1979
DOI: 10.1016/0022-460x(79)90507-8
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On the resonance and operational behavior of an oscillating electrodynamic compressor

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Cited by 24 publications
(11 citation statements)
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“…The effective damping term is made up of two components: a frictional term and the boundary work performed on the gas (Pollak et al, 1979). Both components are computed from an integration of the energy dissipated over a cycle.…”
Section: Vibration Modelmentioning
confidence: 99%
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“…The effective damping term is made up of two components: a frictional term and the boundary work performed on the gas (Pollak et al, 1979). Both components are computed from an integration of the energy dissipated over a cycle.…”
Section: Vibration Modelmentioning
confidence: 99%
“…Cadman and Cohen observed that the free piston operation of this device created some peculiar effects such as piston drift, which posed a challenge to modeling efforts and limited the practical application such devices. Pollak et al (1979) investigated one-dimensional, nonlinear dynamics of the piston and electrical systems and confirmed such confounding effects. Van der Walt and Unger (1994) assessed the state of the art in linear compressor technology.…”
Section: Introductionmentioning
confidence: 99%
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“…Both the resonant frequency and stroke are sensitive to changes in geometry and operating conditions (Cadman & Cohen, 1969;Park et al, 2004;Pollak et al, 1979;Unger & Novotny, 2002). This poses a challenge not only to compressor design but also to modeling efforts.…”
Section: Bdcmentioning
confidence: 99%
“…These two degrees of freedom are the desired piston translation and the undesired rotation of the piston within the cylinder. However, it has been observed that the resonant frequency of the linear compressor is predicted accurately using a one degree of freedom approach (Pollak et al, 1979;Cadman & Cohen, 1969). In addition, Equations (1)- (7) are linearized based on the desired input stroke.…”
Section: Resonant Frequency Of a Linear Compressormentioning
confidence: 99%