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<br />e <br /> <br />I <br />e <br /> <br />UNIT CONVERSION <br /> <br />IX <br /> <br />Multiply inch-pound unit <br /> <br />By <br /> <br />To obtain SI unit <br /> <br />ft(foot) <br />mi(mile) <br />ft'/s (cu bie foot per second) <br /> <br />3.048 x 10-' <br />1.609 <br />0,028 <br /> <br />m (meter) <br />km (kilometer) <br />m3js (cubic meter per second) <br /> <br />Symbol <br />A <br />A <br />a <br />B <br />C <br />C <br />C <br />c <br />D_ <br />d <br />db <br />dm <br />d", <br />F <br />FRDN <br />f <br />8 <br />h <br />h. <br />h, <br />h, <br />i <br />K <br />K. <br /> <br />k <br />k <br />L <br />L <br />L <br />L <br />M <br />M <br />n <br />p <br />Q <br />q <br />R <br />R <br />R <br />R <br /> <br />SYMBOLS AND UNITS: <br /> <br />lkfWfitM <br /> <br />Area of croos sectian <br />Drainage orea of basin <br />Area of subsection <br />Subscript denoting byp... channel <br />Cbezy discharge caefficient <br />Subscript referring to a cuJvert <br />Type of backwater profile for critical-flow conditIooa <br />Subscript denating compaoite sectian <br />Maximum depth of flow in croos _ <br />Subscript denating downatream croos section <br />Depth of flow an flood plain <br />Mean depth <br />Median diameter of bed material <br />Froude number <br />Index Froude number <br />Darey.Weiabach reeiatance coefficient <br />Gravitation canatant (acceleration) <br />Static er piezometric bead above lIIl ad>itrary datnm <br />Energy loas due to ebannel expanaian-"",.....t.o.:tioo <br />Head 100. due to friction <br />V eIocity head at a section <br />Subscript referring to individual subsection <br />Conveyance of a sectian <br />Conveyance of the subsectian contaming the diacharge that is not conb'actad to enter a single <br />contracted opening <br />Part of the tota1 conveyance <br />Coefficient fer energy loas <br />Length of n!8Ch <br />Distance from Iefted&" of water to a pnint in the croos sectian <br />Subscript denoting left subsection er channel <br />Subacript denoting the .ubsectian having the largeat conveyance <br />Subacript denoting middle channeler main channel <br />Type of backwater profile fer subcritical-fIow canditians <br />Manning rougbneas coefficient <br />Wetted perimeter of croos sectian of flow <br />Total diacharge <br />Part of the tota1 discharge <br />Hydraulic radiu. <br />Distance from right edge of water to a pnintin the croossectian <br />Subscript denoting right subsectian er channal.; <br />Subscript referring to road ....ban~ <br /> <br />Unit <br />ft' <br />ft' ., <br />,nu <br />ft' <br /> <br />ftll2/s <br /> <br />It <br /> <br />ft <br />ft <br />ft <br /> <br />W.' <br />ft <br />ft <br />ft <br />ft <br /> <br />ft"/. <br /> <br />ft!'1. <br />ft!'1. <br /> <br />ft <br />ft <br /> <br />ft!" <br />ft <br />ft!'/. <br />ft!'r. <br />ft <br />ft <br />