fa بررسی لایه‌بندی حرارتی سد کرخه با استفاده از مدل CE-QUAL-W2 تجهیزات مکانیکی و هیدرومکانیک تجهیزات مکانیکی و هیدرومکانیک پژوهشي Research <span style="font-size:11pt"><span style="line-height:107%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">دریاچه &shy;ها و مخازن از&nbsp; منابع مهم آب&shy;های سطحی است که برای مصارف گوناگون مانند شرب، کشاورزی، صنعت و ... استفاده می&shy; شوند.</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">یکی از عوامل بسیار مهم در کیفیت آب مخازن لایه &shy;بندی حرارتی می &shy;&shy;باشد.</span></span></span> <span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">درتحقیق حاضر، از رویکرد شبیه&shy;سازی بر مبنای تلفیق مدل کیفی </span></span></span>CE-QUAL-W2<span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:"> و روش الگوریتم چرخه آب (</span></span></span>WCA<span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">) برای مدلسازی کیفی مخزن سد کرخه </span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">استفاده</span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:"> شده است. برای مطالعه و بررسی دقیق لایه&shy;یندی حرارتی ابتدا از مدل کیفی </span></span></span>CE-QUAL-W2<span style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:"> برای شبیه&shy;سازی دما در سال های 1393 و1394 استفاده شد و سپس برای کالیبراسیون پارامترهای مؤثر بر دما در مدل</span></span></span>CE-QUAL-W2 <span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">، یک مدل کامپیوتری بر مبنای الگوریتم </span></span></span>WCA<span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:"> توسعه داده شد. بررسی کارآیی مدل ساخته شده با استفاده از یک &shy;سری شاخص&shy;های آماری نظیر ضریب همبستگی (</span></span></span>R²<span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">)، جذر میانگین مربعات خطا (</span></span></span>RMSE<span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">) و میانگین انحراف خطا (</span></span></span>MBE<span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">) صورت گرفت. مقادیر </span></span></span>R²<span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:"> در الگوریتم </span></span></span>WCA<span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:"> در3 مرداد، 26 مرداد و 16 شهریور (183، 206، 227) به ترتیب برابر با 95/0، 95/0 و 99/0 به دست آمده است. همچنین مقادیر </span></span></span>RMSE<span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:"> و </span></span></span>MBE <span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">در الگوریتم </span></span></span>WCA<span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:"> به ترتیب برابر</span></span></span><span lang="AR-SA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">87/1، 33/1، 21/1و69/0-، 84/0 و 68/0 می باشد. به طورکلی می توان نتیجه گرفت که الگوریتم </span></span></span>WCA <span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span b="" nazanin="" style="font-family:">در تخمین پارامترهای مؤثر بر دما از دقت خوبی برخوردارمی باشند</span></span></span><span dir="LTR" style="font-size:14.0pt"><span style="line-height:107%">.</span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin""></span></span></span></span></span></span></span></span><br> &nbsp; <span style="font-size:11pt"><span style="line-height:115%"><span style="tab-stops:21.3pt"><span style="text-autospace:none"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span style="font-size:12.0pt"><span style="line-height:115%">Lakes and reservoirs are important sources of surface water that are used for various purposes such as </span></span><span style="font-size:12.0pt"><span style="line-height:115%">drink,</span></span><span style="font-size:12.0pt"><span style="line-height:115%"> agriculture, industry and etc. One of the most important factors that affects the water quality of the reservoirs is thermal stratification. In this research, a simulation approach based on CE-QUAL-W2 qualitative models and the Water Cycle Algorithm (WCA) method have been used for qualitative modeling of </span></span><span class="fontstyle01" style="font-family:TimesNewRomanPSMT,serif"><span style="color:black"><span style="font-weight:normal"><span style="font-style:normal"><span style="font-size:12.0pt"><span style="line-height:115%">Karkheh dam </span></span></span></span></span></span><span style="font-size:12.0pt"><span style="line-height:115%">reservoir. </span></span><span class="fontstyle01" style="font-family:TimesNewRomanPSMT,serif"><span style="color:black"><span style="font-weight:normal"><span