Academic Journal
Analysis of a dual-purpose refrigerating and heat pump system
| العنوان: | Analysis of a dual-purpose refrigerating and heat pump system |
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| المؤلفون: | Dima, D, Ionita, C, Vasilescu, E E, Gheorghian, A T, Dobrovicescu, A |
| المصدر: | IOP Conference Series: Materials Science and Engineering ; volume 997, issue 1, page 012141 ; ISSN 1757-8981 1757-899X |
| بيانات النشر: | IOP Publishing |
| سنة النشر: | 2020 |
| الوصف: | The study is looking for the optimum configuration of a system that requires refrigeration and heating. An ammonia refrigerator separated from a R152a heat pump are first considered. Water is the hot carrying fluid. Based on the exergy analysis, that points out the location and magnitude of each system operational malfunction, an optimization strategy is considered. Following the optimization procedure the two initial separated systems are coupled by using the condenser of the refrigerating unit to preheat water. Due to the exergy destruction in the water preheating condenser, ammonia is replaced by CO 2 . The transcritical CO 2 heater diminish the exergy destruction with the heat transfer across a finite temperature difference. Solutions for further improving the efficiency of the dual-purpose system focus on the decrease in the throttling valve destruction in the CO 2 refrigerating unit. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | unknown |
| DOI: | 10.1088/1757-899x/997/1/012141 |
| DOI: | 10.1088/1757-899X/997/1/012141/pdf |
| DOI: | 10.1088/1757-899X/997/1/012141 |
| الاتاحة: | http://dx.doi.org/10.1088/1757-899x/997/1/012141 https://iopscience.iop.org/article/10.1088/1757-899X/997/1/012141/pdf https://iopscience.iop.org/article/10.1088/1757-899X/997/1/012141 |
| Rights: | http://creativecommons.org/licenses/by/3.0/ ; https://iopscience.iop.org/info/page/text-and-data-mining |
| رقم الانضمام: | edsbas.98F30995 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1088/1757-899x/997/1/012141 |
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