A 9-m-Aperture Solar Parabolic Trough Concentrator Based on a Multilayer Polymer Mirror Membrane Mounted on a Concrete Structure
A large-span solar parabolic trough concentrator is designed based on a multilayer polymer mirror membrane mounted on a rotatable concrete structure. The multilayer membrane is contained in a transparent protective air tube and generates a multicircular profile that approaches the trough parabolic s...
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| Veröffentlicht in: | Journal of solar energy engineering 2011-08, Vol.133 (3) |
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| container_title | Journal of solar energy engineering |
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| creator | Bader, Roman Pedretti, Andrea Steinfeld, Aldo |
| description | A large-span solar parabolic trough concentrator is designed based on a multilayer polymer mirror membrane mounted on a rotatable concrete structure. The multilayer membrane is contained in a transparent protective air tube and generates a multicircular profile that approaches the trough parabolic shape. An analytical model of the mechanical behavior of the membrane mirror construction coupled to a Monte Carlo ray-tracing simulation is formulated and applied for design and optimization and for elucidating the influence of manufacturing and operational parameter variations on the radiative flux distribution. It is found that the parabolic shape can be well approximated with four stacked membranes that generate an arc-spline of four tangentially adjacent circular arcs. A 45-m-long 9-m-aperture full-scale prototype concentrator was fabricated and experimentation was carried out to validate the simulation model. Highest measured peak solar radiative flux concentration was 18.9, corresponding to 39% of the theoretical maximum value for an ideal parabolic trough concentrator. |
| doi_str_mv | 10.1115/1.4004353 |
| format | Article |
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Highest measured peak solar radiative flux concentration was 18.9, corresponding to 39% of the theoretical maximum value for an ideal parabolic trough concentrator.</description><subject>Approximation</subject><subject>Computer simulation</subject><subject>Concentrators</subject><subject>Concrete structures</subject><subject>Flux</subject><subject>Membranes</subject><subject>Monte Carlo methods</subject><subject>Multilayers</subject><issn>0199-6231</issn><issn>1528-8986</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kTFv2zAQhYmgBeI6GTJ34dZ2UMITRZkaXaNJCthogDgzcaSpVoYkukdq8JafHhpO104PuPvu3h0eYzcgbgFA3cFtJUQllbxgM1ClLnSj6w9sJqBpirqUcMk-xbgXAqRU5Yy9LnlTDMXy4ClN5Plz6JH4ExLa0HeObylMv__wVRidHxNhCsS_Y_Q7HkaOfDP1qevx6PNM6I9D1k1HlKGNHyzh6PkmTGP6x5_2kE_ZJ9HkTo5X7GOLffTX7zpnL_c_tqvHYv3r4edquS5QQpUKdNAuLNZa29Y7qGTV7kolAHWu7lDBwkKZ-9ZppaxVzkIeWbTY1lLX2sk5-3Lee6Dwd_IxmaGLzvd9vjFM0TRQNtBooTL59b8k1AuQjapFmdFvZ9RRiJF8aw7UDUhHA8Kc8jBg3vPI7Oczi3HwZh8mGvO_plKnVOQbyj6HEw</recordid><startdate>20110801</startdate><enddate>20110801</enddate><creator>Bader, Roman</creator><creator>Pedretti, Andrea</creator><creator>Steinfeld, Aldo</creator><general>ASME</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>L7M</scope><scope>7TG</scope><scope>KL.</scope></search><sort><creationdate>20110801</creationdate><title>A 9-m-Aperture Solar Parabolic Trough Concentrator Based on a Multilayer Polymer Mirror Membrane Mounted on a Concrete Structure</title><author>Bader, Roman ; Pedretti, Andrea ; Steinfeld, Aldo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a314t-ac1f7ba688bfec1434fd2501a87bada517b12ba6bc855bb5cb1ac17faf63868c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Approximation</topic><topic>Computer simulation</topic><topic>Concentrators</topic><topic>Concrete structures</topic><topic>Flux</topic><topic>Membranes</topic><topic>Monte Carlo methods</topic><topic>Multilayers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bader, Roman</creatorcontrib><creatorcontrib>Pedretti, Andrea</creatorcontrib><creatorcontrib>Steinfeld, Aldo</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Journal of solar energy engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bader, Roman</au><au>Pedretti, Andrea</au><au>Steinfeld, Aldo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A 9-m-Aperture Solar Parabolic Trough Concentrator Based on a Multilayer Polymer Mirror Membrane Mounted on a Concrete Structure</atitle><jtitle>Journal of solar energy engineering</jtitle><stitle>J. Sol. Energy Eng</stitle><date>2011-08-01</date><risdate>2011</risdate><volume>133</volume><issue>3</issue><issn>0199-6231</issn><eissn>1528-8986</eissn><abstract>A large-span solar parabolic trough concentrator is designed based on a multilayer polymer mirror membrane mounted on a rotatable concrete structure. The multilayer membrane is contained in a transparent protective air tube and generates a multicircular profile that approaches the trough parabolic shape. An analytical model of the mechanical behavior of the membrane mirror construction coupled to a Monte Carlo ray-tracing simulation is formulated and applied for design and optimization and for elucidating the influence of manufacturing and operational parameter variations on the radiative flux distribution. It is found that the parabolic shape can be well approximated with four stacked membranes that generate an arc-spline of four tangentially adjacent circular arcs. A 45-m-long 9-m-aperture full-scale prototype concentrator was fabricated and experimentation was carried out to validate the simulation model. Highest measured peak solar radiative flux concentration was 18.9, corresponding to 39% of the theoretical maximum value for an ideal parabolic trough concentrator.</abstract><pub>ASME</pub><doi>10.1115/1.4004353</doi></addata></record> |
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| ispartof | Journal of solar energy engineering, 2011-08, Vol.133 (3) |
| issn | 0199-6231 1528-8986 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_912919805 |
| source | ASME Transactions Journals (Current) |
| subjects | Approximation Computer simulation Concentrators Concrete structures Flux Membranes Monte Carlo methods Multilayers |
| title | A 9-m-Aperture Solar Parabolic Trough Concentrator Based on a Multilayer Polymer Mirror Membrane Mounted on a Concrete Structure |
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