R170 refrigerant properties. Dec 1, 2023 · As introduced above, it is easy to see refrigerants R744, R744A, R23, R41, and R170 can be used as low-temperature refrigerants and applied to CRS for generating low temperature. It can be adopted for most common ULT applications. Choose a Refrigerant R-11 R-12 R-22 R23 R-123 R-124 R134a R-290 R-401A R-401B R-402A R-402B R-403B R404A R-407A R-407F R-407C R-408A R-409A R-410A R-417C R422B R-422D R-454B R-438A R-448A R-449A R-450A R-452A R-500 R-502 R-507 R-508B R-513A R-600a R-1233zd R-1234ze R-1234yf. 8 °C, which is why evaporation temperatures of A number of lower-GWP alternative refrigerants are available and currently in use or under development for use in residential and commercial AC systems—including hydrocarbons, carbon dioxide, ammonia, water, as well as HFC and HFO2 blends. Briton Refrigerant R1270, is refrigerant grade propylene (propene), a natural, or “not in kind”, refrigerant suitable for use in low and medium temperature refrigeration applications. In this paper, the performance of R744 and R744/R170 mixed refrigerants in refrigeration and air source heat pump systems is studied by the simulation method. 336 ODP 0 Refrigerant Reference Guide 62 5th Edition 2010 R-508B Technical Guidelines Replaces: R-503 and R-13 Applications: Very low temperature refrigeration (low stage of a cascade system) Perormancf e: • PT properties are very similar to R-503 and can be used to replace R-13 or R-503 in an existing system • Higher capacity and lower discharge Refrigerant. Thermodynamic and transport properties of refrigerants are necessary for predicting system behaviour and performance of components. The results showed a 10% increase in the COP compared with a Single-component refrigerants and azeotropes boil and condense at one temperature for a given pressure. Refrigeration plants with R290 have been in operation world-wide for many years, mainly in industry – it is a "proven" refrigerant. Aug 14, 2012 · Generally, the thermophysical properties of R290 and R1270 matched those of R22 and the two refrigerants exhibited better performance than R22 in sub-cooling heat exchanger refrigeration system. (NRI) is a worldwide refrigerant distributor that offers the widest selection of refrigerant products, including refrigerant oil, propylene glycol, HFCs, HCFCs, CFCs, Hydrocarbons and HFOs. 4% lower exergetic efficiency compared to the system using R41–R404A, with an increase in the annual plant cost rate of only Briton Refrigerant R601a (IsoPentane) C5H12 Briton Refrigerant R601a (Isopentane) is supplied as a liquid under its own vapour pressure in cylinders and in T11 ISO containers for international transport as well as road trailers and rail cars. Refrigerants commonly used in practice-. Pressure-volume-temperature (PvT) properties of refrigerants are computed from the equation of state. For HCs refrigerants (R134a, R600a), there are abundant data on the flammability limits of pure substances in the published literature, but there is still a lack of data on the flammability limits of HCs and HFCs refrigerant mixtures. Table 1. 013 25 bar (oC) -24. 2. Jun 5, 2023 · Park and Jung [14] experimentally explored the comparative thermodynamic properties of R290/R170 (under different mixture compositions) and R22 in a heat pump bench tester facility. From Table 1, it is observed that the computed ODP and GWP Common mineral oils of HCFC systems can be used here as a lubricant over a wide application range. Opteon™ XL40 has the optimal balance of properties to replace R-404A in positive displacement, direct expansion low and medium temperature commercial and industrial applications. The normal boiling point of R744A is -88. Equations have been developed, based on The most prevalent natural refrigerants in laboratory refrigeration are propane (R290), and ethane (R170) for ultra-low temperature applications. The heat transfer coefficient of the refrigerant in evaporators is increased by about 20% due to the better physical properties of R152a compared to R134a. g. 2 molecular weight, −187. 