A solar cooker is a device which uses the energy of direct sunlight to heat, cook or pasteurize. Solar cooking with the sun 3 solar cookers are used differently. Plans for building solar cookers, solar ovens, and solar food dryers. They are inexpensive, and fold quickly for easy storage. The amount of food that you can cook depends upon the size of your cooker. Function selector cooking compartment racks rapid heating control panel overview buttons and display temperature knob. A simple, portable model that may open new horizons.
A panel solar cooker is not at all a difficult thing to build. See the paper pdf moltensalt solar cooker silicon institute of technology, bhubaneswar. You can use your solar oven any season of the year, as long as its sunny out. In the following pages there are instructions for two simple solar ovens, one to be.
The same principles are employed but instead of an insulated box only, the panel cooker typically relies on large often multifaceted reflective panels, which focus the sunlight on a cooking vessel. Most of the solar cooker designs do not have thermal storage systems and can be used for cooking when there is sunshine and cannot be used during cloudy weather or in the evening. A microwave bag included will cover most pots and this serves to keep more of the suns heat in your pot. But theres an even simpler and cheaper way of making a solar cooker. The fun panel can also be adjusted more easily for different sun angles. Place the oven thermometer inside the painted baking tin. Panel cookers are the easiest in construction and least costly to. The aim of this study was to design and assess the performance of a double reflector solar box cooker with an energy storage unit. In chapter 20 we introduce different concepts related to solar thermal energy. Solar cookers are classified into three types such as solar panel cooker, solar parabolic cooker and solar box cooker. Solar panels the vital element of this sbcs makes use of exhausted energy. Solar cooker international, panel cookers incorporate elements of box and curved concentrator cookers.
Solar development project dsdp parabolic solar cooker manufactured locally in namibia. A typical collector cooker would consist of a flat. Pdf design, construction and performance evaluation of. Food does not need stirring and there is no worry about the flames from the fire. The wall is down and the passive collector is collecting solar energy. Other types of solar cookers reach high temperatures capable of frying. Panel solar cooker the panel cooker is quite similar in operation to the solar box cooker.
Solar cooker is a promising technology in this era of energy crisis. Meals in solar cookers can take one to two hours longer to cook than in woodburning cookers but they require less attention. Another style of solar cooker is a parabolic solar cooker. Cooking pots must be black or dark in colour, and pots should have a reasonably tight lid. Table 2 comparison solar box cooker and parabolic concentrating solar cooker. Hightech versions, for example electric ovens powered by solar cells, are possible, and have some advantages such as being able to work in diffuse light. In summers you can make use of the cooker effectively and also the food will get prepared within no time. It does not have an insulated box but has large often multi faceted reflective panels. See more ideas about solar cooker, solar and solar oven.
We served hundreds of thousands of refugees in five camps helping keep them safe and secure and empowering them as they. Panel solar cooker the panel cooker operates at principle of solar box cooker. Find the user manual and the help you need for the products you own at manualsonline. Common types of solar cookers box cooker panel cooker parabolic cooker. Jim has engineered a great lowcost cooker and you will be hard pressed to find a better solar cooker at any price. You can make recipe of your choice with the help of this cooker. Assuming continued decrease in solar panel prices, we anticipate that in a few decades solar electric cooking sec technologies will be the most common cooking technology for the poor. You can build a solar cooker from all types of items if you know the best diy solar cooker plans to use. During the tests, the frequency of the manual tracking of the sun. The water heats, converts to steam and passes through a heat exchanger to the solar cooker. Results of thermal performance showed that, the parabolic solar cooker attained a maximum temperature of 86. We initiated the solar cooker project in 2006 as a way of protecting darfuri women and girls. Ppt on developments on solar cookers linkedin slideshare.
We present a cooking technology consisting of a solar panel directly connected to an electric heater inside of a wellinsulated chamber. I had been using a homemade box cooker and a more limited solar reflector cooker on and off for three or four years. Make sure your test container has black paint on it the color black will absorb the suns energy. Regardless of design, any solar cooker can only collect and use the amount of light that is available to its insolated surfaces. Insulated solar electric cooking tomorrows healthy. Solar cooker classifications and working slideshare. Go to solar cooking international for more information on the cookit. For best results, use your solar oven between 11am and 2pm. The cookit of solar cookers international is the most widely used solar cooker so far. How to make and use a solar oven with pictures wikihow. If wellmaintained these aluminized panel cookers will last for a few months. Another welldocumented design, the moltensalt cooker concentrates solar radiation onto a blackcolored water tank using a scheffler reflector. The unique feature of the cooker is that the cooking vessels is always positioned on the flat bottom of the cooker, and the reflective panels are easily repositioned with one motion to focus the sun on the cooking vessel. You can cook almost all kinds of food in your handmade solar cooker.
