The critical temperature T C, critical density ρ C, and critical pressure P C, were measured by the visual observation of the meniscus disappearance, and were determined to be 367.85 ± 0.01 K, 478 ± 3 kg/m 3, and 3382 ± 3 kPa, respectively. The most significant improvement in the description of VLE occurred for (R1234yf + R1234ze(E)) where the root mean squared deviation in the predicted vapour phase compositions decreased from 0.010 to 0.00084 (a factor of 12). Summary of Experimental Data Considered in the Present Equation of State Fit for R1234yf Giving Experimental Ranges and Uncertaintiesa - "Thermodynamic Properties of 2,3,3,3-Tetrafluoroprop-1-ene (R1234yf): Vapor Pressure and p–ρ–T Measurements and an Equation of State" Thermodynamic Properties of 2,3,3,3-Tetrafluoroprop-1-ene (R1234yf): Vapor Pressure and $p−\rho −T$ Measurements and an Equation of State. Research output: Contribution to journal ⺠Article ⺠peer-review. Measurements of the thermodynamic properties of HFO-1234yf were conducted. Surface tensions were measured by the differential capillary-rise method in the temperature range from 273 K to 340 K and correlated by the van der-Waals type equation. Together they form a unique fingerprint. Thermodynamic Properties of trans-1,3,3,3-tetrafluoropropene [R1234ze(E)]: Measurements of Density and Vapor Pressure and a Comprehensive Equation of State‡ Mark O. McLinden1*, Monika Thol1,2, Eric W. Lemmon1 1Thermophysical Properties Division, National Institute of Standards and Technology 325 Broadway, Boulder, CO 80305-3337 USA Thermodynamic properties of HFO-1234yf (2,3,3,3-tetrafluoropropene). Based on the critical parameters and acentric factor, saturated vapor and liquid densities were estimated by the Peng-Robinson equation and the Hankinson-Thomson equation, respectively. Dive into the research topics of 'Thermodynamic properties of HFO-1234yf (2,3,3,3-tetrafluoropropene)'. The heat of vaporization was also calculated from the Clausius-Clapeyron equation. Showing items related by title, author, creator and subject. Modeling of State and Thermodynamic . The Journal of Chemical Thermodynamics 2019, 129 , 36-43. https://doi.org/10.1016/j.jct.2018.09.009 The p-ρ-T behavior of 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) was measured from T = (232 to 400)K with pressures up to 10 MPa using a two-sinker densimeter. CRICOS Provider Code: 00301JABN: 99 143 842 569TEQSA: Vapor pressures were measured by a batch-type calorimeter with a metal-bellows in the temperature range from 310 K to 360 K and correlated by the Wagner-type equation. Surface tensions were measured by the differential capillary-rise method in the temperature range from 273 K to 340 K and correlated by the van der-Waals type equation. Measurements of thermodynamic properties for the 50 mass% R1234yf + 50 mass% R1234ze(E) blend. The energy storage enhancement ratios of R1234yf, R1234ze and R134a with Mg-MOF-74 nanoparticles are higher than those of other M-MOF-74 (M = … Based on the critical parameters and acentric factor, saturated vapor and liquid densities were estimated by the Peng-Robinson equation and the Hankinson-Thomson equation, respectively. @article{f7a8ce759bc64ac89f8b21a5af9fdfe4. The critical temperature TC, critical density ÏC, and critical pressure PC, were measured by the visual observation of the meniscus disappearance, and were determined to be 367.85 ± 0.01 K, 478 ± 3 kg/m3, and 3382 ± 3 kPa, respectively. Thermodynamic Properties of ydrofluoroolefin (R1234yf and R1234ze()) Refrigerant ixtures : ensity, Vapour-iquid quilibrium, and eat apacit y ata and odelling Saif aZS. Cycle Properties of HFO-1234yf Using . Today, as I write this in October … Thermodynamic properties of hydrofluoroolefin (R1234yf and R1234ze(E)) refrigerant mixtures: Density, vapour-liquid equilibrium, and heat capacity data and modelling. The thermodynamic properties were fitted to the Martin-Hou equation of state using property information published in the following papers: / Tanaka, Katsuyuki; Higashi, Yukihiro. Liquid-phase and vapour-phase densities are reported for the binary refrigerant mixtures (R125 + R1234ze(E)), (R134a + R1234ze(E)), (R143a + R1234ze(E)), (R1234ze(E) + R1234yf), (R125 + R1234yf), (R143a + R1234yf) and (R125 + R152a). T1 - Thermodynamic properties of HFO-1234yf (2,3,3,3-tetrafluoropropene). The standards lay down specific requirements for system design. The critical temperature TC, critical density ÏC, and critical pressure PC, were measured by the visual observation of the meniscus disappearance, and were determined