20 lb. Another refrigerant that has appeared as alternative in ULT refrigeration is R41 with zero ODP and low GWP (i. The amount of charge is reduced up to National Refrigerants, Inc. Nov 23, 2022 · To reduce refrigerants’ equivalent carbon emission, the natural refrigerants R290-R170 are adopted to build a CRS and applied in an ultralow-temperature freezer in the present study. The thermo-physical properties of different refrigerants considered in this work are listed in Table 1 . Aug 15, 2021 · This study presents a comprehensive comparative analysis of the thermodynamic performance of a single-stage Linde-Hampson refrigerator (LHR) for refrigerant couples, namely R1234yf + R170, R1234yf + R23, R1234yf + R41 and R1234yf + R1132a, to seek the most suitable substitute for R23 at the temperatures down to −60 °C. For additional information or answers to any questions, please contact us. Type:. For R170/R290 mixture, there is no problem with mineral oil since the mixture is composed of hydrocarbons. Mar 1, 2020 · R1132a/R170 binary mixture exhibits larger cooling capacity and COP (at −85°C evaporating temperature) than pure R170, R508B or when R1132a is blended with R116 (Low, 2018). Freon™ 23 offers: Similar properties to R-13 and R-502. (see Fig. 1) NH3 (Ammonia) Properties – Highly toxic, flammable, good thermal properties, highest refrigerating effect per kg of refrigerant. A refrigerant is a working fluid used in the refrigeration cycle of air conditioning systems and heat pumps where in most cases they undergo a repeated phase transition from a liquid to a gas and back again. Taking R404A/R23 CRS as an example, the natural refrigerant NH 3 is used to replace the high temperature cycle (HTC) refrigerant R404A, and the environmentally friendly refrigerants R1150, R170, and R41 are used to replace the low temperature cycle (LTC Feb 1, 2023 · In this work, the refrigerant R1233zd(E) (A1 ASHRAE safety code) is investigated for the possible substitution of refrigerant R161 (A2 ASHRAE safety code) in a cascade refrigeration system. ) of this substance, a Nov 30, 2016 · A safer alternative. National Refrigerants, Inc. Refrigerants in the HVACR industry New and evolving regulations on refrigerants can make it a challenge to stay up-to-date on current trends and cause uncertainty. Practical retrofit of R22. R170 Thermodynamic & Transport Properties (Based on Venus model C3H6. Refrigerant Dimethylether (RE170) is considered as a suitable replacement to R134a [22]. Refrigerants are heavily regulated due to their toxicity, flammability and the contribution of CFC and HCFC refrigerants to Oct 15, 2012 · Ozone depletion and the atmospheric greenhouse effect due to refrigerant emissions have led to drastic changes in the refrigeration and air-conditioning technology. 38 Critical pressure (M Pa) 5. Refrigerants R41 and R170 are selected for the LTC and R404A and R161 are chosen for HTC separately. However, the compressor must use a synthetic polyester lubricating oil. Refrigerant management services: refrigerant reclaim, cylinder refurbishing, refrigerant banking, AHRI certified labortory for testing and technical support. An ASHRAE A1 safety classification. Most pure refrigerants are flammable to some extent. 22) as a refrigerant to replace R134a. Sep 27, 2023 · Abstract. [3] assessed the performance parameters of azeotropic mixtures of R170/R23 and R170/R116 in the low temperature cycle of a cascade system. 78/0. Mass (kg/kmol Oct 31, 2019 · The thermophysical properties of refrigerant can be modified via adding solid materials to it. Aug 15, 2023 · We studied the adsorption and energy storage properties of R125 and R170 refrigerants in MIL-101, Cu-BTC, ZIF-8, and UiO-66. The refrigerant designation for N 2 O is R744A, as it has a molecular weight of 44 g mol −1, which happens to be the same molecular weight as CO 2 (R744). It is generally used in very low temperature industrial refrigeration applications and is a replacement for R23 and R5088. First, using the RASPA software,46,47 we computed the adsorption isotherms by means of classical Monte Carlo simulations in the Grand Canonical ensemble. But with the increasing Aug 1, 2009 · Gong et al. purdue. Physical Properties. To prevent further deterioration of the global environment, this study examines the coefficients of performance of 21 currently available refrigerants with very low global-warming potential and zero ozone-depleting potential under NATURAL REFRIGERANTS Ethane (R-170) Description Ethane (C2H6). 