International Journal of Advanced Innovative Technology in Engineering (IJAITE)

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Design, Construction and Performance Evaluation of Solar Dryer

Amar Tolmare, Prof. P. B. Ingle

Abstract :

The utilization of solar energy in a particular location to determine the economy and performance of systems requires essentially the knowledge of the availability of solar radiation at that location. Detailed information on the availability of solar energy is needed for its efficient utilization. “Sun drying” is the earliest method of drying farm produce ever known to man and it involves simply laying the agricultural products in the sun on mats, roofs, or drying floors. This has several disadvantages since the farm produce is laid in the open sky and there is a greater risk of spoilage due to adverse climatic situation like wind, rain, moist and dust, loss of product to insects, birds and rodents; totally dependent on good weather and very slow drying rate with the danger of mold growth thereby causing deterioration and decomposition of the product. The process also requires a large area of land takes time and highly labor intensive. In solar drying, solar dryers are specialized devices that control the drying process and protect the agricultural product from damage by insects, dust, and rain. In addition, it takes up less space, takes less time, and relatively inexpensive compared to artificial mechanical drying. The solar dryer can be seen as one of the solutions to the world’s food and energy crises. With drying, most agricultural products can be preserved and this can be achieved more efficiently through the use of solar dryers. This project is to design, construct and evaluate the performance of a solar dryer based on the convex lens.

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