Experimental investigation of the performance of a mixed-mode solar dryer with thermal energy storage

Baniasadi, Ehsan; Ranjbar, Saeed; Boostanipour, Omid

doi:10.1016/j.renene.2017.05.043

Cited by 132 publications

(38 citation statements)

References 28 publications

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“…The overall thermal efficiency of natural convection hybrid solar dryer without recovery dryer proposed by Yassen and Al‐Kayiem () was 9.9%. Natural convection mixed mode solar dryer with thermal energy storage proposed by Baniasadi, Ranjbar, and Boostanipour () gave thermal efficiency of 10.7%. In the present work, INCSD without using thermal storage mechanism gave comparable thermal efficiencies when compared to other hybrid natural convection solar dryers.…”

Section: Resultsmentioning

confidence: 99%

Investigation on indirect natural convection solar drying of anti‐diabetic medicinal products

Mathew

Venugopal

2019

J Food Process Preserv

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A performance analysis of indirect natural convection solar dryer (INCSD) was carried out by drying anti‐diabetic medicinal products like coccinia grandis, allium cepa, and emblica officinalis by cutting into different orientations. Drying results shows that thickness, orientation of cut, and surface area plays a vital role in the drying characteristics of the products in INCSD. The average collector and dryer efficiency of INCSD was 15% and 7%, respectively. Drying time was reduced up to 11 hr in INCSD than open sun drying. Alpha amylase inhibition assay values for products dried under open sun (15.67%, 5.89%, and 8.56%) showed better results, whereas minerals like potassium content in allium cepa (597 mg/100 g), sodium content in coccinia grandis (130.1 mg/100 g), magnesium content in allium cepa, and emblica officinalis (80 mg/100 g) were higher when dried in INCSD. Vitamin C and sugar content in products were almost same for both INCSD and open sun drying. Practical applicationsIndirect natural convection solar dryers are mainly benefited by small‐scale farmers as it takes less drying time and possess better quality when compared to open sun drying. Drying anti‐diabetic medicinal products in INCSD can be considered as a boon for pharmaceutical industries as the dryer can give good‐quality dried products that can be used for preparing anti‐diabetic medicines. It can also reduce the production cost of anti‐diabetic medicines.

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Section: Resultsmentioning

confidence: 99%

Investigation on indirect natural convection solar drying of anti‐diabetic medicinal products

Mathew

Venugopal

2019

J Food Process Preserv

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“…In order to establish the accuracy of experimental data, Uncertainty is required. It is based on precision and bias limits where precision error for each measured data is based on standard deviation as follows [10]:…”

Section: Uncertainty Analysis Of Experimental Datamentioning

confidence: 99%

Drying of mint leaves in forced convection solar dryer

Suresh¹,

Palanisamy

Kandasamy³

2019

THERM SCI

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In this present work, performance study on drying mint leaves under the metrological conditions. Intensity of radiation falls on the absorber plate which transfers heat to forced air-flow inside the galvanized iron tube. Drying experiment carried out with 1 kg of mint leaves taken for drying process under the different mass-flow rate of 0.75 m/s and 1.25 m/s in serpentine flow of air. Performance of the collector and drying efficiency were 30.33% and 1.63% in first day at 0.75 m/s mass-flow rate and in the second day collector, the drying efficiency were 29.41% and 1.89% at the mass-flow rate of 1.25 m/s. The mass-flow rate of air decreased with increasing collector and drying efficiency.

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“…It was observed that the difference in drying rates of upper and lower trays was lowered with the help of energy storage system. Use of paraffin material as energy storage unit decreased the drying time by 50% [24]. Simate et.al.…”

Section: Mixed Mode Solar Dryermentioning

confidence: 99%

Indirect Solar Dryer: A Review

Dube¹

2018

IJRASET

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Various agricultural products such as Fruits, Vegetables, Grains, and medicinal Herbs etc. requires drying to make them available for long period of time. Usually the methods being used for preservation of these products requires fossil fuel and open sun drying which has its own disadvantages. In developing countries fossil fuel availability still remains a big issue therefore solar drying can be a viable alternate solution for fossil fuels. Also the solar drying technique is not only dependent on solar energy for its functioning, rather its performance can be enhanced by incorporating various systems and techniques. In this paper various types of indirect solar drying techniques have been reviewed and emphasis is given to the dryers integrated with latent heat storage unit. Design and Analysis of Indirect solar dryer used for miscellaneous applications such as water heating, space heating and other industrial purposes have been presented in this paper.

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Experimental investigation of the performance of a mixed-mode solar dryer with thermal energy storage

Cited by 132 publications

References 28 publications

Investigation on indirect natural convection solar drying of anti‐diabetic medicinal products

Investigation on indirect natural convection solar drying of anti‐diabetic medicinal products

Drying of mint leaves in forced convection solar dryer

Indirect Solar Dryer: A Review

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