to be 367.85 ± 0.01 K, 478 ± 3 kg/m3, and 3382 ± 3 kPa, respectively. R1234yf_mh provides approximate thermodynamic and transport property data for HFO-1234yf (2,3,3,3-tetrafluoropropene, MW 114.04116 g/gmole). R1234ze(E) differs from R1234yf by having a different molecular structure. Based on the critical parameters and acentric factor, saturated vapor and liquid densities were estimated by the Peng-Robinson equation and the Hankinson-Thomson equation, respectively. The equation is composed of separate parts arising from ideal-gas behavior (superscript id) and a “residual” or “real-fluid” (superscript r) … Equation of State¶ Monika Thol and Eric W. Lemmon. In safety data sheets, R1234ze(E) is declared as non-flammable. The temperature range of the measurements spanned ... Measurements of the thermodynamic properties for a series of more environmentally-friendly refrigerant mixtures containing hydrofluorocarbons (HFCs), hydrofluoroolefins (HFOs), and carbon dioxide (CO2) were conducted. Thermodynamic Properties of Hydrofluoroolefin (R1234yf and R1234ze(E)) Refrigerant Mixtures: Density, Vapour-Liquid Equilibrium, and Heat Capacity Data and Modelling applications. PRV12158, Curtin University would like to pay our respect to the indigenous members of our community by acknowledging the traditional owners of the land on which the Perth Campus is located, the Wadjuk people of the Nyungar Nation; and on our Kalgoorlie Campus, the Wongutha people of the North-Eastern Goldfields. These measurements and previously published data were used to tune binary interaction parameters in existing Helmholtz energy models. The critical temperature TC, critical density ÏC, and critical pressure PC, were measured by the visual observation of the meniscus disappearance, and were determined to be 367.85 ± 0.01 K, 478 ± 3 kg/m3, and 3382 ± 3 kPa, respectively. Thermodynamic properties of (R1234yf + R290): Isochoric pρTx and specific heat capacity c measurements and an equation of state. The heat of vaporization was also calculated from the Clausius-Clapeyron equation.". thermodynamic properties of the CO 2 +R1234yf mixture. Making it’s debut in the early 2000’s it has quickly rose to power and will soon be the dominant refrigerant in the automotive industry. Its thermodynamic properties also provide favourable conditions for the use as refrigerant. The acentric factor was determined to be 0.280 with the vapor pressure correlation. Thermodynamic properties of HFO-1234yf (2,3,3,3-tetrafluoropropene). Surface tensions were measured by the differential capillary-rise method in the temperature range from 273 K to 340 K and correlated by the van der-Waals type equation. 1185-1190. The positive azeotrope (R1234yf + R290) mixtures is a potential alternative refrigerant for its zero ozone depletion potential, ultra-low global warming potential, lower flammability than pure R290 and much better volumetric refrigeration capacity than pure R1234yf. The thermodynamic properties are based on the information provided in. Thermodynamic properties of hydrofluoroolefin (R1234yf and R1234ze(E)) refrigerant mixtures: Density, vapour-liquid equilibrium, and heat capacity data and modelling Saif ZS Al Ghafri , Darren Rowland , Masoumeh Akhfash, Arash Arami-Niya , Martin Khamphasith, Xiong Xiao, Tomoya Tsuji, Yukio Tanaka, Yoshio Seiki, Eric F. May , Thomas J. Hughes The M-SAFT-Mie EoS is a molecular model that takes explicitly into account dispersion and electrostatic interactions. and Rowland, D. and Akhfash, M. and Arami-Niya, A. and Khamphasith, M. and Xiao, X. and Tsuji, T. et al. The energy storage properties of the studied refrigerants can be enhanced when the sum of thermodynamic energy change of MOF particles and the desorption heat of fluid in MOFs is larger than the enthalpy change of pure organic fluid. title = "Thermodynamic properties of HFO-1234yf (2,3,3,3-tetrafluoropropene)". The acentric factor was determined to be 0.280 with the vapor pressure correlation. Vapor pressures were measured by a batch-type calorimeter with a metal-bellows in the temperature range from 310 K to 360 K and correlated by the Wagner-type equation. Equation of State for the Thermodynamic Properties of trans-1,3,3,3-Tetrafluoropropene [R-1234ze(E)]. Data, 56:3254–3264, 2011. doi:10.1021/je200369m. R1234yf has a critical temperature of 367.85 K.2 Under normal conditions, it is a stable material of low toxicity, although it is slightly flammable. Vapor pressures were measured by a batch-type calorimeter with a metal-bellows in the temperature range from 310 K to 360 K and correlated by the Wagner-type equation. R1234yf : Introduction. Thermodynamic properties of hydrofluoroolefin (R1234yf and R1234ze(E)) refrigerant mixtures: Density, vapour-liquid equilibrium, and heat capacity data and modelling. 