R134a table calculator Stability of Freon™ 134a with Metals and Lubricating Oils Oil Mineral Oil Mineral Oil UCON RO-W-6602* Mobil EAL Arctic 32** Castrol Icematic SW 100** Oil Viscosity, cSt at 40 °C (104 °F) 30. 7 7-13. 8 32. Tables 5-9: The nomenclature in the tables has been changed slightly to make it more readable. 7-42-41. 28 MPa - 0. Rating: 9 Calculation of time taken for level to drop from H to H1 in a tank with known diameter and discharge piping (length, diameter, fittings). Table C-3 presents data for superheated vapor over a matrix of temperatures and pressures. 7 125 134 29. 45 o C). 97 98. 13 96. °F to °C or Fahrenheit to Celsius Calculator °C = (°F - 32 ) x 5 / 9; Pressure Conversions. xls. 1-43-41. Home; Calculator; Help-Calculator; Online calculator with Superheated Steam Table. 4 psi g Appendix C: Property Tables for R134a - Cambridge Tables C-1 and C-2 present data for saturated liquid and saturated vapor. 3 0. ( °C) °C to °F or Celsius to Fahrenheit Calculator °F = °C x 5 / 9 + 32 °F to °C or Fahrenheit to Celsius Calculator °C = (°F - 32 ) x 5 / 9; R134A PT chart is a standard table. R134a Steam Table Calculator; Internal Energy of Steam Calculator; Pool Table Room Size Calculator; Dining Room Table Size Calculator; Compressible Flow Tables. u. Table 3. 06 MPa - 0. As we can see, the target superheat here is 20. Knowing how its pressure and temperature work together is key for keeping systems running well. ; Calculated Process Changes: All psychrometric process changes between the points. However, it’s just easier to use this superheat calculator that does the same Table A–12 Saturated refrigerant-134a— Pressure table Table A–13 Superheated refrigerant-134a Figure A–14 P-h diagram for refrigerant-134a Figure A–15 Nelson–Obert generalized The gas constant is calculated from R R u/M, where R u 8. 9 57; 13. 8 105; 40. The tables include data for temperature, pressure, specific volume, internal energy, enthalpy, and entropy The subcooled R-134A liquid freon temperature, as read by a digital or IR thermometer, is 82°F. Last Modified. 6-44-42. You are not logged in. Here is an example to calculate r12 to r134a capacity conversion. 8 59; 15 109; 42. Dr. 1,1,1,2-tetrafluoroethane, R-134a, Forane 134a, Genetron 134a, Florasol 134a, Suva 134a or HFC-134a, also known as norflurane (INN), Single Value Table. The calculator helps you predict R-134a’s properties at various temperatures and pressures, so you can optimize Calculate online thermodynamic and transport properties of water and steam, based on industrial (IAPWS-IF97) or scientific (IAPWS-95) Steam Tables Calculator v8. Superheated R-134a Thermodynamic Properties Tables for Pressures 1600 kPa, 2000 kPa, 3000 kPa, 4000 kPa, 6000 kPa, and 10000 kPa. 06°C) Saturation Properties - Pressure Table (60 kPa - 3 MPa) Superheated Vapor Properties - (0. 3 106; 41. 20 95. Note: Underline figures are in. The calculator lets you easily visualize refrigeration cycles, identify various isolines, and understand the unique properties of Saturation Properties - Temperature Table (-40°C - 20°C) Saturation Properties - Temperature Table (20°C - 101. Enter the original R12 refrigerant amount in grams. 3) click on "Calculate" to get the properties Superheated R-134a Thermodynamic Properties Tables for Pressures 300 kPa, 400 kPa, 500 kPa, and 600 kPa. Two tables are under the chart: Calculated Point Values: All psychrometric properties of the plotted air conditions. 33. 0) developed by the National Institute of Standards and Technology (NIST) for 1,1,1,2-tetrafluoroethane. We recommend that you DO NOT use it: As a resource called by other software for property data; In any critical application; If you require a reliable source of thermodynamic properties, purchase a copy of REFPROP. The thermophysical and transport properties given in the attached tables are An R134a calculator for the pressure enthalpy diagram allows you to easily analyze and interpret the properties of the refrigerant. 7 52; 11. T=273. 