The present paper addresses the problem of improving the aerodynamics performances of a fixed-wing Micro Air Vehicle (MAV) under stringent maximum size constraints. Monoplane wing planforms are compared with biplane concepts using low-speed wind tunnel measurements and numerical calculations including viscous effects. A parametric study of the effect of various geometrical parameters has been carried out in order to optimize a biplane micro-air vehicle configuration in the low-Reynolds regime. Finally, wind-tunnel measurements including the influence of propellers indicate that biplane MAV configurations can drastically increase the overall performances over the classical monoplane fixed-wing concept.
Two student projects are described including the intended goals, the approaches taken, the tools used, and what was learned from the exercises. An international collaborative teaching protocol betw ...
Purpose. ::: We investigated the effects of two simultaneously imposed, competing focal planes on refractive development in monkeys.