68% power consumption, reduce 29. Planning − R404A and R507A retrofit. This document is applicable to refrigerants R12, R22, R32, R123, R125, R134a, R143a, R152a, R290, R600a, R717 (ammonia), R744 (carbon dioxide), R1233zd(E), R1336mzz(Z), R1234yf and R1234ze(E) and to the refrigerant blends R404A This table gives physical properties, safe exposure limits, GWP and ODP for compounds that have been used as working fluids in traditional refrigeration systems or are under consideration as replacements in newer systems. 70 lb. A-501-21 - digital. The basic physical properties and enviriomental properties of refrigerant dimethylether (RE170) are shown in table1. Owing to the dangers associated with the use of HFCs, manufacturers are developing systems that rely on natural, safer refrigerant types such as hydrocarbons. Thermodynamic Properties of R-508B. In this paper, molecular Jan 5, 2022 · Different proposals of pure refrigerants and mixtures for the optimal operation of cascade systems can be found in the literature. Jan 1, 1991 · The publication presents a set of equations and constants for calculating thermodynamic properties of refrigerants. A significantly lower compressor discharge temperature vs. R170, a refrigerant Sep 1, 2020 · N 2 O – Nitrous Oxide. Physical Properties of Briton Refrigerant R290a The properties of R600a and R290 differ from other refrigerants commonly used in small her-metic systems, as shown in Table 1. Due to the lower gas viscosity, the pressure drop in the suction lines will be reduced by 30%. Trane, a leading air conditioner manufacturer, has already Nov 24, 2022 · The use of environmentally friendly refrigerants, such as R1233zd(E), in low-temperature technology as an alternative to the currently used refrigerants R245fa, R134a, R123 is considered. Practical retrofit of R404A and R507A. TEMP. Ethylene (R1150) is supplied as a compressed liquid in cylinders and ISO tube skids and as a cryogenic liquid in T75 cryogenic isocontainers for international transport. A non-ozone depleting azeotrope of R-23 and FC-116 used to replace R-13 and R-503 in the low stage of cascade systems. However, the fluorine-free refrigerant, R170, owns larger enthalpy di erence of desorption than the other refrigerants with fluorine under high pressure. R-508B 23/116 (46/54) A1 0 POLYOLESTER Properties May 6, 2023 · R50 and R170 are cryogenic liquids, of which the low boiling point is −162 and −88. (Trade Name) Components (Weight %) ASHRAE Safety Rating Temperature Glide (°F) Lubricants Comments Very Low Temperature and Cascade Refrigeration (R-13 and R-503 Type) R-23 100 A1 0 POLYOLESTER Properties similar to R-13; runs hotter on discharge side. It is an azeotrope, is nonflammable, and has no ozone depletion potential (ODP). There are many more variables that determine the overall comparative ASHP unit efficiency. The different thermophysical and environmental properties of these three investigated refrigerants were taken from the work of [ 32 ], and these are presented in Table 1 . Opteon™ XL40 (R-454A) is a mildly flammable refrigerant with low global warming potential (GWP) for replacement of R-404A in new equipment designs. 8 °C, which is why evaporation temperatures of Mar 1, 2019 · The properties of hydrocarbon refrigerant that class A3 high flammability as shown in Figure 7 below but zero ODP and GWP nearly zero, shown in Table 10-20 11 for R170 [66], R290 [67], R600 [68 Sep 1, 2023 · This paper builds a cascade refrigeration cycle (CRS) system for the requirement of producing ultra-low temperature of −80 to −50 ℃. The thermophysical properties of refrigerant can be modified via adding solid materials to it. Therefore, only one column is needed to show to show the pressure-temperature relationship for any phase-change process in a system. Compared to pure refrigerants R1270 and R170, the mixtures R134a/R1270 and R134a/R170 show different degrees of reduction in flame propagation speed. It is generally used in very low temperature industrial refrigeration applications such as LNG liquefaction processes. State equation, equation of saturated vapor pressure, equation of liquid volume, equation of specific heat capacity, enthalpy and entropy for R11, R12, R13, R14, R22, R23, R113, R114, R500 and R502 are presented. 