3-48-44. It was chosen as the preferred equation of state because it provided the most accurate fit of the thermodynamic data over the entire range of temperatures and pressures presented in these tables. Plus and minus buttons add and subtract values in intervals of 1 to their related input fields. The R134a Tables Calculator gadget is based on the Industrial Formulation for the Thermodynamic Properties of HFC-134a. Function RR134a_Ps Calculation Reference. 9 588. of Sound, ft/s Liquid Vapor Viscosity, lbm/ft. Let’s calculate R-134A subcooling: Subcooling (R-134A) = 88°F – 82°F = 6°F. K m3/kg kJ/kg kJ/kg kJ/kg. T = -26. Refrigerant Slider also Online calculator with Superheated Steam Table. 1 53; 11. Lower limit for calculation: -70 C, 1 bar upper limit Temperature: Calculation of thermodynamic state variables of Tetrafluorethan - R134a in saturation state, boiling curve. The tables attached were developed based on a refrigerant property database (REFPROP 7. 6 54; 12. 06 MPa (Tsat = -37 R-134a (1,1,1,2-tetrafluoroethane) IP The tables and diagrams below were calculated using the REFPROP property package. R-134a Thermodynamic Properties Table . Where: v = Specific volume u = Specific internal energy °C to °F or Celsius to Fahrenheit Calculator °F = °C x 5 / 9 + 32 °F to °C or Fahrenheit to Celsius Calculator °C = (°F - This page titled 7. Our Pressure Temperature Chart for the selected refrigerant is available for quick access; just use the button labeled (P/T). net > Daemons > Basics > Tables > R-134a SI Units English Units Superheated refrigerant-134a deg-C m3/kg kJ/kg kJ/kg kJ/kg. 2) select the calculation mode and enter the independent variables: always the pressure and either the temperature and the quality if the saturation temperature is set (P,T,x), or the enthalpy (P,h), or the entropy (P,s). Thermodynamic properties of R134a (1,1,1,2-Tetrafluoroethane) and R718 (water) have been developed as a Microsoft Excel add-in called ThermoAnalysis. This complimentary calculator is provided for all to use but it receives minimal support. kJ/kgK v. 0°F. kJ/kg. Calculation Preview. Where: v = Specific volume u = Specific internal energy h = Specific enthalpy s = Specific entropy. 0 76. 015 bar bar upper limit : 100 C, 39 bar. 4-46-43. Critical Pressure: 4. h. The data fit and calculation of constants for HFC-134a were Superheated Refrigerant 134a Calculator Purpose of the calculator Predicting properties of superheated refrigerant 134a. Equations displayed for easy reference. 3: Appendix C - Thermodynamic Properties of R134a is shared under a not declared license and was authored, remixed, and/or curated by Claire Yu Yan via source content that was edited to the style and standards of the LibreTexts platform. When you have 2 temperatures (measured by manifold gauge and clamp-on thermometer) you can just insert them in the calculator, Thermophysical Properties of Fluid Systems. 31447 kJ/kmol·K and Mis the molar mass. 5, 1994. 2-41-40. We recommend that you DO NOT use it: As a resource called by other software for property data; R-134a Properites - SI Units. Superheat refers to the temperature Refrigerant Slider, now a part of Ref Tools, helps you quickly calculate the pressure-to-temperature ratio for more than 80 refrigerants, including natural refrigerants such as ammonia and transcritical CO 2. Enter pressure and temperature and Table 1 lists the experimental pressure-volume-temperature (PVT) data sets for R134a. R134a Property Tables: Saturation Properties - Temperature Table (-40°C - 20°C) Saturation Properties - Temperature Table (20°C - 101. This is a R134a¶ References¶ Equation of State¶ Reiner Tillner-Roth and Hans Dieter Baehr. 3366 0. °F. 529: Sensitivity Analysis Graphs. The data fit and calculation of constants for HFC-134a were This complimentary calculator is provided for all to use but it receives minimal support. 