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تحلیل ترمودینامیکی و ترمواکونومیکی سیستم ترکیبی مبدل حرارتی جذبی، چرخه رانکین آلی و آب‌شیرین‌کن اسمز معکوس | ||
| نشریه مهندسی مکانیک امیرکبیر | ||
| مقاله 20، دوره 53، شماره 1 (Special Issue)، فروردین 1400، صفحه 639-654 اصل مقاله (1.1 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22060/mej.2019.16357.6354 | ||
| نویسندگان | ||
| آرش آرامش1؛ ابراهیم جهانشاهی جواران* 2؛ مهران عامری3؛ اقبال بنی اسد عسکری4 | ||
| 1گروه انرژی‌های تجدیدپذیر و تبدیل انرژی، پژوهشگاه علوم و تکنولوژی پیشرفته و علوم محیطی، دانشگاه تحصیلات تکمیلی صنعتی و فناوری پیشرفته، کرمان، ایران | ||
| 2عضو هیات علمی، دانشگاه تحصیلات تکمیلی صنعتی و فناوری پیشرفته | ||
| 3بخش مهندسی مکانیک، دانشکده فنی و مهندسی، دانشگاه شهید باهنرکرمان، کرمان، ایران | ||
| 4گروه مهندسی مکانیک، دانشکده فنی و مهندسی، دانشگاه زابل، زابل،ایران | ||
| چکیده | ||
| در این تحقیق، تحلیل ترمودینامیکی و ترمواکونومیکی سیستم ترکیبی مبدل حرارتی جذبی، چرخه رانکین آلی و آب‌شیرین‌کن اسمز معکوس با هدف تولید الکتریسیته و آب شیرین از منابع دما پایین انجام شده است. کلیه آنالیز‌ها براساس قوانین ترمودینامیک و ترمواکونومیک می‌باشد. نتایج نشان می‌دهند که در سیستم مبدل حرارتی جذبی با دستیابی به ضریب عملکرد 4372/0 مقدار 7/494 کیلووات انرژی حرارتی در ابزوربر حاصل می‌شود که دمای آن تا 105 درجه سلسیوس افزایش می‌یابد. با انتقال این مقدار حرارت به سیستم رانکین آلی، مقدار 18/63 کیلووات الکتریسیته تولید می‌شود. با مصرف این مقدار الکتریسیته در سیستم اسمزمعکوس، 2/216 مترمکعب در روز آب شیرین تولید می‌گردد که هزینه این مقدار آب تولید شده 217/2 دلار به ازای هر مترمکعب به‌دست می‌آید. همچنین در تحلیل ترمواکونومیک مقدار هزینه بر واحد اگزرژی تمام نقاط سیستم و هزینه الکتریسیته و آب تولید شده محاسبه شد. در ادامه مقدار هزینه تراز شده الکتریسیته در نرخ‌های حرارت اتلافی مختلف مورد بررسی قرار گرفته، براساس نتایج با افزایش مقدار نرخ حرارت، هزینه تراز شده الکتریسیته کاهش می‌یابد. همچنین تاثیر تغییرات هزینه‌سرمایه‌گذاری هر سیستم و نرخ بهره واقعی بر روی هزینه آب شیرین تولید شده مورد مطالعه قرار گرفته است. | ||
| کلیدواژه‌ها | ||
| مبدل حرارتی جذبی؛ چرخه رانکین آلی؛ آب‌شیرین‌کن اسمز معکوس | ||
| عنوان مقاله [English] | ||
| Thermodynamic and Thermo-Economic Analysis of the Absorption Heat Transformer, Organic Rankine Cycle, and Reverse Osmosis Desalination Combined System | ||
| نویسندگان [English] | ||
| Arash Aramesh1؛ ٍEbrahim Jahanshahi Javaran2؛ Mehran Ameri3؛ Ighball Baniasad Askari4 | ||
| 1Renewable Energies & Energy Conversion Department, Institute of Science & High Technology & Environmental Sciences, Kerman Graduate University of Advanced Technology, Kerman, Iran | ||
| 2Renewable Energies & Energy Conversion Department, Institute of Science & High Technology & Environmental Sciences, Kerman Graduate University of Advanced Technology, Kerman, Iran | ||
| 3Department of Mechanical Engineering, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran | ||
| 4Department of Mechanical Engineering, Faculty of Engineering, University of Zabol, Sistan & Baluchestan, Iran | ||
| چکیده [English] | ||
| In this study, the thermodynamic and thermo-economic analysis of an absorption heat transformer, organic Rankine cycle and reverse osmosis desalination combined system was performed aiming at generation the electricity and fresh water from low-temperature heat sources. All analyses are based on the thermodynamic and thermo-economic laws. The results have shown that the absorption heat transformer with the coefficient of performance of 0.4372 produces 494.7 kW of thermal energy at a temperature of 105°C in the absorber. By applying the absorption heat transformer produced thermal energy, it is possible to produce 63.18 kW of electricity in the organic Rankine cycle. By using this amount of electricity in the reverse osmosis system, 216.2m3/day of freshwater is produced at the cost of 2.217$/m3. Also, in thermo-economic analysis, the unit cost of the exergy for all points of the system and the unit cost of the electricity and fresh water were calculated. The levelized cost of electricity at different heat rates was determined and it was shown that the levelized cost of electricity is reduced when the heat rate is increased. Also, the effects of the capital cost of each system and real interest rate changes on the unit cost of the fresh water were studied. | ||
| کلیدواژه‌ها [English] | ||
| Absorption heat transformer, Rankine cycle, Reverse osmosis, Thermoeconomic analysis | ||
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| مراجع | ||
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