1.asp

《管式加热炉设计计算程序》本程序依据《管式加热炉规范》 SY/T0538-2004进行开发而成。适用于油田、长输管道圆筒型管式加热炉（包括丁头管、翅片管）的热力计算、水力计算、阻力计算及强度计算。

  var prsVal = parseFloat(allNum);
  if (chkVal != "" && !(prsVal >= "100" && prsVal <= "2000"))
  {
    alert("请在 t24 域中输入值 大于或等于 100 与 小于或等于 2000。");
    theForm.t24.focus();
    return (false);
  }

  var checkOK = "0123456789-.,";
  var checkStr = theForm.t25.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("在 t25 域中，只能输入 数字 个字符。");
    theForm.t25.focus();
    return (false);
  }

  if (decPoints > 1)
  {
    alert("请在 t25 域中输入一个有效数字。");
    theForm.t25.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseFloat(allNum);
  if (chkVal != "" && !(prsVal >= "1" && prsVal <= "1000"))
  {
    alert("请在 t25 域中输入值 大于或等于 1 与 小于或等于 1000。");
    theForm.t25.focus();
    return (false);
  }

  var checkOK = "0123456789-.,";
  var checkStr = theForm.t26.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("在 t26 域中，只能输入 数字 个字符。");
    theForm.t26.focus();
    return (false);
  }

  if (decPoints > 1)
  {
    alert("请在 t26 域中输入一个有效数字。");
    theForm.t26.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseFloat(allNum);
  if (chkVal != "" && !(prsVal >= "1" && prsVal <= "1000"))
  {
    alert("请在 t26 域中输入值 大于或等于 1 与 小于或等于 1000。");
    theForm.t26.focus();
    return (false);
  }

  var checkOK = "0123456789-.,";
  var checkStr = theForm.t27.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("在 t27 域中，只能输入 数字 个字符。");
    theForm.t27.focus();
    return (false);
  }

  if (decPoints > 1)
  {
    alert("请在 t27 域中输入一个有效数字。");
    theForm.t27.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseFloat(allNum);
  if (chkVal != "" && !(prsVal >= "0" && prsVal <= "10"))
  {
    alert("请在 t27 域中输入值 大于或等于 0 与 小于或等于 10。");
    theForm.t27.focus();
    return (false);
  }

  var checkOK = "0123456789-.,";
  var checkStr = theForm.t33.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("在 t33 域中，只能输入 数字 个字符。");
    theForm.t33.focus();
    return (false);
  }

  if (decPoints > 1)
  {
    alert("请在 t33 域中输入一个有效数字。");
    theForm.t33.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseFloat(allNum);
  if (chkVal != "" && !(prsVal >= "0" && prsVal <= "200"))
  {
    alert("请在 t33 域中输入值 大于或等于 0 与 小于或等于 200。");
    theForm.t33.focus();
    return (false);
  }

  var checkOK = "0123456789-.,";
  var checkStr = theForm.t34.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("在 t34 域中，只能输入 数字 个字符。");
    theForm.t34.focus();
    return (false);
  }

  if (decPoints > 1)
  {
    alert("请在 t34 域中输入一个有效数字。");
    theForm.t34.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseFloat(allNum);
  if (chkVal != "" && !(prsVal >= "1" && prsVal <= "2000"))
  {
    alert("请在 t34 域中输入值 大于或等于 1 与 小于或等于 2000。");
    theForm.t34.focus();
    return (false);
  }

  var checkOK = "0123456789-.,";
  var checkStr = theForm.t35.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("在 t35 域中，只能输入 数字 个字符。");
    theForm.t35.focus();
    return (false);
  }

  if (decPoints > 1)
  {
    alert("请在 t35 域中输入一个有效数字。");
    theForm.t35.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseFloat(allNum);
  if (chkVal != "" && !(prsVal >= "0" && prsVal <= "200"))
  {
    alert("请在 t35 域中输入值 大于或等于 0 与 小于或等于 200。");
    theForm.t35.focus();
    return (false);
  }

  var checkOK = "0123456789-.,";
  var checkStr = theForm.t36.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("在 t36 域中，只能输入 数字 个字符。");
    theForm.t36.focus();
    return (false);
  }

  if (decPoints > 1)
  {
    alert("请在 t36 域中输入一个有效数字。");
    theForm.t36.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseFloat(allNum);
  if (chkVal != "" && !(prsVal >= "1" && prsVal <= "1000"))
  {
    alert("请在 t36 域中输入值 大于或等于 1 与 小于或等于 1000。");
    theForm.t36.focus();
    return (false);
  }

  var checkOK = "0123456789-.,";
  var checkStr = theForm.t28.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("在 t28 域中，只能输入 数字 个字符。");
    theForm.t28.focus();
    return (false);
  }

  if (decPoints > 1)
  {
    alert("请在 t28 域中输入一个有效数字。");
    theForm.t28.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseFloat(allNum);
  if (chkVal != "" && !(prsVal >= "100" && prsVal <= "10000"))
  {
    alert("请在 t28 域中输入值 大于或等于 100 与 小于或等于 10000。");
    theForm.t28.focus();
    return (false);
  }

  var checkOK = "0123456789-.,";
  var checkStr = theForm.t29.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("在 t29 域中，只能输入 数字 个字符。");
    theForm.t29.focus();
    return (false);
  }

  if (decPoints > 1)
  {
    alert("请在 t29 域中输入一个有效数字。");
    theForm.t29.focus();
    return (false);
  }

  var chkVal = allNum;
  var prsVal = parseFloat(allNum);
  if (chkVal != "" && !(prsVal >= "0.1" && prsVal <= "200"))
  {
    alert("请在 t29 域中输入值 大于或等于 0.1 与 小于或等于 200。");
    theForm.t29.focus();
    return (false);
  }

  var checkOK = "0123456789-.,";
  var checkStr = theForm.t30.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("在 t30 域中，只能输入 数字 个字符。");
    theForm.t30.focus();
    return (false);
  }

  if (decPoints > 1)