How to View the Look Table added for material properties with help of NIST Real Gas Model ?

- January 12, 2020 at 11:25 pm
  
  alexhathway
  Subscriber
  
  Is there a Provision in Ansys FLUENT, To View Look Table created for material properties via NIST Real Gas Model ?
  
  I Created the Look Up Table for variable material properties using the following Commands:
  
  Thanking You,
  
  Alex Hathway
- January 13, 2020 at 5:50 am
  
  DrAmine
  Ansys Employee
  
  No, not possible at the moment.
- January 13, 2020 at 8:35 pm
  
  alexhathway
  Subscriber
  
  Is There a Provision in AnSys Fluent To Add Custom Made Tables (Let's say for around 500 Data points{Piecewise Linear Method}) for property Variations?
- January 14, 2020 at 5:58 am
  
  DrAmine
  Ansys Employee
  
  You can code an UDF to read from file, interpolate then assign the material properties. Other way is reading Real Gas Properties in Fluent. Check recent beta feature Manual.
- January 18, 2020 at 5:13 am
  
  alexhathway
  Subscriber
  
  Hello Sir
  
  1. Is There A Tutorial or Video Available on Using Real Gas Properties by ANSYS?
  2. Are Real Gas Properties property tables applicable for calculations in the Near Critical Region where properties vary enormously?
  
  Thank You
- January 18, 2020 at 6:49 am
  
  DrAmine
  Ansys Employee
  
  1. Officially no.
  2. Yes.
- February 1, 2020 at 1:39 am
  
  alexhathway
  Subscriber
  
  How to input Properties of Water in Near Critical region, where props vary w.r.t to pressure and temp (USING RGP TABLES) ?
  
  Tried Using Commands as per Manual, props not matching with NIST WEBSITE DATABASE..
  
  REGARDS
- February 3, 2020 at 10:03 am
  
  DrAmine
  Ansys Employee
  
  You need then to check from where you got your RGP tables.
- February 3, 2020 at 10:21 pm
  
  alexhathway
  Subscriber
  
  We did not Use RGP Tables, We used The Above commands .. Props Not Matching with NIST
  
  As ANSYS Officially Does not provide a Software for Generating RGP Tables, We aren't Aware, How to Generate RGP Tables.
  
  And I am Not sure Whether RGP tables also accounts for Density Variation as Well.
  
  If There is any Official Platform to generate RGP Tables, Do Suggest me Sir. It will be Helpful
  
  Thank You
- February 4, 2020 at 5:56 am
  
  DrAmine
  Ansys Employee
  
  The generation of rgp table is described in the beta feature Manual.
- February 7, 2020 at 2:25 pm
  
  alexhathway
  Subscriber
  
  1.Is There Official Video Tutorial for RGP Files Generation?
  
  2. Can Density also Be Added into RGP Files, Can We Chose the Properties we Want like specific HEAT, Viscosity and Thermal conductivity?
  Thank You Sir
- February 7, 2020 at 2:35 pm
  
  DrAmine
  Ansys Employee
  
  1/No official video.
  
  2/You need to read about RGP tables in the CFX Help: it does describe what it is included in the file: for sure density, and all other thermo/transport properties.
- February 7, 2020 at 9:23 pm
  
  alexhathway
  Subscriber
  
  Is CFX-TASCflow a Inbuilt Software with ANSYS Package or it is a Separate Software ?
  
  Where can We access it Sir ?
  
  As per the Manual , CFX-TASCflow is the only option to generate a RGP table File.
  
  Source: ANSYS CFX MANUAL 2019 R3
  
  Thanking You
  
  Alex
- February 8, 2020 at 6:06 am
  
  DrAmine
  Ansys Employee
  
  In beta feature Manual of Fluent you can read how to create RGP tables. Definition of RGP is written In CFX guide.