Flute Acoustics Essay -- acoustic sound

A flute blows a rapid park of air across the embouchure hole. The pressure inside the players mouth is above atmospheric (usually 1kpa beneficial enough to support a 10cm height difference in a water manometer). (http//newt.phys.unsw.edu.au/music/) The work done to accelerate the air in this jet is the source of power input to agent.Sound requires an oscillating motion or air flow. In the flute, the air jet, and the plangency in the air in instrument produces an oscillating component of the flow. As the air starts to vibrate some of the energy (sound ) is radiated out the ends and through any open holes. Most of the energy is lost as a sort of friction (viscous loss) with the walls. The pitch or note can be altered very slightly by breath and lip adjustment, just if changed completely the length of the air must change.This is why the holes in the flute are used to remove the constriction of the air at that particular point. The resonance of the air column in the flute mostly d etermines the playing frequency which is the pitch. (http//newt.phys.unsw.edu.au/music/) Since the...