6 MPa) Online calculator with Saturated Steam Table by Pressure. It will be (R12 charge specification The data fit and calculation of constants for HFC-134a were performed at the National Institute of Standards and Technology (NIST) [4]. The data fit and calculation of constants for HFC-134a were This gives curve fits for thermal and transport properties of R-134a, which is the major refrigerant used in residential and automotive air-conditioning. Chem, Ref. How to Use a P-h Diagram R134a Calculator. Click “Convert to R134a” to see the equivalent R134a Use an R134a ph diagram calculator to analyze and understand the thermodynamic properties of R134a refrigerant. Membership Services. Quantity Value Unit; Refrigerant-Inlet refrigerant flow: kg/h: Inlet refrigerant pressure: bar: Inlet Tube inner diameter: mm: Tube inner surface roughness: mm: Output Table Click HVAC App to Calculate Subcooling. Once the closest values are found, the calculator saves the ones that are before and after the input value and then performs a single or double interpolation (depending on the case) on every propierty for the selected input. 0°F there as well. Find the temperature, pressure, and enthalpy values for different states of R134a using this online tool. 2 °C. Common Thermodynamic Properties Transport and Misc CoolProp is an open-source thermophysical property database and wrappers for a selection of programming The MBWR equation of state was used to calculate the tables of thermodynamic properties. The P-h diagram R134a calculator is a useful tool for engineers and technicians working with refrigeration systems. Sat Refrigerant Capillary Design Calculation Input Table. h Thermal Cond. Inputs °F--Calculate. Table C-1 is presented information at regular intervals of temperature while Table C-2 is presented at regular intervals of pressure. 06°C) Saturation Properties - Pressure Table (60 kPa - 3 MPa) Appendix C: Property Tables for R134a Tables C-1 and C-2 present data for saturated liquid and saturated vapor. csv or . 06°C. Use the ALT + F11 key to see the functions. 15, the calculated value(s) are given in table below. °C CoolProp Fluid Properties Calculator . json files): Excel steam tables Watch this screencast: Using the steam tables spreadsheet. In the IP unit system, REFPROP converts from SI to IP using the definition of the thermochemical Btu. ft. 2 This is a very simple equation anybody can use to calculate superheat directly. This document contains tables with thermodynamic property data for saturated liquid and vapor refrigerant 134a (R-134a). Download Windows 64 bit | Latest version: 2. 9 3-16. ; Users with the "Complete Plan", can save up to 15 Projects and the chart, input fields Calculated results. Application of FluidEXLGraphics in Excel® The FluidEXLGraphics Add-In has been developed to calculate thermodynamic properties in Excel® ®more conveniently. The MBWR equation of state was used to calculate the tables of thermodynamic properties. The charts start at the low end (-49°F) and tell you the pressures all the way to the high end (150°F). Fluid Properties of Refrigerants . 2 0. v. s. 2 6-14. Use the refrigerant drop down for access to over 100 refrigerants. 23, No. R134A. Table C-1 R134a Properties Gadget. 05 97. Fluid Mechanics . Downloads: 39. 2 104; 40-45-42. This guide will teach you about R134a's pressure and temperature, helping you manage your The MBWR equation of state was used to calculate the tables of thermodynamic properties. 9-47-43. Phys. 7 MPa) Superheated Vapor Properties - (0. Superheat Calculator. 4 108; 42. 2: Critical Density: 512: Critical Pressure: 4059: Enthalpy: 5897. The subset coven; a broad range of temperature, Air conditioning refrigerant capacity all cars R134a table filling chart. This tool is designed to accurately represent the thermodynamic state of fluids such as the refrigerant R134a. Scientific Calculator Popup. Results are plotted in the chart, but also as numbers in tables. link to the source: http://www. Properties of Refrigerants . Where: v = Specific volume °C to °F or Celsius to Fahrenheit Calculator °F = °C x 5 / 9 + 32 °F to °C or Fahrenheit to Celsius Calculator °C = (°F - 32 ) x 5 / 9; Superheated steam can be calculated using steam tables or by applying the principles of thermodynamics to determine the properties of steam beyond its saturation point. m 3 /kg. , Btu/h. R-134a Thermodynamic Properties Tables for Temperatures -70 °C to 101. . Tillner-Roth and H. Where: v = Specific volume u = Specific internal energy °C to °F or Celsius to Fahrenheit Calculator °F = °C x 5 / 9 + 32 °F to °C or Fahrenheit to Celsius Calculator °C = (°F R134a Pressure-Temperature Calculator Enter Temperature (°C): Calculate Pressure R134a refrigerant is a key coolant in HVAC systems and car air conditioners. P = 100 kPa (Sat. kJ/kgK P = 50 kPa (Sat. 27 94. Accurate thermophysical properties are available for several fluids. 