Solar Heated Grill ( Investigatory Project )

August 21, 2017 | Author: Alyssa Erika | Category: Barbecue Grill, Grilling, Food & Wine, Food And Drink Preparation, Cooking
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Investigatory Project purpose only...


Manila Cathedral School #287 Tayuman St.Tondo, Manila

Basilio, Aina Beatrice Bucago, Alyssa Erika Batoctoy, Angelica Cortez, Liezl Cunanan, Charlene Varron, Rebecca Jhemelle Balili, Aeron Paul Lopez, John Marcius Lopez, Joselito

IV – Immaculate Conception

Mr. Kevin Villarico October 22, 2013


A. Background of the Study Grilling is a form of cooking that involves dry heat applied to the surface of food, commonly from above or below. It is sometimes referred to as barbecuing but that word can also mean a different cooking technique. Grilling usually involves a significant amount of direct, radiant heat, and tends to be used for cooking meat quickly. Food to be grilled is cooked on a grill, a grill pan, or griddle.

Heat transfer to the food when using a grill

is primarily via thermal radiation. Heat transfer when using a grill pan or griddle is by direct conduction. Proper grilling doesn’t come from propane or charcoal. Either can be used to produce tasty results. The most important aspect is high heat management. Getting your grill hot enough to give that grilled flavour on your steak without turning it to ash is an art. That’s why this new solar powered grill has me weary. It’s not an electric grill that runs on solar power, it’s literally a grill that cooks with the sun. A solar heated grill can be built from a cardboard box, tin foil, and poster board. Sunlight it’s the reflective surface and focuses on the hot dog held in the center. You’ll actually get some use out of it afterwards. Some of the principles it demonstrates are:

1. Optics: focusing parallel rays of incident light through theuse of a parabolic mirror. 2. Energy transformation: light to heat 3. Renewable energy: solar power

B. Statement of the Problem The price of almost all commercialized or local products continuously increasing.And this is a big aspect to be considered in budgeting things. Some people cannot afford to buy a grill to roast or to grill foods. C. Significance of the Study This study aims to find out if an old shoe carton box can be useful to make an alternative cooking machine. This projectwill serve as an eye-opener for those who don’t have a grillin their backyard who want to convert their old shoe box carton into a hotdog grilling machine, provide information to students and teachers with respect to the recycling of cartonbox or old shoe box and it will also serve as motivatingfactor for the schools or institutions to direct their students and to further

strengthen their capabilities for developing old carton box into a cooking grilland otherprocesses to maximize the recycling of old carton box.Furthermore, the outcome of the study will provideempirically based information topolicy makers in Ecologicalrecycled Waste Management. (RA 9003) junk cartons areusually stocked or thrown out elsewhere .Converting these non-functional cartons doesnot only support RA 9003 but italso opens an avenue to develop technology in thecommunity. D. Scope and Limitations The study focus on grilling food through solar heat. By using this, the people can grill food without buying those expensive grillers. Our group want to propose a product that is environmental friendly and can suit to the budget that we have in our everyday life.This is a less expensive project because all of the materials needed can be seen inside our house. This project can really help people who cannot afford to buy grillers.

E. Definition of Terms For purpose of clarity, the following terms used in the study are hereby defined. 

Grill - Outdoor cooking appliance .To cook food above

Charcoal - gas or other means of heat.

Tin Foil - A wrapping substance to keep food.

Fresh Skewer - is a thin metal or wood stick used to hold pieces of food together. They are used while grilling orroasting meats, and in other culinary applications.

Chapter II REVIEW OF RELATEDLITERATURE Proper grilling doesn’t come from propane or charcoal. Either can be used to produce tasty results. The most important aspect is high heat management. Getting your grill hot enough to give that grilled flavour on your steak without turning it to ash is an art. It’s not an electric grill that runs on solar power; it’s literally a grill that cooks with the sun. The Solar-Grill uses a flexible mirror to aim the sun’s rays at the black “barbecue cup” to get it nice and toasty. Since it’s light and easily transportable this is a good solution for camping or even tailgating. No need to worry about flames or smoke. Solar cooked food makes up for that by being particularly tender and succulent. Nothing ever burns or needs to be stirred. Since, it uses no fossil fuels its carbon free. But it also costs you nothing to use so you save money. A barbecue grill is a device for cooking food by applying heat directly from below. There are several varieties of such grills, with most falling into one of two categories: gasfueled and charcoal. A small metal "smoker box" containing wood chips may be used on a gas grill to give a smoky flavor to the grilled foods. Although, barbecue purists would argue that to get a true smoky flavor you have to cook low and slow, indirectly and using wood or charcoal.


A. Materials/Equipment: 1. Cardboard box ( We used an old rollerblade box )

2. Aluminum foil.

3. Some masking tape. (Better to use magic tape.)

4. Grill rack and plastic wrap.

5. Pencil & Permanent Marker

6. Scissor & Black Construction Paper or Black Cloth

B.Procedure 1. Cut the top flap. Using the permanent marker trace a square over the top of the box, leaving about a one to two inch border. Cut out the box, leaving the back (top) end attached so it becomes a flap.This top flap will become our reflector for the sun light.

2. Line with aluminum and Black construction paper. Line the bottom of the box with aluminum. Use nontoxic tape or glue to secure the foil in place. Take the black cloth or black construction paper and place it over the foil. Secure it with nontoxic tape or glue.

3. Line lid with foil. Line the inside of the lid and reflector with foil. Secure with nontoxic glue or tape.

4. Cover the square hole we cut earlier with the plastic wrap and over the front of the box with the black cloth or construction paper. This helps the box to absorb more heat. Secure with nontoxic tape or glue.

5. Place over in the sun. Place the grillin the sun. Angle the reflector to where the most sunlight is reflected into the box. Tape the pencil to where it holds up the lid in place. Leave the box in the sun for a half an hour to an hour to warm up. It may take a little longer depending on the heat and how clear the sky is in your area.

6. Put in the food. Once it is pretty hot put the food in that you want to cook. In researcher’s case, they choose hotdogs. Let them cook for a couple of hours or until they are a nice golden brown color. Check on them every 15 minutes.

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