maximum efficiency
71Nuna — For other uses, see Nuna (disambiguation). Nuna 3 at Circuit Park Zandvoort Nuna solar racer Nuna 1 (2001) Nuna 2 (2003) …
72Wind power in Australia — is clean and renewable and a typical wind turbine can meet the energy needs of up to 1000 homes. The technology is proven, fast to build and economical compared with other renewable energy technologies. [… …
73Shrouded tidal turbine — An emerging tidal stream technology is the shrouded tidal turbine enclosed in a Venturi shaped shroud or duct producing a sub atmosphere of low pressure behind the turbine, allowing the turbine to operate at higher efficiency (than the Betz limit …
74locomotive — locomotively, adv. locomotiveness, locomotivity, n. /loh keuh moh tiv/, n. 1. a self propelled, vehicular engine, powered by steam, a diesel, or electricity, for pulling or, sometimes, pushing a train or individual railroad cars. 2. an organized… …
75Carnot heat engine — A Carnot heat engine [In French, Carnot uses machine à feu , which Thurston translates as heat engine or steam engine . In a footnote, Carnot distinguishes the steam engine ( machine à vapeur ) from the heat engine in general. (Carnot, 1824, p. 5 …
76Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… …
77Electrolysis — In chemistry and manufacturing, electrolysis is a method of separating chemically bonded elements and compounds by passing an electric current through them.History*1800 William Nicholson and Johann Ritter decomposed water into hydrogen and oxygen …
78Plug-in hybrid — The Chevrolet Volt is the first mass production plug in hybrid available in the United States. A plug in hybrid electric vehicle (PHEV), plug in hybrid vehicle (PHV), or plug in hybrid is a hybrid vehicle which utilizes rechargeable batteries, or …
79Concentrated photovoltaics — Concentrated photovoltaic (CPV) technology uses optics such as lenses to concentrate a large amount of sunlight onto a small area of solar photovoltaic materials to generate electricity. Unlike traditional, more conventional flat panel systems,… …
80Solar updraft tower — This article is about a type of power plant. For other uses, see Solar tower (disambiguation). Schematic presentation of a Solar updraft tower The solar updraft tower is a renewable energy power plant. It combines the chimney effect, the… …
