Experimental study of a micro-scale solar organic Rankine cycle system based on compound cylindrical Fresnel lens solar concentrator
In the present study, a micro-scale solar organic Rankine cycle power generation system was developed. The system comprises of a solar collection system based on compound cylindrical Fresnel lens concentrator and an organic Rankine cycle power generation system integrated with a scroll expander. YD3...
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Veröffentlicht in: | Science China. Technological sciences 2019-12, Vol.62 (12), p.2184-2194 |
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creator | Meng, Jia Song, PanPan Wei, MingShan Tian, GuoHong Zhao, Meng Zheng, HongFei Hu, GuangDa |
description | In the present study, a micro-scale solar organic Rankine cycle power generation system was developed. The system comprises of a solar collection system based on compound cylindrical Fresnel lens concentrator and an organic Rankine cycle power generation system integrated with a scroll expander. YD320 and R245fa were used as the heat transfer fluid and the working fluid, respectively. The effects of the evaporation pressure, the degree of superheat, and the mass flow rate of the working fluid were analyzed to evaluate the solar collection efficiency, the electric power output, the thermal efficiency and exergy efficiency of the system. The results illustrate that both the increasing evaporation pressure and decreasing superheat degree have positive impacts on solar collection efficiency. The electric power increases as the evaporation pressure increases, while the thermal efficiency and the exergy efficiency decrease. However, the system overall efficiency decreases slowly due to the increase of solar collection efficiency. The electric power increases with the increment of the working fluid mass flow rate. The increasing mass flow rate has no visible impact on the thermal and exergy efficiencies of organic Rankine cycle subsystem, whereas a slightly increase of the thermal and exergy efficiencies of the integrated system. The electric power decreases with the increase of the superheat degree, whereas the thermal and the exergy efficiencies of the system increase. The system works more suitably with a higher degree of superheat for the small mass flow rate condition. |
doi_str_mv | 10.1007/s11431-019-9562-4 |
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The system comprises of a solar collection system based on compound cylindrical Fresnel lens concentrator and an organic Rankine cycle power generation system integrated with a scroll expander. YD320 and R245fa were used as the heat transfer fluid and the working fluid, respectively. The effects of the evaporation pressure, the degree of superheat, and the mass flow rate of the working fluid were analyzed to evaluate the solar collection efficiency, the electric power output, the thermal efficiency and exergy efficiency of the system. The results illustrate that both the increasing evaporation pressure and decreasing superheat degree have positive impacts on solar collection efficiency. The electric power increases as the evaporation pressure increases, while the thermal efficiency and the exergy efficiency decrease. However, the system overall efficiency decreases slowly due to the increase of solar collection efficiency. The electric power increases with the increment of the working fluid mass flow rate. The increasing mass flow rate has no visible impact on the thermal and exergy efficiencies of organic Rankine cycle subsystem, whereas a slightly increase of the thermal and exergy efficiencies of the integrated system. The electric power decreases with the increase of the superheat degree, whereas the thermal and the exergy efficiencies of the system increase. The system works more suitably with a higher degree of superheat for the small mass flow rate condition.</description><identifier>ISSN: 1674-7321</identifier><identifier>EISSN: 1869-1900</identifier><identifier>DOI: 10.1007/s11431-019-9562-4</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Collection ; Concentrators ; Efficiency ; Electric power ; Engineering ; Evaporation rate ; Exergy ; Flow control ; Mass flow rate ; Power efficiency ; Pressure effects ; Rankine cycle ; Subsystems ; Thermodynamic efficiency ; Working fluids</subject><ispartof>Science China. Technological sciences, 2019-12, Vol.62 (12), p.2184-2194</ispartof><rights>Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019</rights><rights>2019© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-882c183ce6e684c8768765430aba11ed3358df7e0de12a5c8e85716bf7e742263</citedby><cites>FETCH-LOGICAL-c316t-882c183ce6e684c8768765430aba11ed3358df7e0de12a5c8e85716bf7e742263</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11431-019-9562-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11431-019-9562-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Meng, Jia</creatorcontrib><creatorcontrib>Song, PanPan</creatorcontrib><creatorcontrib>Wei, MingShan</creatorcontrib><creatorcontrib>Tian, GuoHong</creatorcontrib><creatorcontrib>Zhao, Meng</creatorcontrib><creatorcontrib>Zheng, HongFei</creatorcontrib><creatorcontrib>Hu, GuangDa</creatorcontrib><title>Experimental study of a micro-scale solar organic Rankine cycle system based on compound cylindrical Fresnel lens solar concentrator</title><title>Science China. Technological sciences</title><addtitle>Sci. China Technol. Sci</addtitle><description>In the present study, a micro-scale solar organic Rankine cycle power generation system was developed. The system comprises of a solar collection system based on compound cylindrical Fresnel lens concentrator and an organic Rankine cycle power generation system integrated with a scroll expander. YD320 and R245fa were used as the heat transfer fluid and the working fluid, respectively. The effects of the evaporation pressure, the degree of superheat, and the mass flow rate of the working fluid were analyzed to evaluate the solar collection efficiency, the electric power output, the thermal efficiency and exergy efficiency of the system. The results illustrate that both the increasing evaporation pressure and decreasing superheat degree have positive impacts on solar collection efficiency. The electric power increases as the evaporation pressure increases, while the thermal efficiency and the exergy efficiency decrease. However, the system overall efficiency decreases slowly due to the increase of solar collection efficiency. The electric power increases with the increment of the working fluid mass flow rate. The increasing mass flow rate has no visible impact on the thermal and exergy efficiencies of organic Rankine cycle subsystem, whereas a slightly increase of the thermal and exergy efficiencies of the integrated system. The electric power decreases with the increase of the superheat degree, whereas the thermal and the exergy efficiencies of the system increase. The system works more suitably with a higher degree of superheat for the small mass flow rate condition.