{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390282681396936064.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1252/kakoronbunshu1953.25.254"}},{"identifier":{"@type":"COI","@value":"1:CAS:528:DyaF3MXosV2jtw%3D%3D"}},{"identifier":{"@type":"URI","@value":"http://www.jstage.jst.go.jp/article/kakoronbunshu1953/25/4/25_4_254/_pdf"}},{"identifier":{"@type":"NAID","@value":"130003930210"}}],"dc:title":[{"@language":"en","@value":"On the Shape and Velocity of Single Air Bubbles Rising in Various Liquids"},{"@value":"種々の静止液体中を上昇する単一気泡の形状および上昇速度について"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"The shape and the velocity of bubbles in various liquids listed in Table 1 were measured on photographs taken through a stroboscope.<br>The shape of gas bubbles changed from spherical to ellipsoidal, and then to mushroomlike, as the bubble size increased. The experimental results showed that up to the Reynolds number of 2<i>M</i><sup>-0.23</sup>, the bubble was almost spherical and traveled in a rectilinear path. In the range of 2<<i>ReM</i><sup>0.23</sup><16.5, ellipsoidal bubbles were formed and as the bubble size increased the shape became flatter. In the range of <i>ReM</i><sup>0.23</sup>>16.5, the bubble was of mushroom shape. These changes in shape are plotted in terms of <i>d</i>/<i>a</i> and <i>ReM</i><sup>0.23</sup> in Fig. 12, from which experimental equations, Eqs. (12)(15) are derived. These are applicable to bubbles in all solutions except for surface active agent solution. The bubbles in surface active agent solution remained spherical in much bigger size than those in pure water.<br>Data on the terminal velocity of gas bubbles are shown in Fig. 6. Of spherical and ellipsoidal bubbles, the surface tension and the viscosity were found to be important factors determining the rate of rise. Mushroomlike bubbles rose independently of liquid properties. To correlate the results, dimensionless parameters, <i>C<sub>D</sub></i>, <i>Re</i> and <i>M</i> were employed and experimental equations, Eqs. (9)(11), were obtained for all solutions except for surface active agent solution. These equations agree approximately well with the data of previous investigators summarized in Fig. 16. The presence of certain surface active substances in water served to increase the drag of bubbles, as was made clear by the comparison with the drag of bubbles in pure water."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410009221894701825","@type":"Researcher","foaf:name":[{"@language":"en","@value":"Tadaki Teiriki"},{"@language":"ja","@value":"只木 〓力"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Applied Chemistry, Tohoku Univ"},{"@language":"ja","@value":"東北大学工学部応用化学科"}]},{"@id":"https://cir.nii.ac.jp/crid/1410001206419083520","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000254654012"},{"@type":"NRID","@value":"9000017629062"}],"foaf:name":[{"@language":"en","@value":"Maeda Shiro"},{"@language":"ja","@value":"前田 四郎"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Applied Chemistry, Tohoku Univ"},{"@language":"ja","@value":"東北大学工学部応用化学科"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"03759253"},{"@type":"PISSN","@value":"http://id.crossref.org/issn/03759253"}],"prism:publicationName":[{"@language":"en","@value":"Chemical engineering"},{"@language":"ja","@value":"化学工学"},{"@language":"en","@value":"Chemical engineering"},{"@language":"ja","@value":"化学工学"}],"dc:publisher":[{"@language":"en","@value":"The Society of Chemical Engineers, Japan"},{"@language":"ja","@value":"公益社団法人 化学工学会"}],"prism:publicationDate":"1961","prism:volume":"25","prism:number":"4","prism:startingPage":"254","prism:endingPage":"264"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","url":[{"@id":"http://www.jstage.jst.go.jp/article/kakoronbunshu1953/25/4/25_4_254/_pdf"}],"availableAt":"1961","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360565165915556352","@type":"Article","resourceType":"学術雑誌論文(journal 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flow pattern in a plunging liquid jet aeration system using inclined nozzles."}]},{"@id":"https://cir.nii.ac.jp/crid/1390001205117288448","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Trajectory of Injected Gas Stream in Liquid"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679543881728","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Mechanics of motion and deformation of a single bubble rising through quiescent highly viscous newtonian and non-newtonian media."}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679545368576","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Simultaneous Measurement of 3-Dimensional Shape and Behavior of Single Bubble in Liquid Using Laser Sensors"},{"@value":"Simultaneous measurement of 3-dimensional shape and behavior of a single bubble in liquid using laser sensors"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679546333952","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"A New Approach for the Prediction of Gas Holdup in Bubble Columns Operated under Various Pressures in the Homogeneous Regime"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282680222752768","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Shapes of Single Drops Rising Through Stagnant Liquids"},{"@value":"Shape of single drops rising through stagnant liquids"}]},{"@id":"https://cir.nii.ac.jp/crid/1390294750821663744","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Investigation of Methane Hydrate Particle Motion in Development of Production Technology of Shallow-type Methane Hydrates"},{"@language":"ja","@value":"表層型メタンハイドレート回収技術開発に向けたメタンハイドレート粒子運動に関する研究"}]},{"@id":"https://cir.nii.ac.jp/crid/1390862876079657216","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Shape and Behavior of a Single Bubble Containing Aerosol Particles in Pool Scrubbing"},{"@language":"ja","@value":"プールスクラビングにおけるエアロゾルを含む単一気泡の形状および挙動"},{"@language":"ja-Kana","@value":"プールスクラビング ニ オケル エアロゾル オ フクム タンイツ キホウ ノ ケイジョウ オヨビ 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