Explain the solar dryer in details.
Answers
A solar dryer is another application of solar energy, used immensely in the food and agriculture industry. Though sun is still used as the direct source for drying food items and clothes in certain parts of the world. An indirect source of solar power can also be used for the same purpose in the form of a solar dryer. The main disadvantage of drying directly under the sun is contamination – dirt, animals, insects etc. Also there is a fear of sudden change in weather conditions like wind or rain.
Explanation:
Solar dryer are the devices which uses solar energy to dry substances. This type of solar device is used to cook food or dry the food.
It is the old way to use solar energy. First it was used in South France at about 8000 BC.
In this system a chamber (usually a black colored box) takes the solar energy and the solar radiation reflects through the reflectors or the mirrors. Reflectors are focused at target Where the food is being placed. All the solar energy is helps to heat up the food. The box is colored black to heat up the substance.