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AN APPLICATION OF
SOLAR DRYER IN ORDER
TO REMOVE MOISTURE
AND DIFFERENCIATING
WITH SAMPLE DRIED IN
OPEN AIR.
INTRODUCTION
 The concept of drying food inorder to
preserve them is a very ancient
technique.
 Drying in the ancient ti...
……CONTINUE
Solar dryer is an economic way of
preserving food and that too using
solar energy .
No other source of conven...
……continue
Today where there is rapid demand for
conventional fuels and the fact that it
will not be available to us in t...
…..continue
The solar dryer can be of great use in
the developing countries such as
military feeding and space food
formu...
WORKING PRINCIPLE
The main principle of this low cost
solar cabinet dryer is based on
greenhouse effect where the solar
h...
…..continue
It is a mixed-mode solar cabinet dryer.
Here both direct and the indirect solar
energy collected in the chamb...
……continue
The more we heat the air, its moisture
absorbing capacity increases.
And hence it removes moisture from
the f...
EXPERIMENTAL SETUP
The materials which are used to make
the solar dryer are used in our
everyday life .And they are found...
…..continue
…….continue
OBSERVATIONS
……..continue
 Illustration of one of the samples
tested in the solar dryer is given below
CONCLUSION
 Solar dryer can be used as an
alternative in case of food
preservation .
The people can make it in their hom...
THANK YOU
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Solar dryer

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Due to the current trends towards higher cost of fossil fuels and uncertainty regarding future cost
and availability, use of solar energy in food processing will probably increase and become more
economically feasible in the near future.The solar dryer is one of them which help to preserve our food and many eatable things like vegetable fruits and many more things

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Solar dryer

  1. 1. AN APPLICATION OF SOLAR DRYER IN ORDER TO REMOVE MOISTURE AND DIFFERENCIATING WITH SAMPLE DRIED IN OPEN AIR.
  2. 2. INTRODUCTION  The concept of drying food inorder to preserve them is a very ancient technique.  Drying in the ancient times was under direct sunlight . The drying technique which is developed in todays modern world is solar drying .
  3. 3. ……CONTINUE Solar dryer is an economic way of preserving food and that too using solar energy . No other source of conventional energy is used in this process.
  4. 4. ……continue Today where there is rapid demand for conventional fuels and the fact that it will not be available to us in the near future ,in that case the need and development of non conventional sources of energy is good for the future generations .
  5. 5. …..continue The solar dryer can be of great use in the developing countries such as military feeding and space food formulations etc. One of the main advantages of solar dryer over open sun drying is that it prevents the fruits and vegetables and other eatables away from insects and flies and also from dust particles.
  6. 6. WORKING PRINCIPLE The main principle of this low cost solar cabinet dryer is based on greenhouse effect where the solar heat is trapped inside the drying chamber and thus increases the temperature level.
  7. 7. …..continue It is a mixed-mode solar cabinet dryer. Here both direct and the indirect solar energy collected in the chamber heats up the food products. And thus removes moisture from the food stuff .
  8. 8. ……continue The more we heat the air, its moisture absorbing capacity increases. And hence it removes moisture from the food stuff.
  9. 9. EXPERIMENTAL SETUP The materials which are used to make the solar dryer are used in our everyday life .And they are found easily near our locality.  Plywood, Hammer, Nail and glue, Wired mesh, Glass, Thermometer, Black paint.
  10. 10. …..continue
  11. 11. …….continue
  12. 12. OBSERVATIONS
  13. 13. ……..continue  Illustration of one of the samples tested in the solar dryer is given below
  14. 14. CONCLUSION  Solar dryer can be used as an alternative in case of food preservation . The people can make it in their homes ,especially in the developing countries where the energy demand is skyrocketing. It can be handy in times of recession . The food stuffs can be stored in this dryer and used for days
  15. 15. THANK YOU
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Due to the current trends towards higher cost of fossil fuels and uncertainty regarding future cost and availability, use of solar energy in food processing will probably increase and become more economically feasible in the near future.The solar dryer is one of them which help to preserve our food and many eatable things like vegetable fruits and many more things

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