821: Entropy: 1921. The data fit and calculation of constants for HFC-134a were How to Use This Calculator. R-134a Properties Calculator. 8 5-15 55; 12. Critical Temperature: Critical temperature of R-134a (K) HVAC App to Calculate Superheat. R134a provides thermodynamic properties for R134a using the fundamental equation of state developed by R. 17 Mar 2011 . This is Thermodynamic properties of refrigerant R-134a, also known as 1,1,1,2-tetrafluoroethane, R-134a, Freon 134a, Forane 134a, Genetron 134a, Florasol 134a, Suva 134a or HFC-134a and norflurane (INN). 6 9-12. Includes 53 different calculations. Calculation of thermodynamic state variables of tetrafluorethane - R134a. 8-40-40 10-12. 0° C -18. Target Superheat (R-134A) = (3 × 70°F – 80°F – 90°F) / 2 = 20. For full table with Enthalpy and Entropy in Liquid and Vapor - rotate the screen! Steam enthalpy can be calculated using thermodynamic tables or equations specific to the steam properties, such as the steam tables provided by organizations like ASME or Saturated Vapor Pressure, Boiling Point(dew point), Latent Heat of Vaporization are saturated properties, just enter One parameter to calculate them! Aug 1, 2011 With ThermoState, you can calculate thermo-physical properties of fluids, Plot on state diagrams, model simple thermodynamic cycles. D. A International Standard Formulation for the Thermodynamic Properties of 1,1,1,2-Tetrafluoroethane (HFC-134a) for Temperatures from 170 K to 455 K R134a . 8 MPa - 1. 8 Refrigerant R-12 R-12 Freon™ 134a Freon™ 134a Freon™ 134a Ratings Neat Oil — — 0 0 0 Oil/Refrigerant 4 4 0 0 0 Content R134a Refrigerant Pressure Temperature Calculator like the condenser pressure, evaporator pressure, volume flow per ton, COP and power per ton for various refrigerants for a specified Evaporator and Condenser temperatures namely--15 oC and 40 oCData for quick The Target Superheat Calculator is a valuable tool used in the field of HVAC (Heating, Ventilation, and Air Conditioning) to determine the optimal superheat level in a refrigeration system. 33 98. 6 MPa) Saturation Properties - Temperature Table (-40°C - 20°C) Saturation Properties - Temperature Table (20°C - 101. 328 93. nrf. 4 56; 13. 36 o C). 24 MPa) Superheated Vapor Properties - (0. Lower limit for calculation: -70 C, 1 bar upper limit: 180 C, 300 bar. 4 108. xlsx) steam tables (we recommend using Excel format unless you have a specific reason to use . This tool allows you to plot pressure-enthalpy data and determine the state of the refrigerant at specific Software applications and libraries (Excel Add-in and ActiveX DLL) for Windows Desktop for calculation of thermodynamic and transport properties ofwater and steam, humid (moist) air, carbon dioxide, R134a, R123, ammonia, methane, R134A Pressure-Temperature Chart-49-45: 1-17. Related Resources: thermodynamics. 3 213. 1 102; 38. 9 107; 41. eu WARNING!! NRF Change they web, so new link a KCE-ThermoFluidProperties Prof. R12 to R134a Conversion Calculator: If the R12 charge value is 3 lbs. Data, Vol. Download Table A–11E Saturated refrigerant-134a—Temperature table 966 Table A–12E Saturated refrigerant-134a—Pressure table 967 Table A–13E Superheated refrigerant-134a 968 Figure A–14E P-h diagram for refrigerant-134a 970 Table A–16E Properties of the atmosphere at high altitude 971 Table A–17E Ideal-gas properties of air 972 Table-B. Hans-Joachim Kretzschmar 2/1 2. This calculator allows users to calculate the properties of R134a refrigerant at Refrigerant Superheat and Subcooling Calculator By Ethan Dunbar Refrigerant Type R-22 R-410A R-134a R-404A R-407C Liquid Line Pressure Liquid Line Temperature Vapor Line Pressure Calculation of thermodynamic state variables of tetrafluorethane - R134a. R-134a replaces the CFC R-12 and in few years will replace the HCFC R-22. These values can be obtained from pressure-enthalpy Tables 5-9: A revision of the physical property routines and calculation methods has occurred so that all physical properties used in the calculation are now obtained from the most recent physical property datasheets for each refrigerant. 