Project report on solar cooker using parabolic reflector. Allow the cooker to reach its maximum temperature about 200 degrees c or higher and maintain that for an hour or more. It is a clear fact that there are countless styles of solar cookers in the world, and they are continually improved by researchers and manufacturers. Solar cooker is used for cooking foods mainly in rural areas by using solar energy.
The amount of food that you can cook depends upon the size of your cooker. Parabolic solar cookers use a parabolic shaped reflector to direct sunlight to a small area in order to generate heat for cooking. Make sure the distance between the uprights matches the diameter of your reflector, and make the uprights almost as tall. If you plan to use your solar cooker on a regular basis to ensure healthier cooking and energy savings, or only intend to use your cooker on lovely sunny days to replace your weekly braai. A parabolic solar cooker might be used like a stovetop by heating a pan or pot to a high temperature. The solari is a modern day solar cooker, designed for a pollution free, stress free, fuel free outdoor cooking experience. This project report on solar cooker using parabolic reflector explains about construction and fabrication procedure of solar cooker. The cookit is a cheap solar cooker in which rice, pasta. Parabolic cookerswhich use a parabolic mirror to focus the sunlight to a central point at which the cooking container is placedare capable of generating high temperatures, but they are more difficult than the box cooker to construct. The solar cooker was tested for cooking rice, pulses, grains. They are simple and relatively inexpensive to buy or to produce. A solar cooker is a container or a device that traps solar energy and helps in heating and cooking food.
How to make, use and enjoy solar cookers international. 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 bigger the value of k, the larger the cooking pot. Electric solar cooler is an essential appliances to save the electric energy, it is basic need where the electric energy is not available, as in small towns and rural areas it bipurpose device, it may run by solar as well as electric energy. A complete design and simulation of a parabolic dish solar cooker was carried out. Design and construction of a wooden solar box cooker with. Solar panel cookers combine elements of the box cooker and the parabolic cooker. I have been reading a lot about solar technologies on the internet and have had the great chance of working. If the day is sunny, clear, and warm, the temperature inside the cooker should begin to reach 100 degrees c or more within 20 minutes or so. The solar oven teams from previous years have made several attempts at achieving an effective concentrated cooker design. They are able to reach high temperatures, 350 c 662 f or higher, which allows them to be used for grilling and frying. However, when it came to testing, we faced challenges such as the way the. A solar cooker is a device that can cook food or boil water using only thermal.
The solar oven team here at cornell has continuously collaborated with organizations in nicaragua to improve upon the implemented solar box cooker design. Characterisation and design methods of solar cookers. Information about solar cookers linkedin slideshare. A first approach to a self made, low budget hopefully solar. Durability repairs should be infrequent and easily performed. Solar oven page 6 of 6 a renewable energy project kit the pembina institute 5. A solar cooker is a device which uses the energy of direct sunlight to heat, cook or pasteurize drink and other food materials. The inspiration for my parabolic solar cooker was actually a large cardboard box from an industrial shelving unit in my garage. It should be noted that the temperature inside box type solar cooker can go from 100 0 c to 140 0 c within 2 to 3 hours when placed in sunlight. Results of thermal performance showed that, the parabolic solar cooker attained a maximum temperature of 86. A solar cooker with an insolated area of square inches has. This cheap yet relatively effective design could be used to fight hunger, murder, deforestation, desertification, and global warming. It can also replace the traditional stoves burnt on firewood in remote parts of our country thus retaining our forests and ecological biodiversity. Solar power panel shiny metal reflectors cooks food hot fries an egg.
