How Fish Swim Essay -- physics fish swimming

Water and all forms of wet buy the farm have long fascinated man. With his fascination and the realization that humans argon ill-suited for water travel that doesnt involve remaining on the surface, an appreciation for a tips ability to move in three dimensions with relative ease was excessively devloped. Although we may not fully understand the physics involved how slant swimming, it is obvious from the fascination and the breadth of reseach that it will remain a death of the modern sicientist. A look fors ability to propel itself efficiently through water is paramount to its likelihood to succeed. But before a fish inquire worry about any of the complications associated with moving through water (hydrodynamic drag, turbulence, buoyancy, etc.) it moldiness first solve the problem of locomotion. The most common method for understand this problem is by musclebuilder contraction and relaxation. The forward thrust get out is created by movement of the caudal (ta il) fin and varying amounts of the surrounding muscle (up to the entire body for fish that swim similar to eels) in an undulating motion. The immenseness of this mechanism manifests itself in the fact that 80% of a fishs body is quiet of muscle used for propulsion and maneuvering. Since fish live in an milieu in which they need to move in three dimensions, buoyancy plays a significant role in determining a fishs ability to swim efficiently. Fish use a couple of different strategies to solve this problem. Denser fish use their pectoral fins to create dynamic lift, similar to planes and birds. As these fish swim, their pectoral fins are positioned in such a way as to create a difference in pressure which allows the fish to reserve a certain depth. The two major drawbacks of ... ... Anjem and Marko, John. University of Illinois, Chicago. Department of Physics http//www.uic.edu/classes/phys/phys461/phys450/MARKO/N004.html Smits, A. mat of Blunt and Streamline Bodies Princeton University. Department of Engineering http//www.princeton.edu/asmits/Bicycle_web/blunt.html Moore, Bobby and Warren, Michael. The Bouyancy of Fish and the Physics scum bag it http//kingfish.coastal.edu/physics/projects/2000_fall/fish/ Tu, Xiaoyuan. Structure of the Dynamic Fish Model. University of Toronto http//www.dgp.toronto.edu/ large number/tu/thesis/node50.html