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English Wikipedia references for Selkirk.bc.ca 1-12 of 12
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| Aerodynamics Aerodynamics is a branch of dynamics concerned with studying the motion of air, particularly when it interacts with a moving object. Aerodynamics is a subfield of fluid dynamics and gas dynamics, with much theory shared between them. Aerodynamics is often used synonymously with gas dynamics, with the difference being that gas dynamics applies to all gases. Understanding the motion of air (often called a flow field) around an object enables the calculation of forces and m Aerodynamics | |
| Boeing 747 Boeing_747 | |
| Jet engine A jet engine is a reaction engine that discharges a fast moving jet of fluid to generate thrust in accordance with Newton's laws of motion. This broad definition of jet engines includes turbojets, turbofans, rockets, ramjets, pulse jets and pump-jets. In general, most jet engines are internal combustion engines but non-combusting forms also exist.In some common parlance, the term 'jet engine' is loosely referred to an Jet_engine | |
| Center of pressure center of pressure is the point on a body where the total sum of the aerodynamic pressure field acts, causing a force and no moment about that point. Mathematically it can be said that the net pressure force on the body acts through this point. The net force applied at the center of pressure point produces the equivalent moment as the pressure field about any arbitrary point. Typically the center of pressure is referenced to the nose of the vehicle but other points may be selected. Center_of_pressure | |
| Shock wave For the music album by Converter, see Shock Front For other meanings see shockwave.A shock wave (also called shock front or simply "shock") is a type of propagating disturbance. Like an ordinary wave, it carries energy and can propagate through a medium (solid, liquid or gas) or in some cases in the absence of a material medium, through a field such as the electromagnetic field. Shock_wave | |
| Specific fuel consumption (thrust) Specific fuel consumption, often shortened to SFC, or TSFC is an engineering term that is used to describe the fuel efficiency of an engine design with respect to thrust output. It allows the efficiency of different sized engines to be directly compared.SFC for thrust engines (e.g. Specific_fuel_consumption_(thrust) | |
| Swept wing swept-wing is a wing planform common on jet aircraft capable of near-sonic or supersonic speeds. The wings are swept back instead of being set at right angles to the fuselage, the latter being common on propeller-driven aircraft and low-speed jet aircraft. This is a useful drag-reducing measure for aircraft flying just below the speed of sound, though straight wings are still favored for slower cruise and landing speeds and aircraft with long range or endurance. Swept_wing | |
| Mooney M20 Mooney_M20 | |
| Stall strips stall strip is a fixed aerodynamic device employed on fixed-wing aircraft to modify the airfoil used. They are usually factory-installed or, on rarer occasion, an after-market modification. Stall strips are almost always employed in pairs, symmetrically on both wings. Stall_strips | |
| Mach tuck Mach tuck is an aerodynamic effect, whereby the nose of an aircraft tends to pitch downwards as the airflow around the wing reaches supersonic speeds. Note that the aircraft is subsonic, and traveling significantly below Mach 1.0, when it experiences this effect.Before the phenomenon of Mach tuck can be explored, it must be assured that the reader understands the basic tenets of Bernoulli's principle as it relates to aerodynamic lift generated by an airfoil. Mach_tuck | |
| Reference desk archive/Science/March 2006 Wikipedia:Reference_desk_archive/Science/March_2006 | |
| Aerodynamic center aerodynamic center of an airfoil moving through a fluid is the point at which the pitching moment coefficient for the airfoil does not vary with lift coefficient i.e. angle of attack, . where is the aircraft lift coefficient.The concept of the aerodynamic center (AC) is important in aerodynamics. It is fundamental in the science of stability of aircraft in flight. Aerodynamic_center |
