The main purpose of our project is replace old wood fuel stoves with an ecofriendly solar cooker. I have been reading a lot about solar technologies on the internet and have had the great chance of working. The section entitled concentrated cooker technical specifications, found on the following page, provides a summary of the concentrating cookers dimensions and technical specifications. Experimental investigation of a box type solar cooker employing a nontracking concentrator b. Some parabolic solar cookers incorporate cutting edge materials and designs which lead. Chhaapptteerr5 design of heating coil of an induction heater. Design and construction of a wooden solar box cooker with. A number of innovative designs have been developed.
Below is the basic science for solar panel cookers and solar box cookers. A parabolic solar cooker might be used like a stovetop by heating a pan or pot to a high temperature. The latest design i have come across is the saracon solar steam cooker. They can often accommodate multiple pots, and usually take between one and three hours to cook various foods. They can also be used to pasteurize water or even sterilize instruments. The tracking solar cooker copyright 1987, 1988, 1990. Design and construction of a wooden solar box cooker with performance and efficiency test. Pdf design, construction and performance evaluation of. In class, you will see the standard design for a pizza box solar oven. Solar cooking is used widely in developing countries as an alternative to wood, charcoal, coal, and dung fires, all of which create environmental problems for the country, and health problems for the cook, and they are expensive. Solar cooker presentation by kyrsten butler on prezi.
This paper outlines the basic principles of solar box cooker design and identifies a broad range of potentially useful construction materials. Nova online teachers classroom activity saved by the sun pbs. Information notes the building of the solar cookers could take up to half a day. Pal, computation of inductance and ac resistance of a twisted litzwire for high frequency. Everyday solar cooking renewable energy mother earth. 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. Everyday solar cooking well show you how to build a solar oven, so you can create savory meals while cooking without fuel. Design, construction and performance evaluation of solar cookers. Chhaapptteerr5 design of heating coil of an induction heater cooker this chapter is based on the published articles, 1.
Build a solar oven lab warren county public schools. This solar cooker requires only cheap materials and the design is. 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. This report pertains to an optical ray trace analysis of a panel type solar cooker reflector. Currently, the only solar ovens available to the solar oven team at cornell are exactly the same as those used in nicaragua. This booklet includes solar cooking concepts, solar cooker construction plans and directions for use, recipes, student activities and examples of non cooking uses of solar cookers including solar water pasteurization a basic survival skill. Solar cooking and food drying and solar stills and root cellars. Boxtype solar cooker consists of an insulated outer and inner box,metallic cooking tray sat inside the box, double glass lid on the cooking tray, and two reflecting mirrors fitted to the two sides of the lid of the box and an adjustable stand. Turkmen, modelling of a hot box solar cooker, energy convers. Solar powered cooker pros and cons of various designs. Take 1 copy of the printed cooker design half of a cooker, see pg.
Purohit b a solar energy centre, ministry of nonconventional sources, government india, block14, cgo complex, new delhi 110016, india centre for energy studies, indian institute of technology delhi, hauz khas, new delhi, india. Project solari portable solar cooker portable solar cooker. Solari eco cooker desert sketch enjoy delicious meals cooked outdoors with the energy of the sun. Solar food cookers use an arrangement of reflectors to concentrate solar energy on a cooking vessel. Vieira da silva, s olarcooking system with or without heat storage for families and institutions, solar energy 75 2003 3541 a. Solar cooking a design and technology project for key stage 2.
Diy saracon solar steam cooker homestead lifestyle. Some solar cooker designs are affected by strong winds, which can slow the cooking process, cool the food due to convective losses, and disturb the reflector. A first approach to a self made, low budget hopefully. The science behind solar cookers one earth designs. We had to answer seven questions, write a problem statement, and come to our own conclusion using the data that we produced from making the solar cooker. The target cooking area is the space where the light concentration is. The effect is similar to cooking on an open fire or stove. C department of physics, covenant university ota nigeria abstract a wooden solar box cooker was successfully constructed with cheap and locally available material with. Many of the solar cooker designs are inexpensive and easy to build. You can build a simple solar hot dog cooker for use on a sunny day. Construction plans and directions for use, recipes, student activities and examples. A box cooker is most effective when it is used like a crockpot slow cooking or low heat over a long time. One of needs most famous solar cooks, kathryn mccoy of tennessee, offers these tips for cooking with a solar oven.
Design and development of a large size nontracking solar cooker 265 journal of engineering science and technology september 2009, vol. Solar cooker reflector optical evaluation and design evolution pdf document 625kb. The solari is a modern day solar cooker, designed for a pollution. Highresolution photos for publication solar cooking archive highresolution photos for publication solar cooking archive wiki box cookers. The tracking solar cooker copyright 1987, 1988, 1990, 1992. And a solar concentrator oven can be used like a conventional oven. Construction and performance evaluation of solar cookers. Because they use no fuel and they cost nothing to run, humanitarian organizations are promoting their use worldwide to help slow deforestation and desertification, caused by using wood as fuel for cooking. We are excited to further our commitment to sustainability by introducing solar technology to our. This report pertains to an optical ray trace analysis of a panel type solar. A first approach to a self made, low budget hopefully solar.
Copies of cooking with the sun reading passage copies of the student data sheet copies of the assessment questions sunglasses for each student for each solar cooker that is built. Solar cooker design challenge solar cooker design challenge. A case study pia otte phd political science norwegian university of science and technology pia. A first approach to a self made, low budget hopefully solar cooker. This reflective solar cooker uses the suns energy to cook marshmallows. Solar cooker designs pdf spreading solar cooking to benefit people and environments. Solar cooking with the sun 3 solar cookers are used differently. Another style of solar cooker is a parabolic solar cooker. The section entitled concentrated cooker technical specifications, found on the following page, provides a summary of the concentrating cooker s dimensions and technical specifications. The pros and cons of a solar cooker focus on the dependability and the amount of attention the cooker needs while in use.
