R466a also known as honeywell solstice n41 is a mixture consisting of 49 weight% r32, 11. For t 180 k, all properties on the saturatedliquid line and saturatedvapour line were calculated as well, the density for the vapour fraction x 0. Refrigerant management track equipment, inventory, and maintenance across the organization dakotas refrigerant management application helps organizations comply with epa record keeping requirements by tracking usage, leak rates, exceedances, and action due dates across the organization. The potential for a single molecule of the refrigerant to destroy the ozone layer. R410a refrigerant, weve produced this booklet to explain the hype that. Pdf thermodynamic properties of refrigerant r116 from. R125, r4a, and r1234zee, r1234zee with r125 and r4a, and many others. This international standard is applicable to the refrigerants r12, r22, r32, r123, r125, r4a, r143a, r152a, r717 ammonia, and r744 carbon dioxide and to the refrigerant blends r404a, r407c, r410a, and r507a. Material safety data sheet 9 physical and chemical properties appearanceodor ph na specific gravity 1.
Energy saving refrigerant blends comprising r125, r4a, r600 or r600a neil a roberts1, owen r chambers2 1rhodia organique fine ltd, development laboratory avonmouth, bristol, uk. Energies free fulltext investigation and analysis of. Haynes physical and chemical properties division national institute of standards and technology 325 broadway boulder, colorado 80303 november 1996 prepared for the airconditioning and refrigeration technology institute under arti mclr project number. It acts as a heat carrier, which changes from gas to liquid and then change back to gas in refrigeration cycle. Simulate your system with the right refrigerant and export the results to excel. Technical information at22 thermodynamic properties of dupontz freon. Thermophysical properties of hcfc alternatives final report 1 april 1994 31 october 1996 w. Energy saving refrigerant blends comprising r125, r4a.
Lemmon pseudopure fluid equations of state for the refrigerant blends r 410a, r404a,r507a, and r407c. R125 refrigerant is a gaseous fire suppression agent which can be used in clean agent fire suppression systems. Thermodynamic properties of zeotropic mixtures of r600ar23r14 have been. R125 1,1,1,2,2pentafluoroethane, r125, freon 125, khladon 125, fc125, genetron hfc 125, suva 125, is a refrigerant that has zero ozone depletion potential. Flammability metrics for new lowgwp refrigerants nist. Nist national institute of standards and technology has released a new version of the nist standard reference database 23, thermodynamic and transport properties of refrigerants and refrigerant mixtures refprop. The properties of selected refrigerants is shown in table. Theoretical refrigeration cycle calculations with cycle properties and line sizing data.
R125 refrigerant is not only used in industries but, is also used as a key ingredient in a large number of refrigerant blends. The chart shows the pressure, temperature and enthalpy at the current mouse position. All refrigerants use r11 as a datum reference where r11 has an odp 1. Aspects on the development of hfo and hfohfc refrigerants. R466a is considered to be a replacement for refrigerant r410a. R407c products and service information agc chemicals. Refrigerants physical properties engineering toolbox. Chclf 2, chclfcf 3, cclf 2 ch 3 60% r122 25% r124 15% r142b. R410a is a 5050 mass percentage blend of r32 and r125 having a molar mass of 72. If you want me to add a refrigerant, just send me an email or post a message into the guestbook. Although accurate models for computation of thermodynamic properties. Properties of different refrigerants used for the analysis 10 table 1 s. Global r125 refrigerant market are defined as a chemical that is used for the cooling in air conditioners and refrigerators.
Refrigerant properties courses, free refrigerant properties information, data sheets, pressure enthalpy diagrams. It possesses outstanding properties as a refrigerant for air conditioners, chillers, vending. Iir member asme member detec, universita di napoli federico ii p. R125 refrigerant is one of the most prominent refrigerants used across various industries. With the discovery of the damaging effect of cfcs and hcfcs refrigerants to the ozone layer, the hfc family of refrigerant has been widely used as their replacement. Although this fluid is a mixture, its properties are wellrepresented by the equation of state developed by lemmon, as described in. Transport properties of refrigerants r32, r125, r4a, and. Thermodynamic properties of difluoromethane r32 and pentafluoroethane r125 are expressed in terms of 32term modified benedictwebbrubin mbwr equations of state. Unfortunately, the new lowgwp refrigerants are likely to be mildly flammable, and this characteristic represents a new risk that industry must now consider. Please select the desired standard state convention. R32, r125, and r4a, which are the components of r407c, have ozone. Select one r11 r12 r123 r1234yf r124 r125 r4a r22 r23 r245fa r32 r401a r401b r402a r402b r404a r407a r407c r407f r408a r409a r410a r414b r416a r417a r421a r422a r422b r422c r422d r424a r426a r427a r428a r434a r438a r448a r449a r450a r500. A computer software for thermodynamic properties computation. The recent equation of state for r125 adopted in this international standard was shown.
