Solar Cookers for Sri Lanka

Solar cookers for Sri Lanka

Sri Lanka is a sunny country and therefore it is very positive for solar cooking. But most people living in rural areas still depend on firewood for cooking their meals. They burn tons of firewood per year for this purpose. Others use fossil fuel, gas, electricity etc for which, a large amount of foreign exchange is involved. In general, any type of conventional cooking emits considerable amount of Co2 to the environment directly or indirectly.

Besides, burning firewood results in a fast deforestation which causes enormous ecological problems to the country. Any country could become a desert due to deforestation. Also, some day we might be inaccessible to the precious fossil fuel but not solar power. In any shortage of fuel, cooking is an eternal need of the mankind. Therefore, using direct solar power for cooking will be an absolute necessity for the future generations in the world. As such, now itself we must be familiarized with solar cookers.

Solar cookers for Sri Lanka

 Sri Lanka is a sunny country and therefore it is very positive for solar cooking. But most people living in rural areas still depend on firewood for cooking their meals. They burn tons of firewood per year for this purpose. Others use fossil fuel, gas, electricity etc for which, a large amount of foreign exchange is involved. In general, any type of conventional cooking emits considerable amount of Co2 to the environment directly or indirectly.

 Besides, burning firewood results in a fast deforestation which causes enormous ecological problems to the country. Any country could become a desert due to deforestation.  Also, some day we might be inaccessible to the precious fossil fuel but not solar power. In any shortage of fuel, cooking is an eternal need of the mankind. Therefore, using direct solar power for cooking will be an absolute necessity for the future generations in the world. As such, now itself we must be familiarized with solar cookers.

 Sri Lanka’s geographical location is very good for harnessing solar power. Although we use it for generating electricity, heating water etc, we are still far behind the use of direct solar power for cooking, which has an enormous advantage for the rural people. But many other countries have already started this practice.

 There are three types of solar cookers in use at present. They are: parabolic cookers, panel cookers and box cookers. Parabolic cookers are very efficient but they have to be frequently repositioned to track the sun. The user will have to stay in the hot sun and also, it is not safe for eyes. Panel cookers and box cookers don’t need frequent sun tracking.

 My experience is that, in windy days the heat loss of parabolic and panel cookers is much greater than box cookers. Therefore box cooker is better and safer to eyes than the other two types. It takes about two hours for cooking a meals in it. The user, who wants to have lunch at 12.00 noon, must keep the cooking pots in the cooker at 10.00 am and he can forget it until the meal is ready. That is why box cookers are more popular worldwide.  You can increase its efficiency by fixing reflectors to it, but for a country like Sri Lanka it is not an absolute necessity.

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