059 MPa, Critical Temperature 101. You can check the target superheat chart below and see that you get 20. Lower limit for calculation: -90 C, 0. 7 103; 39. 2021 0 1430 A1 Refrigerant Reference Guide 23 5th Edition 2010 R-134a Technical Guidelines Applications: Household appliances, refrigeration (commercial and self-contained equipment), centrifugal chillers and automotive air conditioning Perormancf e: • Similar PT properties in This helps to provide the correct R134a charge. mercury vacuum. 0 -> IAPWS-IF97 (Industrial Formulation) - Powered by Steam97 ActiveX Dll from MegaWatSoft. 3 58; 14. The R134a calculator works based on the principles of the Pressure-Enthalpy (P-h) diagram, which is a graphical representation of the thermodynamic properties of a refrigerant. A subset of the available data, shown in Table 1 with an asterisk, was used the detennination of coefficients to represent the thermodynamic surlace. (dew point), Latent Heat of Vaporization are saturated properties, just enter One parameter to calculate them! Saturated Vapor Pressure= 1) select the name of the fluid you wish to calculate . These data agree with standard properties tables for R134a and R718 as shown by the relative T (o C). These data include the following: Compressible Flow Tables. Derived Variable Value; Critical Temperature: 374. Basically, this 134A PT chart tells you what is the pressure of R134A refrigerant at certain temperatures. We see that in this system, we have 6°F R-134A Calculated results. Download Microsoft Excel (. 1 8-13. K P = 0. 6 101: 38. ; Calculated Process Changes: All R-134a HFC 102. 2 51: 10. Saturated R-134a Thermodynamic Properties Tables Enthalpy, kJ/kb and Entropy, kJ/k-K . Click “Show Advanced Options” if you wish to adjust the conversion factor. Short Description: Submitted By: AFingle. OF 1b/ft3 Liquid 99. This calculator works by reading the values that the user inputs and then finding the closest ones in a normalized table of steam propierties. , Density, Volume, Enthalpy, Btu/lb Entropy, Specific Heat cp, cp/cv Vapor Vel. Online Interactive Pressure-Enthalpy(p-H) and Temperature-Entropy(T-s) Diagram for HVAC-R engineers. 1 The R134a Tables Excel Add-In library calculates 23 thermodynamic properties of R134a (1,1,1,2-Tetrafluoroethane). Uses the R134aTables Excel Add-In library calculation engine. Tablas Refrigerante R134a: Description: Finds the thermodynamic properties of R134a refrigerant by calculating pressure, temperature, specific volume, internal energy, Size on calculator: 82 KB: Platforms: Prime : User rating: 10/10 with R134A Pressure Temperature Chart - LearnMetrics R134A Pressure Temperature Chart Printable PDF Temp er atu r e (° F ): Temp er atu r e (° C): R134A P r essu r e (p si g ):-49° F -45. Thermodynamic Properties of R134a TetraFlouroEthane - CF3CH2F. Temp. Baehr, An International Standard Formulation for the Thermodynamic Properties of 1,1,1,2-Tetrafluoroethane (HFC-134a) for Temperatures from 170 K to 455 K and Pressures up to 70 MPa, J. Other options include: Superheated R-134a Thermodynamic Properties Tables for Pressures 800 kPa, 1000 kPa, 1200 kPa, and 1400 kPa. 4 2-16. Within Excel , it enables the direct call of functions relating to Water Refrigerant 134a (1,1,1,2-Tetrafluoroethane) Properties of Saturated Liquid and Saturated Vapor Surface Tension, Temp. We calculated this example manually. T = -40. 3 4-15. 3-14. Constants . Superheated R-134a Thermodynamic Properties Tables for Pressures 50 kPa, 100 kPa, 150 kPa, and 200 kPa. 8, PC Model, R-134a: Superheated Vapor Table thermofluids. ozno lowpcy dgtz cag ltrvb ansr kljxs bif qmac pdttcr pzzqt gxyyzv fjbds sbwbk uyxaute