94%, save 5. Similarly, the mixed refrigerant R134a/R1270 can be utilized as a viable medium-to-low temperature refrigerant in various applications, including household and commercial refrigerators, as well May 19, 2019 · A list of all important technical characteristics of the refrigerant R-744 Carbon Dioxide as well as its applications and history. Refrigerants R170 and R41 are indi-vidually chosen to be the LTC refrigerants, whereas R161 Table 1 Thermo physical properties of R170, R41, R161 and R404A [23] Refrigerant Molecular mass (gm/mol) Features and Benefits. 116). Description: R-170 refrigerant, alias R170, the Chinese name of ethane, the English name ethane, chemical formula C2H6, trade name Reflube 170. Specialty, Hydrocarbon Chemical Name & Components: R-170 (>98. Zero ozone depletion potential. It is a highly flammable refrigerant, so naturally it is not a suitable replacement product for fluorocarbon-based refrigeration systems. 1) The properties of the new zeotropic blends are somewhat different than the traditional refrigerants. 8784 bar at -90. 068 Normal boiling point at 1. See full list on docs. In this study, refrigerant R170 is used for LTC, while refrigerants R32, R515B, and R466A are used for HTC in the cascade refrigeration systems to reduce Retrofit - R13, R23 and alternative refrigerants. 78 Critical temperature (K) 400. Solutions by BITZER for future refrigerants. Previous research studies have found that R290 has a higher cooling capacity than R12 and similar COP when tested in a propriety vapor compression refrigeration unit (Halimic Dec 1, 2023 · The mixed refrigerant R170/R1270 may be a very promising alternative refrigerant for R32 for refrigeration systems including household air-conditioners. Oct 31, 2019 · The Energy Storage Properties of Refrigerants (R170, R134a, R143a, and R152a) in Mof-5 Nanoparticles: A Molecular Simulation Approach. Highly accurate properties on the most common refrigerants are required to optimize the design of commercial equipment. R134a, as a flame retardant, changes the flame propagation speed of R1270 and R170. Feb 15, 2023 · The three refrigerant pairings R32/R170, R466A/R170, and R515B/R170 that combine zeotropes, azeotropes, and natural refrigerants were employed in this study to analyze the cascade refrigeration May 1, 2022 · As reviewed above, the research on refrigerants has been ongoing and many valuable conclusions have been obtained. Q Wang et al. We have used a combination of Lennard-Jones and Aug 18, 2023 · proposed an azeotropic combination of CO 2 /R170 (0. Abstract: The thermophysical properties of refrigerant can be modified via adding solid materials However, the fluorine-free refrigerant, R170, owns larger enthalpy di erence C 2 H 4. , the California Air Resources Board). It also […] Oct 11, 2016 · refrigerant refrigeration cycle. 25 MPa pressure. Alternative substances for R290a is R600a and R1270. Jan 27, 2024 · Refrigerant efficiency is quoted in absolute terms with reference to the refrigerant properties. The pull-down process of the freezer is measured with a freezing temperature T freezing of − 80 °C. Download scientific diagram | Properties of R170, R290, R600, and R600a from publication: The Data Mining Technique Using RapidMiner Software for New Zeotropic Refrigerant | This research presents 508B. For this reason, environmentally benign, `natural' refrigerants have attracted a considerable attention. 5%) Ethane-128. Usage Refrigerant gas for low temperature application ( -70ºC). Ethane (R170) is supplied as a compressed liquid in cylinders and ISO tube skids and as a cryogenic liquid in T75 cryogenic isocontainers for international transport. Meanwhile, the periodic operation performance of the Product Description. Refrigerant Components BP R-170 R-170 (>98. As more and better data on the “new” refrigerants have become available, we have continually updated the program to implement the most accurate pure fluid and mixture models available. 