Experimental investigation and the performance evaluation of a mixed mode solar dryer for coconut

Subbian, V.; Murugavel, K. Kalidasa; Raja, R.; Shanawaz, A.M.

doi:10.1016/j.matpr.2021.01.157

Cited by 6 publications

(2 citation statements)

References 18 publications

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“…In this type of dryer, the heat transfer occurs through convection and radiation from the drying chambers. Subbian et al [11] evaluated the performance of mixed-mode solar dryers for drying coconuts. The results showed that the drying rate increases with a decrease in mass flow rate.…”

Section: Mixed Mode Solar Dryersmentioning

confidence: 99%

Recent Developments in Design and Operations of Solar dryer.

Harini

Kavya

Ramana

2022

IOP Conf. Ser.: Earth Environ. Sci.

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Solar drying is useful in several residential, commercial and industrial applications. Proper dryer design, operation and maintenance are essential for enhancing the dryer performance and better quality of the dried product. Solar dryer is beneficial as it protects the product from adverse climatic conditions and quickly economically dry the product. The dryer design has undergone significant shapes, dimensions, and storage features leading to better reliability. Researchers worldwide have reported higher energetic and exergetic performance through advanced design, measurement, and control features. Conventional dryer’s efficiency deterioration is attributed to the lack of proper material selection and computational fluid flow techniques. Traditional dryer designs have focused on product drying rate while advanced sustainable solar dryer designs increased solar thermal utilization in a limited area with locally available materials based on fluid flow conditions suitable to the microclimatic conditions. Analysis using computational fluid dynamics (CFD) software has assisted in refining dryer designs to be compact with the complex flow and quick product drying features. The present paper tracks developments in solar dryer designs for different dryer classifications. Recommendations for energy-efficient design and measures for improvement in existing dryers are also discussed.

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Section: Mixed Mode Solar Dryersmentioning

confidence: 99%

Recent Developments in Design and Operations of Solar dryer.

Harini

Kavya

Ramana

2022

IOP Conf. Ser.: Earth Environ. Sci.

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“…Pliek U drying process is carried out to reduce the water content in fermented coconut meat. The quality of agricultural and food products can be improved by reducing their water content, namely through the drying process [3]. So far, the Acehnese have carried out the conventional Pliek U drying process through direct drying on open land.…”

Section: Introductionmentioning

confidence: 99%

Design of pliek-u dryer using Dafa-type solar energy

Agustina

Hayati

Hasanuddin

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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One of the food diversification strategies of coconut commodity is to process it into Pliek U. Pliek U is a typical food of the Province of Aceh, Indonesia, which in its processing stage requires a drying process. So far, Pliek U drying process is often conducted conventionally through direct drying (sun drying), so that Pliek U produced is susceptible to dust and other dirt contamination. This research aimed to design a Pliek U dryer using Dafa type solar energy. The Dafa type solar energy dryer used a turbine ventilator with a vertical axis wind turbine equipped with two solar collectors. This turbine had a simple shape and construction and was arranged like the letter S. While the two parts of the solar collector were used to collect energy from the sun directly. In the experiment, the blank test was carried out in the time range, namely from 10.20 am to 04.50 pm in sunny weather, with an interval of 30 minutes for each temperature data recording. The empty test results of the Dafa type solar energy dryer showed that the average shelf temperature was 44.21 °C, the collector temperature was 45.64 °C, and the ambient temperature was 31.14 °C. This initial test revealed that the performance ability of the tool was very effective in maintaining temperature during the drying process, so that further tests using materials for drying Pliek U may be carried out.

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