attitude of flight - перевод на арабский
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attitude of flight - перевод на арабский

SCIENCE OF AIR VEHICLE ORIENTATION AND CONTROL IN THREE DIMENSIONS
Aircraft attitude; Aircraft stability; Flight science; Flight dynamics (aircraft); Flight dynamics (fixed wing aircraft); Flight dynamics (fixed-wing aircraft)
  • anhedral]] wings, which make it less stable but more manoeuvrable
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attitude of flight      
وضع الطيران
flight number         
IDENTIFIER FOR A SPECIFIC FLIGHT OR ROUTE
Flight route designation; Flight Number; Flight ID; Flight id; Flight identification; Flight code; Flight numbers; British Airways Flight 1; List of flights with flight number 1
رقم رحلة طيران
test flight         
  • Flight test engineer's workstation aboard an [[Airbus A380]] prototype
  • Static pressure probe rig aboard [[Boeing 747-8I]] prototype; a long plastic tube, shown wound round a storage drum, is connected to a probe with static pressure orifices. The probe is trailed about two wing spans behind the aircraft.<ref>AGARD-AG-160-VOL-2, AGARD flight test instrumentation series. Volume 2: In-flight temperature measurements, p.30</ref>
  • Pressure measurement equipment and water tanks in [[Boeing 747-8I]] prototype
  • km}} altitude. Does not include the landing burn near the ocean surface as clouds obscured the infrared imaging at low altitude.
  • Static pressure probe on the nose of a [[Sukhoi Superjet 100]] prototype
BRANCH OF AERONAUTICAL ENGINEERING THAT DEVELOPS AND GATHERS DATA DURING FLIGHT
Test flight; Flight testing; Flight Test; Aircraft testing; Flight-test; Flight Test Installation; Flight Testing; Testflight; Flight tests
رحلة تجريبية

Определение

test flight

Википедия

Aircraft flight dynamics

Flight dynamics is the science of air vehicle orientation and control in three dimensions. The three critical flight dynamics parameters are the angles of rotation in three dimensions about the vehicle's center of gravity (cg), known as pitch, roll and yaw. These are collectively known as aircraft attitude, often principally relative to the atmospheric frame in normal flight, but also relative to terrain during takeoff or landing, or when operating at low elevation. The concept of attitude is not specific to fixed-wing aircraft, but also extends to rotary aircraft such as helicopters, and dirigibles, where the flight dynamics involved in establishing and controlling attitude are entirely different.

Control systems adjust the orientation of a vehicle about its cg. A control system includes control surfaces which, when deflected, generate a moment (or couple from ailerons) about the cg which rotates the aircraft in pitch, roll, and yaw. For example, a pitching moment comes from a force applied at a distance forward or aft of the cg, causing the aircraft to pitch up or down.

Roll, pitch and yaw refer to rotations about the respective axes starting from a defined steady flight equilibrium state. The equilibrium roll angle is known as wings level or zero bank angle.

The most common aeronautical convention defines roll as acting about the longitudinal axis, positive with the starboard (right) wing down. Yaw is about the vertical body axis, positive with the nose to starboard. Pitch is about an axis perpendicular to the longitudinal plane of symmetry, positive nose up.

A fixed-wing aircraft increases or decreases the lift generated by the wings when it pitches nose up or down by increasing or decreasing the angle of attack (AOA). The roll angle is also known as bank angle on a fixed-wing aircraft, which usually "banks" to change the horizontal direction of flight. An aircraft is streamlined from nose to tail to reduce drag making it advantageous to keep the sideslip angle near zero, though an aircraft may be deliberately "sideslipped" to increase drag and descent rate during landing, to keep aircraft heading same as runway heading during cross-wind landings and during flight with asymmetric power.