Assessment of the erosion risk of sandstorms on solar energy technology at two sites in Morocco

Wiesinger, Florian; Sutter, Florian; Wolfertstetter, Fabian; Hanrieder, Natalie; Fernández-García, Aranzazú; Pitz‐Paal, Robert; Schmücker, Martin

doi:10.1016/j.solener.2018.01.004

Cited by 33 publications

(8 citation statements)

References 51 publications

(60 reference statements)

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“…Other than the deposition of dust on the reflective surfaces, the optical losses are also caused by the erosion of the solar reflectors, mainly due to sandstorms [60][61][62]. Erosion intensity varies from site to site, as a result of the variation of particles' shapes that cause different microscopic cracks.…”

Section: Figmentioning

confidence: 99%

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Dust impact on concentrated solar power: A review

Zereg

Gama

Aksas³

et al. 2021

Environmental Engineering Research

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Many sites with high solar radiation face high dust loads that reduce energy generation by concentrated solar power plants. This review presents the attenuative impacts of atmospheric aerosols, as well as reflectivity losses due to soiling of solar reflectors, by covering both experimental investigations and numerical studies; along with presenting the theoretical background. The chemical nature of aerosols, and the physics of soiling and atmospheric extinction phenomena (scattering and absorption) are also reviewed. Suspended particles like aerosols result in atmospheric extinction of the solar radiation that reaches the concentrators, and the deposition of these particles on the solar reflectors provokes decreases up to 80% in their reflectivity, and thus enhances the cumulus of optical losses and the reduction of energy production. Even though dust affects both CSP and photovoltaics, CSP technologies suffer more losses. The impact of dust should be particularly considered during the planning phase of solar thermal plants, since its consequent reduction in energy output can be severe. While there have been multiple papers to review dust-related problems for PV, the present paper is the first literature review dedicated to the impact of soiling on concentrated solar power.

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Section: Figmentioning

confidence: 99%

“…An erosion potential risk matrix is proposed and validated in 5 sites, the matrix has 6 meteorological and geological parameters as inputs. Likewise, Wiesinger et al[60] studied the erosion risk of reflectors in Morocco and Kuwait. The maximum loss of the specular reflectance of mirrors was in Kuwait: 42.5% in just 9 months…”

mentioning

confidence: 99%

Dust impact on concentrated solar power: A review

Zereg

Gama

Aksas³

et al. 2021

Environmental Engineering Research

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“…Morocco is the country of the MENA region that has attracted much attention over the past few years. For example, Wiesinger et al (2018) evaluated a very important technical risk which is the erosion effect on the glass due to airborne sand and dust in two sites in Morocco.…”

Section: Barriers To Csp Expansionmentioning

confidence: 99%

Risk management and policy implications for concentrating solar power technology investments in Tunisia

Omri

Chtourou

Bazin

2019

Journal of Environmental Management

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Concentrating solar power (CSP) is a promising technology in Tunisia. However, its diffusion is facing many barriers which deter investments. Through the analysis of a CSP plant in Southern Tunisia by using the Global Risk Analysis (GRA) method, we try to analyze the main risks faced by investors. The main objective of this research is to identify and analyze the risks faced by CSP investors in Tunisia and develop strategies that should be adopted to accelerate the process of diffusion of this technology. This analysis allows us to conclude that the CSP project is very exposed to political, financial, physical-chemical, legal, and strategic hazards. Moreover, we show that among the four phases of the project, the preparation phase is the most vulnerable to hazards.In fact, the GRA method makes it possible to determine the list of the major risks, such as the risk of not obtaining permission to build a CSP plant, the risk of non compliance with the deadline, the risk of failure to achieve the expected performance, the risk of insufficient access to capital, and the risk of conflicts with local residents.In order to de-risk CSP technology in Tunisia, we propose some strategies, such as strengthening the public-private partnerships, using participatory approaches, creating local employment, etc.

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“…Glass erosion may have strong impact on the losses caused by scattering. Annual losses in specular reflectance due to glass erosion of up to 0.004 and 0.027 have been reported for the Moroccan exposure sites Missour and Zagora respectively, where samples were exposed at 1.2 m height in desert environment without wind fence protection [4]. Accelerated aging testing uses intensified conditions of humidity, radiation, temperature, etc.…”

Section: Introductionmentioning

confidence: 99%