Use Plastic Sheet And Water To Make Sun Parabolic

I need to make a half parabolic dish for a solar cooking project and i am trying the cone method.

Use plastic sheet and water to make sun parabolic.

I decided to make my solar water heater by creating a mirrored parabolic dish that focuses sunlight to a point then add copper tubing that runs a thin stream of water through the very hot focal point creating near boiling water on. Use the paper reference to set the angle at the apex of the form then measure the wide end. Step 5 finishing up. And since that water has been heated by the sun s rays and turned to vapor it is distilled.

Not reflective the incoming signal. Use a paper towel to flatten the aluminum sheets and use a pair of scissors to trim any extra pieces of the material. Basically my dish will be made from concentric cones to mimic a parabolic dish and to give the desired concentration of light. Check that when a cap is placed on either end the total length is 22.

Get a large smooth beach ball the larger the better because the outer edges of the dish we ll make have to be cut away since they r perpendicular to i e. Carefully cut out the panels all 16 of them. For me a 6 inch ba. I saw that i could make a 3 hour 45 degree compound parabolic dish to shine the light on this pot.

Infrared radiation from the sun is focused by a parabolic mirror to heat the brass tubing. Then glue a layer of aluminum foil on its inner surface for reflectivity. If any air bubbles do form use the utility knife to make a small incision to let the air out. However water resistant material such as plastic or metal will last longer.

Deciding shape and size i chose a pot painted it black and used it in a model to decide on a good compound parabolic dish. Sun sunlight proposed parabolic solar water heater constructed of plywood exterior of which is painted black and then covered by a clear acrylic sheet. What you will need. The easiest way is to cut and fold a flat sheet into a parabolic dish.

Use an exacto knife to cut the corrugated plastic sheet to 22 x90. Side view of solar water heater units for rural use for homes off the grid. My goal was to build a device using 123d make that illustrates the power of the sun and has many practical uses. The water follows a serpentine path of brass tubing to be heated.

The finished form for marking the panel template. Grill campfire or a homemade parabolic dish at the ready this version is very easy to make and can be stored for potential future. A clean plastic tarp sheet or in a worst case scenario a plastic bag paracord as. Clamp a piece of cardboard to the form and trace both sides to make a template.

I picked this width so it would fit between the roof rafters in. Make a parabolic solar dish from an 8 by 4 sheet of plastic without too much waste. The flat sheet can be as cheap as cardboard. Cut the abs pipe into two lengths each 20 25 long.

When cutting lengthwise be sure to cut in a single channel for the whole length. So i set about making a mold for the dish. This adds to the overall finish of your now completed parabolic solar concentrator.