Share
IIR document
A comparison of simplified modeling approaches and simulation quality of an industrial R717-HTHP.
Number: 1277
Author(s) : WERNHART M., VERDNIK M., PERTILLER G., RIEBERER R.
Summary
The industrial sector offers considerable potential for reducing energy consumption and greenhouse gas emissions through the use of high-temperature heat pumps (HTHPs). In this context, simulations can serve as a useful tool to pinpoint optimization opportunities for the process heat supply and its interaction with subsystems. However, as the complexity of the calculations and the effort required for model parameterization escalate with the level of detail, certain simplifications are necessary. This study describes the development of simplified simulation models of an ammonia (R717) chiller (nominal cooling capacity: 900 kW, source outlet temperature of 1 °C) and an add-on HTHP (nominal heating capacity: 550 kW, sink outlet temperatures up to 90 °C). For this purpose, different model approaches, such as second-law efficiencies and component-based modeling using UA values, are explored and evaluated through a comparative analysis of simulation quality. Validation is conducted using measurement data at varying operating conditions, which shows mean errors in sink & source capacities and COPs below 5.2 %.
Available documents
Format PDF
Pages: 13 p.
Available
Public price
20 €
Member price*
Free
* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).
Details
- Original title: A comparison of simplified modeling approaches and simulation quality of an industrial R717-HTHP.
- Record ID : 30032758
- Languages: English
- Source: 16th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2024). Proceedings. University of Maryland, College Park, Maryland, USA, August 11-14 2024
- Publication date: 2024/08
- DOI: http://dx.doi.org/10.18462/iir.gl2024.1277
Links
See other articles from the proceedings (135)
See the conference proceedings
Indexing
-
Themes:
Industrial heat pumps;
Energy efficiency, energy savings;
Ammonia - Keywords: R717; Heat pump; Industrial application; Ammonia; COP; Comparison; Modelling
-
Development and testing of a steam compression ...
- Author(s) : RAMIREZ M., OTERO RODRIGUEZ G., SCHEEPENS D., WEIJER G. van, SPOELSTRA S.
- Date : 2024/08
- Languages : English
- Source: 16th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2024). Proceedings. University of Maryland, College Park, Maryland, USA, August 11-14 2024
- Formats : PDF
View record
-
Operating strategies of an industrial R717 heat...
- Author(s) : VERDNIK M., WAGNER P., RIEBERER R.
- Date : 2023/08/21
- Languages : English
- Source: Proceedings of the 26th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Formats : PDF
View record
-
An energy-efficient multi-drying-chamber-based ...
- Author(s) : FIX A., PEI Y., SEABOURNE T., GAO L., YANG J., MUEHLBAUER J., HWANG Y., RADERMACHER R., YANG B.
- Date : 2024/08
- Languages : English
- Source: 16th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2024). Proceedings. University of Maryland, College Park, Maryland, USA, August 11-14 2024
- Formats : PDF
View record
-
Heat pump COP, part 1: generalized method for s...
- Author(s) : REINHOLDT L., KRISTOFERSSON J., ZÜHLSDORF B., et al.
- Date : 2018/06/18
- Languages : English
- Source: 13th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
- Formats : PDF
View record
-
Generalized COP estimation of heat pump process...
- Author(s) : OMMEN T., JENSEN J., MEESENBURG W., et al.
- Date : 2019/08/24
- Languages : English
- Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Formats : PDF
View record