SOLAR COOKER. - ppt download

ABSTRACT Solar cooker is a device that allows you to cook food using the sun’s energy as fuel. Depending on where you live and how you cook, solar cooking can save you time, work and fuel. And it’s environmentally benign. The demand for the energy is increasing with the increase in population day and at the same time the generation of energy by using fossil fuel’s is decreasing . The growing energy demands some alternative sources like energy that to non- renewable energy from sun is being developed. So in the present work we are studying about solar energy usage by solar cooker And construction of solar cooker.
Depending on where you live and how you cook, solar cooking can save you time, work and fuel. And it’s environmentally benign. The demand for the energy is increasing with the increase in population day and at the same time the generation of energy by using fossil fuel’s is decreasing . The growing energy demands some alternative sources like energy that to non- renewable energy from sun is being developed. So in the present work we are studying about solar energy usage by solar cooker And construction of solar cooker..
Depending on where you live and how you cook, solar cooking can save you time, work and fuel. Slow cooking is different, but the differences are nice. Slow cooking retains flavor, moisture and nutrients, and makes meats tender..
PRINCIPLES Fuel: Sunlight Convert sunlight to heat energy.
Retain heat Capture extra sunlight.
IN 1767 – SWISS HORACE DE SAUSSURE(FRENCH) IN 1830 –BRITISH ASTRONOMER JOHN HERSCHEL. IN 1881-SAMUEL P.LANGLY & MT.WHITNEY. IN 1860-ALGERIA. IN 1970 DISAPPERING TREES..
A box type cooker consists of insulated box with a glass cover and a top lid, which has a mirror on its inner side to reflect sunlight into box when the lid is kept open. The inner part of the box is painted black usually four block painted vessels are placed inside thebox along with the materials. A normal box cooker of 0.6m*0.6m size having a weight of around 12kgs. The capable of cooking 2kgs of food and can save 3 to 4 LPG cylinder a year if used regularly..
Types of solar cookers. Dish type solar cooker. Indoor type solar cooker. Solar steam cooking. Heat trap boxes..
Solar cookers are life-saving devices for those in sunny, fuel-scarce regions. It cooks up to 4items at a time. It preserves the nutrition value of the food. It does not require constant attention. It is pollution free..
Peoples breath the smoke. Trees get cut. Mothers spend too much time collecting wood. The smokes add to global warming..
By using this solar cookers to reduce the pollution in the environment. The solar cooker is the most self sufficient and decentralized cooking instruments . The solar cooker is a lifetime asset. Handled with care it can last 15 years or more. There is no moving part in it to go wrong.

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