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Range of application of heat pump systems on various natural refrigerants.
Number: 0907
Author(s) : MASLIKOVA S., KROTOV A., SAMOKHVALOV Y., KOSENKO G., YSTUGOVA T.
Summary
The utilization of heat pumps (variation of vapor compressing machines) for heat transfer between different temperature levels is a promising development trend, considering low cost of heat energy, environmental friendliness of working mediums, economically sufficient solutions and low-cost maintenance. Heat pumps are used for heating in building structures where low potential heat sources are wastewater streams, groundwater streams, air, heat of the soil. It is also possible to use low potential heat of heat emissions from industrial plants, that can be cost effectively in terms of production resources usage. Selection of the refrigerant and its composition in order to provide operational stability for heat pumps at temperature levels from 48 to 95 ̊C with minimum energy consumption for the most widespread thermodynamical cycles. Standard thermodynamic cycles of heat pumps were simulated using Aspen HYSYS software. Further optimization and parameter selection were performed using MATLAB module Global Optimization Toolbox. In compliance with demanded design parameters the results of each working medium simulation were obtained. Energy efficient parameters of the common heat pumps thermodynamical cycles were determined. According to exergy analysis of the thermodynamical cycles it has been determined that mixed refrigerants, pentane and ammonia are the most suitable and energy efficient working fluids for heat pumps.
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Details
- Original title: Range of application of heat pump systems on various natural refrigerants.
- Record ID : 30031473
- Languages: English
- Subject: HFCs alternatives
- Source: Proceedings of the 26th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Publication date: 2023/08/21
- DOI: http://dx.doi.org/10.18462/iir.icr.2023.0907
Links
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Indexing
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Themes:
Blends;
Hydrocarbons;
Ammonia;
Heat pumps techniques - Keywords: Heat pump; Natural refrigerant; Zeotropic mixture; Exergy; Simulation; Heating; Ammonia; Hydrocarbon
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