The design of hydraulic transmission lines for control and actuation requires accurate knowledge of their dynamic response: some standard techniques are known to obtain a consistent dynamic model of a fluid line, including the contribution of inertia, compressibility and friction. In this paper an efficient procedure is developed for simulating the dynamic response in both the frequency and time domains, focusing the attention on the modal analysis of a discretized model of a fluid line. A bi-dimensional approach is adopted, modeling the laminar flow frequency-dependent friction by means of non-integer order differential laws, which may improve the accuracy of the simulated responses in comparison with more traditional Newtonian models. Copyright © 2013 by ASME.
Analysis of friction in bi-dimensional pipe flow using non conventional constitutive models / Catania, G.; Sorrentino, S.. - 7:(2013). (Intervento presentato al convegno ASME 2013 International Mechanical Engineering Congress and Exposition, IMECE 2013 tenutosi a San Diego, CA, usa nel 2013) [10.1115/IMECE2013-66617].
Analysis of friction in bi-dimensional pipe flow using non conventional constitutive models
Sorrentino S.
2013
Abstract
The design of hydraulic transmission lines for control and actuation requires accurate knowledge of their dynamic response: some standard techniques are known to obtain a consistent dynamic model of a fluid line, including the contribution of inertia, compressibility and friction. In this paper an efficient procedure is developed for simulating the dynamic response in both the frequency and time domains, focusing the attention on the modal analysis of a discretized model of a fluid line. A bi-dimensional approach is adopted, modeling the laminar flow frequency-dependent friction by means of non-integer order differential laws, which may improve the accuracy of the simulated responses in comparison with more traditional Newtonian models. Copyright © 2013 by ASME.Pubblicazioni consigliate
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