کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8078170 | 1521478 | 2014 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Implementation of PDORC (parallel double-evaporator organic Rankine cycle) to enhance power output in oilfield
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The traditional ORC (organic Rankine cycle) based geoplant results in a higher irreversible loss. The PDORC (parallel double-evaporator organic Rankine cycle) was put forward to decrease the system irreversibility and enhance the power output. The TEIC (thermal efficiency intensification coefficient) was selected as the objective function. The PDORC was compared with the ORC through the energetic and exergetic analyses, with isopentane as the working fluid. The data of a practical geoplant was adopted to ensure the accuracy of the numerical calculations. The results show that the PDORC lowers the total irreversible loss, especially for the irreversibility caused by the evaporator, thereby enhancing the net power output. The TEIC relies on GWIT (geothermal water inlet temperature) and IGWT (intermediate geothermal water temperature), ranging from 8.11 to 15.84% for the GWIT between 80 and 150 °C. The optimal NPOI (net power output intensification) increases with the GWIT. The IGWT is a prerequisite, and there exists an optimal IGWT for each working condition. Moreover, the IGWT is function of the GWIT and CWIT (cooling water inlet temperature).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Energy - Volume 68, 15 April 2014, Pages 680-687
Journal: Energy - Volume 68, 15 April 2014, Pages 680-687
نویسندگان
Tailu Li, Jialing Zhu, Kaiyong Hu, Zhenhua Kang, Wei Zhang,