Analysis and Evaluation of Heat Pipe Efficiency to Reduce Low Emission with the Use of Working Agents R134A, R404A and R407C, R410A
| Autor: | Filip Mikołajczyk, Sławomir Pochwała, Przemyslaw Kubiak, Krystian Kurowski, Justyna Czerwińska, Grzegorz Wielgosiński, Łukasz Adrian, Piotr Piersa, Andrzej Obraniak, Piotr Kuryło, J. Stelmach, Szymon Szufa |
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| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Control and Optimization
phase change 020209 energy heat pipe Energy Engineering and Power Technology 02 engineering and technology heat transfer heat exchanger evaporation condensation low emission lcsh:Technology Heat recovery ventilation Heat exchanger 0202 electrical engineering electronic engineering information engineering Electrical and Electronic Engineering Process engineering Engineering (miscellaneous) Scope (project management) lcsh:T Renewable Energy Sustainability and the Environment business.industry Condensation 021001 nanoscience & nanotechnology Heat pipe Low emission Heat transfer Environmental science 0210 nano-technology business Reduction (mathematics) Energy (miscellaneous) |
| Zdroj: | Energies; Volume 14; Issue 7; Pages: 1926 Energies, Vol 14, Iss 1926, p 1926 (2021) |
| ISSN: | 1996-1073 |
| DOI: | 10.3390/en14071926 |
| Popis: | This paper presents an analysis of methods to increase the efficiency of heat transfer in heat exchangers. The scope of the research included analysis of efficiency optimization using the example of two tubular heat exchanger structures most often used in industry. The obtained efficiency of heat recovery from the ground of the examined exchangers was over 90%, enabling the reduction of emissions of the heating systems of buildings. The paper presents the results of tests of two types of heat pipes using R134A, R404A, and R407C working agents. The paper also presents the results of experimental tests using the R410A working medium. The results included in the study will also enable the effective use of land as a heat store. |
| Databáze: | OpenAIRE |
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