History of the solar ponds: A review study

El-Sebaii, A.A.; Ramadan, M.R.I.; Aboul-Enein, S.; Khallaf, A.M.

doi:10.1016/j.rser.2011.04.008

Cited by 106 publications

(32 citation statements)

References 49 publications

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“…Temperatures of natural meromictic lakes inspired scientists and engineers to design artificial salinity gradient solar ponds to collect and store solar energy for desalination, electricity production, and heating of buildings [60,61]. El Paso Solar Pond, with a surface area of 3000 m 2 and depth of 3.25 m, is a representative artificial pond.…”

Section: Solar-heating Hypothesis: Solar Pond Effect?mentioning

confidence: 99%

Anomalously High Cretaceous Paleobrine Temperatures: Hothouse, Hydrothermal or Solar Heating?

Wang

Lowenstein

2017

Minerals

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Elevated surface paleobrine temperatures (average 85.6 • C) are reported here from Cretaceous marine halites in the Maha Sarakham Formation, Khorat Plateau, Thailand. Fluid inclusions in primary subaqueous "chevron" and "cumulate" halites associated with potash salts contain daughter crystals of sylvite (KCl) and carnallite (MgCl 2 ·KCl·6H 2 O). Petrographic textures demonstrate that these fluid inclusions were trapped from the warm brines in which the halite crystallized. Later cooling produced supersaturated conditions leading to the precipitation of sylvite and carnallite daughter crystals within fluid inclusions. Dissolution temperatures of daughter crystals in fluid inclusions from the same halite bed vary over a large range (57.9 • C to 117.2 • C), suggesting that halite grew at different temperatures within and at the bottom of the water column. Consistency of daughter crystal dissolution temperatures within fluid inclusion bands and the absence of vapor bubbles at room temperature demonstrate that fluid inclusions have not stretched or leaked. Daughter crystal dissolution temperatures are reproducible to within 0.1 • C to 10.2 • C (average of 1.8 • C), and thus faithfully document paleobrine conditions. Microcrystalline hematite incorporated within halite crystals also indicate high paleobrine temperatures. We conclude that halite crystallized from warm brines rich in K-Mg-Na-Cl; sylvite and carnallite daughter crystals were nucleated during cooling of the warm brines sometime after deposition. Hothouse, hydrothermal, and solar-heating hypotheses are compared to explain the anomalously high surface paleobrine temperatures. Solar radiation stored in shallow density stratified brines is the most plausible explanation for the observed paleobrine temperatures and the progressively higher temperatures downward through the paleobrine column. The solar-heating hypothesis may also explain high paleobrine temperatures documented from fluid inclusions in other ancient halites.

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Section: Solar-heating Hypothesis: Solar Pond Effect?mentioning

confidence: 99%

Anomalously High Cretaceous Paleobrine Temperatures: Hothouse, Hydrothermal or Solar Heating?

Wang

Lowenstein

2017

Minerals

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“…A salt gradient solar pond is usually a land covered by water with three different layer of salt density which receives insolation as a thermal energy [72][73][74][75]. The bottom of the pond consists salt with high concentration; the middle layer has lower concentration of salt and the top layer is fresh water.…”

Section: Solar Pondmentioning

confidence: 99%

Technological assessment of different solar-biomass systems for hybrid power generation in Europe

Hussain¹,

Norton²,

Duffy³

2017

Renewable and Sustainable Energy Reviews

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Abstract:Solar Tower thermal (ST), Parabolic Trough thermal (PT), Linear Fresnel thermal (LF) and Solar PV are discussed in the context of suitability for hybridization with biomass in Europe.Technical, economical and climate data have been compared to identify the key drivers of technology selection in setting up large scale solar-biomass hybrid power plants. The sole solar-biomass hybrid power plant is currently in operation in Spain uses PT technology due to its performance characteristics, comparatively easy installation process compared to ST and relatively higher heat and optical gain than LF. The climate condition in the EU shows that the region within average yearly direct normal irradiance (DNI) 1400 -1800 kWh/m 2 can be useful for CSP hybridization as the distribution periods of high intensity of DNI of solar energy justify integrating biomass. Of the three concentrated solar power (CSP) technologies, ST provides the best overall efficiency for combined heat and power (CHP) generation.

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“…There are several types of solar pond: salt gradient solar ponds, partitioned solar ponds, viscosity stabilized solar ponds, membrane stratified solar ponds, saturated solar ponds, membrane viscosity stabilized solar ponds, and shallow solar ponds [4].…”

Section: The Solar Pondmentioning

confidence: 99%

A solar pond for feeding a thermoelectric generator or an organic Rankine cycle system

Rocca

Scaccianoce

Peri

et al. 2017

IJHT

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The world energy demand is continuously growing, which means an increase in consumption for all modern fuels or stronger effort on the development and improvement of renewable technologies. Moreover, Developing Countries claims more energy and they have often wide unutilized or unusable lands. The solar energy represents a useful opportunity for these Countries. The Solar Pond is both a solar collector and a thermal storage for long period and is suitable to use in wide sunny areas. Solar pond technology is able to supply heat for several applications requiring low-grade thermal energy or for electrical power production. In order to produce electrical energy from solar ponds it is necessary to use systems fed by low enthalpy sources, such Thermoelectric Generator (TEG) and Organic Rankine Cycle (ORC). In this paper, a model of a Solar Pond for power generation is analyzed in conjunction with an Organic Rankine Cycle. The model has been validated using climate data of an area near to Palermo city (Italy) and exactly the Test Reference Year developed by the Authors.

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History of the solar ponds: A review study

Cited by 106 publications

References 49 publications

Anomalously High Cretaceous Paleobrine Temperatures: Hothouse, Hydrothermal or Solar Heating?

Anomalously High Cretaceous Paleobrine Temperatures: Hothouse, Hydrothermal or Solar Heating?

Technological assessment of different solar-biomass systems for hybrid power generation in Europe

A solar pond for feeding a thermoelectric generator or an organic Rankine cycle system

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