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Flow Patterns and Void Fraction in Thin-Gap Channel
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SYSNO ASEP 0091379 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Flow Patterns and Void Fraction in Thin-Gap Channel Title Tokové režimy a zádrž plynu v úzkém kanálu Author(s) Křišťál, Jiří (UCHP-M) RID
Havlica, Jaromír (UCHP-M) RID, ORCID, SAI
Jiřičný, Vladimír (UCHP-M) RID, SAISource Title Program and Abstracts. - - : -, 2007 Pages s. 578 Number of pages 8 KB s. Action International Conference on Multiphase Flow /6./ Event date 09.07.2007-13.07.2007 VEvent location Congress Center Leipzig Country DE - Germany Event type EUR Language eng - English Country DE - Germany Keywords flow pattern ; void fraction ; microchannel Subject RIV CI - Industrial Chemistry, Chemical Engineering R&D Projects GP104/05/P554 GA ČR - Czech Science Foundation (CSF) Next source Framework programmes of European Commission CEZ AV0Z40720504 - UCHP-M (2005-2011) Annotation Present study experimentally investigates the two-phase gas-liquid flow in a thin-gap channel. Cross section of the microchannel is 10 by 0.266 mm2, orientation is vertical. Bubbles are generated by electrodes built in the front and rear walls of the microchannel. The amount of generated gas is determined by controlling electric current applied to the electrodes. Two-phase flow in thin-gap channel is visualized with digital camera, and images are processed in Matlab to obtain reported flow characteristics. Flow pattern and void fraction are evaluated for different operating condition, e.g. liquid flow rates and applied electric current. Finally, the effect of bubbles on the microreactor performance is commented. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2008
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