Improved thermo-economic performance of solar desalination via copper chips, nanofluid, and nano-based phase change material

Kandeal, A.W.; El‐Shafai, Nagi M.; Abdo, Mohamed Ragab; Thakur, Amrit Kumar; El‐Mehasseb, Ibrahim M.; Maher, Ibrahem; Rashad, Mona M.; Kabeel, A.E.; Yang, Nuo; Sharshir, Swellam W.

doi:10.1016/j.solener.2021.06.085

Cited by 92 publications

(10 citation statements)

References 62 publications

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“…Thermal conductivity values of PCMs can be upgraded by integrating nano-sized materials [41][42][43]. There are some works available in the literature that analyzed SDSs with nano-and micro-enhanced PCMs [44,45]. Kumar et al [46] considered an SDS with a silica nano-enhanced TESU.…”

Section: Introductionmentioning

confidence: 99%

Experimental Performance Analysis of a Solar Desalination System Modified with Natural Dolomite Powder Integrated Latent Heat Thermal Storage Unit

2022

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Solar desalination systems are effective and sustainable applications that are utilized to obtain potable water from saline or contaminated water. In this research, three solar desalination systems, including a conventional system, a phase change material (PCM)-based thermal energy storage unit (TESU), and a natural dolomite powder integrated PCM-based TESU, were structured and experimentally investigated. The developed solar desalination systems were analyzed simultaneously and the findings were discussed in detail. According to the empirically obtained outcomes, utilizing PCM-based TESUs and dolomite-powder-embedded PCM-based TESUs increased daily cumulative productivity by 10.15% and 17.70%, respectively, in comparison to the conventional distiller. Employing dolomite powder increased the energy and exergy efficiencies of the conventional distiller from 15.91% to 18.28% and from 1.26% to 1.78%, respectively. Moreover, environmental metrics such as global warming potential and the sustainability index of the developed solar desalination systems were analyzed within the scope of this work.

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Section: Introductionmentioning

confidence: 99%

Experimental Performance Analysis of a Solar Desalination System Modified with Natural Dolomite Powder Integrated Latent Heat Thermal Storage Unit

2022

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“…Researchers have focused on different modifications to enhance the performance of SSs (Arunkumar et al 2019 ; Sharshir et al 2017a ). Several design improvements were proposed and examined in order to improve the SS performance such as flat SS (Peng et al 2021a ), pyramid SS (Nayi and Modi 2018 ; Sharshir et al 2020a ), inclined SS (Kalidasa Murugavel et al 2013 ; Kaviti et al 2016 ), tubular SS (Kabeel et al 2019b ; Sharshir et al 2019a ; Wang et al 2021 ), multi-basin (Shanazari and Kalbasi 2018 ), double-slope SS with rubber scrapers (Elsheikh and Abd Elaziz 2018 ), trapezoidal pyramid SS(Sharshir et al 2022c ), double-slope SS (Elmaadawy et al 2021 ; Kandeal et al 2021a , b ; Raj Kamal et al 2021 ; Sharshir et al 2020e ; Tuly et al 2021 ), and stepped SS (Alaudeen et al 2014 ; Kabeel et al 2015 ). On the other hand, the most widely used methods for solar still modifications, nanofluids (Elsheikh et al 2018 ; Sharshir et al 2017c ), wick material (Sharshir et al 2020c ; Sharshir et al 2022a ; Sharshir et al 2020f ; Sharshir et al 2021d ) nano-coating (Thakur et al 2022 ), thin film evaporation (Elsheikh et al 2019b ; Peng et al 2018 , 2021b ; Sharshir et al 2022a ), phase change materials (AbuShanab et al 2022 ; Al-Harahsheh et al 2022 , 2018 ; Javadi et al 2020 ; Shalaby et al 2016 ), basin water depth (Khalifa and Hamood 2009 ; Muthu Manokar et al 2020 ; Phadatare and Verma 2007 ), hydrogel materials (Sharshir et al 2020b ), v-corrugated aluminum basin (Abdelaziz et al 2021a ), carbonized wood with nano (Sharshir et al 2022b ) reflectors (Elmaadawy et al 2020 ), energy storage (El-Shafai et al 2022 ; Sharshir et al 2021a , 2019b ; Thakur et al 2021b ), nano-based mushrooms (Sharshir et al...…”

Section: Introductionmentioning

confidence: 99%

Deep neural network prediction of modified stepped double-slope solar still with a cotton wick and cobalt oxide nanofluid

Sharshir

Elhelow

Kabeel

et al. 2022

Environ Sci Pollut Res

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This research work intends to enhance the stepped double-slope solar still performance through an experimental assessment of combining linen wicks and cobalt oxide nanoparticles to the stepped double-slope solar still to improve the water evaporation and water production. The results illustrated that the cotton wicks and cobalt oxide (Co3O4) nanofluid with 1wt% increased the hourly freshwater output (HP) and instantaneous thermal efficiency (ITE). On the other hand, this study compares four machine learning methods to create a prediction model of tubular solar still performance. The methods developed and compared are support vector regressor (SVR), decision tree regressor, neural network, and deep neural network based on experimental data. This problem is a multi-output prediction problem which is HP and ITE. The prediction performance for the SVR was the lowest, with 70 (ml/m2 h) mean absolute error (MAE) for HP and 4.5% for ITE. Decision tree regressor has a better prediction for HP with 33 (ml/m2 h) MAE and almost the same MAE for ITE. Neural network has a better prediction for HP with 28 (ml/m2 h) MAE and a bit worse prediction for ITE with 5.7%. The best model used the deep neural network with 1.94 (ml/m2 h) MAE for HP and 0.67% MAE for ITE.

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“…Improving the general effect of industrial and domestic wastewater purification is a topic of increasing interest from the scientific community [1][2][3]. To achieve optimal indicators of maximum permissible concentrations of fishery water bodies, new promising technologies for wastewater treatment are being developed [4].…”

Section: Introductionmentioning

confidence: 99%

Improving the Performance of Biological Tanks in Wastewater Treatment Plants by Modifying the Conventional Ceramic Aerator

Khalil

Sharshir

2022

J. Phys.: Conf. Ser.

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The purpose of the article is to study the process of aeration of wastewater using an aerator with an air-lift effect to ensure a uniform distribution of the concentration of suspended solids in the aeration tank of the model installation. Based on the result of the work carried out, experimental data were obtained and a theoretical description of the parameters of the aeration process, which increase the coefficients of mass transfer and the use of the reactor volume, and the costs of the process. The airlift effect increases the concentration of sludge. The airlift also helps in the spread of suspended solid in the tank, as mass transfer reactions during aeration increase by an average of 11.8%. Also, an increase in dissolved oxygen concentration from 3.02 mg / L to 3.5 mg / L, i.e., by 15%, which indicates an improvement in mass transfer and, accordingly, a decrease in energy consumption for aeration. However, the existing technological potential requires the introduction of variable equipment. An example of an alternative air dispersion system can be aerators with airlift effect.

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Improved thermo-economic performance of solar desalination via copper chips, nanofluid, and nano-based phase change material

Cited by 92 publications

References 62 publications

Experimental Performance Analysis of a Solar Desalination System Modified with Natural Dolomite Powder Integrated Latent Heat Thermal Storage Unit

Experimental Performance Analysis of a Solar Desalination System Modified with Natural Dolomite Powder Integrated Latent Heat Thermal Storage Unit

Deep neural network prediction of modified stepped double-slope solar still with a cotton wick and cobalt oxide nanofluid

Improving the Performance of Biological Tanks in Wastewater Treatment Plants by Modifying the Conventional Ceramic Aerator

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