Evaluation of Various Ejector Profiles on CO2 Transcritical Refrigeration System Performance

Автор: Elbarghthi A., Dvorak V.

Год: 2022Язык: АнглийскийТип: Статьи
This study examines the potential impact of the different ejector profiles on the CO2 transcritical cooling system to highlight the contribution of the multi-ejector in the system performance improvement. The research compares the implementation of an ejector-boosted CO2 refrigeration systemover the second-generation layout at amotive flow temperature of 35 °C and discharge pressure of 90 bar to account for the transcritical operation mode. The result revealed a significant energy saving by reducing the input power to the maximum of 8.77% when the ejector was activated. Furthermore, the multi-ejector block could recover up to 25.4% of the expansion work losses acquired by both ejector combinations VEJ1 + 2. In addition, the behavior of the multi-ejector geometries and operation conditions greatly influence the system exergy destruction. The analysis shows a remarkable lack of exergy destruction during the expansion process by deploying the ejector in parallel with the HPV.
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логотип Технофрост
логотип Ридан
логотип ЭлДжиТи Рус
логотип Спектропласт
логотип Фриготехника
логотип Россоюзхолодпром
логотип Международная академия холода
логотип КриоФрост
логотип Фригопоинт
логотип Техноватт
логотип Техностиль
логотип Север-М