Energy and exergybased thermal analyses of a solar. It explains advantages and disadvantages of solar cooking and the challenges to change traditional cooking habits. This particular parabolic solar cooker is also useful because it has an expansion pipe which allows the angle of the reflective dish to be adjusted while cooking. Sustainability 6th grade classroom overview parabolic solar cookers are a trend of innovative cooking device that harvests sunlight, one of the most abundant and sustainable energy sources, to cook. Performance evaluation of a parabolic solar dish cooker in yola, nigeria. Regardless of design, any solar cooker can only collect and use the amount of light that is available to its insolated surfaces. Many solar cookers currently in use are relatively inexpensive, lowtech devices, although some are as powerful or as expensive as traditional stoves, and advanced, largescale solar cookers can cook for hundreds of people. A solar cooker can cook anything that can be cooked in a conventional oven. He then put both the parabolic cooker and a solar box oven cooker out in the sun at about the same time and measured their subsequent temperature rise. Solar cooker project of ades abstract the article describes the contribution of the ades solar cooker project in the south of madagascar. This is an instructable to show how to make a parabolic solar oven out of plywood. The solar cooker is a better and organic way to cook food which benefices at the same time the environment. Information notes the building of the solar cookers could take up to half a day. Abdoulaye toure, built and introduced the first solar cooker in senegal in 1990.
Solar cooker international, panel cookers incorporate elements of box and curved concentrator cookers. Other articles where parabolic cooker is discussed. A box cooker is most effective when it is used like a crockpot slow cooking or low heat over a long time. Information about solar cookersa solar cooker is a device which utilizes the power of the sun in cooking food and sterilizing water. The box cookers currently used by the women in nicaragua reach temperatures up to 180 degrees centigrade 350 fahrenheit, which is high enough to cook food, but falls short of the. Since all catenaries are similar, changing a can be thought of as zooming in or out. Here we discuss the science and environmental effects. Rough plans for parabolic trough solar cooker introduction the parabolic trough cooker or cylindroparabolic solar cooker has several advantages over other solar cookers. It can be used to cook all types of food vegetables, fruits, meat, cereals, bread, etc. A promising idea for solar cooker was introduced by bernard of france in. Nov, 2014 aim of project using solar energy baking of a hot dog we do this with the help of of parallel lines and focus of parabola 4. Solar cooking is slower than traditional cooking methods and consequently enables the production of healthier dishes, preserving both. Options for using solar cookers in developing countries. A utilisation efficiency of 47 % was achieved, the exergy efficiency was 0.
Concentrated cooker final report esw solar cooker project. Building a diy parabolic solar cooker recoil offgrid. Another solar cooker type is the concentration type where the solar radiation is directed to convey at a point called the focal point where the cooking pot is placed kulkarni et al, 1997, patel et al, 2000, hussein et al, 2008. A standalone parabolic dish solar cooker for african. Cooking with solar ovens and parabolic reflector cookers. With the help of our team of knowledgeable professionals, we are able to provide top quality solar cooker parabolic type 1. A smallscale photovoltaic and thermal hybrid casseroletype solar cooker has been developed and tested for various food recipes. Very easy to con struct, the solar panel cooker has neither glass nor. Peter pedals purchased a slim thermometer that can be inserted into a small hole which he drilled in the lid of a camp oven. A first approach to a self made, low budget hopefully.
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. A canning jar painted flat black works fine to boil water. A paraboloid solar cooker is a spherical parabolic cooker. The cookit of solar cookers international is the most widely used solar cooker so far. A solar cooker needs an outdoor spot that is sunny for several hours and protected from strong wind, and where food will be safe. Vieira da silva, s olarcooking system with or without heat storage for families and institutions, solar energy 75 2003 3541 a. The fact that the catenary solar cooker is probably much cheaper to manufacture than a parabolic solar cooker makes it a strong competitor. Introduction to solar energy and solar cookers time. Construction of box type solar cooker the main parts of a box type solar cooker are. A wide variety of parabolic solar cooker options are.
Turkmen, modelling of a hot box solar cooker, energy convers. Using graph paper,contruct a parabola of known eqnyk4ax2. Solar cooking the netherlands kozon annual report 2017 for the environment, health and economic independence solar cooking kozon 2017 1 organisation 2nd anniversary 110 jobs in projects 43. Objectives by splitting into 23 person groups, students work in teams to build a mini solar cooker model that embodies the basic principles of a. Construction of solar cookers and driers sustainable klamath. To learn about the basic principles of solar cooking. Today, solar cookers are globally used and continue to grow in popularity. Aim of project using solar energy baking of a hot dog we do this with the help of of parallel lines and focus of parabola 4. With this in mind, dozens of research institutes developed solar cookers. Out of these cookers only paraboloid type solar cooker have received the commercial attention. The angle of the sun is represented by the sag of the. The plane mirror reflector increases the efficiency of solar cooker by reflecting more and more sunlight inside the box. Here we discuss the science and environmental effects of a solar cooker through handson activities. Solar cookers dont work at night or on cloudy days.
