Please use this identifier to cite or link to this item:
https://hdl.handle.net/11681/13151Full metadata record
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Bernard, Robert S. | - |
| dc.contributor.author | Schneider, Michael L. (Michael Lee) | - |
| dc.date.accessioned | 2016-07-18T15:21:30Z | - |
| dc.date.available | 2016-07-18T15:21:30Z | - |
| dc.date.issued | 1992-09 | - |
| dc.identifier.uri | http://hdl.handle.net/11681/13151 | - |
| dc.description | Technical Report | - |
| dc.description | Abstract: Without some correction for the interaction between lateral curvature and vertically nonuniform velocity, depth-averaged numerical models cannot predict the gradual migration of high velocity toward the outside of channel bends. Conventional depth-averaging does not account for the curvature-induced secondary flow that gives rise to the migration. To remedy this deficiency, a secondary flow correction (SFC) has been developed and incorporated in the two-dimensional STREMR code. The secondary governing equation contains two empirical coefficients, and these have been adjusted to make STREMR predictions agree with observed velocity profiles for a single 270-deg bend. Without further adjustment, the SFC yields comparable accuracy for multiple-bend predictions in two other channels with depth, curvature, and bottom friction different from the 270-deg case. This suggests that the SFC may be useful in general for bendways with small curvature, gentle side slope, and moderate bottom friction. | - |
| dc.publisher | Hydraulics Laboratory (U.S.) | - |
| dc.publisher | Engineer Research and Development Center (U.S.) | - |
| dc.relation | http://acwc.sdp.sirsi.net/client/en_US/search/asset/1027380 | - |
| dc.relation.ispartofseries | Technical report (U.S. Army Engineer Waterways Experiment Station) ; HL-92-9. | - |
| dc.rights | Approved for public release; distribution is unlimited. | - |
| dc.source | This Digital Resource was created from scans of the Print Resource | - |
| dc.subject | Bendway | - |
| dc.subject | Numerical model | - |
| dc.subject | Open channel | - |
| dc.subject | Secondary flow | - |
| dc.subject | Turbulence | - |
| dc.subject | Velocity distribution | - |
| dc.subject | Hydraulics | - |
| dc.subject | Hydrodynamics | - |
| dc.subject | Mathematical models | - |
| dc.subject | Secondary flow correction | - |
| dc.subject | STREMR (computer program) | - |
| dc.title | Depth-averaged numerical modeling for curved channels | - |
| dc.type | DOCUMENT | - |
| Appears in Collections: | Technical Report | |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| TR-HL-92-9.pdf | 2.12 MB | Adobe PDF |  View/Open |