[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.

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