Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7615
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dc.contributor.authorOsgouei, Reza Ettehadi-
dc.contributor.authorÖzbayoğlu, Mehmet Evren-
dc.contributor.authorÖzbayoğlu, Murat-
dc.contributor.authorYüksel, Ertan H.-
dc.date.accessioned2021-09-11T15:58:16Z-
dc.date.available2021-09-11T15:58:16Z-
dc.date.issued2014en_US
dc.identifier.citationASME Fluids Engineering Division Summer Meeting -- JUL 07-11, 2013 -- Incline Village, NVen_US
dc.identifier.isbn978-0-7918-5556-0-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/7615-
dc.description.abstractGas-liquid flow in annular geometries is the one of the most frequently encountered flow conditions in petroleum industry, either during drilling operations if aerated fluids are used, or production stages, if the produced fluid is under bubble point pressure. With the increase in the interest in horizontal / extended reach wells, understanding the flow behavior of gas-liquid mixtures in horizontal wells is essential for better pressure control downhole. Although two-phase fluid flow is studied intensively for circular pipes, there exists a lack of information about aerated fluid flow behavior inside annular geometries, both theoretically and experimentally. Existing two-phase fluid flow models available in the literature developed for circular pipes are performing poorly for annular geometries. Using hydraulic diameter definitions or effective diameter terms simply give inaccurate results for both flow pattern estimations and friction pressure loss determination. This study aims to identify the flow patterns of gasified fluids, and to determine frictional pressure losses for two phase flow through horizontal eccentric annular geometry. In order to develop the liquid holdup, Digital Image Processing Techniques have been used. Friction pressure losses are determined by applying two different methods; i) Modifying Lockhart-Martinelli parameter, and ii) Modifying Beggs and Brill's method, originally developed for circular pipes. Experiments have been conducted at Middle East Technical University (METU) Multiphase Flow Loop using air-water mixtures with various in-situ flow velocities. A digital camera is used for recording each test dynamically for the identification of flow patterns and the measurement of liquid holdup. Friction pressure losses are recorded during each test. The comparison of modified models with experimental data indicates that liquid holdup and friction pressure losses can be estimated with a reasonable accuracy. The information obtained from this study is critical, since very limited information is available in the literature for modeling two-phase flow behavior.en_US
dc.description.sponsorshipASME, Fluids Engn Diven_US
dc.language.isoenen_US
dc.publisherAmer Soc Mechanical Engineersen_US
dc.relation.ispartofProceedings of The Asme Fluids Engineering Division Summer Meeting, 2013, Vol 1C: Symposiaen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjecttwo phase flowen_US
dc.subjectflow patternen_US
dc.subjectliquid holdupen_US
dc.subjecthorizontal eccentric annulien_US
dc.subjectimage processing techniquesen_US
dc.subjectfriction pressure lossesen_US
dc.titleThe Determination of Two Phase Liquid-Gas Flow Behavior Through Horizontal Eccentric Annular Geometry by Modification of Beggs & Brill and Lockhart & Martinelli Modelsen_US
dc.typeConference Objecten_US
dc.departmentFaculties, Faculty of Engineering, Department of Computer Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Bilgisayar Mühendisliği Bölümütr_TR
dc.authorid0000-0001-7998-5735-
dc.identifier.wosWOS:000359030900008en_US
dc.identifier.scopus2-s2.0-84893008585en_US
dc.institutionauthorÖzbayoğlu, Ahmet Murat-
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.relation.conferenceASME Fluids Engineering Division Summer Meetingen_US
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairetypeConference Object-
item.cerifentitytypePublications-
item.languageiso639-1en-
crisitem.author.dept02.1. Department of Artificial Intelligence Engineering-
Appears in Collections:Bilgisayar Mühendisliği Bölümü / Department of Computer Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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