Abstract
In this paper, a new design of a natural convection solar dryer used to dry fruits is presented; taking into account the local climatic conditions prevailed in Jordan during summer season. The dryer will have a capacity of 100 kg of sliced apples and the simulation is based on mass and heat balances. It is deemed that such new design will be able to reduce the original moisture content, of the final product, to 10% within two days. The special tailored program could be used to calculate drying parameters for similar products under different climatic conditions. The next step will be focused on constructing the solar dryer in order to conduct actual experiments in the field.
Highlights
During the long past history, several thousand years ago, solar energy was used to dry main food products, such as fruit, vegetables, meat and fish, in order to be preserved for later use
A new design of a natural convection solar dryer used to dry fruits is presented; taking into account the local climatic conditions prevailed in Jordan during summer season
The whole world attention has been focused on renewable energy sources including solar, hydropower, geothermal, and wind energy as alternative energy sources to substitute for fossil fuels in some applications
Summary
During the long past history, several thousand years ago, solar energy was used to dry main food products, such as fruit, vegetables, meat and fish, in order to be preserved for later use. Significant developments, during the past decade, in the area of solar crop drying were reviewed by [15], stating the fact that solar energy is considered more applicable to low-temperature in-storage drying systems and it has gained more importance work to facilitate a comparison of the financial feasibility of solar drying as against open sun drying, having presented the results of some exemplifying calculations and a brief discussion They presented a comprehensive review of the fundamental principles and theories governing the drying process, along with basic definitions [16] [17]. B. the drying chamber which contains the apple slices being dried
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