active thermal convection system
21Richardson number — The Richardson number is named after Lewis Fry Richardson (1881 ndash; 1953). It is the dimensionless number that expresses the ratio of potential to kinetic energy [Modellers will be more familiar with the reciprocal of the square root of the… …
22Pellet stove — A wood pellet stove A pellet stove is a stove that burns compressed wood or biomass pellets to create a source of heat for residential and sometimes industrial spaces. By slowly feeding fuel from a storage container (hopper) into a burn pot area …
23Mars 96 — Model of the Mars 96 Orbiter Operator Russian Space Forces Mis …
24Solar heating — is the usage of solar energy to provide process, space or water heating. See also Solar thermal energy. The heating of water is covered in solar hot water. Solar heating design is divided into two groups: * Active solar heating uses pumps which… …
25Costa Rica — Costa Rican. /kos teuh ree keuh, kaw steuh, koh /; Sp. /kaws tah rddee kah/ a republic in Central America, between Panama and Nicaragua. 3,534,174; 19,238 sq. mi. (49,825 sq. km). Cap.: San José. * * * Costa Rica Introduction Costa Rica… …
26Wind power — Wind power: worldwide installed capacity [1] …
27advanced ceramics — ▪ ceramics Introduction substances and processes used in the development and manufacture of ceramic materials that exhibit special properties. As is pointed out in the article ceramic composition and properties, ceramics are… …
28climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
29Passive solar building design — Elements of passive solar design, shown in a direct gain application …
30cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
