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Relevant bibliographies by topics / REFPROP

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Journal articles

Academic literature on the topic 'REFPROP'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "REFPROP"

1

Gao, Lei, Takuro Shibasaki, Tomohiro Honda, and Hiroyuki Asou. "Measurement of the Speed of Sound in 2,3,3,3-Tetrafluoropropylene (R-1234yf) Liquid Phase with an Ultrasonic Sensor." Advanced Materials Research 875-877 (February 2014): 588–92. http://dx.doi.org/10.4028/www.scientific.net/amr.875-877.588.

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The speeds of sound in near saturated and subcooled liquid phases of R-1234yf have been measured using a ultrasonic sensor. The measurements were conducted at the temperature range from 0 to 80 °C, and the pressure range from 0.316 to 2.52 MPa. In order to validate the ultrasonic sensor, the measurement in pure water at the temperature range from 0 to 80 °C was also performed. The measurement result of water was compared with those calculated from REFPROP (based on IAPWS-95) and PROPATH (based on IAPWS-IF97). The result of water agrees well with that calculated from REFPROP within a maximum de

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2

Odabaee, Mostafa, Emilie Sauret, and Kamel Hooman. "CFD Simulation of a Supercritical Carbon Dioxide Radial-Inflow Turbine, Comparing the Results of Using Real Gas Equation of Estate and Real Gas Property File." Applied Mechanics and Materials 846 (July 2016): 85–90. http://dx.doi.org/10.4028/www.scientific.net/amm.846.85.

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The present study explores CFD analysis of a supercritical carbon dioxide (SCO2) radial-inflow turbine generating 100kW from a concentrated solar resource of 560oC with a pressure ratio of 2.2. Two methods of real gas property estimations including real gas equation of estate and real gas property (RGP) file - generating a required table from NIST REFPROP - were used. Comparing the numerical results and time consumption of both methods, it was shown that equation of states could insert a significant error in thermodynamic property prediction. Implementing the RGP table method indicated a very

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3

Ekundayo, Jamiu M., and Reza Rezaee. "Volumetric Measurements of Methane-Coal Adsorption and Desorption Isotherms—Effects of Equations of State and Implication for Initial Gas Reserves." Energies 12, no. 10 (2019): 2022. http://dx.doi.org/10.3390/en12102022.

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This study presents the effects of equations of state (EOSs) on methane adsorption capacity, sorption hysteresis and initial gas reserves of a medium volatile bituminous coal. The sorption experiments were performed, at temperatures of 25 °C and 40 °C and up to 7MPa pressure, using a high-pressure volumetric analyzer (HPVA-II). The measured isotherms were parameterized with the modified (three-parameter) Langmuir model. Gas compressibility factors were calculated using six popular equations of state and the results were compared with those obtained using gas compressibility factors from NIST-R

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4

Xu, Zhangliang, Hongbo Tan, and Hao Wu. "Determination of Hydrogen’s Thermophysical Properties Using a Statistical Thermodynamic Method." Applied Sciences 13, no. 13 (2023): 7466. http://dx.doi.org/10.3390/app13137466.

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Accurate determination of the thermophysical properties of hydrogen is a crucial issue in hydrogen system design. By developing computational programs, a statistical thermodynamic model based on fundamental equations of state was implemented to determine hydrogen’s thermophysical properties, including the ortho-hydrogen fraction in equilibrium hydrogen, para-ortho hydrogen conversion heat, isobaric heat capacities and enthalpies. The deviations of calculated para-hydrogen enthalpies from REFPROP data were within 2.22%, ranging from 20 K to 300 K at 0.1 MPa, and within 2.32% between 100 K and 1

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5

Mocanu, Gabriel, Ion V. Ion, and Cristian Iosifescu. "Energy and economic analysis of an ORC combined to steam boiler." E3S Web of Conferences 327 (2021): 01002. http://dx.doi.org/10.1051/e3sconf/202132701002.

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Energy and economic performance of an organic Rankine cycle (ORC) system designed to recycle waste heat of a steam boiler was analysed. Optimisation of ORC system was performed by using the Cycle-Tempo software and the REFPROP program. The selected working fluid was R245fa. For the exhaust gases temperature of 163°C and mass flow rate of 11.83 kg/s, cooling water temperature of 20°C resulted a gross efficiency of 21.02% and a cost of 2987 €/kW, an electricity levelised cost of 102 €/kWh and a payback period of 5.5 years.

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6

Mulero, A., and I. Cachadiña. "Recommended Correlations for the Surface Tension of Several Fluids Included in the REFPROP Program." Journal of Physical and Chemical Reference Data 43, no. 2 (2014): 023104. http://dx.doi.org/10.1063/1.4878755.

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7

Komarov, S. G., and S. V. Stankus. "Density and speed of sound in refrigerant vapor R-125 (31 wt. %) + R-134A (69 wt. %)." Journal of Physics: Conference Series 2057, no. 1 (2021): 012105. http://dx.doi.org/10.1088/1742-6596/2057/1/012105.

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Abstract Using a constant volume piezometer and ultrasonic interferometer methods, the density and speed of sound in gaseous mixture R-125 (31 wt. %) + R-134a (69 wt. %) were measured within the temperature range from 293 to 393 K and at pressure from 0.18…0.47 to 2.5 MPa. The errors in the measuring temperature, pressure, density and speed of sound were ±20 mK, ±4 kPa, ± (0.15–0.3) %, ± (0.1–0.2) %, respectively. It was shown that the speed of sound values increase with temperature and decrease with pressure. The obtained results were compared with the calculations using the REFPROP software.

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8

MALIK, F. ELMZUGHI, M. MJANI ABDULHAFED, S. LAGHA SAJI, and A. ELHAJ MOHAMED. "OPTIMIZATION AND ENERGY PERFORMANCE OF 400MW STEAM POWER PLANT BASED ON MINI REFPROP SOFTWARE PACKAGES." i-manager's Journal on Mechanical Engineering 11, no. 4 (2021): 9. http://dx.doi.org/10.26634/jme.11.4.18078.

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9

Galashov, Nikolay, Svyatoslav Tsibulskiy, and Tatiana Serova. "Analysis of the Properties of Working Substances for the Organic Rankine Cycle based Database “REFPROP”." EPJ Web of Conferences 110 (2016): 01068. http://dx.doi.org/10.1051/epjconf/201611001068.

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10

Zakirova, G. S., and E. I. Krapivsky. "Application of REFPROP software package for examinations automation of phase states of multicomponent hydrocarbon systems." Journal of Physics: Conference Series 1118 (December 2018): 012052. http://dx.doi.org/10.1088/1742-6596/1118/1/012052.

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