Experimental investigation of two-phase gas-liquid flow in microchannel with T-junction

Using high-speed video recording and the method of dual laser scanning the gas-liquid flow was investigated in rectangular microchannels with an aspect ratio of 2.35 and 1.26. Experiments were earned out for the vertical flow of ethanol-nitrogen mixture in a microchannel with a cross section of 553×...

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Main Authors: Bartkus German, Kozulin Igor, Kuznetsov Vladimir
Format: Article
Language:English
Published: EDP Sciences 2017-01-01
Series:EPJ Web of Conferences
Online Access:https://doi.org/10.1051/epjconf/201715900004
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author Bartkus German
Kozulin Igor
Kuznetsov Vladimir
author_facet Bartkus German
Kozulin Igor
Kuznetsov Vladimir
author_sort Bartkus German
collection DOAJ
description Using high-speed video recording and the method of dual laser scanning the gas-liquid flow was investigated in rectangular microchannels with an aspect ratio of 2.35 and 1.26. Experiments were earned out for the vertical flow of ethanol-nitrogen mixture in a microchannel with a cross section of 553×235 µm and for the horizontal flow of water-nitrogen mixture in a microchannel with a cross section of 315×250 µm. The T-mixer was used at the channel's inlet for gas-liquid flow formation. It was observed that elongated bubble, transition, and annular flows are the main regimes for a microchannel with a hydraulic diameter substantially less than the capillary constant. Using laser scanning, the maps of flow regimes for ethanol-nitrogen and water–nitrogen mixtures were obtained and discussed.
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spelling doaj.art-df823f50d3524782b027a4dcb37bf1e12022-12-21T22:45:34ZengEDP SciencesEPJ Web of Conferences2100-014X2017-01-011590000410.1051/epjconf/201715900004epjconf_avtfg2017_00004Experimental investigation of two-phase gas-liquid flow in microchannel with T-junctionBartkus GermanKozulin IgorKuznetsov VladimirUsing high-speed video recording and the method of dual laser scanning the gas-liquid flow was investigated in rectangular microchannels with an aspect ratio of 2.35 and 1.26. Experiments were earned out for the vertical flow of ethanol-nitrogen mixture in a microchannel with a cross section of 553×235 µm and for the horizontal flow of water-nitrogen mixture in a microchannel with a cross section of 315×250 µm. The T-mixer was used at the channel's inlet for gas-liquid flow formation. It was observed that elongated bubble, transition, and annular flows are the main regimes for a microchannel with a hydraulic diameter substantially less than the capillary constant. Using laser scanning, the maps of flow regimes for ethanol-nitrogen and water–nitrogen mixtures were obtained and discussed.https://doi.org/10.1051/epjconf/201715900004
spellingShingle Bartkus German
Kozulin Igor
Kuznetsov Vladimir
Experimental investigation of two-phase gas-liquid flow in microchannel with T-junction
EPJ Web of Conferences
title Experimental investigation of two-phase gas-liquid flow in microchannel with T-junction
title_full Experimental investigation of two-phase gas-liquid flow in microchannel with T-junction
title_fullStr Experimental investigation of two-phase gas-liquid flow in microchannel with T-junction
title_full_unstemmed Experimental investigation of two-phase gas-liquid flow in microchannel with T-junction
title_short Experimental investigation of two-phase gas-liquid flow in microchannel with T-junction
title_sort experimental investigation of two phase gas liquid flow in microchannel with t junction
url https://doi.org/10.1051/epjconf/201715900004
work_keys_str_mv AT bartkusgerman experimentalinvestigationoftwophasegasliquidflowinmicrochannelwithtjunction
AT kozulinigor experimentalinvestigationoftwophasegasliquidflowinmicrochannelwithtjunction
AT kuznetsovvladimir experimentalinvestigationoftwophasegasliquidflowinmicrochannelwithtjunction