Experimental studies on drying of orange peel in solar tunnel dryer using sensible heat storage material

Bukke, Sandeep; Pillai, Bindu; Karthikeyan, K.

doi:10.1109/iceets.2016.7582925

Cited by 6 publications

(3 citation statements)

References 13 publications

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“…Another important point to note from Table 3 is that the dryers in [10], [45], and [48] have a backup heating system that uses thermal storage material (such as glycerol, pebbles, and paraffin wax) to store thermal energy to be released when solar energy heating is ineffective. Similarly, biomass and electrical heaters are also used as the emergency heating systems in [12] and [43] to raise the drying temperature during the sun intermission.…”

Section: Review Discussionmentioning

confidence: 99%

“…Compared to the passive mode, the active mode dryer system has a more complex structure and relatively higher equipment cost but performs better with higher efficiency [9]. Therefore, the natural convection mode dryer is easier and much more economical to reduce the cost required for active mode dryers [10], [13].…”

Section: Classification Of Agricultural Produce Solar Dyersmentioning

confidence: 99%

“…The uncertainties of solar dryer operations that are heavily dependent on solar energy availability led to many advances, including backup thermal storage, hybrid dryer system, solar panel integration, drying chamber reconstruction, and improvements or changes to solar air collector [8], [10], [11]. Hybrid dryers that utilize a combination of solar energy and non-renewable energy sources, such as grid power, have been developed to mitigate any limitations of the dryer [8], [12].…”

Section: Introductionmentioning

confidence: 99%

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A review of solar drying technology for agricultural produce

Rizalman

Moung

Dargham

et al. 2023

IJEECS

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Agriculture contributes to large export earnings for many countries and provides food all over the world. However, most agricultural products need some post-harvest processing, such as drying, to extend their shelf life while still maintaining their respective nutrient quality. One popular post-harvest processing method is drying using solar energy. It is a type of renewable energy that is abundant and free. Conventional dryers use grid electricity and can be expensive to operate. Consequently, there is a growing need for cost-effective solar-powered agricultural dryers that is reasonable for smaller-scale farmers. Although current solar dryers are still not on par with modern electricity-powered dryers, solar dryers have lower running costs and are sustainable and able to generate electricity. They can also be used practically anywhere with abundant solar energy. As numerous solar drying technologies have been proposed over the past decade, it is necessary to assess the current state of solar drying technology in the agricultural sector to identify current advancements and potential research gaps. In this paper, a review of existing solar dryers mechanism and the state of the art of solar drying technology research for agricultural products is presented.

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