descending wind
91Deflected slipstream — is an approach to creating an aircraft that can take off and land vertically (VTOL), or at least with a very short runway (STOL). The basic principle is to deflect the slipstream from one or more propellers approximately 90 degrees, to create an… …
92Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
93foehn — var. of FOEHN. * * * noun a warm dry wind that blows down the northern slopes of the Alps • Syn: ↑fohn • Hypernyms: ↑wind, ↑air current, ↑current of air * * * noun or föhn …
94Convection — This figure shows a calculation for thermal convection in the Earth s mantle. Colors closer to red are hot areas and colors closer to blue are cold areas. A hot, less dense lower boundary layer sends plumes of hot material upwards, and likewise,… …
95Microburst — Illustration of a microburst. Note the downward motion of the air until it hits ground level. It then spreads outward in all directions. The wind regime in a microburst is opposite to that of a tornado …
96Phoenix (spacecraft) — This article is about the Mars lander. For the Star Trek spacecraft, see Phoenix (Star Trek). For other uses, see Phoenix (disambiguation). Phoenix Mars Mission Artist s impression of the Phoenix spacecraft as it lands on Mars Operator NASA …
97Symphony No. 7 (Shostakovich) — After the war, the symphony s reputation declined substantially, both due to its public perception as war propaganda as well as the increasingly prevalent view that it was one of Shostakovich’s less accomplished works. In more recent years,… …
98Transverse flow effect — is an aerodynamic effect encountered when the helicopter moves (typically forward) through the air.In a hover, the air above the rotor disk is being pulled down from above and is equally distributed around the rotor disk. The air is descending… …
99University High School (Irvine, California) — Infobox Secondary school name = University High School motto= Unity through Diversity type = Public secondary grades = 9–12 established= 1970 city = Irvine state = California country = USA enrollment = about 2,600 mascot = Trojan colors =… …
100china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …
