Document Detail

Prediction and simulation of compressive shocks with lower perturbed density for increasing shock strength in real gases.
MedLine Citation:
PMID:  21230188     Owner:  NLM     Status:  In-Process    
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.
Shigeru Taniguchi; Andrea Mentrelli; Tommaso Ruggeri; Masaru Sugiyama; Nanrong Zhao
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Publication Detail:
Type:  Journal Article     Date:  2010-09-29
Journal Detail:
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:
Created Date:  2011-01-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136452     Medline TA:  Phys Rev E Stat Nonlin Soft Matter Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  036324     Citation Subset:  -    
Graduate School of Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan.
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