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| DOI | 10.2478/rtuect-2019-0015 |
| Analysis of Operation Parameters of Fish Refrigeration by Exergy Analysis. Case Study | |
| Terehovics E.; Veidenbergs I.; Blumberga D. | |
| 发表日期 | 2019 |
| ISSN | 22558837 |
| 起始页码 | 229 |
| 结束页码 | 241 |
| 卷号 | 23期号:1 |
| 英文摘要 | Unlike energy efficiency, in terms of exergy efficiency it is possible to compare the existing operation of an energy conversion system with the ideal operation. Exergy loses and exergy destruction make it possible to identify the shortcomings of an existing system, which should be improved immediately. With exergy analysis, it is possible to identify the priority actions that need to be taken in order to improve the functioning of the system: Greater exergy loss prevention is the highest priority. Energy efficiency refers to the useful work and investments needed to obtain useful work and investments needed to obtain energy efficiency; this is important to some extent, but the effectiveness of exergy makes it possible to compare system performance with the ideal. Results shows that the highest exergy destruction of a single-stage compressor refrigeration system from all working condition is found when ambient temperature and freezer temperature difference is 10 C, pressure in compressor is 0.62 MPa, ammonia temperature after compressor is 90 C, total exergy destruction of single-stage compressor refrigeration system 97.84 kW. The highest exergy efficiency of a single-stage compressor refrigeration system from all the working conditions is found when ambient temperature and freezer temperature difference is 39 C, pressure in compressor is 0.45 MPa, ammonia temperature after compressor is 128 C, exergy efficiency of a single-stage compressor refrigeration system is 59.76 %. The highest total exergy destruction of a two-stage compressor refrigeration system from among all the working conditions is found to be when the ambient temperature and freezer temperature difference is at 13 C, pressure in compressor 0.44 MPa, ammonia temperature after compressor 76 C, total exergy destruction 83.86 kW. The highest exergy efficiency of a two-stage compressor refrigeration system from among all the working conditions is found to be at an ambient temperature and freezer temperature difference of 39 C, pressure in compressor 0.56 MPa, ammonia temperature after compressor 92 C, exergy efficiency 53.55 %. © 2019 Edvins Terehovics et al., published by Sciendo 2019. |
| 关键词 | energy efficiencyexergyfishfood industryfood processingoperations technologypreservation |
| 语种 | 英语 |
| 来源机构 | Environmental and Climate Technologies |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/132581 |
| 推荐引用方式 GB/T 7714 | Terehovics E.,Veidenbergs I.,Blumberga D.. Analysis of Operation Parameters of Fish Refrigeration by Exergy Analysis. Case Study[J]. Environmental and Climate Technologies,2019,23(1). |
| APA | Terehovics E.,Veidenbergs I.,&Blumberga D..(2019).Analysis of Operation Parameters of Fish Refrigeration by Exergy Analysis. Case Study.,23(1). |
| MLA | Terehovics E.,et al."Analysis of Operation Parameters of Fish Refrigeration by Exergy Analysis. Case Study".23.1(2019). |
| 条目包含的文件 | 条目无相关文件。 | |||||
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