| contributor author | Hossein Afzalimehr | |
| contributor author | Vijay P. Singh | |
| contributor author | Elham Fazel Najafabadi | |
| date accessioned | 2017-05-08T21:48:40Z | |
| date available | 2017-05-08T21:48:40Z | |
| date copyright | March 2010 | |
| date issued | 2010 | |
| identifier other | %28asce%29he%2E1943-5584%2E0000197.pdf | |
| identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/63045 | |
| description abstract | Friction factor plays a fundamental role in hydraulic analysis and design. In coarse-bed rivers friction factor depends on grain size and bed forms. Considering boundary-layer characteristics, this study first determines the total friction factor in gravel-bed rivers with bed forms. Then it determines the grain friction factor by the Keulegan and the Shields parameter methods and compares these methods. Finally it determines the form friction factor by subtracting the grain friction factor from the total friction factor. Field observations are employed to test the methods. | |
| publisher | American Society of Civil Engineers | |
| title | Determination of Form Friction Factor | |
| type | Journal Paper | |
| journal volume | 15 | |
| journal issue | 3 | |
| journal title | Journal of Hydrologic Engineering | |
| identifier doi | 10.1061/(ASCE)HE.1943-5584.0000175 | |
| tree | Journal of Hydrologic Engineering:;2010:;Volume ( 015 ):;issue: 003 | |
| contenttype | Fulltext | |