Experimental and analytical investigations of productivity, energy and exergy efficiency of a single slope solar still enhanced with thermoelectric channel and nanofluid

Nazari, Saeed; Safarzadeh, Habibollah; Bahiraei, Mehdi

doi:10.1016/j.renene.2018.12.059

Cited by 150 publications

(23 citation statements)

References 26 publications

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“…The use of nanofluids in many other devices has also been studied, and some of these include the application of nanofluids in solar still [389,390] and also in mineral oil to enhance the insulating properties of high-voltage AC and DC transformers as proposed by Rafiq et al [391].…”

Section: Nanofluids In Refrigerationmentioning

confidence: 99%

An updated review of nanofluids in various heat transfer devices

Okonkwo

Wole‐Osho

Almanassra

et al. 2020

J Therm Anal Calorim

254

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The field of nanofluids has received interesting attention since the concept of dispersing nanoscaled particles into a fluid was first introduced in the later part of the twentieth century. This is evident from the increased number of studies related to nanofluids published annually. The increasing attention on nanofluids is primarily due to their enhanced thermophysical properties and their ability to be incorporated into a wide range of thermal applications ranging from enhancing the effectiveness of heat exchangers used in industries to solar energy harvesting for renewable energy production. Owing to the increasing number of studies relating to nanofluids, there is a need for a holistic review of the progress and steps taken in 2019 concerning their application in heat transfer devices. This review takes a retrospective look at the year 2019 by reviewing the progress made in the area of nanofluids preparation and the applications of nanofluids in various heat transfer devices such as solar collectors, heat exchangers, refrigeration systems, radiators, thermal storage systems and electronic cooling. This review aims to update readers on recent progress while also highlighting the challenges and future of nanofluids as the next-generation heat transfer fluids. Finally, a conclusion on the merits and demerits of nanofluids is presented along with recommendations for future studies that would mobilise the rapid commercialisation of nanofluids.

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Section: Nanofluids In Refrigerationmentioning

confidence: 99%

An updated review of nanofluids in various heat transfer devices

Okonkwo

Wole‐Osho

Almanassra

et al. 2020

J Therm Anal Calorim

254

View full text Add to dashboard Cite

show abstract

“…The analytical and the experimental examination in terms of exergy and energy efficiency as well as productivity of a solar still was proposed by Nazari et al (2019). Here, a solar still was enhanced with a nano-fluid and thermoelectric channel.…”

Section: Summary Of Existing Literature Workmentioning

confidence: 99%

Productivity Enhancement of Solar Still using Adaptive Deep Neural Network Model

Victor

Somasundaram

Gnanadason³

2021

Preprint

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Water is considered as one among the most superabundant resources on the earth that cover 75% of the entire earth’s surface yet numerous countries faces problem due to water shortage. Desalination is considered as the most efficient process to overcome this raising clean water demand. The solar energy is considered as one of the efficient and finest resources to refine the brackish water. Therefore, this paper proposes a novel black widow particle swarm optimization based deep neural network approach to enhance the water productivity from the solar still. The main intension of the proposed BWPSO based DNN approach is to enhance the performances of DNN by employing BWPSO for optimal water production. Here, the optimal weight of the DNN is determined by utilizing BWPSO algorithm. The solar still is incorporated with a straight tube and spiral tube solar water collector. In addition to this, the study based on solar still and their experimental analysis are carried out in Coimbatore city located in Tamilnadu. The evaluation is conducted for various parameters namely glass temperature, average evaporation temperature, inlet and outlet temperature, water temperature, air temperature, yield, solar intensity, wind velocity, RMSE, MAE, MRE and EC to determine the effectiveness of the system. Also, the comparative analysis is made and the evaluation results reveal that the proposed approach outperforms various other approaches.

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“…where, ℎ , − is the coefficient heat transfer by convection from basin liner to the water ( / 2 . ) is the basin liner temperature (℃) [17].…”

Section: Basin Liner Bmentioning

confidence: 99%

Experimental Investigation of Modified Solar Still Productivity under Variable Climatic Conditions

Alwan¹,

Щеклеин²,

Ali³

2020

IJDNE

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Conversion of untreated water into drinking water using solar distillation technology can be considered as the most viable methods in the dry climate regions and remote areas. The productivity of solar stills influences by various conditions such as design, operational and environmental conditions. The current paper includes a practical investigation of the effects the climatic conditions on the fresh water production from modified single-slope solar still in Russia. Results analysis showed that the mechanism of heat transfer and mass transfer within the solar still depend on environmental parameters. The heat transfer coefficients have been gradually increased from the early morning after 08:00 am and reached the highest value at the noon then decrease gradually afternoon to reach the lowest value at 20:00 pm. The maximum value of coefficient of heat transfer by evaporation found to be 12.1 W/m 2. K at 17:00 pm on 19.06.2019, then 9.9 W/m 2. K at 17:00 pm on 18.06.2019, and 2 W/m 2. K at 18:00 pm on 17.06.2019. Therefore, a noticeable improvement in the fresh water productivity from solar still has been observed with increasing solar radiation intensity, ambient temperature and decreasing relative humidity. The amount of production during a cloudy day was 287 ml/m 2 , 620 ml/m 2 for a partial cloudy day and 950 ml/m 2 during a sunny day.

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Experimental and analytical investigations of productivity, energy and exergy efficiency of a single slope solar still enhanced with thermoelectric channel and nanofluid

Cited by 150 publications

References 26 publications

An updated review of nanofluids in various heat transfer devices

An updated review of nanofluids in various heat transfer devices

Productivity Enhancement of Solar Still using Adaptive Deep Neural Network Model

Experimental Investigation of Modified Solar Still Productivity under Variable Climatic Conditions

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