Zagrijavanje gasi reaktore
    Četvrtak, 09 Kolovoz 2018 09:50

    Zagrijavanje gasi reaktore

    Visoke temperature zraka i voda nametnule su preventivno gašenje reaktora u elektranama diljem Europe. Francuski “EDF” priopćio je da je zbog previsoke temperature zraka isključio nuklearni reaktor u svojoj najstarijoj elektrani “Fessenheim” na istoku Francuske. U priopćenju se ističe da je reaktor privremeno ugašen. Od četvrtka 2. kolovoza privremeno su isključena četiri reaktora u tri francuske nuklearne elektrane nedaleko od rijeke Rajne i Rone, uključujući i “Fessenheim", a odluka je donesena kako bi se izbjeglo pregrijavanje rijeka. Previsoka temperatura rijeka mogla bi rezultirati masovnim uginućem ribe što se prošlog tjedna dogodilo u Njemačkoj. Reaktori se hlade pomoću voda rijeka dok postoji ograničenje na temperaturu vode koja izlazi iz reaktora jer previsoka temperatura djeluje pogubno na floru i faunu rijeke.
    www.energetika-net.com

    Heatwave forces France to shut down four nuclear reactors
    Power plants halt temporarily as record-breaking temperatures sweep across Europe. France has been forced to temporarily shut down four nuclear reactors as soaring temperatures hit the region, energy company EDF said. The company halted a reactor at Fessenheim – the country’s oldest nuclear power plant – in eastern France, in order to keep the plant from overheating the nearby river. It had already shut down three other power plants near the Rhine and Rhone rivers for similar reasons earlier this week. The power plants use water from the rivers to cool down their reactors, before sending the water back into the rivers. Overheated waters can result in mass fish die-offs, like those that occurred in Germany this week. The shutdowns are just the latest inconvenience in the heat wave that has descended on much of Europe in recent weeks. A drought sweeping Switzerland has left herds of cows stranded without water. The country’s helicopter association and Air Force have been called to transport tens of thousands of gallons of water every week to sustain them. Earlier this week, officials warned vacationers in Portugal and Spain to stay indoors, as parts of the region reached record-setting high temperatures. Meteorologists predicted some areas could beat the highest temperature ever recorded in Europe – 48C, recorded in Athens, Greece, in July 1977. Spanish and Portuguese weather services put a health warning in place until Sunday, noting that temperatures would be especially severe in the southwest. At least three people in Spain have already reportedly died from heatstroke. Wildfires have also sprung up in Portugal’s Algarve, mirroring the deadly fires burning in Greece, Sweden, and the west coast of the United States. Scientists previously told The Independent that such fires were becoming more common, and more intense, due to climate change. A recently released study from the University of Oxford found that climate change had more than doubled the likelihood of the current heat wave. “The logic that climate change will do this is inescapable – the world is becoming warmer and so heatwaves like this are becoming more common,” said one of the report’s authors, Dr Friederike Otto, deputy director of the Environmental Change Institute at the University of Oxford. “What was once regarded as unusually warm weather will become commonplace – in some cases, it already has," he said.
    www.independent.co.uk


    Hot Weather Forces 4 French Nuclear Reactors to Shut Down
    As Europe struggles through a major heatwave, the French energy company EDF says it has halted a fourth nuclear reactor, this time one at the country's oldest nuclear plant at Fessenheim in eastern France. In a statement, EDT said the Fessenheim nuclear reactor was temporarily shut down Saturday. Since Thursday, four French nuclear reactors in three power plants near the Rhine and the Rhone Rivers, including Fessenheim, have had to be temporarily shut down. EDF said the decision was made to avoid overheating the rivers. Nuclear power plants use water from the rivers to cool down the temperatures of their reactors before sending the water back into the rivers. Rivers that are unusually warm can experience mass fish die-offs, which has happened in Germany in the past week.
    www.nytimes.com

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