In this model, a only changes the size of the catenary. A wide variety of parabolic solar cooker options are available to you, such as vacuum solar collector. It has been suggested that solar cooking and the box cooker. With its 360 reflecting surface, and dark bottom attracting heat, we found the object very efficient. A block of wood is used as an insulator under the jar. Investigating parabolic solar cookers geometry expressions. Solar cookers also enable some significant processes such as pasteurization and sterilization. Solar box cooker operation one of the beauties of solar box cookers is their ease of operation. This solar cooker requires only cheap materials and the design is so simple. Too big to fit in the recycle bin and made of the heavy, doublethickness corrugated cardboard thats a pain in the ass to break down, it ended up being the perfect free material for a reflector body. Set your solar cooker outside to directly face the sun.
A solar cooker or solar oven is a device that utilizes solar energy to cook food. Principle and working of box type solar cooker it is well known fact that a black coloured surface absorbs more heat than a white surface. Solar cookers can generally belong to one of three categories. To learn about the problems which come with cooking in the developing world and how solar power can help. However, because of this very specific property, the parabolic solar cooker must constantly be realigned with the orbiting sun for maximum effectiveness. This article is my attempt at documenting my experience making a parabolic solar cooker. Solar cookers only require clear skies and healthy sunshine to work. Theoretical investigation of hot box solar cookers having. Solar development project dsdp parabolic solar cooker manufactured locally. Solar cooking with the sun 3 solar cookers are used differently.
It is also large enough to capture and concentrate enough sunlight to boil water in 10 minutes. For midday cooking at 20 n 20 s latitude, solar box cookers with no reflector need little repositioning to face the sun as it moves across the midday sky. A solar cooker has a mirror that helps in letting the suns uv rays in and converts it into infrared light rays. Solari eco cooker desert sketch enjoy delicious meals cooked outdoors with the energy of the sun. The sun parabolic solar cooker works like a stove top burner.
And a solar concentrator oven can be used like a conventional oven. C on average basis and was the best followed by the boxtype solar cooker 52. A suspended box solar oven with four number foldable mirror. Sbc solar box type cooker spm suspended particulate matter spreri sardar patel renewable energy research institute. But what are the advantages to using a solar cooker. A standalone parabolic dish solar cooker for african conditions. The solar cooker was tested under winter conditions in south africa, and each cooking test was done according to international standard procedures for testing solar cooker performance. With the help of our team of knowledgeable professionals, we are able to. The cooker can be used fo r boiling water as well as cooking in an isolation.
Put the container inside with about 2 inches of water and a thermometer. One team made a shallow, modular threedimensional parabolic reflector, which was too small and inexactly executed to achieve any results. Project solari portable solar cooker portable solar cooker. Pdf design, construction and performance evaluation of. Solar cooking and development of solar cookers appropedia. Performance evaluation of a parabolic solar dish cooker in. Make sure your test container has black paint on it the color black will absorb the suns energy. The testing and cooking needs to be done on a very sunny day and would be well suited to demonstration at a school fete or green day. Characterisation and design methods of solar cookers klemens schwarzer a, maria euge.
It provides the instant fryinggrilling power of a pure parabolic cooker, and yet easier to construct because the reflective surface is only bent along one dimension. It will walk you through the process of building a simple solar cooker, using the cooker, and teaching simple solar cooking concepts to others. Solar cookers how to make, use and enjoy 10th edition, 2004. Aug 11, 2017 the base for this solar cooker design is a simple 2. The gtzdme solar cooker field test in south africa 5. I use a piece of 2x4 board which is cut into a square nominally 4 x 4 by about 2 thick. Technology and development be merged into this page or section. Everyday solar cooking renewable energy mother earth. One of needs most famous solar cooks, kathryn mccoy of tennessee, offers these tips for cooking with a solar oven. It is a device that allows you to cook food using the suns energy as fuel. These temperatures are significantly higher than what can be reached by a solar box cookers or solar panel cookers and allow the cooking.