Working, Modeling and Applications of Molten Salt TES Systems

Qaisrani, Mumtaz A.; Ahmed, Naveed; Wang, Qiuwang

doi:10.1007/978-3-030-90720-4_11

Cited by 3 publications

(3 citation statements)

References 67 publications

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“…Solar tower technology uses pipes that transport fluid containing molten salt from the top of the tower down to the turbine, generating power. Molten salt is an inexpensive material to use in large quantities, and it can store a significant amount of heat that can be preserved in thermal tanks for reuse during the night (Debnath et al, 2018;Qaisrani et al, 2022;Saldivia and Taylor, 2023). The invention of these salt-based thermal tanks was a response to the problem of power plants shutting down when the Sun was not shining.…”

Section: Introductionmentioning

confidence: 99%

Self-adaptive heat extraction controller for solar thermal tower operational with molten salt tanks

Ahmed,

Guanghua,

Akram

et al. 2023

Front. Energy Res.

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Molten salts are commonly used in solar thermal power plants to store heat when sunlight is unavailable. However, solidifying the salts can lead to operational interruptions and prevent an optimal energy output. A self-adaptive heat extraction method has been proposed to regulate salt pipeline temperatures, enabling continuous operations that mitigate unplanned shut-downs. Such a method focuses on maintaining operational temperatures and preventing interferences caused by the freezing of the salts. The proposed Self-Adaptive Heat Extraction Controller (SAHEC) relies on fuzzy logic integrated into MATLAB Simulink to ensure optimal heat extraction control utilizing four distinct temperature variables. Modeling this approach through a created MATLAB-based simulation reveals that SAHEC offers an undeniable improvement over standard conventional methods for manipulating temperatures.

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Section: Introductionmentioning

confidence: 99%

Self-adaptive heat extraction controller for solar thermal tower operational with molten salt tanks

Ahmed,

Guanghua,

Akram

et al. 2023

Front. Energy Res.

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“…Turkey [18] and Eastern Asia [19], including China [20,21], reviewing the factors affecting the wind power industry in China, have used this tool widely. Research on thermal energy systems for CSPs is gaining particular attention [22]. Researchers recently studied the technical and economic aspects of CSP and PV, including a reduction in capital cost of CSP by using the latest developed equipment and different working fluids in India.…”

Section: Introductionmentioning

confidence: 99%

Potential Assessment and Economic Analysis of Concentrated Solar Power against Solar Photovoltaic Technology

Orangzeb,

Qaisrani,

Shafiq

et al. 2023

International Journal of Energy Research

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Competition between concentrated solar power and solar photovoltaic has been the subject of frequent debate in recent years based on their cost of fabrication, efficiency, storage, levelized cost of energy, reliability, and complexity of respective technologies. Taking Pakistan as a testbed, a study was conducted to determine which technology is economical in a particular location and climate. The study assesses the meteorological, orographic, and spatial factors that impact the performance and cost of both renewable energy systems. A SWOT analysis, followed by technoeconomic analyses, was conducted to determine suitable sites for setting up solar power plants in Pakistan. A detailed assessment of siting factors for solar power plants was conducted to shortlist the most suitable sites. Based on the results, economic analysis was performed to install 100 MW photovoltaic and parabolic trough power plants at selected locations. The levelized cost of energy for the 100 MW parabolic trough is 10.8 cents/kWh and 12 cents/kWh in best-case scenarios, i.e., for locations of Toba and Quetta, respectively, whereas the LCOEs of 100 MW photovoltaic systems stand comparatively low at 7.36 cents/kWh, 7.21 cents/kWh, 7.01 cents/kWh, 6.82 cents/kWh, 6.02 cents/kWh, and 5.95 cents/kWh in Multan, Bahawalpur, Rahim Yar Khan, Hyderabad, Quetta, and Toba, respectively. The results favor choosing solar PV plants over solar CSP plants in terms of finances in the selected regions. The findings will assist financiers and policymakers in creating better policies in terms of long-term goals.

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“…It can be observed from the observed literature survey that researchers mostly focused on cavity receivers. However, with rapid growth in CSP technology [40] and due to their easy integration with thermal energy systems all the large-scale plants have employed external receivers [41] but only a few researchers have focused on external receivers. Whereas, the experimental work on external receivers is even scarce.…”

Section: Introductionmentioning

confidence: 99%

Experiment and Numerical Analysis of Thermal Performance of a Billboard External Receiver

Fang

Qaisrani

et al. 2022

Energies

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The receiver serves as a critical component in tower-type concentrated solar power plants. Responsible for light-heat conversion, the efficiency of the receiver significantly affects the overall performance of the power plant. In the current study, the thermal performance of external receivers was investigated. An experiment was set up similarly using the solar simulator to experimentally investigate the heat losses of a billboard receiver. A billboard-type external receiver was designed, fabricated, and experimented with. A solar simulator having seven xenon lamps characteristics similar to the sunlight spectrum was used to obtain heat flux at the surface of the receiver. Convection losses in the head-on wind direction were evaluated, along with the radiation losses. The thermal efficiency of the billboard receiver calculated experimentally was around 83.9%. Numerical simulations were also carried out to compare the results against the experimental data. A variation of ±5% observed between both results validate the model proposed in the current study.

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Working, Modeling and Applications of Molten Salt TES Systems

Cited by 3 publications

References 67 publications

Self-adaptive heat extraction controller for solar thermal tower operational with molten salt tanks

Self-adaptive heat extraction controller for solar thermal tower operational with molten salt tanks

Potential Assessment and Economic Analysis of Concentrated Solar Power against Solar Photovoltaic Technology

Experiment and Numerical Analysis of Thermal Performance of a Billboard External Receiver

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