Drying comparison of cassava flour through solar dryer and hybrid oven

Coriolano, Diego Lopes; Resende, Iraí Tadeu Ferreira de; Andrade, Vanina Cardoso Viana; Roque, Alexandre M. P.; Gama, Gustavo A.; Alsina, Odelsia Leonor Sánchez de; Araujo, Marcos E. A. de; Veloso, Yago Matheus da Silva; Figueiredo, Renan Tavares

doi:10.1109/icpesys.2017.8215912

Cited by 6 publications

(4 citation statements)

References 8 publications

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“…However, only some researchers have investigated the use of solar dryers for drying cassava starch. Coriolano et al (2017) reported that a box-shaped solar dryer could reduce the moisture content of cassava starch from 80% to 10% on a wet basis after five hours of drying, whereas reported that the moisture content in cassava starch could be reduced from 54% to 7% on a wet basis after 16 h when using a solar tray dryer.…”

Section: Introductionmentioning

confidence: 99%

Energy–exergy analysis and mathematical modeling of cassava starch drying using a hybrid solar dryer

2020

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In this study, we aimed to energetically and exergetically evaluate the usage of a hybrid solar dryer system for cassava drying via a series of drying experiments. The experiments were performed beginning at 10.00 A.M. (hereafter, in local time) until the moisture content of cassava starch became constant at a value less than 14% on a wet basis at drying temperatures of 40°C to 60°C and drying times of 180-240 min. The results demonstrated that the highest overall dryer energetic efficiency was 20.82%, which was achieved at a drying temperature at 60°C, and that the maximum energetic efficiency of 27% was recorded at 11.00 A.M. The exergy flows fluctuated during the drying process and were dependent on the solar radiation and drying conditions; however, the exergetic efficiency of the dryer was 25.1%-73.8%. Comparison of the fitting models denoted that the Page model was the most suitable model for describing the experimental drying performances. The calculated effective diffusivity constant (D eff ) and the activation energy (E a ) during the drying process from 50°C to 60°C were 3•× 10 −10 m 2 /s and 15.3 kJ/mole, respectively.

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Section: Introductionmentioning

confidence: 99%

Energy–exergy analysis and mathematical modeling of cassava starch drying using a hybrid solar dryer

2020

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“…Referring to Table 4, the dryer in [49] uses solar energy to heat up a thermal fluid for the distributing hot air throughout the drying chamber through a mechanism called evacuated tube collector. The dryer [5] and [47] use an external burner to provide additional heat to dry agricultural products inside the chamber.…”

Section: Review Discussionmentioning

confidence: 99%

“…The dryer [5] and [47] use an external burner to provide additional heat to dry agricultural products inside the chamber. At the same time, dryer [31] and [49] burns biomass materials to release heat energy to the dryer. Additionally, dryer [40] and [50], [42], and [51] uses a solar-generated electric heater, paraffin wax, and water tank storage, respectively, to increase the drying temperature inside its' drying space.…”

Section: Review Discussionmentioning

confidence: 99%

“…The drying chamber is roofed with transparent material, similar to direct dryer mechanism so that sunlight can directly reach the products inside it through this material [19]. Furthermore, the combined features of direct exposure to solar radiation and a heated environment by solar collector result in a faster drying rate of the products in this mixedmode type of solar drying [36], [49].…”

Section: Classification Of Agricultural Produce Solar Dyersmentioning

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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Recent Advancements in Design, Application, and Simulation Studies of Hybrid Solar Drying Technology

Jha

Tripathy

2020

Food Eng Rev

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Drying comparison of cassava flour through solar dryer and hybrid oven

Cited by 6 publications

References 8 publications

Energy–exergy analysis and mathematical modeling of cassava starch drying using a hybrid solar dryer

Energy–exergy analysis and mathematical modeling of cassava starch drying using a hybrid solar dryer

A review of solar drying technology for agricultural produce

Recent Advancements in Design, Application, and Simulation Studies of Hybrid Solar Drying Technology

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