2020
DOI: 10.1016/j.rser.2020.110331
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A survey of solar concrete shell collectors for parabolic troughs

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Cited by 13 publications
(7 citation statements)
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“…The main conclusions are: The advantages of serial production such as weather independence, precision in geometry and material, production speed, or seamless quality control can be used for any supporting structure made from concrete. The key is to segment the structure into many similar modules. The fabrication principle can be used for modularized structures as well as for a priori mass production ready (repetitive) components such as segmental linings 56 or solar thermal collectors 57 In contrast to classical prefabricated building, the individual components (modules) are smaller, much lighter, and have a hundredfold repetition. Established concepts in mechanical engineering, such as lean production and construction kit methodology, enable to ensure the required quality and geometrical accuracy. Individualized serial production is only possible with complete digitization (digital twin) of all process steps.…”
Section: Discussionmentioning
confidence: 99%
“…The main conclusions are: The advantages of serial production such as weather independence, precision in geometry and material, production speed, or seamless quality control can be used for any supporting structure made from concrete. The key is to segment the structure into many similar modules. The fabrication principle can be used for modularized structures as well as for a priori mass production ready (repetitive) components such as segmental linings 56 or solar thermal collectors 57 In contrast to classical prefabricated building, the individual components (modules) are smaller, much lighter, and have a hundredfold repetition. Established concepts in mechanical engineering, such as lean production and construction kit methodology, enable to ensure the required quality and geometrical accuracy. Individualized serial production is only possible with complete digitization (digital twin) of all process steps.…”
Section: Discussionmentioning
confidence: 99%
“…Wesentliche Schlussfolgerungen sind: Die Vorteile der seriellen Fertigung wie Wetterunabhängigkeit, Präzision in Geometrie und Material, Produktionsgeschwindigkeit oder lückenlose Qualitätskontrolle lassen sich für beliebige Betontragwerke nutzen. Der Schlüssel dazu ist eine Tragwerksteilung in viele ähnliche Module. Das Fertigungsprinzip ist für modularisierte Tragwerke genauso nutzbar wie für a priori serienfähige (repetitive) Bauteile wie Tübbings [55] oder Solarkollektoren [56]. Im Unterschied zum klassischen Fertigteilbau sind die einzelnen Bauteile (Module) kleiner, viel leichter und besitzen hundertfache Wiederholung. Etablierte Konzepte des Maschinenbaus, wie Lean Production und Baukastensysteme, ermöglichen es, die erforderliche Qualität und Maßgenauigkeiten sicherzustellen. Individualisierte Serienfertigung gelingt nur bei vollständiger Digitalisierung (Digital Twin) sämtlicher Prozessschritte.…”
Section: Schlussfolgerungenunclassified
“…In this contribution, the main idea is to replace steel structures for heliostats by means of concrete due to its low costs. For parabolic troughs, shell-like concrete structures made from high-performance concrete (HPC) have already proven to be an alternative to conventional collectors [4,5]. These shells will now be dissolved in strut-like structures for heliostats.…”
Section: Introductionmentioning
confidence: 99%