搜索结果: 136-150 共查到“国际动态 动力与电气工程”相关记录403条 . 查询时间(2.578 秒)
美国企业利用3D打印制造涡轮机关键零件
美国企业 3D打印 制造涡轮机 零件
2016/11/14
美国通用电气公司（GE）的研发人员最近成功使用3D打印技术为其涡轮机生产一种称为“柔性端口”的关键零件。这一零件也是通用电气在南卡罗莱纳州新设立的研发中心的最新成果。今年4月，通用电气在其位于南卡罗莱纳州格林维尔市具有48年历史的涡轮机厂区旁边新成立了一所名为“先进制造工程”的研发中心，目的是在3D打印、新材料、自动化、软件平台等先进制造技术领域重塑产品的设计与生产。将此研发中心设在老厂区旁边的目...
Newly Discovered 'Blue Whirl' Fire Tornado Burns Cleaner for Reduced Emissions
Blue Whirl Fire Tornado Burns Cleaner Reduced Emissions
2016/8/11
Fire tornados, or ‘fire whirls,’ pose a powerful and essentially uncontrollable threat to life, property, and the surrounding environment in large urban and wildland fires. But now, a team of research...
Cornell scientists convert carbon dioxide,create electricity
Cornell scientists convert carbon dioxide create electricity
2016/8/11
Lynden Archer, the James A. Friend Family Distinguished Professor of Engineering, and doctoral student Wajdi Al Sadat have developed an oxygen-assisted aluminum/carbon dioxide power cell that uses ele...
Artificial muscle for soft robotics:low voltage,high hopes
Artificial muscle for soft robotics low voltage high hopes
2016/8/1
Soft robots do a lot of things well but they’re not exactly known for their speed. The artificial muscles that move soft robots, called actuators, tend to rely on hydraulics or pneumatics, which are s...
科学家受电鳐启发造出新型发电机
科学家 电鳐 新型发电机
2016/6/8
以电鳐为代表的强电鱼类，体内发电器官能够以近100%的转换率高效发电。日本理化学研究所的一个研究小组利用电鳐发电器官原理开发出了新型发电机。研究小组对捕获数日以内的活体电鳐施加刺激，结果在10毫秒的极短时间内脉冲电流的峰值电压为19伏特，峰值电流8安培。他们还利用该脉冲电流成功启动LED灯并向电容器蓄电，储蓄的电量能使LED长时间发光和驱动迷你车行驶。
Microgrids,not always economically efficient in regulated electricity
Microgrids not always economically regulated electricity
2016/6/12
Installing a microgrid within a regulated electricity market will sometimes, but not always, provide an economic benefit to customers, investors and utilities involved, according to new research led b...
NASA研制登陆火星用电力推进系统（图）
NASA 登陆火星 电力推进系统
2016/4/21
据美国国家航空航天局（NASA）官网2016年4月20日消息，NASA与阿罗吉特洛克达因公司签署了一项总额为6700万美元的合同，旨在设计并研制一款先进的电力推进系统（AEPS）。NASA希望这个为期36个月的合同能显著提升美国的商业太空能力，并使包括小行星重定向任务（ARM）和探测火星在内的深空探索任务成为可能。
The tiny BioBots engineered at one NSF-funded Science and Technology Center (STC) move a bit like inchworms, but they represent giant strides in science and engineering. They can be controlled with el...
Device “Fingerprints” Could Help Protect Power Grid,Other Industrial Systems（图）
Fingerprints Protect Power Grid Industrial Systems
2016/3/2
Researchers are using the same principle to identify devices on electrical grid control networks, using their unique electronic “voices” – fingerprints produced by the devices’ individual physical cha...
There's a new renewable energy player in town and it's about to make waves in the industry. Despite its massive potential as a source for renewable energy, the ocean is unlikely to contribute meaningf...
Common coaxial cables could be made 50 percent lighter with a new nanotube-based outer conductor developed by Rice University scientists.The Rice lab of Professor Matteo Pasquali has developed a coati...
Bismuth-based nanoribbons show ‘topological’ transport,potential for new technologies
Bismuth-based nanoribbons topological transport potential
2016/2/22
Researchers have created nanoribbons of an emerging class of materials called topological insulators and used a magnetic field to control their semiconductor properties, a step toward harnessing the t...
日本成功实现500米超导电力传输
日本 500米超导电力传输
2015/12/21
据《日刊工业新闻》2015年10月8日报道，日本中部大学超导及可持续能源研究中心的山口作太郎教授与住友电气工业等企业的科研人员，成功在太阳能发电场与网络数据中心之间实现了500米超导直流输电。
The physical infrastructure of the U.S. electric grid is aging, overburdened and vulnerable to natural hazards.That's not the bad news.The bad news is that efforts to solve these issues have opened th...
New electricity meters are smart--but are they trusted?
New electricity meters smart trusted
2015/11/12
The smart grid: It's the power-system modernization effort that U.S. utilities are building to meet the country's growing demands for electricity. But it's not confined to power plants and substations...
