Review on digital solutions for heat pump and refrigeration systems, DTU Construct

• ''Review on digital solutions for heat pump and refrigeration systems'', 2021, Aguilera et al.

Recommendations for suitable frameworks for digital twins of large-scale refrigeration systems and heat pumps, DTU Construct

• ''Recommendations for suitable frameworks for digital twins of largescale refrigeration systems and heat pumps'', 2022, W. Meesenburg et al. [finalized, but not yet public] 

Report on fault mechanisms in supermarket CO2 refrigeration systems and modelling approaches, DTI

• ''Fault mechanisms in supermarket CO2 refrigeration systems and modelling approaches'', 2021, C. Heerup et al. [confidential]

Detailed validated dynamic model of a supermarket refrigeration system, Danfoss, [confidential]

A documented method for generating grey-box models that are adaptive and suitable for monitoring purposes including the data basis as well as experiences of first applications summarized in a report or publication, DTU Compute

• Estimation of evaporator valve sizes in supermarket refrigeration cabinets, Leerbeck et al. (2023), Journal of Process Control, 124, 2023, 179-186
  
• Grey Box Modelling of Supermarket Refrigeration Room, K. Leerbeck, P. Bacher and C. Heerup, 2021 International Conference on Electrical, Computer and Energy Technologies (ICECET), Cape Town, South Africa, 2021, pp. 1-6
• Grey box modeling of supermarket refrigeration cabinets, Leerbeck et al. (2023), Energy and AI, 11, 2023, 100211 

Report on fault mechanisms in large-scale heat pump systems, DTU Construct

• Operational challenges in large-scale ammonia heat pump systems, Aguilera et al. (2021), In Proceedings of the 34th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems 2021 (pp. 1842-1853 ). ECOS

• A review of common faults in large-scale heat pumps, Aguilera et al. (2022), Renewable and Sustainable Energy Reviews, 168, [112826]

Detailed validated dynamic models for two large-scale heat pump systems, DTU Construct and DTI

• ''Development and validation of dynamic model for a large-scale HP system at Novozymes'', 2022, Aguilera et al. 
  
• Model-based analysis of a heat pump cascade system using seawater and ammonia as working fluids, Poulsen et al. (2022), In Proceedings of the 35th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems 2022 (p. 12). ECOS.   

Report or article about procedure to derive grey-box models from detailed dynamic models including demonstration and application to cases, DTU Mechanical Engineering and DTI

• Online model-based framework for operation and fouling monitoring in a large-scale heat pump, Aguilera et al.(2023). Submitted for publication in Proceedings of the 36th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems 2023. ECOS.[finalized, but not yet public] 

Report/publication about the set point optimization for selected case studies finalized/submitted for publication, DTU Construct and DTU Compute

• Digital twins for large-scale heat pumps and refrigeration systems - Example of digital twin based service: Optimization, J.L. Poulsen and J.J Aguilera, Køle- og varmepumpeforum 2023 - Update on Technical Application Advancements & 8th International Symposium on Advances in Refrigeration and Heat Pump Technology: Collection of presentations.

A software tool for indicating the potential for supply of flexibility to the electricity grid based on current system conditions, DTU Construct

A software tool and a report/publication for the optimization possibilities of the operating schedule considering periods for predictive maintenance, DTU Construct

• Prediction of fouling in sewage water heat pump for predictive maintenance, Meesenburg et al. (2022). In Proceedings of the 35th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems 2022 (p. 12). ECOS.

Report/article about the methods for fault detection and diagnosis including the application to existing measurement data, TU Braunschweig

• Integration of dynamic model and classification methods for fault detection and diagnosis in a chiller, Aguilera et al. (2022). In 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022): Proceedings International Institute of Refrigeration. Science et Technique du Froid https://doi.org/10.18462/iir.gl2022.96

Report about the specifications for digital twins, Danfoss

• ''Information and services to be determined by digital twins'', 2021, L. Larsen & J. Lundsted Poulsen

Report about possible socioeconomic benefits and possibilities to exploit the potentials in a market and for different technologies