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Last modified
1/25/2010 7:14:53 PM
Creation date
10/5/2006 3:43:52 AM
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Floodplain Documents
County
Statewide
Basin
Statewide
Title
Application of the HEC-2 Split Flow Option
Date
4/1/1982
Prepared By
US Army Corps of Engineers
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />I <br /> <br />... <br /> <br />. <br /> <br />RBC-2 SPLIT PLOIf OP'1'I~ <br /> <br />Solit flows are flows that leave the main eiver flow an~ tak~ completely <br /> <br /> <br />~~parat~ path" from the path tak..n by the main riv..r flow. TIt.. split flows may <br /> <br />r~turn further dbwn..tream Dr may be compl..tely lost. <br /> <br /> <br />that none of the split flows return and automatically <br /> <br />'!'he KBC-2 program BSSI11llell <br />r~uCf's tit.. ~ischarqeR <br /> <br />downstream from the split flow location unless the user specifies w~ere to <br /> <br /> <br />return the flow and what percent of it to return. <br /> <br />Ca"al:li li tt es. <br />The 1IBC-2 sJ)llt flow ootinn has the fOllowinq capabilities: <br /> <br />Can solve up to 100 separate split flows siBultft~eously. <br />up to 15 profiles NlY he solved in one execution. <br />Three methods for determininq the split flows ar~ Availahle. <br />1. Weir flow assumPtion <br />2. Normal ""pth assumption <br />3. Rating curve assumption <br />AH or a pereentaqe of the split flow can he returned. <br />Option of l!it1ler usinq the wat..e surf_ or I!!nerqy <br />elevation for c:oftIPUting the s-pHt flows. <br />Allows tho!. use of ratinq curves for starting the haekwater. <br />'!'his caoabiHty is now a geneeal 1IBC-2 capability and may <br />he us'" without ~aving to use the split flow option. <br /> <br />(' <br /> <br />, <br /> <br />l <br /> <br />2 <br />
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