Search results
Results from the WOW.Com Content Network
Streamlined objects and organisms, like airfoils, streamliners, cars and dolphins are often aesthetically pleasing to the eye. The Streamline Moderne style, a 1930s and 1940s offshoot of Art Deco, brought flowing lines to architecture and design of the era. The canonical example of a streamlined shape is a chicken egg with the blunt end facing ...
General parameters used for constructing nose cone profiles. Given the problem of the aerodynamic design of the nose cone section of any vehicle or body meant to travel through a compressible fluid medium (such as a rocket or aircraft, missile, shell or bullet), an important problem is the determination of the nose cone geometrical shape for optimum performance.
The chord length, or simply chord, , is the length of the chord line. That is the reference dimension of the airfoil section. Different definitions of airfoil thickness An airfoil designed for winglets (PSU 90-125WL) The shape of the airfoil is defined using the following geometrical parameters:
Drumlins occur in various shapes and sizes, [6] including symmetrical (about the long axis), spindle, parabolic forms, and transverse asymmetrical forms. Generally, they are elongated, oval-shaped hills, with a long axis parallel to the orientation of ice flow and with an up-ice (stoss) face that is generally steeper than the down-ice (lee) face.
Drag coefficients in fluids with Reynolds number approximately 10 4 [1] [2] Shapes are depicted with the same projected frontal area. In fluid dynamics, the drag coefficient (commonly denoted as: , or ) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.
In an airfoil, the mean line curvature is designed to change the flow direction, the vane thickness is for strength and the streamlined shape is to delay the onset of boundary layer separation. Taking all the design factors of an airfoil, the resulting forces of lift and drag can be expressed in terms of lift and drag coefficient.
Length is another factor. As Wang adds, “a blazer that ends above the hip or at mid-thigh elongates the legs and prevents the look from appearing bulky,” but the closer the hem gets to the ...
A cross-section of a wing defines an airfoil shape. An airfoil is a streamlined shape that is capable of generating significantly more lift than drag. [ 11 ] A flat plate can generate lift, but not as much as a streamlined airfoil, and with somewhat higher drag.