The biggest surprise for some people is that a solar cooker really works. Students will gain the understanding that solar cookers come in different designs and are simple to build. Experimental design, measuring, graphing, and data analysis. Cooking works best in the hours leading up to midday and immediately after. Solar box cookers typically cook food at temperatures between 90 c 194 f and 200 c 392 f. We will be manipulating variables and adjusting our designs in an attempt to achieve the highest internal temperatures possible. The oven mount is a fixed pedestal with a lazy susan bearing. Parabolic solar cookers are a trend of innovative cooking device that harvests sunlight, one of the most abundant and sustainable energy sources, to cook. View the video and evaluate the pros and cons of each design. To learn about the basic principles of solar cooking. Powered by create your own unique website with customizable templates. F09 concentrated solar cooker esw solar cooker project. The sides and bottom are insulated to retain cooking heat. The oven door is at counter top height and is a standard oven size.
Introduction to solar energy and solar cookers time. Harnessing the suns energy for cooking has always been something that interests me. Highresolution photos for publication solar cooking archive. Hightech versions, for example electric ovens powered by solar cells, are possible, and have some advantages such as being able to work in diffuse. The project will see 3,150 solar panels installed on the roof and ground canopy structures to generate 1,775,000 kwh of electricity annually and reducing energy costs by 30%.
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. The simple answer is that it is designed to absorb more heat than it. With an understanding of basic principles of solar energy and access to simple materials such as cardboard, aluminum foil, and glass, one can build an effective solar cooking device. Cooking with the sun creating a solar oven activity. Department of rural engineering, gujarat, conducted research on the performance of commercially available box type jyoti solar cooker and it was evaluated with respect to inside cooker temperature and cooker temperature for three insulating materials namely, fiber glass, saw dust and aak floss mixed with paddy husk ash were measured. Cooking with the sun materials environmental science institute. But what are the advantages to using a solar cooker. A solar oven or solar cooker is a device which uses sunlight as its energy source.
Solar elevation calculations for concentrated cooker. Bimbo bakeries usa bbu announced a new solar energy project for its bakery in escondido, california. A laboratory model of a box type solar cooker employing a nontracking concentrator has been designed and fabricated, and its thermal performance has been evaluated experimentally. With your class, test how long it takes to melt two. They typically require more frequent reorientation to the sun, but will cook more quickly at higher temperatures, and can fry foods. In the past i have posted many different solar cooker designs because evidently there are so many ways to build them. Temperatures can get so hot that you can fry food or pop popcorn. The parabolic solar cooker or curved concentrator solar cooker concentrates the suns heat onto the bottom or the sides of a potsimilar to a stovetop. However, my aim was to demonstrate the science principles rather than make something capable of cooking lunch although smores would probably work. A canning jar painted flat black works fine to boil water.
My end result was more like an environmentally friendly easybake oven than a proper cooker. The advantages are speed and the potential to cook when it is cool outside. This article is my attempt at documenting my experience making a parabolic solar cooker. This allows the cooker to track the sun all day long. The solar elevation angle is the angle formed between the sun and the horizon. Various cooker designs 1 of 4 various cooker designs 2 of 4. Conditions were not 100 percent for testing on day 1. A solar cooker is a device which uses the energy of direct sunlight to heat, cook or pasteurize. Solar cooking can make a world of difference if we each use it on sunny days and. Sustainability 6th grade classroom overview parabolic solar cookers are a trend of innovative cooking device that. The solari is a modern day solar cooker, designed for a pollution free, stress free, fuel free outdoor cooking experience. Principles of solar box cooker design quang minh nguyen. F1 and f2 in order to make comparison of the cooker against the. It may be necessary to anchor the reflector, such as with string and weighted objects like bricks.
Solar cooker lab report christopher bohrs portfolio. The advantages and disadvantages of a solar cooker. The simple answer is that it is designed to absorb more heat than it releases. The water temperature needs to reach 150 degrees for 15 seconds to kill bacteria. The tracking mechanism uses a very small amount of electrical energy making it possible to operate the oven on small batteries and a photo cell charger. Build a solar oven lab solar ovens use solar energylight and heat emitted from the sunto cook food. This lab report relates to the organization and analysis of data because we had to do a lab report as shown above. Solar cookers international advocates for and provides education on solar cooking. They explore the concepts of insulation, reflection, absorption. These ovens work well and are invaluable for tests aimed to improve the efficiency and effectiveness of the nicaraguan ovens. Experimental investigation of a box type solar cooker. A solar cooker is a device which uses the energy of sunlight to heat food or drink or to sterilize it. The container of food is placed inside the solar cooker, perhaps elevated on a brick, rocks, metal trivet, or other heat sink, and the solar cooker is placed in direct sunlight. To safely cook red meat you need to reach a temperature of degrees fahrenheit for 3 minutes.
There are three typical solar cooker designs, heat trap boxes, parabolic, and panel cookers. Thehawkeyesolar mechanical engineeringsenior cooker. Students learn about using renewable energy from the sun for heating and cooking as they build and compare the performance of four solar cooker designs. While there are many designs for solar cookers, a simple solar cooker can be. Consider which design type would work best for the task of heating water during late september early october in wyckoff, nj.