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A schematic of a direct solar dryer. Direct solar dryers expose the substance to be dehydrated to direct sunlight. Historically, food and clothing was dried in the sun by using lines, or laying the items on rocks or on top of tents. [2] In Mongolia cheese and meat are still traditionally dried using the top of the ger (tent) as a solar dryer. [3]
A solar food dehydrator. Solar food drying involves using a solar dryer designed and built specifically for this purpose. Solar drying is distinctly different from open-air "sun drying," a simple technique used for thousands of years. A good solar food dryer may dry food much faster than some air dryers.
The solar dryer is a box-shaped stationary construction which encloses a second compartment where the clothes are held. It uses the sun's heat without direct sunlight reaching the clothes. Alternatively, a solar heating box may be used to heat air that is driven through a conventional tumbler dryer.
The presence of a fireplace, chimney and clothes dryer were a source of convective heat loss; The design was not adequate to function in polar climates. Concerns about condensation and moisture issues forming in the convection loop leading to maintenance or health issues. The additional materials and thermal mass used in construction
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A solar thermal collector collects heat by absorbing sunlight. The term "solar collector" commonly refers to a device for solar hot water heating, but may refer to large power generating installations such as solar parabolic troughs and solar towers or non-water heating devices such as solar cookers or solar air heaters. [1]
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