Fog Net structure NDB Nano

grabcad

The structure that supports the wire mesh that captures moisture is composed of strips of punched and bended metal sheet connected with interlocking tabs without use of bolts. The sheet material may be aluminum with a thickness of 1 mm; in this case the panel complete with wire mesh weighs about 17.8 kg. If the aluminum is not suitable to withstand corrosive atmospheres such as marine mists may be replaced by galvanized or stainless steel, the weight becomes 26 kg. The network is arranged in zig zag between the vertical rounded edge supports. This arrangement increases the condensation surface, in fact, with a frontal footprint of about 1,15 m2, the total surface, net of the part resting on the corners of the supports, becomes 2,04 m2. This provision is present In nature, such as in the intestinal villi or in industrial filters. The network is oriented at 30 ° respect to the front direction, to which the action of the wind pushes the water drops to the bottom of the "V" making then scroll through the vertical groove of the supports, directing towards the collecting bowl. The net is secured at both ends with two winding rollers. The device is similar to that which was used to hook the photographic film in pre-digital cameras. The roller has a thin vertical cut in which the ends of the network can be slipped slightly cut to a point. With a couple of rounds is stretched and roller is fastened with locking screws. The panel will then be prepared in factory with proper precautions to avoid damaging the active coating , then wrapped in a protective PVC film. In the field will then be fixed on the support legs and secured with braces tensioners. (See attached picture) Fastening pickets provided on this model are suitable for soft to medium hard soil, are robust and can be driven with a bat, obviously if the soil is hard and rocky must be adequate. The rectangular shape of the panel is suitable for a modular assembly with simple adapter plates. The diameter of the tensioners is a little too big, but I have recovered from another project and I have not had time to reduce them to a more appropriate diameter. Credits; jar model: Mineral water jar 20 l (request) by The M Brothers