A Comparison Between Solar Tunnel Driers and Conventional Fuel Dehydrators for On-Farm Drying

Fuller, Robert

doi:10.1080/07373939508917035

Cited by 4 publications

(2 citation statements)

References 6 publications

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“…At present there are various drying and dehydration systems using conventional energies [11][12][13][14][15] and unconventional, [16][17][18][19] in addition to processes based on ultrasound drying, natural convection, forced convection, vacuum and freezing (lyophilization). The processing phase is important, because it generates changes in the sensory and nutritional properties of the food; one of the commonly practiced methodologies is to leave the product exposed to the sun for several days for prolonged drying, however, high temperatures and direct exposure to the sun cause the product to shrink and alter its organoleptic properties.…”

Section: Introductionmentioning

confidence: 99%

Closed flow solar dehydration with the use of silver nanoparticles: Application for the production of Pouteria lucuma flour

2021

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In this research, a closed-flow solar dehydrator with a refrigeration moisture extraction system was evaluated, likewise, the dehydration temperature time was optimized by evaluating three types of heat transfer fluids. The dehydration equipment included devices to absorb thermal energy from incident sunlight, such as a trombe wall and a parabolic cylindrical collector, and a thermo bank system. In addition, the influence of three types of heat transfer fluids (water, oil and oil nanofluid þ silver nanoparticles) was evaluated. This dehydration system was applied to process the Pouteria lucuma fruit. The results indicate the reduction of the dehydration time by 58.19% using nanofluid. This treatment prevents the modification of the physicochemical properties of the product and helps preserving its organoleptic properties.

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Section: Introductionmentioning

confidence: 99%

Closed flow solar dehydration with the use of silver nanoparticles: Application for the production of Pouteria lucuma flour

2021

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“…Muhlabauer (1981) has made a detailed investigation on the design and performance of the solar tunnel dryer and has reported his experimental observations for a number of crops. A comparison of the performance of the solar tunnel dryer with the mechanical dryer has been made by Fuller (1995). He has suggested several reasons for the usefulness of the solar tunnel dryer over the mechanical dryer and its applicability in developing countries.…”

Section: Introductionmentioning

confidence: 99%

Simulation model of the thermal performance of a natural convection-type solar tunnel dryer

Garg¹,

Kumar²,

Datta³

1998

Int. J. Energy Res.

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The basic objective of this paper is to develop a comprehensive simulation model of the thermal performance of solar tunnel dryer. The model is useful in system design as it is sensitive to the design parameters of air collector and dryer (like, length, radius, tunnel tilt, etc.). It is also useful in determining the drying behaviour of high‐moisture products (vegetables, fruits, etc.) as well as low‐moisture products (barely, wheat, etc.). The performance of the dryer has been estimated for a natural convection mode flow. A transient one‐dimensional model was developed for the dryer and the numerical calculations were made for the climate of Delhi. It is observed that a large quantity of barley about 2135 kg can be dried in this dryer within two days of operation upto an equilibrium moisture content. © 1998 John Wiley & Sons Ltd.

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Valorization of rehydrated Deglet-Nour dates by an experimental investigation of solar drying processing method

Mennouche

Bouchekima

Boubekri

et al. 2014

Energy Conversion and Management

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A Comparison Between Solar Tunnel Driers and Conventional Fuel Dehydrators for On-Farm Drying

Cited by 4 publications

References 6 publications

Closed flow solar dehydration with the use of silver nanoparticles: Application for the production of Pouteria lucuma flour

Closed flow solar dehydration with the use of silver nanoparticles: Application for the production of Pouteria lucuma flour

Simulation model of the thermal performance of a natural convection-type solar tunnel dryer

Valorization of rehydrated Deglet-Nour dates by an experimental investigation of solar drying processing method

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