[insert_php]
session_start();
$hyd1=0;$wet1=0;$area1=0;$area=0;$wet=0;$oper=0;$e1=0;$e2=0;$no1=”-“;$no2=”-“;$result2=”-“;
$i=””;$haw=0;$haww=0;$_SESSION[“haww”]=””;$_SESSION[“e1″]=””;$_SESSION[“e2″]=””;$_SESSION[“oper”]=””;$_SESSION[“haww1″]=””;$_SESSION[“e11″]=””;$_SESSION[“e21″]=””;$_SESSION[“oper1″]=””;
if(isset($_POST[“Calculate”]))
{
$haw=$_POST[“haw”]; $_SESSION[“haww”]=$haw;
if($haw === “hr”){
$no1 = “Area of Section Flow”;
$no2 = “Wetted Perimeter”;
$result2 = “Hydraulic Radius”;
$area=$_POST[“area”];$_SESSION[“e1”]=$area;
$wet=$_POST[“wet”];$_SESSION[“e2”]=$wet;
if($wet==0){echo ““;}
else{$hyd1=($area/$wet);$_SESSION[“oper”]=$hyd1;}
}
else if ($haw === “af”) {
$no1 = “Hydraulic Radius”;
$no2 = “Wetted Perimeter”;
$result2 = “Area of Section Flow”;
$hyd=$_POST[“hyd”];$_SESSION[“e1”]=$hyd;
$wet=$_POST[“wet”];$_SESSION[“e2”]=$wet;
$area1=($hyd*$wet);$_SESSION[“oper”]=$area1;
}
else{
$no1 = “Area of Section Flow”;
$no2 = “Hydraulic Radius”;
$result2 = “Wetted Perimeter”;
$area=$_POST[“area”];$_SESSION[“e1”]=$area;
$hyd=$_POST[“hyd”];$_SESSION[“e2”]=$hyd;
if($hyd ==0){echo ““;}
else{$wet1=($area/$hyd);$_SESSION[“oper”]=$wet1;}
}
}
unset($_POST[“submit”]);
[/insert_php]
Hydraulic Radius Examples, Formula, Calculator
hydraulic radius is the ratio of the cross-sectional area of a pipe to the perimeter of a pipe through which a fluid is flowing.