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A better water wing to harvest tidal energy

The eternal ebb and flow of tides — 24 x 7 x 365 — makes them a dependable source of energy, but how to harness all that, especially in shallow water? Shreyas Mandre and colleagues at Brown have developed an efficient water wing and optimized its performance with a “secret sauce.”

PROVIDENCE, R.I. [Brown University] — When it comes to raw power and absolute reliability, it doesn’t get much better than the tides. That’s why tidal power is such an attractive option as a renewable form of energy. But designing a device to gather tidal energy in shallow water, where the ebb and flow move fastest and the energy potential is highest, has proven problematic. (more…)

Brown Researchers Build Robotic Bat Wing

By Guest PostFebruary 23, 2013Scienceaerodynamic effects, aerodynamic forces, anatomy, angle of flap, basic flight parameters, bat flight, bats, bones, brown researchers, design, downstroke, dynamics of flapping, elasticity of skin, energy, flapping amplitude, flapping frequency, flexibility, force transducer, function of ligaments, joseph bahlman, kenneth breuer, kinematic parameters, material properties, moving wing, real bats, robot mimics, robotic bat wing, sharon swartz, silicone elastomer, small aircraft, small flapping aircraft, super elastic skin, tendon like cables, us air force, wind tunnel, wing folding, wing movements

The strong, flapping flight of bats offers great possibilities for the design of small aircraft, among other applications. By building a robotic bat wing, Brown researchers have uncovered flight secrets of real bats: the function of ligaments, the elasticity of skin, the structural support of musculature, skeletal flexibility, upstroke, downstroke.

PROVIDENCE, R.I. [Brown University] — Researchers at Brown University have developed a robotic bat wing that is providing valuable new information about dynamics of flapping flight in real bats. (more…)

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A better water wing to harvest tidal energy

Brown Researchers Build Robotic Bat Wing