A Review on Role of Solar Drying Technology in Sustainable Development

Singh, Pushpendra; Gaur, Manoj Kumar

doi:10.1007/978-3-030-44758-8_3

Cited by 8 publications

(3 citation statements)

References 32 publications

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“…This drying method has inherent limitations, including a high reduction of nutrients because of prolonged drying time, and high product loss due to inadequate drying environment, insects, birds and rodent attacks, and variations in solar load (Ekechukwu, 1999). Urban and semi‐urban smallholders depend on solar dryers and convective fan‐driven technology to dry food (Chen, 2019; Krause et al., 2019; Singh & Gaur, 2020). However, these drying methods are time‐consuming and often result in dried products of low nutritional and sensory quality.…”

Section: Future Trends For Ehd Drying Of Fruits and Vegetablesmentioning

confidence: 99%

Electrohydrodynamic drying: Can we scale‐up the technology to make dried fruits and vegetables more nutritious and appealing?

Onwude

Iranshahi

Martynenko

et al. 2021

Comp Rev Food Sci Food Safe

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Electrohydrodynamic (EHD) drying is a promising technology to better preserve the nutritional content and sensory appeal of dried fruits and vegetables. To successfully scale up this technology, we need to rethink the current EHD dryer designs. There is also a significant potential to further enhance the nutritionalThis is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Section: Future Trends For Ehd Drying Of Fruits and Vegetablesmentioning

confidence: 99%

Electrohydrodynamic drying: Can we scale‐up the technology to make dried fruits and vegetables more nutritious and appealing?

Onwude

Iranshahi

Martynenko

et al. 2021

Comp Rev Food Sci Food Safe

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“…[17][18][19]. Hence the solar dryers were developed to counter the limitations of open sun drying [20] and these are also sustainable and eco-friendly [21,22]. The solar dryers are basically of three types namely direct, indirect and mixedmode dryers [23].…”

Section: Introductionmentioning

confidence: 99%

A review on thermal analysis of hybrid greenhouse solar dryer (HGSD)

Singh

Gaur

2022

Journal of Thermal Engineering

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The objective of the paper is to present the modifications done in hy brid gr eenhouse solar dryers to make them more efficient. As hy brid dryers we re developed to ov ercome the various limitations of other types of solar dryers. Due to modifications in dryers, the effect on various heat transfer parameters like heat transfer coefficient, drying time, drying efficiency, etc. is studied and also encapsulated in the paper. It is found that in most of the hybrid dryers, the maximum temperature of the drying chamber is around 65-80°C. This shows the suitability of a hybrid dryer for drying high moisture crops. Also, the drying time for most of the crops is around 2-3 days, which shows the faster moisture removal rate inside the hybrid dryers. According to the literature studied, the maximum drying efficiency of a hybrid dryer is reported by about 35%. The paper also encapsulates the various relations/ equations used by different researchers to carry out the thermal modeling and heat transfer analysis of greenhouse dryers.

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“…Lingayat et al [17] reviewed the performance of various indirect type solar dryers and also presented the use of energy storage in indirect dryers. Singh and Gaur [18] reviewed how solar dryers are suitable from a sustainability point of view. Lamidi et al [19] presented a review on the advancement in solar drying in the context of agricultural product drying.…”

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confidence: 99%

Untitled

2022

Jurnal Polimesin

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Solar energy is available in abundance. It is considered an effective energy source for drying agricultural products. Although it is affordable, open sun drying suffers from both qualitative and quantitative issues caused by unexpected environmental conditions (rain, dust), animals (insects, birds, rodents), and overor under-drying. Therefore, it is important to introduce a better drying technology to preserve solar energy without deteriorating the quality of the drying product. For that reason, solar dryers have been developed to produce higher drying temperatures and lower relative humidity that will eventually lead to superior drying rates and reduced final moisture contents compared to the conventional open sun drying method. Therefore, not only does the solar dryer meet the requirements of agricultural products, but it also saves energy, time, and money. The study reviews recent studies on direct, indirect, or mixed dryers design which focus on several aspects of solar drying, including: advantages and disadvantages and comparative evaluation for each type of solar drying design. Furthermore, this review paper contributes to the recent literature about such a significant findings of solar drying technologies for food conservation.

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A Review on Role of Solar Drying Technology in Sustainable Development

Cited by 8 publications

References 32 publications

Electrohydrodynamic drying: Can we scale‐up the technology to make dried fruits and vegetables more nutritious and appealing?

Electrohydrodynamic drying: Can we scale‐up the technology to make dried fruits and vegetables more nutritious and appealing?

A review on thermal analysis of hybrid greenhouse solar dryer (HGSD)

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