Thermal design guidelines of solar power towers

Rodríguez-Sánchez, M.R.; Soria-Verdugo, Antonio; Almendros-Ibáñez, J.A.; Acosta-Iborra, A.

doi:10.1016/j.applthermaleng.2013.11.014

Cited by 161 publications

(104 citation statements)

References 27 publications

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“…Generally, thermal storage has three technologies which are sensible heat, latent heat and thermo-chemical storage. Latent heat is stored in PCM and thermo-chemical energy is stored in dissociation reaction [27]. Molten salts are phase change material at higher temperature ranges 150-700°C and the only matured thermal energy storage technology in CSP power plants [28].…”

Section: Thermal Storagementioning

confidence: 99%

Concentrated solar power technology in India: A review

Bijarniya

Sudhakar

Baredar

2016

Renewable and Sustainable Energy Reviews

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Section: Thermal Storagementioning

confidence: 99%

Concentrated solar power technology in India: A review

Bijarniya

Sudhakar

Baredar

2016

Renewable and Sustainable Energy Reviews

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“…

σ_{t h, max} = \frac{Δ T_{r} α E}{2 false(1 - ξ false) ln (\frac{d_{o}}{d_{i}})} (1 - \frac{2 d_{i}^{2}}{d_{0}^{2} - d_{i}^{2}}) ln (\frac{d_{o}}{d_{i}}) \frac{α E}{2 false(1 - ξ false) k_{t}} q_{t, j^{th}}

The losses in the central receiver due to the radiation and convection depend upon shape, temperature of receiver, wind velocity, and direction of the wind. Mostly, radiation losses are the major loss, except the case when the temperature is low and the wind velocity is high . The input from concentrated radiation varies with weather condition and it turns out that excess radiation received in summer, needs to be diverted to the other tower, which can also be utilized by other solar thermal application, thereby reducing the load on power grid …”

Section: Solar Thermal Power Generation Systems With Various Solar Comentioning

confidence: 99%

“…Mostly, radiation losses are the major loss, except the case when the temperature is low and the wind velocity is high. 85 The input from concentrated radiation varies with weather condition and it turns out that excess radiation received in summer, needs to be diverted to the other tower, which can also be utilized by other solar thermal application, thereby reducing the load on power grid. 86…”

Section: Central Receiver Towermentioning

confidence: 99%

Solar power technology for electricity generation: A critical review

Ahmadi

Ghazvini

Sadeghzadeh

et al. 2018

Energy Science & Engineering

316

111

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Negative environmental impact of fossil fuel consumption highlight the role of renewable energy sources and give them a unique opportunity to grow and improve. Among renewable energy sources solar energy attract more attention and many studies have focused on using solar energy for electricity generation. Here, in this study, solar energy technologies are reviewed to find out the best option for electricity generation. Using solar energy to generate electricity can be done either directly and indirectly. In the direct method, PV modules are utilized to convert solar irradiation into electricity. In the indirect method, thermal energy is harnessed employing concentrated solar power (CSP) plants such as Linear Fresnel collectors and parabolic trough collectors. In this paper, solar thermal technologies including soar trough collectors, linear Fresnel collectors, central tower systems, and solar parabolic dishes are comprehensively reviewed and barriers and opportunities are discussed. In addition, a comparison is made between solar thermal power plants and PV power generation plants. Based on published studies, PV‐based systems are more suitable for small‐scale power generation. They are also capable of generating more electricity in a specific area in comparison with CSP‐based systems. However, based on economic considerations, CSP plants are better in economic return.

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“… High solar heat fluxes: molten salt systems are limited to a heat flux density of approximately 1 MW th m −2 to avoid film temperatures that are too high . Liquid metals enable flux densities up to 10 MW th m −2 .…”

Section: Liquid Metals In Concentrating Solar Powermentioning

confidence: 99%

“…In view of these indicators,the potential advantages of systems based on liquid sodiumr eceiver technology can be identified as follows: 1) High solar heat fluxes:m olten salt systems are limited to ah eat flux density of approximately 1MW th m À2 to avoid film temperatures that are too high. [12] Liquid metals enable flux densities up to 10 MW th m À2 .T his allows the use of considerably smaller receiver areas,w hich are additionally associated with lower overall thermal losses (even though the receiver temperature is higher) and, thus,i nasignificant increase in the efficiency of the receiver. Furthermore,n oh eliostat aim point strategy is required, which thus reduces the receiverinterceptlosses 2) High receivert emperature:o wing to thermodynamic stability,m olten( nitrate) salts allow for am aximum operating temperature of 565 8C.…”

Section: Liquid Metals In Concentrating Solar Powermentioning

confidence: 99%

Liquid Metals as Efficient High‐Temperature Heat‐Transport Fluids

et al. 2017

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Liquid metals appear to be attractive heat‐transport fluids, in particular if looking at their high thermal conductivities and low viscosities. Despite some pioneering technical applications in the past, complex handling, special requirements, safety concerns, and structural degradation of the materials have prevented their widespread application. However, progress in research and development on liquid‐metal science and technology has advanced considerably in the last decade, and this has opened the gate to their broader use in the short term. This requires a more differentiated view on liquid metals, particularly on the specific properties of individual fluids within the context of specific applications. By doing so, many commonly mentioned prejudices vanish or are of minor significance. At the Karlsruhe Institute of Technology, a comprehensive research program on liquid‐metal technology has been pursued for more than 50 years, and some of the advances in different applications will be outlined in this article.

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Thermal design guidelines of solar power towers

Cited by 161 publications

References 27 publications

Concentrated solar power technology in India: A review

Concentrated solar power technology in India: A review

Solar power technology for electricity generation: A critical review

Liquid Metals as Efficient High‐Temperature Heat‐Transport Fluids

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