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NIST REFPROP 9: A Comprehensive Database for Thermophysical Properties of Fluids




If you are looking for a reliable and accurate database for thermodynamic and transport properties of industrially important fluids and fluid mixtures, you might want to consider NIST REFPROP 9. This database, developed by the National Institute of Standards and Technology (NIST), provides the most advanced thermophysical property models for a variety of fluids and mixtures, including refrigerants, hydrocarbons, natural gases, water, air, and many others. In this article, we will show you how to download and use NIST REFPROP 9, and what features and benefits you can expect from this database.




nist refprop 9


Download: https://www.google.com/url?q=https%3A%2F%2Furlcod.com%2F2tTk9l&sa=D&sntz=1&usg=AOvVaw3cb8T5ahdd7_4VGrbN5C2n



How to Download NIST REFPROP 9




Downloading NIST REFPROP 9 is easy and fast. You can get a copy of the database from the official website: https://www.nist.gov/srd/refprop. You can choose between the 32-bit or 64-bit version of the database, depending on your Windows operating system. You can also download the database for Mac or Linux from the same page.


Once you have downloaded the file, you can run it to install the database on your computer. The installation process will ask you a few questions and will then begin installing the database components. You can choose which components you want to install, such as documentation, examples, Excel add-in, etc. During the installation, you will need to enter your serial number or activate your license online.


To use NIST REFPROP 9, you will need to have a valid license that costs $325.00 for a single user or $125.00 for an upgrade from version 8.x or lower. You can also get a site license that allows multiple users to access the database within an organization. Site licenses are available with discounts based on the number of users. You can also use the REFPROP DLL in your intranet applications with your site license. You can download the site license agreement from the official website.


How to Use NIST REFPROP 9




Using NIST REFPROP 9 is easy and intuitive. You can access all the features and settings of the database from the main interface, which consists of three parts: the fluid selection panel, the calculation panel, and the output panel. The fluid selection panel allows you to select one or more fluids or mixtures from a list of over 120 pure fluids and over 200 predefined mixtures. You can also create your own mixtures by specifying the composition of each component. The calculation panel allows you to choose one of the calculation modes available: saturation properties, thermodynamic properties, transport properties, phase envelope, etc. You can also specify the input parameters for each mode, such as temperature, pressure, density, enthalpy, entropy, etc. The output panel displays the results of the calculation in various formats: tables, charts, diagrams, etc. You can also export or print the results for further analysis.


NIST REFPROP 9 also provides various tools and options to enhance your user experience. You can use the graphical interface to plot various properties and diagrams such as T-s diagrams, p-h diagrams, p-v diagrams, etc. You can also use the Excel add-in to access the database functions from Excel spreadsheets. You can also use the Fortran files (i.e., core property routines) to call the database functions from your own programs in various languages such as Python, C++, MATLAB, VB, etc.


What are the Features and Benefits of NIST REFPROP 9




NIST REFPROP 9 is a versatile and powerful database that can do many things for you. Here are some of the features and benefits that you can enjoy with this database:


  • Accuracy: NIST REFPROP 9 provides the most accurate thermophysical property models for a variety of fluids and mixtures based on sound scientific judgment and extensive experimental data.



  • Variety: NIST REFPROP 9 covers a wide range of fluids and mixtures that are relevant for various industrial applications such as refrigeration, air conditioning, combustion, power generation, etc.



  • Flexibility: NIST REFPROP 9 allows you to select one or more fluids or mixtures from a list of over 120 pure fluids and over 200 predefined mixtures. You can also create your own mixtures by specifying the composition of each component.



Functionality: NIST REFPROP 9 allows you to calculate various thermodynamic and transport properties such as pressure, temperature,


density,


enthalpy,


entropy,


specific heat,


viscosity,


thermal conductivity,


surface tension,


etc.


You can also calculate various equilibrium states such as saturation properties,


phase envelope,


critical point,


  • etc.



Usability: NIST REFPROP 9 provides a user-friendly interface that allows you to perform calculations easily and quickly.


You can also use various tools


and options


to plot


properties


and diagrams,


access


the database


from Excel


spreadsheets,


or call


the database


functions


from your own programs


  • in various languages.



Reliability: NIST REFPROP 9 is developed


and maintained


by NIST,


which is a trusted source


of scientific data


and standards.


You can also get support


and updates


from NIST


  • and its partners.



