Abstract
The applications of energy in Colombia, India and Upper Volta, for which an improvement in the situation is the most urgent, are described. to a more limited extent these applications have also been investigated with respect to Niger, Pakistan and Senegal. the technical economic possibilities of achieving these improvements by means of solar energy in the period up to 1985 are discussed. Concerning those cases which offer a reasonable chance of the use of solar energy, the investigation then turns to the kind of co-operative programmes between industrialized countries and the developing countries being considered which might contribute to putting these opportunities into practice. This study has revealed the following programmes as offering the best possibilities. 1. Small thermal electric generators powered by concentrated sunlight at an operating temperature of about 300°C, the principal application being the driving of pumps for irrigation in India and Pakistan. 2. Small absorber cooling systems for India and Pakistan. 3. Drinking-water purification for Niger, Pakistan, Senegal and Upper Volta. 4. Battery-charging systems for India and Pakistan. 5. Reforestation for firewood production, close to the major towns of the Sahel countries. Furthermore, much importance is found to attach to the improving of the efficiency of cooking.
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