کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7160144 | 1462840 | 2016 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Thermodynamic analysis of a Rankine dual loop waste thermal energy recovery system
ترجمه فارسی عنوان
تجزیه و تحلیل ترمودینامیکی سیستم بازیابی انرژی حرارتی دوگانه رابینین دوگانه
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کلمات کلیدی
چرخه های پایین چرخه رنکین ارگانیک، شبیه سازی فرآیند، تجزیه و تحلیل ترمودینامیکی، بازیافت انرژی حرارتی،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی (عمومی)
چکیده انگلیسی
This paper presents the comparison between a single loop and a dual loop waste energy recovery system specifically designed as a bottomer to marine engines of different power range. The particular application considered shows several advantages for the installation of a waste energy recovery system; in particular, the basically infinite availability of the cooling medium represented by the seawater substantially facilitates the condenser design. R 245fa and R600 have been implemented in the second recovery loop and their performance has been addressed. The paper shows how adding a second recovery loop based on organic Rankine cycle to the steam Rankine cycle loop improves the system performance both in terms of recovered electric power (up to 8.11% and 2.67% respectively in small and large application size) and heat source utilization rate, since the heat source temperature could reach values as low as 343.15Â K when considering a sulfur free fuel. In addition, R 245fa is to be preferred over the R 600 since it allows for the production of the same power considering lower values for the cycle top pressures.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Energy Conversion and Management - Volume 122, 15 August 2016, Pages 109-118
Journal: Energy Conversion and Management - Volume 122, 15 August 2016, Pages 109-118
نویسندگان
Enrico Sciubba, Lorenzo Tocci, Claudia Toro,