/// <summary> /// /// </summary> /// <param name="MidInP">低压缸进汽压力</param> /// <param name="LowOutP">低压缸排汽压力</param> /// <returns>返回值为kPa</returns> public static double calC1() { double decRet = 0; try { #region 计算过程 //低压缸进汽压力 表压 double dou_jqyl = Convert.ToDouble(CJPrj.Cls.CalTree.CalDataTable.Rows[0]["F111"].ToString()); double dqy = Convert.ToDouble(CJPrj.Cls.CalTree.CalDataTable.Rows[0]["F4"].ToString()); if (Convert.ToDouble(dou_jqyl) == ConstYXYH.ReplaceValue) { DataRow[] dtrarr = CJPrj.Cls.CalTree.dtTagsSet.Select("ExcelCell='F111'"); if (string.IsNullOrEmpty(dtrarr[0]["setvalue"].ToString())) { CJPrj.Cls.CalTree.CalDataTable.Rows[0]["F2"] = ConstYXYH.ReplaceValue; return(ConstYXYH.ReplaceValue); } dou_jqyl = Convert.ToDouble(dtrarr[0]["setvalue"]); } if (Convert.ToDouble(dqy) == ConstYXYH.ReplaceValue) { DataRow[] dtrarr = CJPrj.Cls.CalTree.dtTagsSet.Select("ExcelCell='F4'"); if (string.IsNullOrEmpty(dtrarr[0]["setvalue"].ToString())) { CJPrj.Cls.CalTree.CalDataTable.Rows[0]["F2"] = ConstYXYH.ReplaceValue; return(ConstYXYH.ReplaceValue); } dqy = Convert.ToDouble(dtrarr[0]["setvalue"]); } dou_jqyl = dou_jqyl + dqy; //低压缸进汽绝对压力 double dou_pqyl = Math.Round(Convert.ToDouble(CJPrj.Cls.CalTree.CalDataTable.Rows[0]["F126"].ToString()), 5); //低压缸排汽压力f126*100 59 //string tempStr1 = CJPrj.Cls.CalTree.CalDataTable.Rows[0]["F126"].ToString(); //string tempStr2 = CJPrj.Cls.CalTree.CalDataTable.Rows[0]["F4"].ToString(); if (Convert.ToDouble(dou_pqyl) == ConstYXYH.ReplaceValue) { DataRow[] dtrarr = CJPrj.Cls.CalTree.dtTagsSet.Select("ExcelCell='F126'"); if (string.IsNullOrEmpty(dtrarr[0]["setvalue"].ToString())) { return(7); } dou_pqyl = Convert.ToDouble(dtrarr[0]["setvalue"]); } double K = 0; if (dou_jqyl < 0.1361) //低压缸进气压力低于0.17Mpa时 { K = 20; //低压缸排汽压力限制值为20KP decRet = 100 + (dou_pqyl - K) / 0.2; } else if (dou_jqyl > 0.43) //低压缸进气压力高于0.43Mpa时 { K = 58; //低压缸排汽压力限制值为58KP decRet = 100 + (dou_pqyl - K) / 0.2; } else//低压缸进气压力在0.17和0.43Mpa之间时 { //限制值为:(146.154*低压缸进汽压力的绝对值-4.846) K = dou_jqyl * 146.154 - 4.846; decRet = 100 + (dou_pqyl - K) / 0.2; } //保存数据 CJPrj.Cls.CalTree.CalDataTable.Rows[0]["F2"] = decRet.ToString(); #endregion } catch (Exception e) { WriteLog.WriteLogs("按压力计算出错:" + e.Message); WriteLog.WriteLogs("InnerException:" + e.InnerException.Message); WriteLog.WriteLogs("ErrorSource:" + e.Source.ToString()); WriteLog.WriteLogs("ErrorSource:" + e.TargetSite.Attributes.ToString()); } finally { } return(decRet); }