R125 is a nonozone depleting replacement for halon 1. This equation of state incorporates the scaling laws asymptotically close to the critical point and transforms into a regular. It has long been used in a variety of airconditioning and refrigeration applications in a variety of markets. Chlorodifluoromethane, chlorotetrafluoroethane, chlorodifluoroethane. Nonazeotropic refrigerant composition of co2, r125, r. Opteon xp44 r452a refrigerant low global warming potential refrigerants for air conditioning and refrigeration opteon refrigerants for air conditioning, refrigeration, and heat pump applications have the optimal balance of performance, environmental sustainability, safety, and cost. Thermodynamic comparison of r502 and r125 as vapor. The program accepts temperature as input and calculates different saturated. R125 pressure enthalpy chart the engineering mindset. With this density, all other properties that are defined within the twophase region can be calculated. These properties are pressure, temperature, volume, density, enthalpy, flammability, ability to mix with oil, moisture reaction, odor, toxicity, leakage tendency, and leakage detection. Although it has zero ozone depletion potential, it has high global warming potential, reported by the united states environmental protection agency epa as 3450 times that of carbon dioxide pentafluoroethane in a near zeotropic mixture with difluoromethane is known as r410a, a common replacement for various chlorofluorocarbons. Nist reference fluid thermodynamic and transport properties. For each refrigerant, coefficients are reported for the mbwr equation and for ancillary equations used to fit the idealgas heat capacity and the coexisting densities and pressure along the saturation boundary.
Its gwp of 675 is within the acceptable limits for refrigerant gases used in new equipment splits with a load less than 3 kg, put on the market from 01012025, in. The study of thermodynamic properties of zeotropic. Appendix b, equations of states for mixtures of r32, r. Citation international journal of refrigerationrevue internationale du froid. A nonazeotropic refrigerant composition as claimed in claim 1 whichadditionally comprises at least one hydrocarbon. The simulation results of r32r125r4a were compared with the. Download a pdf copy of the pressure enthalpy chart for both metric and imperial units. For full table with properties and applications rotate the screen.
It has high global warming potential, reported by the united states environmental protection agency epa as 3450 times that of carbon dioxide. The decision to use the low gwp refrigerant r1234yf in mobile air conditioning systems for passenger cars low gwp hfo refrigerant r1234yf also led to the development of alternatives for further mobile applications as well as stationary refrigeration, air conditioning and heat pump systems. Compare performance of multiple refrigerants learn the line sizing and many. If you are having trouble downloading this software, or are getting an error message, you may have a firewall issue. Isothermal properties isobaric properties isochoric properties saturation properties temperature increments saturation properties pressure increments.
This report addresses selected properties for four refrigerant blends. For instance, r22, r125, r4a, r404a, r407c, r410a, r507, r290. Morsy 3 refrigerant r12b1, r1, r115 and r717 or me. Refrigerant properties refrigerants can be characterized by a number of properties. R125 provides thermodynamic properties for r125 using the fundamental equation of state published by. Refrigeration n changes phase due to change in pressure n most common cryogens are n solid carbon dioxide n liquid carbon cook chill systems n used to replace warm. Refrigerant r125 physical properties molecular formula chf2cf3 molecular weight 120. Pentafluoroethane is a refrigerant with the formula cf 3 chf 2. Performance of hcfc22 alternative refrigerants conference. Freon refrigerants r11, r12, and r22, plus ammonia and water, will be discussed in terms of the abovementioned categories.
Refrigerant report contents essential revisionssupplements vs. A nonazeotropic refrigerant composition as claimed in claim 3comprising from 2 to 10% by weight co. A computer code has been developed with nist refprop 7. R4a is also known as tetrafluoroethane cf3ch2f from the family of hfc refrigerant. Performance of mixture refrigerant r152ar125r32 in. R32 is suitable for new equipment specifically designed for r32, in applications that used to use r410a. Derivation of equations of state for refrigerant mixtures containing r32, r125, r4a, r143a and r152a. Pdf experimental evaluation of r410a, r407c and r4a.
The global r125 refrigerant market is expected to register a 1. In the past, refrigeration equipment designers have based their work mainly on their. Arpus is a software for calculating temperature and pressure of agc. Thermodynamic properties of duponttm freonr 12 r12. Investigation and analysis of r463a as an alternative refrigerant to. Refrigerator mixtures are the combination of two or more pure refrigerant fluids. R125 refrigerant market size, share, growth and forecast. On the results page, you will get a detailed list of all the points around the cycle. Pt chart selection refrigeration supplies distributor. This work reports a ternary blend r152ar125r32 with a mass ratio of 481834 as a potential alternative to r22.
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