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Using heat from low-temperature energy sources by means of a high-temperature heat pump [Elektronski vir]Jotanović, Milovan ...In the paper '' Using Heat from Low-Temperature Energy Sources by means of a High-Temperature Heat Pump'' the authors have synthesized the results of their researches into exploiting heat from ... low-temperature energy sources (geothermal water, waste heat from process industry,...) They have presented method for obtain a clean energy for heating residential units using high-temperature heat pumps which use different refrigerants (working fluids) in their operation. These pumps developed with the development of an innovative idea in 2010 and they use heat from low-temperature secondary energy sources (45%C) for district heating of residential units with the temperature of 90/70%C. A series of refrigerants which can be used as working fluids in these pumps were analyzed. The paper presents a mathematical model for a single stage heat pump which the authors use for determining performance characteristics of the heat pump, together with a simulation of the operation of the pump using two different mixtures of working fluids. The authors show in detail the mutual dependences among the key performance characteristics of a high temperature heat pump and they determine the optimal type of a high temperature heat pump as well as of the refrigerant. They also present the working conditions of this pump (evaporation temperature, condensation temperature) at which its operation is financially justifiable.Source: International journal of latest research in science & technology [Elektronski vir]. - ISSN 2278-5299 (Vol. 3, iss. 5, 2014, str. 18-25)Type of material - e-articlePublish date - 2014Language - englishCOBISS.SI-ID - 18251798
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| Database name | Field | Year |
|---|
| Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
|---|---|
| Jotanović, Milovan |  |
| Mićić, Vladan | |
| Torhač, Evgen | 31886 |
| Goričanec, Darko | 06003 |
Source: Personal bibliographies
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