/* Temperaturtank
-----------------*/
function ClearForm(form)
{
}
function ResetForm(form)
{
form.jtid.value="";
form.jtemp.value="";
form.temp.value="";
}
function berakna(form)
{
minne1=0.008*((2*form.bredd.value*form.hojd.value)+(2*form.hojd.value*form.langd.value)+(2*form.bredd.value*form.langd.value));
return minne1;
}
function compute(form)
{
if (check(form)==false)
{
ResetForm(form);
}
else
{
ResetForm(form)
berakna(form);
konst=Math.round(100*(0.471*form.langd.value*form.bredd.value*form.hojd.value/minne1))/100;
form.jtid.value=Math.round(100*(3.9*konst))/100;
minne2=Math.pow(Math.E,(form.tid.value/konst));
form.jtemp.value=Math.round(100*(parseFloat(form.stemp.value)+(parseFloat(form.effekt.value)/minne1)))/100;
form.temp.value=Math.round(100*(((minne2-1)*(form.jtemp.value-form.stemp.value)/minne2)+parseFloat(form.stemp.value)))/100;
}
}
function check(form)
{
if (form.langd.value.length==0||form.bredd.value.length==0||form.hojd.value.length==0||form.stemp.value.length==0||form.effekt.value.length==0||form.tid.value.length==0){
alert("Erforderliga indata saknas!");
return false;
}
else
return true;
}
var now = new Date();
var year = now.getYear();
var month = (((now.getMonth()+1) < 10) ? "0" : "") + (now.getMonth()+1);
var day = ((now.getDate() < 10) ? "0" : "") + now.getDate();
var MonthDayYear =(" "+year+month+day+" ");
function print(form)
{
text=("Utskrift beräkning temperatur hydrauloljetank");
text=(text+"Beräkning temperatur hydrauloljetank");
text=(text+"");
text=(text+MonthDayYear);
text=(text+"
");
text=(text+"Indata
");
text=(text+"
| Tanklängd = | "+form.langd.value+" | m |
| Tankbredd = | "+form.bredd.value+" | m |
| Tankhöjd = | "+form.hojd.value+" | m |
| Starttemperatur = | "+form.stemp.value+" | °C |
| Tillförd effekt = | "+form.effekt.value+" | kW |
| Tid tillförd effekt = | "+form.tid.value+" | timmar |
");
text=(text+"
");
text=(text+"Resultat
");
text=(text+"
| Tid jämnvikt = | "+form.jtid.value+" | timmar |
| Jämnviktstemp. = | "+form.jtemp.value+" | °C |
| Temperatur = | "+form.temp.value+" | °C |
");
text=(text+"
");
text=(text+"