Studies on the Exergy Transfer Law for the Irreversible Process in the Waxy Crude Oil Pipeline Transportation
With the increasing demand of oil products in China, the energy consumption of pipeline operation will continue to rise greatly, as well as the cost of oil transportation. In the field of practical engineering, saving energy, reducing energy consumption and adapting to the international oil situatio...
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| Format: | Article |
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MDPI AG
2018-04-01
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| Series: | Entropy |
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| Online Access: | http://www.mdpi.com/1099-4300/20/5/309 |
| _version_ | 1811263267960520704 |
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| author | Qinglin Cheng Anbo Zheng Shuang Song Hao Wu Lili Lv Yang Liu |
| author_facet | Qinglin Cheng Anbo Zheng Shuang Song Hao Wu Lili Lv Yang Liu |
| author_sort | Qinglin Cheng |
| collection | DOAJ |
| description | With the increasing demand of oil products in China, the energy consumption of pipeline operation will continue to rise greatly, as well as the cost of oil transportation. In the field of practical engineering, saving energy, reducing energy consumption and adapting to the international oil situation are the development trends and represent difficult problems. Based on the basic principle of non-equilibrium thermodynamics, this paper derives the field equilibrium equations of non-equilibrium thermodynamic process for pipeline transportation. To seek the bilinear form of “force” and “flow” in the non-equilibrium thermodynamics of entropy generation rate, the oil pipeline exergy balance equation and the exergy transfer pipeline dynamic equation of the irreversibility were established. The exergy balance equation was applied to energy balance evaluation system, which makes the system more perfect. The exergy flow transfer law of the waxy oil pipeline were explored deeply from the directions of dynamic exergy, pressure exergy, thermal exergy and diffusion exergy. Taking an oil pipeline as an example, the influence factors of exergy transfer coefficient and exergy flow density were analyzed separately. |
| first_indexed | 2024-04-12T19:42:41Z |
| format | Article |
| id | doaj.art-155c9abd6a1c4bdab9488ec83773c30d |
| institution | Directory Open Access Journal |
| issn | 1099-4300 |
| language | English |
| last_indexed | 2024-04-12T19:42:41Z |
| publishDate | 2018-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Entropy |
| spelling | doaj.art-155c9abd6a1c4bdab9488ec83773c30d2022-12-22T03:19:02ZengMDPI AGEntropy1099-43002018-04-0120530910.3390/e20050309e20050309Studies on the Exergy Transfer Law for the Irreversible Process in the Waxy Crude Oil Pipeline TransportationQinglin Cheng0Anbo Zheng1Shuang Song2Hao Wu3Lili Lv4Yang Liu5Key Lab of Ministry of Education for Enhancing the Oil and Gas Recovery Ratio, Northeast Petroleum University, Daqing 163318, ChinaKey Lab of Ministry of Education for Enhancing the Oil and Gas Recovery Ratio, Northeast Petroleum University, Daqing 163318, ChinaKey Lab of Ministry of Education for Enhancing the Oil and Gas Recovery Ratio, Northeast Petroleum University, Daqing 163318, ChinaPetroChina Planning & Engineering Institute (CPPEI), Daqing 163318, ChinaPetroChina Planning & Engineering Institute (CPPEI), Daqing 163318, ChinaKey Lab of Ministry of Education for Enhancing the Oil and Gas Recovery Ratio, Northeast Petroleum University, Daqing 163318, ChinaWith the increasing demand of oil products in China, the energy consumption of pipeline operation will continue to rise greatly, as well as the cost of oil transportation. In the field of practical engineering, saving energy, reducing energy consumption and adapting to the international oil situation are the development trends and represent difficult problems. Based on the basic principle of non-equilibrium thermodynamics, this paper derives the field equilibrium equations of non-equilibrium thermodynamic process for pipeline transportation. To seek the bilinear form of “force” and “flow” in the non-equilibrium thermodynamics of entropy generation rate, the oil pipeline exergy balance equation and the exergy transfer pipeline dynamic equation of the irreversibility were established. The exergy balance equation was applied to energy balance evaluation system, which makes the system more perfect. The exergy flow transfer law of the waxy oil pipeline were explored deeply from the directions of dynamic exergy, pressure exergy, thermal exergy and diffusion exergy. Taking an oil pipeline as an example, the influence factors of exergy transfer coefficient and exergy flow density were analyzed separately.http://www.mdpi.com/1099-4300/20/5/309non-equilibrium thermodynamicsentropy generation rate equationentropy flowexergy transfer equationexergy flow transfer law |
| spellingShingle | Qinglin Cheng Anbo Zheng Shuang Song Hao Wu Lili Lv Yang Liu Studies on the Exergy Transfer Law for the Irreversible Process in the Waxy Crude Oil Pipeline Transportation Entropy non-equilibrium thermodynamics entropy generation rate equation entropy flow exergy transfer equation exergy flow transfer law |
| title | Studies on the Exergy Transfer Law for the Irreversible Process in the Waxy Crude Oil Pipeline Transportation |
| title_full | Studies on the Exergy Transfer Law for the Irreversible Process in the Waxy Crude Oil Pipeline Transportation |
| title_fullStr | Studies on the Exergy Transfer Law for the Irreversible Process in the Waxy Crude Oil Pipeline Transportation |
| title_full_unstemmed | Studies on the Exergy Transfer Law for the Irreversible Process in the Waxy Crude Oil Pipeline Transportation |
| title_short | Studies on the Exergy Transfer Law for the Irreversible Process in the Waxy Crude Oil Pipeline Transportation |
| title_sort | studies on the exergy transfer law for the irreversible process in the waxy crude oil pipeline transportation |
| topic | non-equilibrium thermodynamics entropy generation rate equation entropy flow exergy transfer equation exergy flow transfer law |
| url | http://www.mdpi.com/1099-4300/20/5/309 |
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