style="font-style:normal"><span style="font-size:12.0pt"><span style="line-height:115%">In order to investigate the </span></span></span></span></span></span><span style="font-size:12.0pt"><span style="line-height:115%">thermal stratification,</span></span><span class="fontstyle01" style="font-family:TimesNewRomanPSMT,serif"><span style="color:black"><span style="font-weight:normal"><span style="font-style:normal"><span style="font-size:12.0pt"><span style="line-height:115%"> CE-QUALW2 </span></span></span></span></span></span><span style="font-size:12.0pt"><span style="line-height:115%">qualitative model has been used for simulating temperature </span></span><span class="fontstyle01" style="font-family:TimesNewRomanPSMT,serif"><span style="color:black"><span style="font-weight:normal"><span style="font-style:normal"><span style="font-size:12.0pt"><span style="line-height:115%">during the years 2014 to 2015. Then, for calibration of parameters affecting temperature, a computer model based on the&nbsp;</span></span></span></span></span></span><span style="font-size:12.0pt"><span style="line-height:115%">WCA</span></span><span class="fontstyle01" style="font-family:TimesNewRomanPSMT,serif"><span style="color:black"><span style="font-weight:normal"><span style="font-style:normal"><span style="font-size:12.0pt"><span style="line-height:115%"> algorithm was developed. The efficiency of the model was investigated by statistical indicators such as correlation coefficient (</span></span></span></span></span></span><span style="font-size:12.0pt"><span style="line-height:115%">R²</span></span><span class="fontstyle01" style="font-family:TimesNewRomanPSMT,serif"><span style="color:black"><span style="font-weight:normal"><span style="font-style:normal"><span style="font-size:12.0pt"><span style="line-height:115%">), root mean square error (RMSE), and mean Basic Error (</span></span></span></span></span></span>MBE). <span class="fontstyle01" style="font-family:TimesNewRomanPSMT,serif"><span style="color:black"><span style="font-weight:normal"><span style="font-style:normal"><span style="font-size:12.0pt"><span style="line-height:115%">The values ​​of </span></span></span></span></span></span><span style="font-size:12.0pt"><span style="line-height:115%">R²</span></span><span class="fontstyle01" style="font-family:TimesNewRomanPSMT,serif"><span style="color:black"><span style="font-weight:normal"><span style="font-style:normal"><span style="font-size:12.0pt"><span style="line-height:115%">based on the WCA algorithm on 3</span></span></span></span></span></span> <span class="fontstyle01" style="font-family:TimesNewRomanPSMT,serif"><span style="color:black"><span style="font-weight:normal"><span style="font-style:normal"><span style="font-size:12.0pt"><span style="line-height:115%">August, 26 August, and 16 September (183, 206, and 227) were obtained 0.95, 0.95, and 0.99, respectively. Also, the RMSE and MBE values were equal to 1.87, 1.33, and 1.21 and -0.69, 0.84 and 0.68, respectively. It can be concluded</span></span></span></span></span></span> <span class="fontstyle01" style="font-family:TimesNewRomanPSMT,serif"><span style="color:black"><span style="font-weight:normal"><span style="font-style:normal"><span style="font-size:12.0pt"><span style="line-height:115%">that the WCA algorithm has great accuracy in the estimation of the parameters affecting the temperature.</span></span></span></span></span></span><span class="fontstyle01" style="font-family:TimesNewRomanPSMT,serif"><span style="color:black"><span style="font-weight:normal"><span style="font-style:normal"><span style="font-size:12.0pt"><span style="line-height:115%"></span></span></span></span></span></span></span></span></span></span></span></span><br> &nbsp; مدلCE-QUAL-W2 , کالیبراسیون, لایه‌بندی حرارتی, الگوریتم چرخه آب CE-QUALW2 model, Calibration, Thermal Stratification, Water Cycle Algorithm 55 69 http://journal.hydropower.org.ir/browse.php?a_code=A-10-949-1&slc_lang=fa&sid=1 Saghi Bagherzadeh ساقی باقرزاده saghibagherzadeh.sb@gmail.com 2980268852 10031947532846004405 No Shahid Bahonar University of Kerman دانشگاه شهید باهنرکرمان Mahnaz Ghaeini-Hessaroeyeh مهناز قائینی حصاروئیه mghaeini@uk.ac.ir 0938884840 10031947532846004406 Yes Shahid Bahonar University of Kerman دانشگاه شهید باهنرکرمان Kourosh Qaderi کوروش قادری kouroshqaderi@uk.ac.ir 4172652451 10031947532846004407 No Shahid Bahonar University of Kerman دانشگاه شهید باهنرکرمان