| contributor author | Nicholas P. Wallerstein | |
| contributor author | Carlos V. Alonso | |
| contributor author | Sean J. Bennett | |
| contributor author | Colin R. Thorne | |
| date accessioned | 2017-05-08T20:44:17Z | |
| date available | 2017-05-08T20:44:17Z | |
| date copyright | March 2002 | |
| date issued | 2002 | |
| identifier other | %28asce%290733-9429%282002%29128%3A3%28349%29.pdf | |
| identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/25347 | |
| description abstract | Drag forces exerted on cylindrical simulated logs by flowing water are measured in a laboratory flume. Drag coefficient values calculated from these data are presented for a range of log submergence and slenderness values. Drag coefficients for large submergence values are consistent with those previously published. However, at submergence values less than eight element diameters, the observed drag coefficients are consistently higher than those previously published. This discrepancy is due to the additional drag created by stationary surface waves which causes the drag coefficient to increase considerably when a log is positioned near the free surface. This phenomenon, which has not been accounted for in previous studies on large woody debris, is shown to depend on log slenderness, submergence, and Froude number. | |
| publisher | American Society of Civil Engineers | |
| title | Surface Wave Forces Acting on Submerged Logs | |
| type | Journal Paper | |
| journal volume | 128 | |
| journal issue | 3 | |
| journal title | Journal of Hydraulic Engineering | |
| identifier doi | 10.1061/(ASCE)0733-9429(2002)128:3(349) | |
| tree | Journal of Hydraulic Engineering:;2002:;Volume ( 128 ):;issue: 003 | |
| contenttype | Fulltext | |
