Results 201 to 210 of about 9,047,121 (245)
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Short-Term Operation of Hydrothermal Systems
IFAC Proceedings Volumes, 1987Abstract The objective of short-term operation is to produce a daily schedule for each reservoir that meets the system operating constraints (water balance, bounds on volumes and outflows) and the generation targets established by longer-term scheduling models.
L.M.V.G. Pinto, M.V.F. Pereira
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Theory of Hydrothermal Systems
Annual Review of Earth and Planetary Sciences, 1984Hydrothermal systems are sets of processes that redistribute energy and mass in response to circulating H20 fluids. These systems are active today in the oceanic and continental crusts, and their fossilized equivalents constitute a substantial portion of the geologic record.
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The Thermodynamics of Hydrothermal Systems
1998Abstract The basic problem of thermodynamics is the determination of the equilibrium state that eventually results after the removal of internal constraints in a closed composite system. – Callen (1960), p. 24. Anyone studying an ore deposit winds up with a lot of data: field observations in the form of maps ...
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Economic dispatch on hydrothermal systems
2017 IEEE Central America and Panama Student Conference (CONESCAPAN), 2017Este articulo presenta los conceptos del despacho economico de un sistema hidrotermico de generacion; y la forma en la que se busca una solucion a este complejo problema, por medio de la operacion optima de los embalses de agua, a determinado plazo, lo cual nos permite encontrar el punto estrategico en el cual se mantenga en equilibrio los valores ...
A S. Cerna, S. A. Espinoza, E. Dvicente
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Recent hydrothermal systems of Kamchatka [PDF]
Geothermics, 1970 Abstract Study of the largest manifestations of the recent hydrothermal activity in Uzon-Semyachik, Pauzhetka-Kambalny and other regions in Kamchatka enable us to conclude: in the area of recent volcanism characterized by a general increase of conductive heat flow, some regions can be distinguished with an especially intense geothermal regime ...
Vakin E.A. +5 more
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The Kakanui hydrothermal system.
2016Potential hydrothermal deposits were recognised within the late-Eocene to early-Oligocene volcanic tuff and overlying volcaniclastic grit at Kakanui South Head, Oamaru, New Zealand. The deposits included discrete pink carbonate pods within the volcanic tuff, discrete infilled cavities within the overlying volcaniclastic grit and a sub-horizontal ...
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Hydrothermal Systems and the Biosphere
2009In this chapter I present an overview of the links between life and hydrothermal systems, a topic that is experiencing a revolutionary rise in popularity and importance, involving and uniting, perhaps for the first time in the history of science, scientists from a wide range of disciplines, from Astronomy to Geology and the new exciting field of ...
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Hydrothermal systems and volcano geochemistry
2007The upward intrusion of magma from deeper to shallower levels beneath volcanoes obviously plays an important role in their surface deformation. This chapter will examine less obvious roles that hydrothermal processes might play in volcanic deformation.
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Uranium Hydrothermal Mineral Systems
2009A chapter specifically dealing with uranium hydrothermal mineral systems is appropriate, not only because of its inherent scientific value, but also because of the evolving economic, social and political paradigms at the start of the 21st century. Uranium, not withstanding its belligerent and senseless use (why thousands of nuclear warheads are made ...
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Stable Isotopes in Hydrothermal Systems
1984Abstract Isotopes are forms of an element with the same number of electrons and protons but a different number of neutrns and therefore different masses. Although chemical behavior differs very little between isotopes of the same element, the mass differences between isotopes do produce small chemical differences and equilibrium ...
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