Attributions & Third-Party Notices
The OTS R&D Portal uses the following third-party software, data sources, and standards.
We gratefully acknowledge these contributions.
Standards & References
| Source | Used For |
|---|
| ASHRAE Handbook — Fundamentals (2021) | Psychrometric calculations (Chapter 1), glycol and secondary fluid properties |
| NIST RefProp | Thermodynamic property reference validation and optional RefProp engine integration |
| NIST SP 811 & SP 1038 | Unit conversion factors |
| IAPWS-95 | Scientific-grade water/steam thermodynamic properties |
| IAPWS-IF97 | Industrial formulation for water/steam properties |
| ISO 9920 | Thermal insulation of clothing (clo unit definition) |
| WGS-84 | Somigliana & free-air gravity model for location-dependent conversions |
| Kell (1975) | Water density polynomial for temperature-dependent calculations |
| CODATA | Fundamental physical constants |
Thermodynamic Data Sources
| Source | Used For |
|---|
| Herrmann, Kretzschmar & Gatley (2009) — ASHRAE RP-1485 | Real-air psychrometric properties (virial EOS to 10 MPa) |
| Gao, Wu, Bell, Harvey & Lemmon (2018/2023) — JPCRD 52:023101 | Ammonia (R-717) equation of state |
| Kunz & Wagner (2012) — GERG-2008 | Natural gas and refrigerant mixture properties |
| Melinder (2010) | Secondary working fluid (brine) property data |
| Sharqawy et al. (2010) | Seawater thermophysical property correlations |
Open-Source Software
Licenses require attribution. Full license texts are available at the linked repositories.
| Software | License | Used For |
|---|
| CoolProp |
MIT |
Thermodynamic property cross-validation; binary interaction parameters and incompressible fluid data used under MIT license |
| VCRC |
MIT |
Vapor-compression cycle reference validation |
| SharpProp |
MIT |
.NET wrapper for CoolProp |
| Clapeyron.jl |
MIT |
E-PPR78 group interaction parameters for mixture modeling |
| D3.js |
ISC |
Interactive charts and data visualizations (psychrometric chart, P-h diagram) |
| Bootstrap |
MIT |
CSS framework and UI components |
| Bootstrap Icons |
MIT |
UI iconography |
| Math.NET Numerics |
MIT |
Numerical methods and linear algebra |
| Prism.js |
MIT |
Syntax highlighting for C# code samples |
| Serilog |
Apache-2.0 |
Structured logging and error tracking |
Commercial Software
| Software | Vendor | Used For |
|---|
| Telerik UI for Blazor |
Progress Software |
Rich UI components (data grids, date pickers, dialogs) |
| NIST RefProp 10 |
NIST |
Thermodynamic property calculations (optional engine) |
If you believe we have omitted an attribution or have questions about our use of third-party
software, please contact us at info@ots-rd.com.