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Tutorial de Low-tech with Refugees - Low-tech & Réfugiés | Catégories : Alimentation, Énergie, Outils
Low-tech with Refugees - Low-tech & Réfugiés
The parabolic or concentrated oven consists of a parabolic-shaped reflector. Its shiny mirror-effect surface captures the sun's rays, concentrates them, and then reflects them onto the cooking surface located on the grid.
The parabolic or concentrated oven consists of a parabolic-shaped reflector. Its shiny mirror-effect surface captures the sun's rays, concentrates them, and then reflects them onto the cooking surface located on the grid.
four, energie, solaire, parabole, concentration
The solar concentrated oven is a device that uses a mirror-effect surface to concentrate solar light onto a very narrow focal point. This focal point can reach extremely high temperatures, up to several thousand degrees Celsius, making it a very powerful tool for producing thermal energy.
Concentrated solar ovens are considered a clean and sustainable energy source that can replace conventional energy sources such as fossil fuels.
English : The solar concentrated oven is a device that uses a mirror-effect surface to concentrate solar light onto a very narrow focal point. This focal point can reach extremely high temperatures, up to several thousand degrees Celsius, making it a very powerful tool for producing thermal energy.
Concentrated solar ovens are considered a clean and sustainable energy source that can replace conventional energy sources such as fossil fuels.
English :
English :
Use a rolling table, with a rectangular sheet that needs to be fixed with a drill and screws on the stand to place the tube that will support the parabolic dish later.
English : Use a rolling table, with a rectangular sheet that needs to be fixed with a drill and screws on the stand to place the tube that will support the parabolic dish later.
Stick the mirror film onto the entire surface of the parabolic dish by cutting it into small pieces to prevent bubbles from forming.
English : Stick the mirror film onto the entire surface of the parabolic dish by cutting it into small pieces to prevent bubbles from forming.
Attach the parabolic dish to the stand using the wrenches.
English : Attach the parabolic dish to the stand using the wrenches.
Français : Utilisez la partie de la parabole en métal qui permet de fixer l'angle afin d'adapter l'orientation du plat avec celle de la parabole en visant le point focal qui nous permettra la cuisson. On avait besoin de deux entretoises pour serrer la barre contre le support afin de changer l'angle d'inclinaison du plat et l'ajuster avec l'angle du support de la surface parabolique. Une tôle métallique pliée (en se servant d'un étau) également a été utilisée afin de fixer la barre sur la parabole.
English : Use the metal part of the parabolic dish that allows you to adjust the angle to align the plate's orientation with that of the parabolic dish by aiming at the focal point that will allow us to cook. We needed two spacers to tighten the bar against the stand in order to change the angle of inclination of the plate and adjust it with the angle of the parabolic surface stand. A bent metal sheet (using a vise) was also used to secure the bar on the parabolic dish.
Français : Découpez la grille de la taille qui vous convient et fixez la à l'aide des fils de cuivre.
English : Cut the grid to the desired size and secure it using copper wires.
Français : L'utilisation d'un four concentré solaire comporte certaines précautions pour garantir la sécurité des personnes et des équipements
English : Safety Precautions when using a Solar Concentrated Oven
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