...热发电系统至今只能利用自然产生的热气和热水,但现在地热能源开发商计划利用名叫“增强地热系统(Enhanced Geothermal Systems)”的新技术,将水泵入休眠火山, 通过人工产生的蒸汽发电。开发商表示,地热就在那里,但关键问题是水够不够,系统经济不经济。
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增强型的或是工程型的地热系统将水注入到地下,使岩石的渗透性提高,这样便可以吸收或释放更多热量。
The idea behind enhanced, or engineered, geothermal systems is to inject water underground to enhance the permeability of rock, allowing for the release and capture of more heat.
水力压裂法是增强型地热系统的技术支撑,这个系统是从炽热的、很干的岩石中提取热量来产生蒸汽。
Fracking is the technique behind the new "enhanced geothermal systems" that extract energy from rocks which are hot enough, but too dry, to produce steam.
我国已开始增强型地热系统这一领域的研究工作。
China has begun the research work in the field of enhanced geothermal systems.
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