Help


[permalink] [id link]
+
Page "Angle of attack" ¶ 2
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

aerodynamics and angle
The power and aerodynamics of the Hornet allows them to perform a slow, high angle of attack " tail sitting " maneuver, and to fly a " dirty " ( landing gear down ) formation loop, the last of which is not duplicated by the Thunderbirds.
For example, the phenomenon of flutter in aerodynamics occurs when an arbitrarily small displacement of an aircraft wing ( from its equilibrium ) results in an increase in the angle of attack of the wing on the air flow and a consequential increase in lift coefficient, leading to a still greater displacement.
* Critical angle of attack, in aerodynamics ; the angle of attack which produces the maximum lift coefficient
A stall is a condition in aerodynamics and aviation wherein the angle of attack increases beyond a certain point such that the lift begins to decrease.
* The attached shock wave is a classic structure in aerodynamics because, for a perfect gas and inviscid flow field, an analytic solution is available, such that the pressure ratio, temperature ratio, angle of the wedge and the downstream Mach number can all be calculated knowing the upstream Mach number and the shock angle.
* α, a symbol for the angle of attack in aerodynamics
But some cars have had rather unstable aerodynamics, such that a minor change in angle of attack or height of the vehicle and this can cause large changes in the downforce.

aerodynamics and between
This first widely-publicised flight led to a more organized effort between aviators and scientists, leading the way to modern aerodynamics.
With some exceptions, the knowledge of hypersonic aerodynamics has matured between the 1960s and the present decade.
The Knudsen number can be used to guide the choice between statistical mechanics and the continuous formulation of aerodynamics.
In aerodynamics, air is normally assumed to be a Newtonian fluid, which posits a linear relationship between the shear stress ( the internal friction forces ) and the rate of strain of the fluid.
The presence of shock waves, along with the compressibility effects of high-velocity ( see Reynolds number ) fluids, is the central difference between supersonic and subsonic aerodynamics problems.
The relationship between Bertone and Alfa Romeo reached its creative peak with the Berlinetta Aerodinamica Tecnica ( BAT ) concept cars which pushed back the boundaries of car design and aerodynamics: the BAT 5 in 1953, the BAT 7 in 1954 and the BAT 9 of 1955.
It has a large expertise in the study of aeroacoustics, multiphase flows, vehicle aerodynamics, biological flows and environmental flows ( including the study of interaction between atmospheric winds and human activities ).
Moment of inertia changes result in a decrease in watts of between. 004 and. 022 %, while lower mass provided between. 2 and. 46 %, and better aerodynamics provided between. 6 and 1. 8 % decrease in wattage.
There are slight geometry differences between road and cyclocross bicycles ; cyclo-cross bikes tend to have slightly higher handlebars for a more upright position as aerodynamics have little importance in a cross race.
* Camber ( aerodynamics ), the asymmetry between the top and bottom curves of an aerofoil
Alain Prost set a new lap record on lap 52 of the 67 lap race with a time of 1: 18. 608, half a second faster than Nelson Piquet's 1987 lap record when the turbo engines had approximately 300 more horsepower, which showed the advancements in engines, tyres, aerodynamics and chassis development in the seven months between the 1987 and 1988 races.
Phase I was conducted between 24 August and 11 November 1981, to test minor modifications to improve aerodynamics, satisfy Combat Talon II prototype requirements on STOL performance, handling characteristics, and avionics, and to establish margins of safety.
The system also incorporates height adjustable suspension, which in this case lowers the vehicle up to between the speeds of for better aerodynamics, fuel consumption, and handling.

aerodynamics and chord
In aerodynamics, the aspect ratio of a wing is essentially the ratio of its length to its breadth ( chord ).

aerodynamics and line
* Kármán line ( aerodynamics / astronautics )
However, the fuel crisis of the time meant that suddenly it became very hard to sell gas-guzzling cars like this ( even though the aerodynamics increased fuel economy greatly, reducing the power needed to attain its top speed by some 30 hp ), and coupled with some production line difficulties in actually building the car meant that sales and delivery were slow, and eventually just 204 examples were built, far short of the 30, 000 projected.
These cars are designed for high platform rail line, such as all the existing stations with a standardized high platform and the rolling stock end doors that connect to any traditional single floor car and even roof line aerodynamics.
Until the end of 1917, most of the company's output would consist of successive developments of this one design, with more powerful engines, modest increases in overall dimensions, and slightly more refined aerodynamics, until the line ended with the Nieuport 27.
The line of the small shell, markedly wedge, it is much aerodynamics ( CX 0. 31 ), thanks to the engine hood markedly inclined to the curved windscreen and also quite tilted, side windows flush with the bodywork, the absence lateral gutter, the recessed door handles and roof tapering slightly toward the tail.
* Kármán line ( aerodynamics / astronautics )

aerodynamics and wing
In the aerodynamics field, the Coandă effect is commonly defined in the more limited sense above and viscosity is used to explain why the boundary layer attaches to the surface of a wing.
Each wing negatively interferes with the aerodynamics of the other.
With fixed wing UAVs, payloads can also be attached to the airframe, but aerodynamics of the aircraft with the payload must be assessed.
Convergence is difficult to quantify, so progress on this issue may require exploitation of engineering specifications ( e. g., of wing aerodynamics ) and comparably rigorous measures of " very different course " in terms of phylogenetic ( molecular ) distances.
used attraction, alignment and avoidance and extended this with a number of traits of real starlings: first, birds fly according to fixed wing aerodynamics, while rolling when turning ( thus losing lift ), second they coordinate with a limited number of interaction neighbours of 7 ( like in real starlings ), third, they try to stay above a sleeping site ( like starlings do at dawn ) and when they happen to move outwards the sleeping site, they return to it by turning, fourth, they move at relative fixed speed.
According to 20th century folklore, the laws of aerodynamics prove that the bumblebee should be incapable of flight, as it does not have the capacity ( in terms of wing size or beats per second ) to achieve flight with the degree of wing loading necessary.
In aerodynamics, the lift-to-drag ratio, or L / D ratio, is the amount of lift generated by a wing or vehicle, divided by the drag it creates by moving through the air.
In aerodynamics, wing loading is the loaded weight of the aircraft divided by the area of the wing.
T-tail configuration also allows high performance aerodynamics and excellent glide ratio as the empennage is not affected by wing slipstream.
The car featured NISMO aerodynamics package based on the Super GT championship car, which included an aggressive front fascia with chin spoiler, side skirts, an extended rear fascia with under body diffuser and a rear wing.
The combination of a delta wing with an all-moving canard gave it extremely good aerodynamics in the trans-sonic and supersonic environments.
Wnęk built several wing models and although he did not understand the aerodynamics of lift, he mimicked the upper curvature of a bird's wing.
In deference to the car's less than excellent aerodynamics, Arfons introduced another innovation: It was the first land speed record car to utilize a wing to produce downforce to prevent the car from becoming airborne.
In qualifying, a front wing flap fell off Roland Ratzenberger's car, causing major suspension damage and worsened aerodynamics.
Modified aerodynamics, including a different wing and front diffuser, allowed greater speed, as did optimized gearing.
The bodywork and aerodynamics have been altered to offer maximum downforce, featuring a longer front bonnet with flaps, a closed underbody and a new rear overhang with adjustable rear wing and race-derived diffuser.
For the 1971 Formula One season March Engineering came up with the remarkable 711 chassis, which had aerodynamics by Frank Costin and an ovoid front wing described as the Spitfire ( for its shape ) or ' Tea-tray ' ( for its elevation from the car ) wing.

0.356 seconds.