Results 11 to 20 of about 262 (112)

Experimental Study of PVTx Properties about Mixture Refrigerant R1234yf/R32

open access: yesZhileng xuebao, 2016
In order to get the thermophysical properties of mixed refrigerants R1234yf/R134a, the PVT properties of mixture refrigerant R1234yf/R32 with mass fraction 15%/85%, 25%/75% in the range of 253-313 K were measured by using high-precision PVTx apparatus ...
Chen Rishuai, Qi Yingxia, Wu Dong
doaj   +6 more sources

The Experimental Study of PVTx Properties of Near Aeotropic Mixture Refrigerant R290/R134a

open access: yesZhileng xuebao, 2014
In order to get the thermophysical properties of mixed refrigerants R134a/R290, the author built PVTx experimental system with high accuracy. Based on the Burnett method, the author measured the PVT properties of R134a/R290 with mass fraction 50%/50%, 55%
Yang Xi, Qi Yingxia, Chen Wei, Zhang Hua
doaj   +6 more sources

Isochoric PVTx Measurements for the Carbon Dioxide + 1,1-Difluoroethane Binary System [PDF]

open access: yesJournal of Chemical & Engineering Data, 2007
PVTx measurements for carbon dioxide (CO2, R744) + 1,1-difluoroethane (CH3CHF2, R152a) for both the two-phase and the superheated vapor regions are presented. The measurements were taken with a constant volume apparatus at temperatures ranging from (223 to 343) K and pressures from (60 to 3890) kPa along eight isochores.
Di Nicola, G.   +3 more
core   +5 more sources

ChemInform Abstract: PVTx Properties of Hydrothermal Systems

open access: yesChemInform, 2010
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Horacio R. Corti   +1 more
openaire   +2 more sources

ISM equation of state and PVTx profile of polymer solutions

open access: yesPhysics and Chemistry of Liquids, 2018
An analytical equation of state (EoS) has been previously employed to predict the volumetric profile of several molten polymers. The appearing temperature-dependent parameters in the EoS were determined using corresponding states correlations based on the molecular scaling constants, dispersive energy parameters between segments/monomers (ε) and ...
Sayed Mostafa Hosseini (5504042)
openaire   +2 more sources

PVTX history of the North Sea's Judy oilfield

open access: yesJournal of Geochemical Exploration, 2000
Abstract Volumetric liquid:vapour ratios generated using a Confocal Laser Scanning Microscope are used along with PVT modelling software to estimate the composition, PT phase envelope and isochore of single petroleum inclusions in the North Sea's Judy field. The data are used to quantify pressure histories and to determine the compositional evolution
Aplin AC   +5 more
openaire   +3 more sources

Experimental Study of PVTx Properties of Mixture Refrigerant R1234yf/R134a

open access: yesZhileng xuebao, 2016
In order to get the thermophysical properties of mixed refrigerants R1234yf/R134a, the PVT properties of mixture refrigerant R1234yf/R134a with mass fraction 55%/45%, 50%/50%,45%/55% in the range of 268 ~ 323 K were measured by using high-precision PVTx ...
Chen Rishuai, Qi Yingxia, Wu Dong
doaj   +1 more source

pVTx properties of binary R1234ze(E)/R600a system

open access: yesThe Journal of Chemical Thermodynamics, 2017
Abstract The gaseous pVTx properties of trans-1,3,3,3-tetrafluoropropene (R1234ze(E)) + 2-methylpropane (R600a) mixtures were measured in temperatures from 280.15 to 330.15 K and corresponding pressures from 138 to 930 kPa and the compositions of R1234ze(E) from 0.65 to 0.90 mass fraction using the Burnett isothermal expansion method.
Rui Cao, Yingxia Qi, Rishuai Chen
openaire   +2 more sources

PVTx measurements for N2O+CH3F, N2O+CH2F2, and N2O+CHF3 binary systems

open access: yesFluid Phase Equilibria, 2005
Abstract Isochoric PVTx measurements have been performed for the binary system of nitrous oxide + CH 3 F (R41), +CH 2 F 2 (R32), and +CHF 3 (R23) using a new experimental set-up. The experiments covered both the two-phase region and the superheated vapor region and were performed within the temperature range 214–358 K and within a pressure range ...
G. Di Nicola   +3 more
openaire   +2 more sources

PVTX and Raman Spectral Properties of Fluids at Elevated Pressures and Temperatures

open access: yes, 2020
Water and other fluids play an important role in the formation of mineral deposits that are the source of the many metals, such as copper, silver, gold, and others, that are needed by a modern technological society. In addition, water and other fluids affect the way rocks behave under stress and can promote earthquakes and influence the explosivity of ...
Sublett, David Matthew Jr.
openaire   +2 more sources

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