stored-energy constant

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• Energy — This article is about the scalar physical quantity. For other uses, see Energy (disambiguation). Energetic redirects here. For other uses, see Energetic (disambiguation) …   Wikipedia

• energy, conservation of — Principle of physics according to which the energy of interacting bodies or particles in a closed system remains constant, though it may take different forms (e.g., kinetic energy, potential energy, thermal energy, energy in an electric current,… …   Universalium

• Energy harvesting — (also known as Power harvesting or energy scavenging ) is the process by which energy is captured and stored. Frequently this term is applied when speaking about small autonomous devices, like those used in sensor networks. A variety of different …   Wikipedia

• Energy-dispersive X-ray spectroscopy — (EDS, EDX or EDXRF) is an analytical technique used for the elemental analysis or chemical characterization of a sample. As a type of spectroscopy, it relies on the investigation of a sample through interactions between electromagnetic radiation… …   Wikipedia

• Energy density — For energy density in the sense of energy per unit mass, see specific energy. For energy density of foods, see specific energy. Energy density is a term used for the amount of energy stored in a given system or region of space per unit volume.… …   Wikipedia

• energy conversion — ▪ technology Introduction       the transformation of energy from forms provided by nature to forms that can be used by humans.       Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …   Universalium

• Energy development — Schematic of the global sources of energy in 2006 2007 …   Wikipedia

• Energy applications of nanotechnology — Over the past few decades, the fields of science and engineering have been seeking to develop new and improved upon types of energy technologies that have the capability of improving life all over the world. In order to make the next leap forward …   Wikipedia

• energy — The exertion of power; the capacity to do work, taking the forms of kinetic e., potential e., chemical e., electrical e., etc. SYN: dynamic force. [G. energeia, fr. en, in, + ergon, work] e. of activation (Ea) e. that must be added to that… …   Medical dictionary

• Compressed-air energy storage — (CAES) refers to the compression of airto be used later as energy source. At utility scale, it can be stored during periods of low energy demand (off peak), for use in meeting periods of higher demand (peak load). Alternatively it can be used to… …   Wikipedia

• Compressed air energy storage — Conceptual representation of the compressed air energy storage concept. Off peak (low cost) electrical power compresses air into an underground air storage “vessel” (the Norton mine), and later the air feeds a gas fired turbine generator complex… …   Wikipedia