Break a portion of the chocolate bar, and place it on top of the cracker. The downside of panel designed solar cookers is that they generate lower temperatures than some other solar cooker styles and cannot be used for frying foods. A solar cooker is a cheap and easy way to cook all types of meals. Solar energy fun powered by the sun education fund. Consolfood 2016, international conference on advances in solar thermal food processing, faro, portugal, 2223, january, 2016 necessary developments in solar cookers to make them more popular dr ashok kundapur, solar cooker international associate kalashree, hayagreva nagara. A solar cooker with an insolated area of square inches has. It is generally assumed that a solar cooker should have some minimal capacity in order to work properly. You just need a little free time to build the solar cooker. The sun moves throughout the day, so if youre cooking something thats going to take a few. This is significant, because traditional solar panel cookers such as the cookit often require a large sheet of cardboard for construction.
Solar cookers take longer to cook food but are easy to run. Cooking with light how solar cooking works howstuffworks. Solar cookers international cookit cookers that embodies elements and principles of box and curved concentrator. If the glue and paint are all dry and it is a sunny day, you can warm up your oven in preparation for its. Not surprisingly, a box style solar oven is exactly what it says. Slip the baking tin into the transparent plastic oven bag by placing. Alternative methods of solar energy are discussed in part v. There are probably more than 200 different stove designs in existence but most of them are design prototypes there are only a few designs available on a commercial basis. At its most basic, the box cooker consists of an opentopped box thats black on the inside, and a piece of glass or transparent plastic that sits on top. It is very easy to use and is totally devoid of complexities unlike the other cookers. Below is the basic science for solar panel cookers and solar box cookers.
Solar cooking does not require any electricity but uses solar thermal energy to. A free powerpoint ppt presentation displayed as a flash slide show on id. Compared to all other energy solar energy is abundant and free that can be used to charge batteries used for any module or electrical kits which are obvious for daily usage. Figure 9 domesticsize parabolic solar concentrating cooker. And a solar concentrator oven can be used like a conventional oven. In the past three weeks, the american sun oven has turned. Solar cookers do not produce smoke and can be used by anyone to cook food. The cookit is a cheap solar cooker in which rice, pasta, lentils, vegetables, chicken. From these three kinds of cookers, parabolic cooker is most used advanced cooker and it is more efficient. Test and prepare the solar oven for use the solar oven is now ready to be tested. The cooking area is rather small and usually only one pan can be used in a panel cooker.
Free pdf ebook download at the bottom of this page. Solar water heater b solar photovoltaic spv systems c renewable energy cooking devices it has also been classified in two different categories as below. Position the oven in full sun, and put your pan of food inside. For durability, jim recommends you make your solar cooker out of coroplast. This booklet covers low to mediumtemperature solar box cookers and solar panel cookers cookits that slowly and gently cook all the foods you boil, roast or bake.
Slow cooking is different, but the differences are nice. A solar cooker, or solar oven, is a device which uses the energy of sunlight to heat food or drink to cook it or sterilize it. The fun panel solar panel cooker can be built in one to two hours from a single cardboard box, aluminum foil, a pot, and an oven bag. Sustainability 6th grade classroom overview parabolic solar cookers are a trend of innovative cooking device that. He has made the complete plans for his solar cooker available online for free for you to download. The slick cookit solar panel cooker is a good entry point for solar cooking in the uk. Solar cooker making can be done using a cardboard box with less cost in a few hours. Set your solar cooker outside to directly face the sun. Pdf in this study, three different types of solar cookers namely. Cook no more than four to five smores in one oven at a time. C on average basis and was the best followed by the boxtype solar cooker 52.
A box cooker is most effective when it is used like a crockpot slow cooking or low heat over a long time. Build a better solar cooker free plans diy alternative. You can always change the pot that is inside the solar cooker if you want to cook a good amount of food. Page 1 page 2 table of contents page 3 page 4 safety information page 5 page 6 items.
In chapter 21, which is the last chapter of the regular text, we discuss solar fuels, which allow to store solar energy on the long term in the form of chemical energy. Make a cardboard solar box oven, panel cooker, or learn about parabolic. The solar cooker is an extremely helpful invention. A parabolic solar cooker might be used like a stovetop by heating a pan or pot to a high temperature.
For instance, in the booklet your own solar box, solar cookers international sci recommends an inner box at least 45 cm x 55 cm 18 x 22. They typically require more frequent reorientation to the sun, but will cook more quickly at higher temperatures, and can fry foods. Put the container inside with about 2 inches of water and a thermometer. The smart charge controller will be designed such, so that the solar battery does not. They are simple and relatively inexpensive to buy or to produce.