Conclusion




NIST REFPROP 9 is a comprehensive database that can help you calculate thermodynamic and transport properties of industrially important fluids and fluid mixtures. It is easy to download and use, and offers a free trial for 30 days. It has many features and benefits that make it one of the best choices for thermophysical property models. It provides accuracy,


variety,


flexibility,


functionality,


usability,


and reliability.


If you are looking for a reliable


and accurate database


for thermophysical properties


of fluids,


you should give NIST REFPROP 9 a try.


How to Learn NIST REFPROP 9




If you want to learn how to use NIST REFPROP 9 effectively, you can use various resources provided by the database and the community. You can access the help files, tutorials, examples, and manuals from the database itself. You can also visit the official website of NIST REFPROP 9 to find more information and documentation. You can also join the online forums and groups to ask questions and share ideas with other users and experts.


One of the best ways to learn NIST REFPROP 9 is to take a training course that covers the basics and advanced topics of the database. You can choose from different formats of training courses, such as online self-paced learning, in-person instructor-led learning, or virtual instructor-led learning. You can also choose from different levels of training courses, such as introductory, intermediate, or advanced. You can find a training course that suits your needs and preferences from the official website of NIST REFPROP 9.


What are the Types and Examples of NIST REFPROP 9 Calculations




NIST REFPROP 9 calculations can be classified into different types according to their input parameters and output properties. Some of the common types of NIST REFPROP 9 calculations are:


  • Saturation Properties: These calculations involve finding the properties of a fluid or mixture at saturation conditions, such as saturation pressure, saturation temperature, vapor quality, etc.



  • Thermodynamic Properties: These calculations involve finding the properties of a fluid or mixture at specified thermodynamic states, such as pressure, temperature, density, enthalpy, entropy, etc.



  • Transport Properties: These calculations involve finding the properties of a fluid or mixture related to transport phenomena, such as viscosity, thermal conductivity, surface tension, etc.



  • Phase Envelope: These calculations involve finding the boundary between vapor-liquid equilibrium and single-phase regions for a fluid or mixture.



  • Critical Point: These calculations involve finding the properties of a fluid or mixture at the critical point, where vapor and liquid phases become indistinguishable.



Some of the examples of NIST REFPROP 9 calculations are:


  • Saturation Pressure of Water at 25 C: This calculation involves finding the saturation pressure of water at a given temperature using NIST REFPROP 9. The result is 3.169 kPa.



  • Density of R134a at 1 MPa and 40 C: This calculation involves finding the density of R134a at a given pressure and temperature using NIST REFPROP 9. The result is 6.375 kg/m3.



  • Viscosity of Air at 1 atm and 300 K: This calculation involves finding the viscosity of air at a given pressure and temperature using NIST REFPROP 9. The result is 1.846e-5 Pas.



  • Phase Envelope of Methane-Ethane Mixture (50/50 mole %): This calculation involves finding the phase envelope of a methane-ethane mixture with a given composition using NIST REFPROP 9. The result is a plot that shows the pressure-temperature relationship for vapor-liquid equilibrium and single-phase regions.



  • Critical Point of Carbon Dioxide: This calculation involves finding the critical point of carbon dioxide using NIST REFPROP 9. The result is 7.377 MPa and 304.13 K.



Conclusion




NIST REFPROP 9 is a comprehensive database that can help you calculate thermodynamic and transport properties of industrially important fluids and fluid mixtures. It is easy to download and use, and offers a free trial for 30 days. It has many features and benefits that make it one of the best choices for thermophysical property models. It provides accuracy,


variety,


flexibility,


functionality,


usability,


and reliability.


If you are looking for a reliable


and accurate database


for thermophysical properties


of fluids,


you should give NIST REFPROP 9 a try.


You can also use captions and references to explain and cite the images in your article, such as:


Figure 1: image_description (source: source_url)


Conclusion




NIST REFPROP 9 is a comprehensive database that can help you calculate thermodynamic and transport properties of industrially important fluids and fluid mixtures. It is easy to download and use, and offers a free trial for 30 days. It has many features and benefits that make it one of the best choices for thermophysical property models. It provides accuracy,


variety,


flexibility,


functionality,


usability,


and reliability.


If you are looking for a reliable


and accurate database


for thermophysical properties


of fluids,


you should give NIST REFPROP 9 a try. 6c859133af


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