- Отрасли: Aviation
- Number of terms: 16387
- Number of blossaries: 0
- Company Profile:
Aviation Supplies & Academics, Inc. (ASA) develops and markets aviation supplies, software, and books for pilots, flight instructors, flight engineers, airline professionals, air traffic controllers, flight attendants, aviation technicians and enthusiasts. Established in 1947, ASA also provides ...
The law of physics concerning acceleration. The amount of acceleration imparted to an object by a force is directly proportional to the amount of force acting on it, and inversely proportional to the mass of the object. The greater the force, the greater the acceleration, and the greater the mass, the less the acceleration.
Industry:Aviation
The law of physics relating to action and reaction. For every action, there is an equal and opposite (equal amount and opposite direction) reaction.
Industry:Aviation
The law of physics which describes inertia. An object at rest will try to remain at rest, and a moving object will try to keep moving in the same direction, at the same speed, unless it is acted upon by an outside force.
Industry:Aviation
The law that explains the relationship between the flow of electrons (current), electrical pressure (voltage), and the opposition to flow (resistance). According to Ohm’s law, the amount of current flowing in a circuit is directly proportional to the circuit voltage and inversely proportional to the circuit resistance.
Industry:Aviation
The layer of air that flows next to an aerodynamic surface.
Because of the design of the surface and local surface roughness, the boundary layer often has a random flow pattern, sometimes even flowing in a direction opposite to the direction of flight. A turbulent boundary layer causes a great deal of aerodynamic drag.
Industry:Aviation
The layer of gases surrounding the earth, from the surface upward to a height of about 22 miles. The atmosphere consists of a mixture of nitrogen, oxygen, and small quantities of a number of other gases.
The lowest level of the atmosphere, called the troposphere, extends upward to about 36,000 feet. This is the area in which clouds form. Above the troposphere is the stratosphere, where there is no water vapor; therefore clouds cannot form.
The atmosphere presses down on the surface of the earth with a pressure of 29.92 inches (760 millimeters) of mercury. Its standard weight at sea level is 0.07651 pound per cubic foot, and it becomes lighter, or less dense, as its height above the earth increases.
The temperature of the atmosphere drops as its altitude increases, to about 36,000 feet. Here, the temperature stabilizes at -67°F (-55°C), and it remains at this temperature until it reaches an altitude of about 82,000 feet.
Industry:Aviation
The layer of the earth’s atmosphere that extends from about 20 to 30 miles above the earth. The ozonosphere has a high concentration of ozone that absorbs ultraviolet radiation from the sun.
Industry:Aviation
The layers of rubberized fabric that make up the body of an aircraft tire.
Industry:Aviation
The lead of an electrical component, such as a resistor or capacitor, that protrudes from the side of the component (it radiates outward). The other type of lead used on these components is an axial lead, which sticks out straight from the center of the end of the component.
Industry:Aviation
The leading edge of a spreading downdraft, called a plow wind, in front of an approaching thunderstorm.
Industry:Aviation
