Gemasolar is the first commercial solar plant in the world with central tower receiver and molten salt heat storage technology. It has a 19.9 MW power generating capacity, which translates into an expected net production of 110 GWh/year and a 15-hour storage capacity in the absence of solar radiation. The plant consists of a 185 ha solar field with a 140-m high tower receiver, a power island and 2650 heliostats, each 120 m2 and distributed in concentric rings around the tower. The facility is located in Fuentes de Andalucía in Seville, Spain. The inclusion of the molten salt heat storage system allows the plant to produce electricity even when there is no solar radiation. The heat collected by the salts (which can reach temperatures over 500°C), acts to generate steam which in turn is used to produce electric power. The excess heat accumulated during sunlight hours is stored in the molten salt tank, endowing the plant with the ability to produce electric power 24 hours a day in some months.
In January 2012, Valle 1 and Valle 2 were launched in San José del Valle (province of Cádiz, Spain): two adjacent plants that generate power using parabolic trough technology. Each of these plants boasts a 50 MW generation capacity, with an expected net power production of 160 GWh/year. The plants are located on a 510,000 m2 solar field equipped with SENERtrough® parabolic troughs. Each has a heat storage system with 7.5 hours of capacity. SENERtrough® parabolic troughs concentrate solar radiation into a central collector tube with thermal oil circulating in it, and they have high precision optical sensors which track the sun from east to west. The hot oil is used to vaporize water, which through expansion in a steam turbine, propels a power generator which sends power to the electrical grid.
Read more about this topic: Torresol Energy
... The most common form of urticating bristles in plants are typified by nettles, which possess sharp-pointed hollow bristles seated on a gland which secretes an acrid fluid ... Various plants unrelated to nettles possess similar defensive bristles, and the common names often reflect this (e.g ...
... Gemasolar is the first commercial solar plant in the world with central tower receiver and molten salt heat storage technology ... The plant consists of a 185 ha solar field with a 140-m high tower receiver, a power island and 2650 heliostats, each 120 m2 and distributed in concentric rings around the tower ... The inclusion of the molten salt heat storage system allows the plant to produce electricity even when there is no solar radiation ...
... Ebenaceae is a family of flowering plants, belonging to order Ericales, which includes ebony and persimmon among approximately 768 species of trees and shrubs ... The species are mostly evergreen plants native to the tropics and subtropics, with a few deciduous species native to temperate regions ... Ebenaceae are woody plants that frequently grow in poor or acids soils establishing a mycorrhizal symbiotic relationship with particular fungus species providing mainly mineral nutrients and water ...
Famous quotes containing the word plants:
“... feminism is a political term and it must be recognized as such: it is political in womens terms. What are these terms? Essentially it means making connections: between personal power and economic power, between domestic oppression and labor exploitation, between plants and chemicals, feelings and theories; it means making connections between our inside worlds and the outside world.”
—Anica Vesel Mander, U.S. author and feminist, and Anne Kent Rush (b. 1945)
“Brute force crushes many plants. Yet the plants rise again. The Pyramids will not last a moment compared with the daisy. And before Buddha or Jesus spoke the nightingale sang, and long after the words of Jesus and Buddha are gone into oblivion the nightingale still will sing. Because it is neither preaching nor commanding nor urging. It is just singing. And in the beginning was not a Word, but a chirrup.”
—D.H. (David Herbert)