Structural Design and Analysis of the Toroidal Heliostat

Zang, Chuncheng; Wang, Zhifeng; Wang, Xiaoyu

doi:10.1115/1.4002347

Cited by 11 publications

(1 citation statement)

References 5 publications

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“…Since the 1970s, China has carried out relevant basic research on the development of solar‐thermal power generation under the different Programmes of the Ministry of Science and Technology . Key players in the CSP R&D in addition to enterprises have included several institutes of the Chinese Academy of Sciences (CAS) (Institute of Electrical Engineering, Changchun Institute of Optics, Fine Mechanics and Physics, Institute of Engineering Thermophysics), Himin solar energy group, and Southeast University , among others. Key R&D fields include the design and manufacture of condensers, design of collector field and system control, preparation of key materials, heat exchanger and energy storage systems for molten salts, high‐precision heliostat technology, high‐temperature tower absorber technology, high‐temperature thermal storage technology, manufacturing process of trough evacuated tube, etc.…”

Section: Status Of Csp Technology Development In Chinamentioning

confidence: 99%

Status and future strategies for Concentrating Solar Power in China

Wang

Yang

Jiang

et al. 2017

Energy Science & Engineering

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China is the world leader in several areas of clean energy, but not in Concentrating Solar Power (CSP). Our analysis provides an interesting viewpoint to China's possible role in helping with the market breakthrough of CSP. We present a short overview of the state-of-the-art of CSP including the status in China. A blueprint for China's CSP development is elaborated based on China's 13th 5-year program, but also on China's previous success factors in PV and wind power. The results of this study suggest that China could play a more prominent global role in CSP, but this would require stronger efforts in several areas ranging from innovation to policies. 101

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Section: Status Of Csp Technology Development In Chinamentioning

confidence: 99%

Status and future strategies for Concentrating Solar Power in China

Wang

Yang

Jiang

et al. 2017

Energy Science & Engineering

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Hierarchical NiMn Layered Double Hydroxide/Carbon Nanotubes Architecture with Superb Energy Density for Flexible Supercapacitors

Zhao

Chen

et al. 2014

Adv Funct Materials

686

346

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A hierarchical nanostructure composed of NiMn‐layered double hydroxide (NiMn‐LDH) microcrystals grafted on carbon nanotube (CNT) backbone is constructed by an in situ growth route, which exhibits superior supercapacitive performance. The resulting composite material (NiMn‐LDH/CNT) displays a three‐dimensional architecture with tunable Ni/Mn ratio, well‐defined core‐shell configuration, and enlarged surface area. An electrochemical investigation shows that the Ni3Mn1‐LDH/CNT electrode is rather active, which delivers a maximum specific capacitance of 2960 F g–1 (at 1.5 A g–1), excellent rate capability (79.5% retention at 30 A g–1), and cyclic stability. Moreover, an all‐solid‐state asymmetric supercapacitor (SC) with good flexibility is fabricated by using the NiMn‐LDH/CNT film and reduced graphene oxide (RGO)/CNT film as the positive and negative electrode, respectively, exhibiting a wide cell voltage of 1.7 V and largely enhanced energy density up to 88.3 Wh kg–1 (based on the total weight of the device). By virtue of the high‐capacity of pseudocapacitive hydroxides and desirable conductivity of carbon‐based materials, the monolithic design demonstrated in this work provides a promising approach for the development of flexible energy storage systems.

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Design and Assessment of a Linear Drive‐Controlled Tilt‐Roll Heliostat with Sun Tracking Algorithm for Small‐Scale Solar Installation

TR,

Kalpathy,

Thomas

2024

Energy Tech

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Heliostats are devices used for solar concentration that use mirrors oriented according to the position of the sun. A heliostat's main function is to redirect sunlight for use in a variety of applications, including heating, lighting, scientific research, and solar power generation. The two‐axis tracking employed in the device ensures that the reflected irradiance is aimed at a predetermined target. The design and evaluation of a tilt‐roll two‐axis tracking heliostat are presented in this article. The model consists of a mirror 0.45 m in width and 0.45 m in length installed on a pedestal of height 0.75 m. The motion of the heliostat is controlled using two separate linear drives via a sun‐tracking algorithm implemented in a microcontroller. A small‐scale tilt‐roll design with a reflective area (mirror) of 0.2025 m2 is established. This novel design eliminates the need for commercially available solar tracking systems and can be deployed in areas of limited installation space. Dual‐axis heliostat design used here provides an effective way to track the sun's movement for maximum solar energy capture by combining tilt and roll mechanisms. This design ensures tracking precision for optimal solar energy concentration making it well‐suited for experimental and smaller‐scale deployments.

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Structural Design and Analysis of the Toroidal Heliostat

Cited by 11 publications

References 5 publications

Status and future strategies for Concentrating Solar Power in China

Status and future strategies for Concentrating Solar Power in China

Hierarchical NiMn Layered Double Hydroxide/Carbon Nanotubes Architecture with Superb Energy Density for Flexible Supercapacitors

Design and Assessment of a Linear Drive‐Controlled Tilt‐Roll Heliostat with Sun Tracking Algorithm for Small‐Scale Solar Installation

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