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Effect of the Cavitation Generation Unit Structure on the Performance of an Advanced Hydrodynamic Cavitation Reactor for Process Intensifications
Abstrakt
The advanced rotational hydrodynamic cavitation reactors (ARHCRs) that appeared recently have shown obvious advantages compared with conventional devices in process intensifications. In ARHCRs, the cavitation generation unit (CGU) located on the rotor and stator basically determines their performance. For the first time, the present study investigated the effect of the CGU structure on the performance of a representative ARHCR by utilizing computational fluid dynamics. The amount of generated cavitation and required torque of the axis for various shapes, diameters, interaction distances, heights, and inclination angles of the CGU were analyzed. The results indicate that the interaction-type ARHCR (cavitation is generated by stator-rotor interaction) was far superior to the non-interaction type one. In addition, the hemisphere-shaped CGU demonstrates the best performance compared with that with cone-cylinder, cone, and cylinder shapes. Moreover, by evaluating the effects of various geometrical factors, the hemisphere-shaped CGU with a diameter of 12 mm, interaction distance of 1 mm, height of 1 mm, and inclination angle of 10° achieved the highest performance. The reasons leading to different performance were elaborated in accordance with the flow and pressure field distributions, as well as the generated cavitation patterns. The findings of this work can strongly support the fundamental understanding, design, and application of ARHCRs for process intensifications.
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Autorzy (10)
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Xun Sun
- Shandong University, China
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Weibin You
- Shandong University, China
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Xiaoxu Xuan
- Shandong University, China
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Li Ji
- Shandong University, China
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Xingtao Xu
- National Institute for Materials Science, Japan
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Guichao Wang
- Shandong University, China
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Shan Zhao
- Shandong University, China
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Joon Yong Yoon
- Hanyang University, Republic of Korea
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Songying Chen
- Shandong University, China
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Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- Licencja
-
otwiera się w nowej karcie
Słowa kluczowe
Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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CHEMICAL ENGINEERING JOURNAL
nr 412,
ISSN: 1385-8947 - Język:
- angielski
- Rok wydania:
- 2021
- Opis bibliograficzny:
- Sun X., You W., Xuan X., Ji L., Xu X., Wang G., Zhao S., Boczkaj G., Yoon J., Chen S.: Effect of the Cavitation Generation Unit Structure on the Performance of an Advanced Hydrodynamic Cavitation Reactor for Process Intensifications// CHEMICAL ENGINEERING JOURNAL -Vol. 412, (2021), s.128600-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.cej.2021.128600
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 143 razy
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