geometric chord

geometric chord
геометрическая хорда

Англо-русский словарь по гражданской авиации. — М.: Скорпион-Россия. . 1996.

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  • Chord (astronomy) — In the field of astronomy the term chord typically refers to a line crossing an object which is formed during an occultation event. By taking accurate measurements of the start and end times of the event, in conjunction with the known location of …   Wikipedia

  • geometric mean chord — If an airfoil surface of given span and area is replaced geometrically by an untapered parallel chord surface, with the same span and area, its chord is equal to the geometric mean chord. Also known as the standard mean chord …   Aviation dictionary

  • Chord (aircraft) — Cross section of an airfoil showing chord and chord length The various chords on the planfor …   Wikipedia

  • Chord (geometry) — A chord of a circle is a geometric line segment whose endpoints both lie on the circumference of the circle. A secant or a secant line is the line extension of a chord. More generally, a chord is a line segment joining two points on any curve,… …   Wikipedia

  • geometric twist — The variation along the span of the airfoil of the angle between the chord and a fixed datum. Propeller blades are designed with a twist (i.e., a higher angle at the hub than at the tip) to equalize the lift (thrust) distribution along the blade… …   Aviation dictionary

  • mean chord — i. The chord of an imaginary wing of a constant section having the same force vectors under all conditions as those of the actual wing. That chord of an airfoil is equal to the sum of all the airfoil’s chord lengths divided by the number of chord …   Aviation dictionary

  • standard mean chord — The ratio of the gross wing area to the wingspan. Its value is equal to the chord of a rectangular wing of the same span and gross area. Also called a geometric mean chord …   Aviation dictionary

  • arts, East Asian — Introduction       music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature.       Some studies of East Asia… …   Universalium

  • analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

  • History of trigonometry — The history of trigonometry and of trigonometric functions may span about 4000 years.EtymologyOur modern word sine is derived from the Latin word sinus , which means bay or fold , from a mistranslation (via Arabic) of the Sanskrit word jiva ,… …   Wikipedia

  • trigonometry — trigonometric /trig euh neuh me trik/, trigonometrical, adj. trigonometrically, adv. /trig euh nom i tree/, n. the branch of mathematics that deals with the relations between the sides and angles of plane or spherical triangles, and the… …   Universalium


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