the number of feed holes. Common uncertainty differences exist between the direct force coefficients KXX and KYY, or CXX and CYY identified by the test. In this paper, the force coefficients identification test was carried out for a new piston ring end-sealed squeeze film ...
12. Mai 2017 · Squeeze film damping is widely used in large-scale rotating machinery but even more so presently in microsystems. In the latter case, for modelling purposes, the two surfaces producing the squeeze film flow are typically assumed perfectly parallel, which is often not the case in practice. This paper presents a general formula for squeezing flow between two rigid surfaces for both parallel and ...
1. Jan. 1997 · Abstract. The effects of a circumferential feeding groove on the dynamic force response of a squeeze film damper are determined experimentally. Open end and sealed damper configurations are tested for different groove depths, Journal orbit radii, whirl frequency and fluid viscosity conditions. Significant levels of dynamic pressures are ...
13. Dez. 2022 · Lin JR (2000) Squeeze film characteristics between a sphere and a flat plate: couple stress fluid model. Comput Struct 75:73–80. Article Google Scholar Bujurke NM, Jayaraman G (1982) The influence of couplestresses in squeeze films. Int J Mech Sci 24:369–376. Article MATH Google Scholar