2°F Refrigerant -80°F -40°F 0°F 40°F 80°F Refrigerant Boiling Point Physical Properties Opteon™ XL40 (R-454A) is a mildly flammable refrigerant with low global warming potential (GWP) for replacement of R-404A in new equipment designs. 67% carbon dioxide emission and decrease 5% exergy economic cost. lib. Ethane gas , Methylmethane R170 Refrigerant , Colorless Odorless Gas. As a result, It burns hotter and cleanly way rather than fuel or oil and became more efficient. This leads to a different design of details in many cases. The authors demonstrated a 10% improvement in the COP for the combination R170/R116 and a 40% improvement in the cooling capacity for the ternary mixture. Key properties of the main refrigerants are given in together with their typical application ranges; R170 R170 ETANO is a pure hydrocarbon (HC), with a minimum purity New tables of the thermodynamic properties of Freon™ 404A (R-404A) refrigerant (ASHRAE designation: R-404A [44/52/4]), a near azeotropic blend of HFC-125/HFC-143a/HFC-134a, have been developed and are presented here. 46% and 5. e. Use in low pressure centrifugal chillers, which are most often used to cool large buildings. Comparison of computed ecological properties (ODP and GWP) of refrigerant RE170 with results from related literature is given in Table 1. Jul 30, 2017 · R152a also has superior thermodynamic characteristics to R134a and HFOs. To analyze the performance of refrigeration cycle thermodynamic properties of refrigerants are required. Physical properties of refrigerants - molecular weight, boiling, freezing and critical points. This document specifies the thermophysical properties of several commonly used refrigerants and refrigerant blends. 7 °C of molecular points, and 4. zd (R-1233zd) Solstice ® zd is a non-flammable, ultra-low GWP replacement for R-123 for low pressure centrifugal chillers offering better capacity and similar efficiency to R-123. 74 Refrigerant Reference Guide 7th Edition 2020. General Information and notes. 3%. CARB maintains a list of GWPs for some common refrigerants. 2: Physical Properties of Refrigerants Refrigerant Mol. Product Data Summary and Thermodynamic Tables. R170 is a hydrocarbon refrigerant - the ozone layer without damage, and the greenhouse effect is very small, it refrigerants. Briton Refrigerant R601a (IsoPentane) C5H12 Briton Refrigerant R601a (Isopentane) is supplied as a liquid under its own vapour pressure in cylinders and in T11 ISO containers for international transport as well as road trailers and rail cars. The high-temperature circuit refrigerant R1233zd(E) is evaluated with the low-temperature circuit refrigerants R41 and R170 for thermo-economic consideration. Uses – It is widely used in large industrial and commercial refrigeration systems. lb. The refrigeration industry is moving back to pure refrigerants, which includes R290, CO2, R32, etc. These properties make it a candidate refrigerant for applications Feb 15, 2023 · The cascade refrigeration system (CRS) uses two types of refrigerants with different boiling points which individually work as the higher-temperature cycle (HTC) and the low-temperature cycle (LTC), with a heat exchanger combining them. Gong et al. Dec 1, 2009 · The mixture of R170/R290 mixture at 4%/96% composition shows the similar capacity and COP as those of R22. The change trend of coefficient of performance (COP), refrigeration/heat capacity, power consumption with discharge pressure, and the ratio of R744 is analyzed. For more information, please visit the IPCC website. Document as PDF. Freon™ 95 is a perfluorocarbon (PFC) based azeotropic blend comprised of R-23 and R-116 refrigerants. Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! Oct 31, 2019 · The thermophysical properties of refrigerant can be modified via adding solid materials to it. In the present paper, a −80 °C CRS freezer is designed for the COVID-19 vaccines storage and transportation by utilizing refrigerants R290-R170. Dec 1, 2023 · The stoichiometric concentrations of R1270 and R170 in complete combustion are 4. The findings indicate that compared with the use of R134a, the system with a CO 2 /R170 refrigerant blend has a greater COP of 31. For new equipment and retrofits. Download scientific diagram | Properties of R170, R290, R600, and R600a from publication: Development of Environmentally Friendly and Energy Efficient Refrigerants for Refrigeration Systems | This Apr 5, 2024 · Due to the impact of global warming and climate change, more and more people are starting to have a clearer understanding and vigilance about greenhouse gases. Polyol esters (POE) and polyalpha olefins (PAO) offer even more favorable properties. Data Comparision API. In this paper, molecular simulations and thermodynamic calculations were employed to investigate the adsorption and energy storage of ethane (R170), 1,1,1,2-tetrafluoroethane (R134a), 1,1,1-trifluoroethane (R143a), and 1,1-difluoroethane (R152a) in metal organic framework (MOF)-5 nanoparticles. R-23, ensuring optimum system reliability for critical applications. 5 °C and the triple point is reached at a pressure of 0. The most common refrigerant today, R-22, has a 100-year GWP of 1,810, almost 2,000 times the potency of carbon dioxide, so just one pound Sep 1, 2020 · N 2 O – Nitrous Oxide. For more comprehensive data the refrigerant supplier or reference texts should be consulted. R1270 is a flammable refrigerant and therefore May 28, 2018 · R134a is capable to be at temperatures of -28°C at room temperatures of 38°C, its performance being very similar to that of an R12. REFRIGERANTS & LUBRICANTS ASHRAE No. (2009) experimentally compared the mixtures R170/R23, R170/R116, and R170/R23/R116 against the fluorinated refrigerant R508B in the low stage of a cascade cycle at -80 °C. By using small quantities of refrigerant, manufacturers have been able to minimize the potential flammability of the system while drastically reducing the global warming potential of refrigeration Oct 31, 2019 · The results show that the fluorine atom in the refrigerants will strengthen the adsorption of refrigerants in MOF-5, but the fluorin-free refrigerant, R170, owns larger enthalpy difference of desorption than the other refrigerants with fluorine under high pressure. . 58 °C, and they can be used for extremely low-temperature refrigerants (−80 °C). [1], and the results showed that the optimum low pressure value for the coefficients of performance (COP) was obtained when the minimum A time horizon of 100 years is used by regulators (e. It is a high boiling point hydrocarbon generally used in industrial refrigeration applications including LNG liquefaction. Compared with HFC refrigerant pair R404A-R508B CRS, R290-R170 CRS could improve the COP by 5. 10 9 lb. edu Jun 22, 2022 · R170 (ethane) and R1150 (ethene) are the only hydrocarbon refrigerants with normal boiling points suitable for ultra-low temperature refrigeration (below -50°C). Retrofit - R13, R23 and alternative refrigerants. Solstice. Substance R1233zd(E) - trans-1-chloro-3,3,3-trifluoro-1-propene - refers to fluorinated hydrocarbon compounds. In addition, optimal parameters of the system are discussed in Aug 28, 2019 · In the cascade heat exchanger, the LTC refrigerant rejects the heat which is absorbed by HTC refrigerant. Table 1: Properties of refrigerant RE170 Properties RE170 Molecular weight (kg/kmol) 46. 30% greater cooling capacity than R-13 and (a) R170, (b) R134a, (c) R143a, (d) R152a from publication: The Energy Storage Properties of Refrigerants (R170, R134a, R143a, and R152a) in Mof-5 Nanoparticles: A Molecular Simulation Approach discuss general properties of Freon™ 507 and how it may be used in refrigeration applications. A time horizon of 100 years is used by regulators (e. Replacement Refrigerants. In the group of natural refrigerants, hydrocarbons are the most closely related to the HFCs with similar thermodynamic and Home Water&Steam Air Refrigerant Define Mixture Moist Air Pure Fluild . Characteristics Aug 15, 2021 · The