-
1 advance diameter ratio
English-Ukrainian dictionary of aviation terms > advance diameter ratio
-
2 pitch-diameter ratio
English-Ukrainian dictionary of aviation terms > pitch-diameter ratio
-
3 ratio
n1) співвідношення; пропорція2) коефіцієнт; ступінь•- air-fuel ratio - aspect ratio - best power mixture ratio - bypass ratio - California bearing ratio - carrier-to-noise-density ratio - compression ratio - engine pressure ratio - fineness ratio - fineness ratio of a streamlined body - fuel-weight ratio - high bypass ratio - international air ratio - lift/drag ratio - L/D ratio - nozzle area ratio - pitch-diameter ratio - power-to-weight ratio - power-weight ratio - pressure ratio - propeller solidity ratio - reference pressure ratio - serviceability ratio - signal-to-interference ratio - signal-to-noise ratio - thickness/chord ratio of an airfoil section - transformation ratio - uplift ratio - wing taper ratio
См. также в других словарях:
diameter ratio — The ratio between the distance an aircraft moves from one revolution of the propeller(s), under specified conditions, and the propeller diameter. Also known as an advance ratio … Aviation dictionary
ratio — An expression of the relation of one quantity to another ( e.g., of a proportion or rate). SEE ALSO: index (2), quotient. [L. r. (ration ) a reckoning, reason, fr. reor, pp. ratus, to reckon, compute] absolute terminal innervation r. the number… … Medical dictionary
Angular diameter — The angular diameter or apparent size of an object as seen from a given position is the “visual diameter” of the object measured as an angle. In the vision sciences it is called the visual angle. The visual diameter is the diameter of the… … Wikipedia
advance ratio — The ratio between the distance an aircraft moves from one revolution of a propeller(s), under specified conditions, and the propeller’s diameter. It is the ratio of the forward speed divided by the product of rotational speed and the diameter.… … Aviation dictionary
Advance ratio — Diameter of the propeller. In aeronautics and marine hydrodynamics, the advance ratio at which a propeller is operating is the ratio between the distance the propeller moves forward through the fluid during one revolution, and the diameter of the … Wikipedia
Poisson's ratio — ( ν ), named after Simeon Poisson, is the ratio of the relative contraction strain, or transverse strain (normal to the applied load), divided by the relative extension strain, or axial strain (in the direction of the applied load).When a sample… … Wikipedia
Stroke ratio — In a reciprocating piston engine, the stroke ratio, defined by either bore/stroke ratio or stroke/bore ratio, is a term which is used to describe the ratio between the diameter of the cylinder bore and the length of the piston stroke within its… … Wikipedia
Gear ratio — The gear ratio is the relationship between the number of teeth on two gears that are meshed or two sprockets connected with a common roller chain, or the circumferences of two pulleys connected with a drive belt. General description In the… … Wikipedia
Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… … Wikipedia
Sauter diameter — The Sauter mean diameter (SMD) is defined as the diameter of a sphere that has the same volume/surface area ratio as a particle of interest. Originally developed by German scientist, J. Sauter in the late 1920s. The SMD is common measure in fluid … Wikipedia
aspect ratio — 1. Aeron. the ratio of the span of an airfoil to its mean chord. 2. Television. the ratio of the width of an image to its height, usually the ratio 4 to 3. 3. Naval Archit. the ratio of the height of a rudder to its fore and aft length. 4.… … Universalium