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A high-power ultrasonic microreactor and its application in gas-liquid mass transfer intensification
Dong, Zhengya1,2; Yao, Chaoqun1,2; Zhang, Xiaoli3; Xu, Jie3; Chen, Guangwen1; Zhao, Yuchao1; Yuan, Quan1
刊名LAB ON A CHIP
2015
DOI10.1039/c4lc01431f
15期:4页:1145-1152
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]Biochemical Research Methods ; Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology
研究领域[WOS]Biochemistry & Molecular Biology ; Chemistry ; Science & Technology - Other Topics
关键词[WOS]CAVITY ACOUSTIC TRANSDUCER ; MICROSTRUCTURED REACTORS ; RECTANGULAR MICROCHANNEL ; MICROFLUIDIC SYSTEMS ; SLUG FLOW ; BUBBLE ; CAVITATION ; HYDRODYNAMICS ; CAPILLARIES ; PERFORMANCE
英文摘要The combination of ultrasound and microreactor is an emerging and promising area, but the report of designing high-power ultrasonic microreactor (USMR) is still limited. This work presents a robust, high-power and highly efficient USMR by directly coupling a microreactor plate with a Langevin-type transducer. The USMR is designed as a longitudinal half wavelength resonator, for which the antinode plane of the highest sound intensity is located at the microreactor. According to one dimension design theory, numerical simulation and impedance analysis, a USMR with a maximum power of 100 W and a resonance frequency of 20 kHz was built. The strong and uniform sound field in the USMR was then applied to intensify gas-liquid mass transfer of slug flow in a microfluidic channel. Non-inertial cavitation with multiple surface wave oscillation was excited on the slug bubbles, enhancing the overall mass transfer coefficient by 3.3-5.7 times.
语种英语
WOS记录号WOS:000349404200025
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145931
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Shaanxi Normal Univ, Appl Acoust Inst, Xian 710062, Shaanxi, Peoples R China
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GB/T 7714
Dong, Zhengya,Yao, Chaoqun,Zhang, Xiaoli,et al. A high-power ultrasonic microreactor and its application in gas-liquid mass transfer intensification[J]. LAB ON A CHIP,2015,15(4):1145-1152.
APA Dong, Zhengya.,Yao, Chaoqun.,Zhang, Xiaoli.,Xu, Jie.,Chen, Guangwen.,...&Yuan, Quan.(2015).A high-power ultrasonic microreactor and its application in gas-liquid mass transfer intensification.LAB ON A CHIP,15(4),1145-1152.
MLA Dong, Zhengya,et al."A high-power ultrasonic microreactor and its application in gas-liquid mass transfer intensification".LAB ON A CHIP 15.4(2015):1145-1152.
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