Solar cooker designs pdf files

Solar cooker design notebook check do not build anything. Begin by brainstorming and sketching different designs for a solar cooking device. Teams must be able to discuss their cooker design with a panel of judges, as well as be able to explain how solar cookers work. An advantage of a panel solar cooker is that most can be collapsed. Align and loosely tape the design sheet on the other side of the paper nonreflective side. Finally the results of questionnaire indicated that 74% believe that solar cookers were economically feasible and could protect the environment. Another design similar to parabolic cookers is the butterfly or papillon cooker, which is widespread in tibet and west africa. Pdf design optimization of solar cooker researchgate. Starting from a conventional box type cooker, various combinations of booster mirrors have been studied to arrive at a final design, aimed at providing a cooker, which can be fixed on a south facing window for countries of northern hemisphere, mainly situated near the tropic of. Heres how to make a simple solar oven that gets hot enough to warm up cookies and other treats, like smores. 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. Test data published by other researcher is compiled and a new set of parameters is suggested for testing solar cookers, reflectors, and insulating material.

Design, construction and performance evaluation of solar cookers. C department of physics, covenant university ota nigeria abstract a wooden solar box cooker was successfully constructed with cheap and locally available material with. According to solar cooker international, solar box. Knowing the pros and cons of various cooker designs can help you decide which one best suits your needs or fits your imagination. Solar cooking and food drying and solar stills and root cellars. Devices designed to desiccate dryers are not covered. Design and construction of a wooden solar box cooker with performance and efficiency test. It is very easy to use and is totally devoid of complexities unlike the other cookers. Solar cooking with the sun 3 solar cookers are used differently. Any type of food, p articularly food that needs a long cooking time such as beans, samp, rice, meat stews and porridge can be cooked in a solar cooker. And a solar concentrator oven can be used like a conventional oven. This page also covers solar food dryers, solar stills to purify water, and root cellars for storing food. This lesson as written has students explore the effectiveness of different solar oven designs that use the sun to heat their oven. An ovenbox design also allows for more insulation options.

Other creative designs of solar cookers can be found here. Out of these cookers only paraboloid type solar cooker have received the commercial attention. To create the base of the solar cooker, cut a piece of cardboard that will fit the opening at the base of the solar cooker. 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. In this study, three different types of solar cookers namely. Vieira da silva, s olarcooking system with or without heat storage for families and institutions, solar energy 75 2003 3541 a.

There are many designs for parabolic solar cooking appliances. The advantages are speed and the potential to cook when it is cool outside. Design and construction of a wooden solar box cooker with. Types of solar cookers basically, there are 3 types of solar cookers available on the market. For durability, jim recommends you make your solar cooker out of coroplast.

Graphical visualizations of acquired data are shown below for temperature, wind speed and solar irradiance. In general, solar cookers work best on bright, sunny days, and when the sun is high. To more fully address the performance expectation, students should first explore the scientific ideas behind solar radiation and its transfer of energy to the earths surface via sunlight. Build your own solar oven page 6 of 6 a renewable energy project kit the pembina institute 5. Solar cooking does not require any electricity but uses solar thermal energy to cook the food. Pdf various designs of solar cookers have been theoretically investigated with a view to optimize their performance. Allow the cooker to reach its maximum temperature about 200 degrees c or higher and maintain that for an hour or more. Cooker and cooking potlid were supplied by the requester. Solar cookers dont work at night or on cloudy days. They typically require more frequent reorientation to the sun, but will cook more quickly at higher temperatures, and can fry foods.

There are three typical solar cooker designs, heat trap boxes, parabolic, and panel cookers. Extra design points will be given for unusual designs and creative use of materials such as. A transparent heat trap around the dark pot lets in sunlight, but keeps in the heat. Solar cooker designs just as there are many kinds of conventional cookers ovens, stovetops, broilers, microwave ovens, there are many kinds of solar cookers. Food cooks best in dark, shallow, thin metal pots with dark, tightfitting lids to hold in heat and moisture. Jim has engineered a great lowcost cooker and you will be hard pressed to find a better solar cooker at any price. It wont get really hot, though, so you cant bake things in it and you wont burn yourself when playing with it.

Also the results of the solar cookers, efficiency for the parabolic cooker, boxtype and paneltype were found to be 31. Today there are over 60 major designs and more than 100s of variations 1. A parabolic solar cooker might be used like a stovetop by heating a pan or pot to a high temperature. In addition to a flat cooking surface, you will want a 3d device to reflect the rays of the sun onto the food item. Pdf design, construction and performance evaluation of.

Solar cookers solar cookers are used to cook food and pasteurise water for safe drinking. Design, construction and performance evaluation of abox type solar. It is a device that allows you to cook food using the suns energy as fuel. A solar cooker is a device which utilizes solar energy to cook food. 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. Following customers approval, files of raw data for this threeday test will be available at the sci pep website, for sci. Solar oven plans in pdf cookware and bakeware tools scribd. Solar cookers do not produce smoke and can be used by anyone to cook food. 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. Kathy dahlbredine developed the windshield shade solar cooker while experimenting with various designs of cookers to introduce in the indigenous communities where kathy lives and works in southern mexico. They also can help keep your house cool in the summer by keeping the cooking heat outside. Abstract a complete design and simulation of a parabolic dish solar cooker was carried out. It consists of a single piece of cardboard with aluminum that is folded into a panel that acts like a reflector. However, because of this very specific property, the parabolic solar cooker must constantly be realigned with the orbiting sun for maximum effectiveness.

The primrose solar panel cooker english, french, german, and spanish. Various designs of solar cookers have been theoretically investigated with a view to optimize their performance. The primary goal of this appropriate technology project is to consolidate existing information on solar cooking, as well as evaluate materials and design techniques utilized for the construction of widely used solar box cooker models. They explore the concepts of insulation, reflection, absorption, conduction and convection. Parvati solar cooker twelve sided english, french, spanish. A paraboloid solar cooker is a spherical parabolic cooker. In solar panel cookers, sunlight is concentrated from above 1. Bonneville environmental foundation bef one adaptation to this solar cooker design is to add a deeper box for cooking larger dishes. The reflective open box cooker english, french, portuguese, spanish. Sci conducted preliminary tests on the cookit reflectivepanel solar cooker in accordance to the asae s580. Solar panels, batteries, wind turbine, diesel generator, inverter and controller. It will walk you through the process of building a simple solar cooker, using the cooker, and teaching simple solar cooking concepts to others. Another style of solar cooker is a parabolic solar cooker.

Many of the solar cooker designs are inexpensive and easy to build. In summers you can make use of the cooker effectively and also the food will get prepared within no time. Because of the parabolic shapes and with the aid of reflecting material quite a. Then, as time permits, they make and eat quickcooking food like marshmallow and chocolate smores. You can make recipe of your choice with the help of this cooker. One of needs most famous solar cooks, kathryn mccoy of tennessee, offers these tips for cooking with a solar oven.

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. Dark surfaces get very hot in sunlight, whereas light surfaces dont. An effective solar cooker will use the energy of the sun to heat a cooking vessel. The sci standard pep test station was used for automated, realtime data acquisition for wind speed, solar irradiance, geographic position, and ambient. Build a better solar cooker free plans diy alternative. The best solar cooker designs available alternative energy. A box cooker is most effective when it is used like a crockpot slow cooking or low heat over a long time.

You can bake bread, cake, scones and even meringues in a solar cooker, although the box cookers are more suit able for baking than the reflector cookers. Proposed protocol for testing solar cookers clean cooking alliance. Take 1 copy of the printed cooker design half of a cooker, see pg. We have been fortunate enough to meet jim, talk with him oneonone about his design, and learn to make one of his solar cookers during a class in san diego. Investigating parabolic solar cookers geometry expressions. Turkmen, modelling of a hot box solar cooker, energy convers. They use a free, renewable energy source and do not pollute the environment.

Build a solar oven student page imagine and plan below is a graph showing data that demonstrates the efficiency of three different solar oven designs. You can make a small cooker out of a shoe box will fit 2 hot dogs or 2 smores or a large cooker out of a pizza box to cook dinner for. Solar cooker tests, exergy, efficiency, standardization in testing and reporting. A solar cooker is a device which uses the energy of sunlight to heat food or drink or to sterilize it. To create a solar cooking experience that is as convenient as a traditional oven. This means that you can use a solar oven anywhere that has lots of sun. Because solar cookers use the sun as their source of heat, they save natural resources. Every component is selected and explained in the paragraphs below. This design utilizes two boxes as the base of the solar cooker. Link downloads the pdf which details how to make the cookit, and discusses solar cooking.

There are some general designs of solar cookers that are commonly used and even in each category there are variations in design. He has made the complete plans for his solar cooker available online for free for you to download. Where you live and the weather can affect how well a solar cooker cooks food. Nova online teachers classroom activity saved by the sun pbs. Well put this knowledge together and design build a solar. What follows below are step by step instructions that will help you to. Solar ovens are simple devices that capture heat from the sun with a reflective surface thats. A canning jar painted flat black works fine to boil water. She hit upon an utterly simple way to make an instant portable solar oven. Allow the cooker to reach its maximum temperature about 200 degrees c or higher and maintain that for an hour. Build a pizza box solar oven background the sun is hot enough to bake food.

Below is the basic science for solar panel cookers and solar box cookers. The pentagon star cooker english, french, portuguese. 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. Temperatures can get so hot that you can fry food or pop popcorn. The simplest type of solar cooker is the cookit shown in figure 1. Introduction to solar energy and solar cookers time. Solar cookers can be built in a variety of ways, but there are three important elements necessary in building any solar cooker. Pdf solar cooking is one of the best clean and environment friendly option for developing as. The designed system will consist of many components that need choosing.