2019. Thermodynamic properties of hydrofluoroolefin (R1234yf and R1234ze(E)) refrigerant mixtures: Density, vapour-liquid equilibrium, and heat capacity data and … Thermodynamic Properties of 2,3,3,3-Tetrafluoroprop-1-ene (R1234yf): Vapor Pressure and p-ρ-T Measurements and an Equation of State | NIST UR - http://www.scopus.com/inward/record.url?scp=76849102319&partnerID=8YFLogxK, UR - http://www.scopus.com/inward/citedby.url?scp=76849102319&partnerID=8YFLogxK, JO - International Journal of Refrigeration, JF - International Journal of Refrigeration. J. Chem. Powered by Pure, Scopus & Elsevier Fingerprint Engine™ © 2021 Elsevier B.V. We use cookies to help provide and enhance our service and tailor content. journal = "International Journal of Refrigeration", https://doi.org/10.1016/j.ijrefrig.2009.10.003. Thermodynamic properties of hydrofluoroolefin (R1234yf and R1234ze(E)) refrigerant mixtures: density, vapour-liquid equilibrium, and heat capacity data and modelling Saif ZS Al Ghafri, Darren Rowland, Masoumeh Akhfash, Arash Arami-Niya, Martin Khamphasith, Xiong Xiao, Tomoya Tsuji, Yukio Tanaka, Yoshio Seiki, Eric F. May, Thomas J. Hughes Measurements of pressure-density-temperature-composition properties, saturated densities, and critical parameters for the low-global warming potential refrigerant blend of the 50 mass% R1234yf (2,3,3,3-tetrafluoroprop-1-ene; CF 3 CF = CH 2) + 50 mass% R1234ze(E) (trans-1,3,3,3-tetrafluoroprop-1-ene; CF 3 CH = CHF) were measured with two types of isochoric methods. Eng. With a GWP of 4, and thermodynamic properties that closely match those of R134a, R1234yf would seem to be the ideal solution. Aside from the safety aspects, although the two refrigerants have similar thermodynamic properties, they are not the same. abstract = "Measurements of the thermodynamic properties of HFO-1234yf were conducted. Often there is a degree of uncertainty concerning flammability. Based on the critical parameters and acentric factor, saturated vapor and liquid densities were estimated by the Peng-Robinson equation and the Hankinson-Thomson equation, respectively. The critical temperature TC, critical density ÏC, and critical pressure PC, were measured by the visual observation of the meniscus disappearance, and were determined to be 367.85 ± 0.01 K, 478 ± 3 kg/m3, and 3382 ± 3 kPa, respectively. Science and Technology for the Built Environment: Vol. The R1234yf/M-MOF-74 (M = Co, Mg, Ni) nanofluid can store more energy than other refrigerants/M-MOF-74 (M = Co, Mg, Ni) nanofluid. Table 4. Vapor pressures were measured by a batch-type calorimeter with a metal-bellows in the temperature range from 310 K to 360 K and correlated by the Wagner-type equation. AB - Measurements of the thermodynamic properties of HFO-1234yf were conducted. 2,3,3,3-Tetrafluoropropene, HFO-1234yf, is a hydrofluoroolefin (HFO) with the formula C H 2 =CFCF 3.It is also designated R-1234yf as the first of a new class of refrigerants: it is marketed under the name Opteon YF by Chemours and as Solstice YF by Honeywell.. HFO-1234yf has a global warming potential (GWP) of less than 1, compared to 1,430 for R-134a and 1 for carbon dioxide. By continuing you agree to the use of cookies. For example, the R1234yf evaporator is significantly stronger than the one you would commonly find in an R134a system. It has been assigned a safety classification of A2L according to ASHRAE Standard 34.3 Inthepresentproject,wehavemeasuredthep F Tproper-ties and vapor pressures of R1234yf. 2,3,3,3-Tetrafluoropropene, or HFO-1234yf, is a hydrofluoroolefin with the formula CH2=CFCF3. (2016). WASM: Minerals, Energy and Chemical Engineering. The acentric factor was determined to be 0.280 with the vapor pressure correlation. Al Ghafri,a aDarren Rowland,a Masoumeh Akhfash, Arash Arami Niya, Martin aKhamphasith, Xiong Xiao,a,Tomoya Tsuji,b Yukio Tanaka,c Yoshio Seiki,d, Eric F. May.a Thomas J. e*Hughes, doi = "10.1016/j.ijrefrig.2009.10.003". Thermodynamic properties of hydrofluoroolefin (R1234yf and R1234ze(E)) refrigerant mixtures: density, vapour-liquid equilibrium, and heat capacity data and modelling Unfortunately, “ideal” did come with a few drawbacks. The most significant improvement in the description of VLE occurred for (R1234yf?