An experimental investigation of artificial supercavitation generated by air injection behind disk-shaped cavitators
In this paper, we investigated physical characteristics of an artificial supercavity generated behind an axisymmetric cavitator. Experiments for the same model were carried out at two different cavitation tunnels of the Chungnam National University and the University of Minnesota, and the results we...
| Main Authors: | , , , , , |
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| Formato: | Artigo |
| Idioma: | English |
| Publicado: |
Elsevier
2017-03-01
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| Series: | International Journal of Naval Architecture and Ocean Engineering |
| Subjects: | |
| Acceso en liña: | http://www.sciencedirect.com/science/article/pii/S2092678216304885 |
| _version_ | 1828316320815382528 |
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| author | Byoung-Kwon Ahn So-Won Jeong Ji-Hye Kim Siyao Shao Jiarong Hong Roger E.A. Arndt |
| author_facet | Byoung-Kwon Ahn So-Won Jeong Ji-Hye Kim Siyao Shao Jiarong Hong Roger E.A. Arndt |
| author_sort | Byoung-Kwon Ahn |
| collection | DOAJ |
| description | In this paper, we investigated physical characteristics of an artificial supercavity generated behind an axisymmetric cavitator. Experiments for the same model were carried out at two different cavitation tunnels of the Chungnam National University and the University of Minnesota, and the results were compared and verified with each other. We measured pressures inside the cavity and observed the cavity formation by using a high-speed camera. Cavitation parameters were evaluated in considering blockage effects of the tunnel, and gravitational effects on supercavity dimensions were examined. Cavity dimensions corresponding to the unbounded cavitation number were compared. In addition, we investigated how artificial supercavitation develops according to the combination of injection positions and direction. |
| first_indexed | 2024-04-13T17:11:43Z |
| format | Article |
| id | doaj.art-453e8812228c42048480901b9ea2b40e |
| institution | Directory Open Access Journal |
| issn | 2092-6782 |
| language | English |
| last_indexed | 2024-04-13T17:11:43Z |
| publishDate | 2017-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | International Journal of Naval Architecture and Ocean Engineering |
| spelling | doaj.art-453e8812228c42048480901b9ea2b40e2022-12-22T02:38:15ZengElsevierInternational Journal of Naval Architecture and Ocean Engineering2092-67822017-03-019222723710.1016/j.ijnaoe.2016.10.006An experimental investigation of artificial supercavitation generated by air injection behind disk-shaped cavitatorsByoung-Kwon Ahn0So-Won Jeong1Ji-Hye Kim2Siyao Shao3Jiarong Hong4Roger E.A. Arndt5Dept. of Naval Architecture and Ocean Engineering, Chungnam National University, Republic of KoreaDept. of Naval Architecture and Ocean Engineering, Chungnam National University, Republic of KoreaDept. of Naval Architecture and Ocean Engineering, Chungnam National University, Republic of KoreaSt. Anthony Falls Laboratory, University of Minnesota, MN, USASt. Anthony Falls Laboratory, University of Minnesota, MN, USASt. Anthony Falls Laboratory, University of Minnesota, MN, USAIn this paper, we investigated physical characteristics of an artificial supercavity generated behind an axisymmetric cavitator. Experiments for the same model were carried out at two different cavitation tunnels of the Chungnam National University and the University of Minnesota, and the results were compared and verified with each other. We measured pressures inside the cavity and observed the cavity formation by using a high-speed camera. Cavitation parameters were evaluated in considering blockage effects of the tunnel, and gravitational effects on supercavity dimensions were examined. Cavity dimensions corresponding to the unbounded cavitation number were compared. In addition, we investigated how artificial supercavitation develops according to the combination of injection positions and direction.http://www.sciencedirect.com/science/article/pii/S2092678216304885Cavitation tunnelCavitatorSupercavitationArtificial supercavitationBlockage effectGravitational effect |
| spellingShingle | Byoung-Kwon Ahn So-Won Jeong Ji-Hye Kim Siyao Shao Jiarong Hong Roger E.A. Arndt An experimental investigation of artificial supercavitation generated by air injection behind disk-shaped cavitators International Journal of Naval Architecture and Ocean Engineering Cavitation tunnel Cavitator Supercavitation Artificial supercavitation Blockage effect Gravitational effect |
| title | An experimental investigation of artificial supercavitation generated by air injection behind disk-shaped cavitators |
| title_full | An experimental investigation of artificial supercavitation generated by air injection behind disk-shaped cavitators |
| title_fullStr | An experimental investigation of artificial supercavitation generated by air injection behind disk-shaped cavitators |
| title_full_unstemmed | An experimental investigation of artificial supercavitation generated by air injection behind disk-shaped cavitators |
| title_short | An experimental investigation of artificial supercavitation generated by air injection behind disk-shaped cavitators |
| title_sort | experimental investigation of artificial supercavitation generated by air injection behind disk shaped cavitators |
| topic | Cavitation tunnel Cavitator Supercavitation Artificial supercavitation Blockage effect Gravitational effect |
| url | http://www.sciencedirect.com/science/article/pii/S2092678216304885 |
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