Solar driers have the following advantages.
What are the advantages and disadvantages of solar crop driers.
Its only disadvantage is the high initial capital cost for the dryer the collector field and all necessary auxiliary equipment as ducts pipes blowers control and measurement instruments and more or less skilled personnel to.
Suggest remedies for the disadvantages.
What factors determine the type and size of solar collectors for crop drying.
Drying is faster because inside the dryer it is warmer than outside.
Solar greenhouse dryers are available in different size and design and are used for drying various crops and.
Disadvantages its not as vierment friendly as solar power.
1 color deterioration of green fruit during dehydration and 2 decomposition of residual chlorophyll in the tissue under direct solar radiation.
Solar dryers in parabolic domes allows water to run along the walls no contamination of goods by water better product quality color skin taste better prices due to better quality higher affordability level better payback power of farmers.
It helps preserve food and increase the shelf life of the product.
The product is protected against flies pests rain and dust.
It has also advantages that crop are protected from dust rain insects animals etc.
Advantages of solar dryers.
The solar cell won t work at night or in the dark.
More sophisticated solar dryers protect grain and fruit reduce losses dry faster and more uniformly and produce a better quality product than open air methods.
Solar dryers can be utilized for various domestic purposes.
Solar dryers are more economical compared to dryers that run on conventional fuel electricity.
Less risk of spoilage because of the speed of drying.
In hot arid climates the collector may not even be necessary.
The basic components of a solar dryer are an enclosure or shed screened drying trays or racks and a solar collector.
Advantages and disadvantages of indirect solar drying.
Indirect solar drying technique has almost only advantages.
Relative advantages and disadvantages of cabinet type direct solar dryers are.
What are the advantages and disadvantages of solar crop driers.
Uv protection of solar dryers maintains colors and nutrients of fruits and vegetables.
If the drying process is slow the fruit start to ferment and the product is spoilt.
Please also give references.
Green house solar dryer is an enclosed chamber which is used for drying various crops using green house effect.
It is labour saving.