optimization of the performance of a single-stage LHR operating with six different binary refrigerants (R23+R134a, R23+R227ea, R23+R236ea, R170+R290, R170+R600a and R170+R600) was conducted by Ref. The most common refrigerant today, R-22, has a 100-year GWP of 1,810, almost 2,000 times the potency of carbon dioxide, so just one pound Aug 24, 2021 · R290 Refrigeration Gas Properties: R290 refrigerant gas has a fantastic and outstanding thermodynamic properties combination. For the mixture, the compressor discharge temperature is 17–28 °C lower than that of R22. These alternatives and their potential applications are described on the next page and summarized in Jan 1, 2023 · The results show that the optimal refrigerant pair is propane-ethane (R290-R170). Refrigerant gases such as R290 (a propane) are increasingly being used due to their high thermodynamic performance and low environmental impact. Some are also used as solvents, blowing agents, and fire suppressants. Freon™ 23 is a nonflammable refrigerant that works well in applications where a high compressor discharge temperature is not a concern. 4 investi-gated the performance of auto-cascade refrigerator operating with two vapor–liquid separators and six bin-ary refrigerants (R23/R134a, R23/R227ea, R23/ R236fa, R170/R290, R170/R600a, and R170/R600) with a new approach at the temperature level of 260 C. R170 has been reported to be suitable for low temperature commercial equipment as well as large commercial and industrial equipment. The results The thermophysical properties of refrigerant can be modified via adding solid materials to it. Planning − R22 retrofit. These tables are based on extensive experimental measurements. Benefits include: An ASHRAE A1 classification. Here, the physical properties of five low-temperature refrigerants are collected and listed in Table 1 . Some of the desirable properties of an ideal refrigerant include: High Thermal Conductivity: The refrigerant should have high thermal conductivity to facilitate efficient heat transfer during the refrigeration cycle. 66%, respectively. 5%) Ethane SDS/MSDS: Airgas Pressure Temperature Chart: R-170 Best Use: Used as a propellant for pharmaceutical aerosols and as clean agent fire suppressant. On the system, a performance analysis was done. Feb 1, 2022 · Gong et al. R290a serves as a substitute for refrigerants R22 and R502. May 26, 2023 · Refrigerant R404A is taken for the HTC, as a common refrigerant, whereas R41 and R170 are separately taken as the refrigerants in the LTC. Table 1: Refrigerant data comparison Refrigerant R290 R600a R134a R404A R22 R12 Name Propane Isobutane 1,1,1,2-Tetra-flouroethane Mixture R125 R 143a R134a Chloro- An ideal refrigerant should possess a combination of properties that make it efficient, safe, and environmentally friendly. To calculate the equilibrium characteristics (density, entropy, etc. [3] indicated that R170/R116 and R170/R23/R116 showed good performance as the candidate refrigerants of R503 used in the low-stage loop of the two-stage cascade system. The thermal energy storage capacity of the refrigerant/MOF-5 mixture is larger than that of the pure refrigerant at low pressure. R290 has 44. Properties Freon™ 507 is a mixture of hydrofluorocarbon refrigerants HFC-125 and HFC-143a. It also […] The system using refrigerant pair R170–R404A has achieved only a 2. Danfoss is committed to providing you with the best and latest information, so you make confident decisions about the refrigerants you use with our products and in HVACR applications. It is non-toxic, with zero ODP (Ozone Depletion Potential) and very low GWP (Global Warming Potential). Jan 1, 2023 · Based on the desirable refrigerant properties, negligible GWP and zero ODP, the natural refrigerants R290 and R170 are recommended as HTC and LTC fluids. In this paper, molecular simulations and thermodynamic calculations were employed to investigate the adsorption and energy storage of ethane (R170), 1,1,1,2-tetrafluoroethane (R134a), 1,1,1-trifluoroethane (R143a), and 1,1-difluoroethane (R152a) in C 2 H 6. Basic properties are provided in Table 1. rp oz yr dh jf ck mw qy xo pp