Experimental density and PC-SAFT modeling of Krytox® (perfluoropolyether) at pressures to 275MPa and temperatures to 533K

Bamgbade, Babatunde A.; Wu, Yue; Burgess, Ward A.; McHugh, Mark A.

doi:10.1016/j.fluid.2012.07.008

Cited by 23 publications

(27 citation statements)

References 29 publications

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“…Two slightly different high-pressure view cells are used in this study and have been described in detail elsewhere [8,9,[14][15][16]. The only difference between the cells is that the sapphire window on one cell is sealed with an elastomeric o-ring whereas the other cell uses a window holder that eliminates the need for the o-ring.…”

Section: Experimental Methodsmentioning

confidence: 99%

Measurements and modeling of high-temperature, high-pressure density for binary mixtures of propane with n-decane and propane with n-eicosane

Bamgbade

Burgess

et al. 2015

The Journal of Chemical Thermodynamics

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a b s t r a c tBinary mixture density data are reported for propane (C 3 ) with n-decane (C 10 ) and with n-eicosane (C 20 ) at T = (320 to 525) K and pressures to 265 MPa. The (C 3 + C 10 ) mixture density data are in good agreement with available literature data to 70 MPa, which is the maximum reported literature pressure. There are no available binary mixture density data to compare to the (C 3 + C 20 ) mixture density data reported in the present study. The mixture density data are correlated with the Tait equation to facilitate interpolation of the data at different experimental conditions. Equations of state that are suitable for reservoir simulations are used to model the reported data. These models include the Peng-Robinson equation of state (PREoS), a volume-translated PREoS fit to high temperature, high pressure (HTHP) pure component density data, the PC-SAFT EoS, and modifications of the PC-SAFT EoS developed for better representation of HTHP data. The models give superior density predictions for (C 3 + C 10 ) mixtures compared to (C 3 + C 20 ) mixtures.

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Section: Experimental Methodsmentioning

confidence: 99%

Measurements and modeling of high-temperature, high-pressure density for binary mixtures of propane with n-decane and propane with n-eicosane

Bamgbade

Burgess

et al. 2015

The Journal of Chemical Thermodynamics

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“…A total of 3825 data points of density data (Morgado et al, 2007(Morgado et al, , 2011Yokoyama and Takahashi, 1991;Holcomb and Van Poolen, 1994;Tamatsu et al, 1992;Ribeiro et al, 2007;Yin and Wu, 2011;Widiatmo et al, 2001;Bobbo et al, 2004;Kayukawa et al, 2003;Ohta et al, 2001;Pineiro et al, 2003Pineiro et al, , 2004Bamgbade et al, 2012; NIST Thermophysical Properties of Fluid Systems) from 5 different categories including HCFCs, HFCs, HFEs, PFAs, and PFAAs at several temperatures and pressures, corresponding to 48 different refrigerant systems have been used to train, validate and test the model. Table 1 shows the structural groups used as input variables.…”

Section: Application Of Ann On the Experimental Datamentioning

confidence: 99%

Liquid density prediction of five different classes of refrigerant systems (HCFCs, HFCs, HFEs, PFAs and PFAAs) using the artificial neural network-group contribution method

Moosavi

Sedghamiz

Abareshi

2014

International Journal of Refrigeration

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“…Same in principles of density determination with bellow volumometer, floating-piston densimeter also uses volume displacement information to measure densities, either by fixing the temperature and continuously changing the volume and pressure [4][5][6][7][48][49][50][51][52][53][54], or by keeping the volume fixed and changing the pressure and temperature [55][56][57][58]. The former method that fixes the temperature and changes the volume and pressure is more commonly used, giving waiting longer time needed for a change in temperatures.…”

Section: Floating-piston Densimetermentioning

confidence: 99%

Pressure-Volume-Temperature Property Determination for Fluids at Extreme Pressures

Journal

Xu³

et al. 2013

PDJ

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Pressure-volume-temperature (PVT) properties, more commonly known as density data play an important role in various chemical processes and provide a fundamental database for the development and examination of thermodynamic models. For example, ultradeep oil exploration process requires density data at extreme pressure conditions, which are crucial for the design and optimization of drilling and production equipment. This review discusses the current techniques for high-pressure determination. Three most common techniques, vibrating-body, bellows, and floating-piston, are described in detail with presentation of some typical results and advantages and drawbacks are discussed for each method. Other techniques are also briefly introduced at the end of this review.

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Experimental density and PC-SAFT modeling of Krytox® (perfluoropolyether) at pressures to 275MPa and temperatures to 533K

Cited by 23 publications

References 29 publications

Measurements and modeling of high-temperature, high-pressure density for binary mixtures of propane with n-decane and propane with n-eicosane

Measurements and modeling of high-temperature, high-pressure density for binary mixtures of propane with n-decane and propane with n-eicosane

Liquid density prediction of five different classes of refrigerant systems (HCFCs, HFCs, HFEs, PFAs and PFAAs) using the artificial neural network-group contribution method

Pressure-Volume-Temperature Property Determination for Fluids at Extreme Pressures

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