</description><subject>Collection</subject><subject>Concentrators</subject><subject>Efficiency</subject><subject>Electric power</subject><subject>Engineering</subject><subject>Evaporation rate</subject><subject>Exergy</subject><subject>Flow control</subject><subject>Mass flow rate</subject><subject>Power efficiency</subject><subject>Pressure effects</subject><subject>Rankine cycle</subject><subject>Subsystems</subject><subject>Thermodynamic efficiency</subject><subject>Working fluids</subject><issn>1674-7321</issn><issn>1869-1900</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kEFLAzEQhRdRsNT-AG8Bz9FMkk2yRymtCgVB9BzS7LRs3SY12YK9-8NNacGTQ2CGzHtv4KuqW2D3wJh-yABSAGXQ0KZWnMqLagRGNRQaxi7LrLSkWnC4riY5b1gpYRoGclT9zL53mLothsH1JA_79kDiijiy7XyKNHvXI8mxd4nEtHah8-TNhc8uIPEHf9wd8oBbsnQZWxID8XG7i_vQlnXfhTZ1JYHME-aAPekx5HOaj8GXo8kNMd1UVyvXZ5yc-7j6mM_ep8908fr0Mn1cUC9ADdQY7sEIjwqVkd5oVV4tBXNLB4CtELVpVxpZi8Bd7Q2aWoNali8tOVdiXN2dcncpfu0xD3YT9ymUk5YLKbhuQMuigpOqAMg54cruCiCXDhaYPfK2J9628LZH3vbo4SdPLtqwxvSX_L_pF5bshIM</recordid><startdate>20191201</startdate><enddate>20191201</enddate><creator>Meng, Jia</creator><creator>Song, PanPan</creator><creator>Wei, MingShan</creator><creator>Tian, GuoHong</creator><creator>Zhao, Meng</creator><creator>Zheng, HongFei</creator><creator>Hu, GuangDa</creator><general>Science China Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20191201</creationdate><title>Experimental study of a micro-scale solar organic Rankine cycle system based on compound cylindrical Fresnel lens solar concentrator</title><author>Meng, Jia ; Song, PanPan ; Wei, MingShan ; Tian, GuoHong ; Zhao, Meng ; Zheng, HongFei ; Hu, GuangDa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-882c183ce6e684c8768765430aba11ed3358df7e0de12a5c8e85716bf7e742263</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Collection</topic><topic>Concentrators</topic><topic>Efficiency</topic><topic>Electric power</topic><topic>Engineering</topic><topic>Evaporation rate</topic><topic>Exergy</topic><topic>Flow control</topic><topic>Mass flow rate</topic><topic>Power efficiency</topic><topic>Pressure effects</topic><topic>Rankine cycle</topic><topic>Subsystems</topic><topic>Thermodynamic efficiency</topic><topic>Working fluids</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Meng, Jia</creatorcontrib><creatorcontrib>Song, PanPan</creatorcontrib><creatorcontrib>Wei, MingShan</creatorcontrib><creatorcontrib>Tian, GuoHong</creatorcontrib><creatorcontrib>Zhao, Meng</creatorcontrib><creatorcontrib>Zheng, HongFei</creatorcontrib><creatorcontrib>Hu, GuangDa</creatorcontrib><collection>CrossRef</collection><jtitle>Science China. Technological sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Meng, Jia</au><au>Song, PanPan</au><au>Wei, MingShan</au><au>Tian, GuoHong</au><au>Zhao, Meng</au><au>Zheng, HongFei</au><au>Hu, GuangDa</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental study of a micro-scale solar organic Rankine cycle system based on compound cylindrical Fresnel lens solar concentrator</atitle><jtitle>Science China. Technological sciences</jtitle><stitle>Sci. China Technol. Sci</stitle><date>2019-12-01</date><risdate>2019</risdate><volume>62</volume><issue>12</issue><spage>2184</spage><epage>2194</epage><pages>2184-2194</pages><issn>1674-7321</issn><eissn>1869-1900</eissn><abstract>In the present study, a micro-scale solar organic Rankine cycle power generation system was developed. The system comprises of a solar collection system based on compound cylindrical Fresnel lens concentrator and an organic Rankine cycle power generation system integrated with a scroll expander. YD320 and R245fa were used as the heat transfer fluid and the working fluid, respectively. The effects of the evaporation pressure, the degree of superheat, and the mass flow rate of the working fluid were analyzed to evaluate the solar collection efficiency, the electric power output, the thermal efficiency and exergy efficiency of the system. The results illustrate that both the increasing evaporation pressure and decreasing superheat degree have positive impacts on solar collection efficiency. The electric power increases as the evaporation pressure increases, while the thermal efficiency and the exergy efficiency decrease. However, the system overall efficiency decreases slowly due to the increase of solar collection efficiency. The electric power increases with the increment of the working fluid mass flow rate. The increasing mass flow rate has no visible impact on the thermal and exergy efficiencies of organic Rankine cycle subsystem, whereas a slightly increase of the thermal and exergy efficiencies of the integrated system. The electric power decreases with the increase of the superheat degree, whereas the thermal and the exergy efficiencies of the system increase. The system works more suitably with a higher degree of superheat for the small mass flow rate condition.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s11431-019-9562-4</doi><tpages>11</tpages></addata></record> |
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subjects | Collection Concentrators Efficiency Electric power Engineering Evaporation rate Exergy Flow control Mass flow rate Power efficiency Pressure effects Rankine cycle Subsystems Thermodynamic efficiency Working fluids |
title | Experimental study of a micro-scale solar organic Rankine cycle system based on compound cylindrical Fresnel lens solar concentrator |
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