posted by admin in Uncategorized
There are many people who think that the advancement in tech products such as the iPod, the r4i flash cards, and in the microchip, is all the technological advances that are taking place these days. Well look at what scientists are dreaming up for airplanes.
Current aircrafts require control surfaces including elevators, flaps and ailerons to fly. These allow pilots to control the aircraft’s movements along the principal axes of motion, such as the pitch (lateral), roll (longitudinal) and yaw (vertical). Control surfaces on an aircraft are attached in such a way that they allow movement, and this movement helps direct air stream passing over the aircraft, which creates the force needed to rotate and move the aircraft. Recent research has been conducted to investigate whether aircrafts can fly without these control surfaces.
Several universities in the United Kingdom have studied whether traditional aircraft flight control surfaces can be replaced with fluidic controls. This research is based on the Coanda Effect, which holds that any gas or fluid molds to a contour and can direct fluid or gas around the contour, creating the force needed to move the aircraft.
The universities built model aircraft with fluid controls and traditional control surfaces. Piloted by radio remote control, which allowed the researchers to switch between the traditional and fluid control systems, the aircraft have shown the potential of fluid controls. Findings are still being evaluated, but initial research seems to suggest that future aircraft may indeed be able to fly and not have the normal control surfaces.
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