Solar cooker reflector optical evaluation and design evolution pdf document 625kb. 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. Margo fernandezburgos sarah tracywanck jordan schmidt. The payback has decreased, making solar energy much more attractive now than in 2003. 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 cookit of solar cookers international is the most widely used solar cooker so far. A parabolic solar cooker might be used like a stovetop by heating a pan or pot to a high temperature. It is a device that allows you to cook food using the suns energy as fuel.
Fabrication of the cooker is very easy and so cost of labour is also lowered down. The cookit is a cheap solar cooker in which rice, pasta. Solar energy has advanced greatly since 2003, when a consumers guide. 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. Solar panel cooker designs incorporate elements of box and parabolic cookers. So, this type of solar cooker is used to cook only those food materials which require gentle heating.
A solar cooker or solar oven is a device which utilizes solar energy to cook food. Slow cooking is different, but the differences are nice. One of needs most famous solar cooks, kathryn mccoy of tennessee, offers these tips for cooking with a solar oven. A first approach to a self made, low budget hopefully. The solar cooker was tested for cooking rice, pulses, grains. Differentiate between radiation, conduction and convection, the three mechanisms by which heat is. Solar cookers do not produce smoke and can be used by anyone to cook food. It is very easy to use and is totally devoid of complexities unlike the other cookers. Proposed protocol for testing solar cookers clean cooking alliance.
They also help slow deforestation and desertification. That is plenty since food starts to cook at 180 degrees f. I first compared cooking times and cost data of regular gas stoves and solar cookers. A solar cooker is a device that uses sunlight from energy. Building the all season solar cooker thanks for your interest in the all season solar cooker assc. Build your own solar oven page 6 of 6 a renewable energy project kit the pembina institute 5. I examined solar cooker use amongst retirees in chandigarh, india to determine factors affecting cooker diffusion. Pdf design, construction and performance evaluation of. Another style of solar cooker is a parabolic solar cooker. Project solari portable solar cooker portable solar cooker.
Solar energy, in particular, has large potential in india because the country receives 5000 trillion kwh every year. In this study, three different types of solar cookers namely. Solar cooker project of ades abstract the article describes the contribution of the ades solar cooker project in the south of madagascar. 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. Parabolic cookers 1 box cookers solar box cookers sometimes called solar ovens are the most common and inexpensive type of solar cookers. Instructions to use a solar cooker solar association tiloo. What links here related changes upload file special pages permanent link page. They use a free, renewable energy source and do not pollute the environment. Solar cookers are also sometimes used for cooking outside, especially when using fire is risky or there is no fuel. Solar cookers take longer to cook food but are easy to run.
Food does not need stirring and there is no worry about the flames from the fire. Allow the cooker to reach its maximum temperature about 200 degrees c or higher and maintain that for an hour. This report pertains to an optical ray trace analysis of a panel type solar cooker reflector. Solar cooking with the sun 3 solar cookers are used differently. Solari eco cooker desert sketch enjoy delicious meals cooked outdoors with the energy of the sun. Building your own solar cooker is a great way to cook meals using the power of the sun. An inexpensive, aluminized cardboard panel cooker can heat food up to 250 degrees fahrenheit. Abstract solar cooker is a device that allows you to cook food using the suns energy as fuel. I have been reading a lot about solar technologies on the internet and have had the great chance of working. Within this context, wipo has started the project developing tools. They typically require more frequent reorientation to the sun, but will cook more quickly at higher temperatures, and can fry foods.
Put the solar cooker into the sun approximately one hour before you begin to cook in order to heat it up to 100 degrees or more. I have tried to make my own panel cooker, yet it barely got hot. 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. Induction cooking is derived from the principle of electromagnetic induction by inducing eddy currents in the coil that get excited in the ferromagnetic material to cause heating 1. Panel cookers are capable of cooking up to approximately 140 c 284 f. 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. Solar energy, with a focus on photovoltaics, which is the technology that allows to convert energy transported in light directly into electrical energy. Meals in solar cookers can take one to two hours longer to cook than in woodburning cookers but they require less attention. These work best in tropical climates or in the warmer months when wind and heat loss are not an issue. Another benefit of solar cooking is that unlike cooking with fire, solar cookers dont pollute the air. But what are the advantages to using a solar cooker. To know about what is a solar cooker and its working, lets have a look into how to make a solar cooker, various advantages and disadvantages of a solar cooker. In summers you can make use of the cooker effectively and also the food will get prepared within no time. A smallscale photovoltaic and thermal hybrid casseroletype solar cooker has been developed and tested for various food recipes.
