Advanced Heat Pumps

MAN ES's largest commercial heat pump in Esbjerg, Denmark

Advanced heat pumps improve energy efficiency and environmental sustainability through innovations like multi-stage and cascade systems for high-temperature applications. The shift to natural and mixed refrigerants addresses climate concerns, while specialized designs enhance performance in buildings, industry, and electric vehicles. Emerging technologies such as caloric systems, thermochemical heat pumps, and hybrid models offer next-generation solutions for efficient thermal management across diverse sectors.

Our research focuses on,

Multi-stage & cascade systems for high-temperature lift heat pumps
Investigation on thermal-hydraulic characteristics of natural & mixed refrigerants
Emerging HVAC technologies that are refrigerant-free

References

McLinden, M. O., Brown, J. S., Brignoli, R., Kazakov, A. F., & Domanski, P. A. (2017). Limited options for low-global-warming-potential refrigerants. Nature communications, 8(1), 14476.
Wilson, D. P., & Richard, R. G. (2002). Determination of refrigerant lower flammability limits in compliance with proposed addendum p to standard 34/Discussion. Ashrae Transactions, 108, 739.
Qian, S., Catalini, D., Muehlbauer, J., Liu, B., Mevada, H., Hou, H., ... & Takeuchi, I. (2023). High-performance multimode elastocaloric cooling system. Science, 380(6646), 722-727.
Lilley, D., & Prasher, R. (2022). Ionocaloric refrigeration cycle. Science, 378(6626), 1344-1348.
Kim, J., Mishra, A., Braun, J. E., Groll, E. A., Rodríguez-López, J., & Ziviani, D. (2023). Electrochemically driven phase transformation for high-efficiency heat pumping. Cell Reports Physical Science, 4(4).

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