Analysis of the Working Characteristics of the Ejector in the Water Heating System
This paper presents original research of a model of water–water ejector whose aim is to mix a quantity of water of the return network with the water of the supply network of a central heating system. The water of the supply network at a certain pressure passes through the ejector nozzle, where the p...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-03-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/15/6/2025 |
| _version_ | 1797471797345517568 |
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| author | Drenusha Krasniqi Alidema Marigona Krasniqi Risto V. Filkoski Fejzullah Krasniqi |
| author_facet | Drenusha Krasniqi Alidema Marigona Krasniqi Risto V. Filkoski Fejzullah Krasniqi |
| author_sort | Drenusha Krasniqi Alidema |
| collection | DOAJ |
| description | This paper presents original research of a model of water–water ejector whose aim is to mix a quantity of water of the return network with the water of the supply network of a central heating system. The water of the supply network at a certain pressure passes through the ejector nozzle, where the pressure energy in the nozzle is converted into kinetic energy, and consequently in the space around the nozzle vacuum gauge pressure is created which enables the absorption of a quantity of water from the network return, which is mixed with the water of the supply network. This water regulates the temperature of the water at the entrance of the central heating radiator. For the model ejector, characteristic equation was written and was analyzed in terms of pressure and mixing coefficient. The analysis was tested using nozzles of different sizes. To analyze the role of the diffuser as a part of the ejector, the ejector characteristics were analyzed without a diffuser. The characteristics of diffuser and non-diffuser ejectors are presented in the same diagram for comparative analysis of the pressure difference and mixing coefficients achieved by the ejector for different ratios <i>f</i><sub>3</sub>/<i>f<sub>r</sub></i><sub>1</sub>. |
| first_indexed | 2024-03-09T19:54:08Z |
| format | Article |
| id | doaj.art-74d2d5d96d3649878aaed3567a20245e |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-09T19:54:08Z |
| publishDate | 2022-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-74d2d5d96d3649878aaed3567a20245e2023-11-24T01:03:29ZengMDPI AGEnergies1996-10732022-03-01156202510.3390/en15062025Analysis of the Working Characteristics of the Ejector in the Water Heating SystemDrenusha Krasniqi Alidema0Marigona Krasniqi1Risto V. Filkoski2Fejzullah Krasniqi3Faculty of Mechanical Engineering, University of Prishtina “Hasan Prishtina”, 10000 Prishtina, KosovoFaculty of Civil Engineering, University of Prishtina “Hasan Prishtina”, 10000 Prishtina, KosovoFaculty of Mechanical Engineering, Ss. Cyril and Methodius University, 1000 Skopje, North MacedoniaFaculty of Mechanical Engineering, University of Prishtina “Hasan Prishtina”, 10000 Prishtina, KosovoThis paper presents original research of a model of water–water ejector whose aim is to mix a quantity of water of the return network with the water of the supply network of a central heating system. The water of the supply network at a certain pressure passes through the ejector nozzle, where the pressure energy in the nozzle is converted into kinetic energy, and consequently in the space around the nozzle vacuum gauge pressure is created which enables the absorption of a quantity of water from the network return, which is mixed with the water of the supply network. This water regulates the temperature of the water at the entrance of the central heating radiator. For the model ejector, characteristic equation was written and was analyzed in terms of pressure and mixing coefficient. The analysis was tested using nozzles of different sizes. To analyze the role of the diffuser as a part of the ejector, the ejector characteristics were analyzed without a diffuser. The characteristics of diffuser and non-diffuser ejectors are presented in the same diagram for comparative analysis of the pressure difference and mixing coefficients achieved by the ejector for different ratios <i>f</i><sub>3</sub>/<i>f<sub>r</sub></i><sub>1</sub>.https://www.mdpi.com/1996-1073/15/6/2025ejectormixing chambermixing coefficientdiffuser |
| spellingShingle | Drenusha Krasniqi Alidema Marigona Krasniqi Risto V. Filkoski Fejzullah Krasniqi Analysis of the Working Characteristics of the Ejector in the Water Heating System Energies ejector mixing chamber mixing coefficient diffuser |
| title | Analysis of the Working Characteristics of the Ejector in the Water Heating System |
| title_full | Analysis of the Working Characteristics of the Ejector in the Water Heating System |
| title_fullStr | Analysis of the Working Characteristics of the Ejector in the Water Heating System |
| title_full_unstemmed | Analysis of the Working Characteristics of the Ejector in the Water Heating System |
| title_short | Analysis of the Working Characteristics of the Ejector in the Water Heating System |
| title_sort | analysis of the working characteristics of the ejector in the water heating system |
| topic | ejector mixing chamber mixing coefficient diffuser |
| url | https://www.mdpi.com/1996-1073/15/6/2025 |
| work_keys_str_mv | AT drenushakrasniqialidema analysisoftheworkingcharacteristicsoftheejectorinthewaterheatingsystem AT marigonakrasniqi analysisoftheworkingcharacteristicsoftheejectorinthewaterheatingsystem AT ristovfilkoski analysisoftheworkingcharacteristicsoftheejectorinthewaterheatingsystem AT fejzullahkrasniqi analysisoftheworkingcharacteristicsoftheejectorinthewaterheatingsystem |