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1 крыло тонкого профиля
Русско-английский авиационный словарь > крыло тонкого профиля
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2 крыло тонкого профиля
Русско-английский аэрокосмический словарь > крыло тонкого профиля
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3 крыло тонкого профиля
Авиация и космонавтика. Русско-английский словарь > крыло тонкого профиля
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4 крыло симметричного профиля
Авиация и космонавтика. Русско-английский словарь > крыло симметричного профиля
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5 sezione
"section;Schnitt"* * *f section also information technology* * *sezione s.f.1 section: sezione orizzontale, parziale, ribaltata, ( disegno) horizontal, part, revolved section; sezione trasversale, cross (o transverse) section; sezione verticale, vertical section // una sezione del libro è dedicata all'astronomia, one part of the book is devoted to astronomy // (aer.): sezione aerea, aircraft section; sezione alare, wing section // (amm.): sezione avere, credit side; sezione dare, debit side; sezione di un conto, side of an account; sezione contabilità, accounting section // (mat.) sezione aurea, golden section // (fis. nucleare) sezione d'urto, cross section3 ( reparto) department, division; ( sede) station, division; ( di miniera) panel: sezione di lingue straniere, foreign languages department; sezione motori, engine division; sezione classica, scientifica, ( di scuola) classical, scientific side; sezione elettorale, electoral division; sezione rionale di un partito, local branch of a party; sezione di commissariato, Police Station // (econ.): sezione pubblicità, advertising division; sezione vendite, sales division; sezione ricerche, research division // (dir.): sezione del Tribunale, Court division; sezione civile, penale, civil, criminal division* * *[set'tsjone]sostantivo femminile1) (parte) section, part2) (ripartizione di un ente) section, division, bureau*, department; (di partito, sindacato) branch3) scol. = division of classes in groups, distinguished by letters, over a whole cycle of studies4) mat. tecn. section5) med. dissection; anat. section6) mus.•sezione aurea — mat. golden section
* * *sezione/set'tsjone/sostantivo f.1 (parte) section, part2 (ripartizione di un ente) section, division, bureau*, department; (di partito, sindacato) branch; la sezione contabilità di una ditta the accounts department of a firm; la sezione locale di un partito the local branch of a party3 scol. = division of classes in groups, distinguished by letters, over a whole cycle of studies4 mat. tecn. section5 med. dissection; anat. section6 mus. sezione dei fiati wind sectionsezione aurea mat. golden section; sezione civile civil division; sezione elettorale polling station; sezione penale criminal division. -
6 Wenham, Francis Herbert
SUBJECT AREA: Aerospace[br]b. 1824 London, Englandd. 11 August 1908 Folkestone, England[br]English engineer, inventor and pioneer aerodynamicist who built the first wind tunnel.[br]Wenham trained as a marine engineer and later specialized in screw propellers and high-pressure engines. He had many interests. He took his steamboat to the Nile and assisted the photographer F.Frith to photograph Egyptian tombs by devising a series of mirrors to deflect sunlight into the dark recesses. He experimented with gas engines and produced a hot-air engine. Wenham was a leading, if controversial, figure in the Microscopical Society and a member of the Royal Photographic Society; he developed an enlarger.Wenham was interested in both mechanical and lighter-than-air flight. One of his friends was James Glaisher, a well-known balloonist who made many ascents to gather scientific information. When the (Royal) Aeronautical Society of Great Britain was founded in 1866, the Rules were drawn up by Wenham, Glaisher and the Honorary Secretary, F.W.Brearey. At the first meeting of the Society, on 27 June 1866, "On aerial locomotion and the laws by which heavy bodies impelled through the air are sustained" was read by Wenham. In his paper Wenham described his experiments with a whirling arm (used earlier by Cayley) to measure lift and drag on flat surfaces inclined at various angles of incidence. His studies of birds' wings and, in particular, their wing loading, showed that they derived most of their lift from the front portion, hence a long, thin wing was better than a short, wide one. He published illustrations of his glider designs covering his experiments of c. 1858–9. One of these had five slender wings one above the other, an idea later developed by Horatio Phillips. Wenham had some success with a model, but no real success with his full-size gliders.In 1871, Wenham and John Browning constructed the first wind tunnel designed for aeronautical research. It utilized a fan driven by a steam engine to propel the air and had a working section of 18 in. (116 cm). Wenham continued to play an important role in aeronautical matters for many years, including a lengthy exchange of ideas with Octave Chanute from 1892 onwards.[br]Principal Honours and DistinctionsHonorary Member of the (Royal) Aeronautical Society.BibliographyWenham published many reports and papers. These are listed, together with a reprint of his paper "Aerial locomotion", in the Journal of the Royal Aeronautical Society (August 1958).Further ReadingTwo papers by J.Laurence Pritchard, 1957, "The dawn of aerodynamics" Journal of the Royal Aeronautical Society (March); 1958, "Francis Herbert Wenham", Journal of the Royal Aeronautical Society (August) (both papers describe Wenham and his work).J.E.Hodgson, 1924, History of Aeronautics in Great Britain, London.JDSBiographical history of technology > Wenham, Francis Herbert
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7 тонкий профиль крыла
slender wing profile, slender airfoil section; thin airfoil
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