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close this bookAppropriate Community Technology - A Training Manual (Peace Corps; 1982; 685 pages)
View the documentThe Farallones Institute Rural Center
View the documentCHP International, INC.
View the documentPreface
View the documentAcknowledgments
View the documentIntroduction
Open this folder and view contentsPhase I: Introduction to training
Open this folder and view contentsPhase II: Earthen construction and fuel-saving cookstoves
Open this folder and view contentsPhase III: Pedal/treadle power
Open this folder and view contentsPhase IV: Solar water heaters
close this folderPhase V: Solar agricultural dryers
View the documentPhase V Calendar
View the documentSession 1. Introduction to agricultural dryers
View the documentSession 2. Tour of solar dryers
View the documentSession 3. Solar agricultural dryer design procedures and rules of thumb
View the documentSession 4. Two-hour dryer construction
View the documentSession 5. Review of existing solar dryer plans
View the documentSession 6. Smoke testing solar dryers
View the documentSession 7. Introducing new technologies: solar dryers
View the documentSession 8. Design of solar agricultural dryers
View the documentSession 9. Site selection and preparation
View the documentSession 10. Construction of solar agricultural dryers
View the documentSession 11. Issues and methods in development and diffusion of appropriate technology
View the documentSession 12. Natural cooling
View the documentSession 13. Approaches to health systems
View the documentSession 14. Nutritional gardening
View the documentSession 15. Practical drying tips
View the documentSession 16. Cardiopulmonary resuscitation
View the documentSession 17. Dryer assessment and modification
View the documentSession 18. Introduction to cost benefit analysis (cba)
View the documentSession 19. Presentation of solar dryers
View the documentSession 20. Introduction to the final phase of the training program
Open this folder and view contentsPhase VI: Concluding the program: The energy fair
Open this folder and view contentsAppendices
 

Session 2. Tour of solar dryers

Total time:

1 hour

Objective:

To examine and discuss existing solar dryers

Materials:

A variety of solar dryers, a bee smoker or other smoke source and dried fruit or vegetables

Trainer Notes

The following preparation will be necessary for this session:

* Construct a variety of solar dryers to be used as samples.

* If there are dryers already available, arrange and repair them so that they can be demonstrated efficiently.

* Put some food into the dryers one or two days in advance so that participants can see how the dryers work.

Procedures:

Step 1. (5 minutes)
Review the session objective and activity.

Step 2. (55 minutes)
Demonstrate and explain each of the sample solar agricultural dryers that are available.

Trainer Notes

* Encourage questions, comments and discussion.

* Have the participants examine each dryer carefully. Discuss how each one works, their pros and cons, etc.

* Have some dried fruit or vegetables to distribute for tasting.

* If it is a sunny day, blow smoke into the dryers and have participants note the air flow pattern and rate.

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