| Prediction and simulation of compressive shocks with lower perturbed density for increasing shock strength in real gases. | |
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MedLine Citation:
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PMID: 21230188 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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In this paper we predict and simulate a peculiar type of compressive shock in a real gas modeled by the van der Waals constitutive equation. This shock produces a phase transition from the gas to the liquid phase and, under some special circumstances, back to the gas phase. This shock has a quite unusual property that when the perturbed pressure (the pressure after a shock) increases, the perturbed density decreases and tends to a limit value from above, in contrast with the ordinary well-known compressive shock in which the density tends to the limit value from below. To achieve such a compressive upper shock, it is necessary to choose the unperturbed state (the state before the shock) in a very thin region in the ρp plane, characterized by low values of density and pressure, near the gas-liquid coexistence curve. This region, which depends on the internal degrees of freedom of a constituent molecule, is completely identified. |
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Authors:
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Shigeru Taniguchi; Andrea Mentrelli; Tommaso Ruggeri; Masaru Sugiyama; Nanrong Zhao |
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Publication Detail:
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Type: Journal Article Date: 2010-09-29 |
Journal Detail:
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Title: Physical review. E, Statistical, nonlinear, and soft matter physics Volume: 82 ISSN: 1550-2376 ISO Abbreviation: Phys Rev E Stat Nonlin Soft Matter Phys Publication Date: 2010 Sep |
Date Detail:
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Created Date: 2011-01-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101136452 Medline TA: Phys Rev E Stat Nonlin Soft Matter Phys Country: United States |
Other Details:
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Languages: eng Pagination: 036324 Citation Subset: - |
Affiliation:
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Graduate School of Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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