로그인




연락처 :
bolle1917@gmail.com

https://www.technologyreview.com/s/602051/fail-safe-nuclear-power/


Sustainable Energy

Fail-Safe Nuclear Power

Cheaper and cleaner nuclear plants could finally become reality—but not in the United States, where the technology was invented more than 50 years ago.

In February I flew through the interior of a machine that could represent the future of nuclear power. I was on a virtual-reality tour at the Shanghai Institute of Applied Physics in China, which plans in the next few years to build an experimental reactor whose design makes a meltdown far less likely. Inside the core—a superhot, intensely radioactive place where no human will ever go—the layers of the power plant peeled back before me: the outer vessel of stainless steel, the inner layer of a high-tech alloy, and finally the nuclear fuel itself, tens of thousands of billiard-ball-size spheres containing particles of radioactive material.

Given unprecedented access to the inner workings of China’s advanced nuclear R&D program, I was witnessing a new nuclear technology being born. Through the virtual reactor snaked an intricate system of pipes carrying the fluid that makes this system special: a molten salt that cools the reactor and carries heat to drive a turbine and make electricity. At least in theory, this type of reactor can’t suffer the kind of catastrophic failure that happened at Chernobyl and Fukushima, making unnecessary the expensive and redundant safety systems that have driven up the cost of conventional reactors. What’s more, the new plants should produce little waste and might even eat up existing nuclear waste. They could run on uranium, which powers 99 percent of the nuclear power plants in the world, or they could eventually run on thorium, which is cleaner and more abundant. The ultimate goal of the Shanghai Institute: to build a molten-salt reactor that could replace the 1970s-era technology in today’s nuclear power plants and help wean China off the coal that fouls the air of Shanghai and Beijing, ushering in an era of cheap, abundant, zero-carbon energy.

Over the next two decades China hopes to build the world’s largest nuclear power industry. Plans include as many as 30 new conventional nuclear plants (in addition to the 34 reactors operating today) as well as a variety of next-generation reactors, including thorium molten-salt reactors, high-temperature gas-cooled reactors (which, like molten-salt reactors, are both highly efficient and inherently safe), and sodium-cooled fast reactors (which can consume spent fuel from conventional reactors to make electricity). Chinese planners want not only to dramatically expand the country’s domestic nuclear capacity but also to become the world’s leading supplier of nuclear reactors and components, a prospect that many Western observers find alarming.

?

List of Articles
번호 제목 글쓴이 날짜 조회 수
381 [영국] Jeremy Corbyn: “wholesale” EU immigration has destroyed conditions for British workers 볼셰비키 2017.07.26 68
380 [남미] El Salvador issues warrants for guerrillas who killed US soldiers during civil war 볼셰비키 2017.07.26 39
379 [중동] A Shameful Silence: Where is the Outrage Over the Slaughter of Civilians in Mosul? 볼셰비키 2017.07.25 32
378 [우크라이나] Return of Botulism to Europe: Ukraine's Health Crisis Threatens Whole Continent 볼셰비키 2017.07.25 39
377 [환경] World's richest 10% produce half of global carbon emissions 볼셰비키 2017.07.24 133
376 [시리아] America’s Invasion of Syria. US Government Has Supported “Rebels” Allied or Led by Al Qaeda 볼셰비키 2017.07.23 20
375 [미국] All 3 WTC Towers Collapsed Due To Controlled Demolition 볼셰비키 2017.07.17 20
374 [중국] Do supporters of Nobel winner Liu Xiaobo really know what he stands for? 볼셰비키 2017.07.16 63
373 [터키] Turks stage largest show of opposition against Erdoğan government in years 볼셰비키 2017.07.16 41
372 [독일/참세상] 獨 G20 정상회담, 10만 명 반대 시위...“‘G20’의 세계는 지옥” 볼셰비키 2017.07.10 20
371 [시리아] Over 500,000 Syrian Refugees Return To Gov’t-Controlled Areas Of Syria 볼셰비키 2017.07.06 27
» [중국] Fail-Safe Nuclear Power 볼셰비키 2017.07.04 27
369 [G20] G20 Hamburg Welcome to Hell (Plan of action for the international anticapitalist demonstration) 볼셰비키 2017.06.30 56
368 [미국] The US Gov’t Killed More Civilians This Month Than All Terrorist Attacks in Europe Over the Last 12 Years 볼셰비키 2017.06.25 1599
367 [시리아/미국] Only in America can you shoot down another country's plane IN THEIR OWN COUNTRY and call it "self-defense" 볼셰비키 2017.06.22 105
Board Pagination Prev 1 ... 15 16 17 18 19 20 21 22 23 24 ... 45 Next
/ 45