underground storage system
1Underground cavern hydrogen storage — is the practice of hydrogen storage in underground caverns [ [http://www.praxair.com/praxair.nsf/AllContent/3A0AB529A089B473852571F0006398A3?OpenDocument URLMenuBranch=19B4D941A5B182EE852571FC005510B2 . hydrogen storage cavern system] ] Large… …
2Underground city — An underground city is a network of tunnels that connect buildings beneath street level. These may include office blocks, shopping malls, train and metro stations, theatres, and other attractions. An underground city can usually be accessed… …
3Underground power station — An underground power station is a type of hydroelectric power station constructed by excavating the major components (e.g. machine hall, penstocks, and tailrace) from rock, rather than the more common surface based construction methods.Often… …
4Storage tank — A storage tank is a container, usually for holding liquids, sometimes for compressed gases (gas tank). The term can be used for both reservoirs (artificial lakes and ponds), and for manufactured containers. The usage of the word tank for… …
5Natural gas storage — Natural gas, like many other commodities, can be stored for an indefinite period of time in natural gas storage facilities for later consumption. Contents 1 Usage 2 Measures and definitions 3 Types 3.1 …
6Grid energy storage — is used to manage the flow of electrical energy. For large scale load levelling on an interconnected electrical system, electric energy producers send low value off peak excess electricity over the electricity transmission grid to temporary… …
7Carbon capture and storage — (CCS) is an approach to mitigating global warming based on capturing carbon dioxide (CO2) from large point sources such as fossil fuel power plants and storing it instead of releasing it into the atmosphere. Although CO2 has been injected into… …
8Hydrogen storage — describes the methodologies for storing H2 for subsequent use. The methodologies span many approaches, including high pressures and cryogenics, but usually focus on chemical compounds that reversibly release H2 upon heating. Hydrogen storage is a …
9RAF munitions storage during WWII — The logistics organizations of the Royal Air Force in World War II were No. 42 Group and RAF Maintenance Command. As a result of a serious shortage of funds during the inter war period and a weakness of policy the RAF was singularly ill equipped… …
10London sewerage system — The London sewerage system is part of the water infrastructure serving London. The modern roots of the system were first developed during the late 19th century, but as London has grown the system has been expanded and needs further… …