+?R1234ze(E)) where the root mean squared deviation in the predicted vapour phase compositions decreased from 0.010 to 0.00084 (a factor of 12). Knowledge of reliable thermophysical property of refrigerant is essential for evaluating the performance in the refrigeration … Significant improvements in the predicted densities were achieved, for example the root mean squared relative deviation decreased from 0.33% to 0.021% for (R143a + R1234yf). Opteon™ YF (R-1234yf) is a hydrofluoroolefin (HFO) refrigerant with a low GWP that is ideally suited for use in automotive air conditioning systems. JavaScript is disabled for your browser. Vapour-liquid equilibria (VLE) and liquid isobaric heat capacities are also reported for some mixtures. The heat of vaporization was also calculated from the Clausius-Clapeyron equation. author = "Katsuyuki Tanaka and Yukihiro Higashi". HFO-1234yf - Thermodynamic Properties – SI units Thermodynamic Properties HFO-1234yf Liquid Vapor Liquid Vapor Liquid Vapor Temperature Pressure Density Density Enthalpy Enthalpy Entropy Entropy (°C) (bar) (g/cm³) (g/cm³) (J/g) (J/g) (J/g-K) (J/g-K) … The thermodynamic properties of the pure HFO compounds R1234yf and R1234ze(E) are quite well characterised. Purdue University Purdue e-Pubs International Refrigeration and Air Conditioning Conference School of Mechanical Engineering 2010 Refrigerant R1234yf Performance Comparison The R1234yf/M-MOF-74 (M = Co, Mg, Ni) nanofluid can store more energy than other Surface tensions were measured by the differential capillary-rise method in the temperature range from 273 K to 340 K and correlated by the van der-Waals type equation. Watch our traditional Aboriginal welcome. R-1234yf, or HFO-1234yf is soon to be one of the most popular refrigerants in the world. The thermodynamic properties of R1234ze(E) are represented in terms of the reduced molar Helmholtz free energy A as a function of temperature T and density ρ. Measurements of the thermodynamic properties of HFO-1234yf were conducted. Its global warming potential is also very low (GWP100 = 7). cf3ch=chcl r1234yf cf3cf=ch2 r1234ze chf=chcf3 (trans) r1234ze(z) chf=chcf3 (cis r124 chclfcf3 r125 chf2cf3 r1270 ch2=ch-ch3 r13 cclf3 r134a cf3ch2f r14 cf4 r141b ccl2fch3 r142b cclf2ch3 r143a cf3ch3 r152a chf2ch3 r161 c2h5f r170 ch3ch3 r21 chcl2f r218 cf3cf2cf3 r22 98: pp. The heat of vaporization was also calculated from the Clausius-Clapeyron equation. For the design and simulation of refrigeration systems using mixtures containing HFOs, accurate knowledge of thermodynamic properties including density, enthalpy, heat capacity and vapour-liquid equilibrium is important. a Cubic Equation of State Thermodynamic property data including specific enthalpy, specific entropy and specific volume were generated for the new refrigerant HFO-1234yf (2,3,3,3-tetrafluoroprop-1-ene) using the well-known Peng and Robinson cubic equation of state. Document IIF. Al Ghafri, S.Z. 22, Low GWP Working Fluids, pp. International Journal of Refrigeration. ... Viscosity measurements of ten refrigerant mixtures were conducted in the homogeneous liquid and gas phases with a vibrating-wire viscometer in the temperature range from (233 to 373) K at pressures up to 10.0 MPa. R1234yf provides thermodynamic and transport property data for HFO-1234yf (2,3,3,3-tetrafluoropropene, MW 114.04116 g/gmole). Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by-nc-nd/4.0/, Thermal conductivity measurements of refrigerant mixtures containing hydrofluorocarbons (HFC-32, HFC-125, HFC-134a), hydrofluoroolefins (HFO-1234yf), and carbon dioxide (CO2), Measurement and modelling of the thermodynamic properties of carbon dioxide mixtures with HFO-1234yf, HFC-125, HFC-134a, and HFC-32: vapour-liquid equilibrium, density, and heat capacity, Viscosity Measurements of Binary and Multicomponent Refrigerant Mixtures Containing HFC-32, HFC-125, HFC-134a, HFO-1234yf, and CO2, http://creativecommons.org/licenses/by-nc-nd/4.0/. Thermal conductivity measurements of eight binary refrigerant mixtures were conducted in the homogeneous liquid and vapour phases with the transient hot-wire technique. The measurements span temperatures from (252 to 294) K and pressures from (0.8 to 4.2) MPa. Some features of this site may not work without it. 249-260. Markus Richter, Mark O. McLinden, and Eric W. Lemmon. The acentric factor was determined to be 0.280 with the vapor pressure correlation. It is a combination of the SAFT-Mie EoS (Lafitte et al [11]) with the multipolar term developed by Gubbins and co … N2 - Measurements of the thermodynamic properties of HFO-1234yf were conducted.
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