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Boiler glossary Y |
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| YARD -- Unit of length in the
foot-pound-second system formerly fixed by a line standard, redefined in 1963
as 0,9144 m. YARROW BOILER -- A Marine water-tube boiler employing an upper steam drum connected by banks of inclined tubes to three lower water drums, between two of which superheating elements are arranged. YAW -- The rotation of a horizontal axis wind turbine around its tower or vertical axis. Y-CONNECTION -- An alternative name for star connection. YIELD-- The proportion of heavy or light products which can be derived from a given barrel of crude oil. Y-VOLTAGE -- The voltage between any line and neutral of a three-phase or six-phase system. Also called phase voltage or star voltage. |
© 2007 Lars Josefsson Steamesteem in a computerized world Marine steam boilers glossary of terms.