The solar cooking saves a significant amount of conventional fuels. A canning jar painted flat black works fine to boil water. Other types of solar cookers reach high temperatures capable of frying. Use the principles of radiation, conduction and convection to design and build a simple solar oven that will collect and retain enough heat to warmup food or water. Solar cookers solar cookers are used to cook food and pasteurise water for safe drinking. What follows below are step by step instructions that will help you to be successful in your first effort to build this cooker. Design and construction of a wooden solar box cooker with performance and efficiency test. In this research, solar energy is used as a source of power for the induction stove. Options for using solar cookers in developing countries. Suitable thermal tests have been proposed and appropriate parameters identified, which pertain to the solar cooker and are relatively independent of the climatic. This report pertains to an optical ray trace analysis of a parabolic type solar cooker. The solari is a modern day solar cooker, designed for a pollution free, stress free, fuel free outdoor cooking experience. It explains advantages and disadvantages of solar cooking and the challenges to change traditional cooking habits.
Depending on where you live and how you cook, solar cooking can save you time, work and fuel. I build all my asscs using 4mm corrugated plastic sheets. Solar cooker international, panel cookers incorporate elements of box and curved concentrator cookers. The cooker plate tem perature, the ambient temperature and the total in solation on a horizontal surface are recorded at reg ular intervals of time. Temperatures can get so hot that you can fry food or pop popcorn. 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. They often have a large reflector area and the cook pot has some form of enclosure to retain heat. Nevertheless the solar cooker was designed in the year 1950. The average flux of solar energy hitting the planets surface is about. And a solar concentrator oven can be used like a conventional oven. The organisation of this book is roughly linked to the three lectures on photovoltaics pv, that are given at. 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. Thehawkeyesolar mechanical engineeringsenior cooker. She hit upon an utterly simple way to make an instant portable solar oven.
Here we discuss the science and environmental effects of a solar cooker through handson activities. The panel solar cooker uses reflective panels to focus sunlight onto a pot. Solar powered induction cooking system sciencedirect. A case study pia otte phd political science norwegian university of science and technology pia. It will walk you through the process of building a simple solar cooker, using the cooker, and teaching simple solar cooking concepts to others.
Design and construction of a wooden solar box cooker with. These box cookers have a very simple construction and they are made of low cost. 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. C department of physics, covenant university ota nigeria abstract a wooden solar box cooker was successfully constructed with cheap and locally available material with. The advantages are speed and the potential to cook when it is cool outside. I have had the assc less than a week and have already cooked chili, rice, bean soup, blueberry muffins i used the silicon cupcake forms placed into the black pot and today a gluten free banana bread. This file is from an external source, the usage rights are. Below is the basic science for solar panel cookers and solar box cookers. They are simple and relatively inexpensive to buy or to produce. Solar energy is the most essential renewable energy which we can get from the sun.
Worldwide, t oday there are about 60 major designs and more than 100 of variations. Induction cooking is widely used nowadays due to its high efficiency and safety. Solar cooker simple english wikipedia, the free encyclopedia. Low cost wooden box solar cooker in the present design, an attempt is made to reduce the cost of a conventional box type cooker. This article is my attempt at documenting my experience making a parabolic solar cooker. Solar cooking does not require any electricity but uses solar thermal energy to cook the food. Finding ways to use energy more efficiently will be an. Solar cookers also enable some significant processes such as pasteurization and sterilization. You can easily and inexpensively make your own diy solar cooker. A solar cooker is a device which uses the energy of direct sunlightgenerated from sunlight to. Solar cooker tests, exergy, efficiency, standardization in testing and reporting.
This means that you can use a solar oven anywhere that has lots of sun. A first approach to a self made, low budget hopefully solar cooker. You can make recipe of your choice with the help of this cooker. Solar air cooler project pdf this guide was published within the framework of the solco project which is co. The all season solar cooker in the early morninglate afternoon position, to catch all the sunlight. Types of solar cookers basically, there are 3 types of solar cookers available on the market. Lasting impacts of a solar cooker project in bolivia. The cooker will be very appropriate for rural applications. 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.