珠光宝气

神舟十八号3名航天员顺利进驻中国空间站_我的网站

A |     这是4月26日在北京航天飞行控制中心拍摄的神舟十七号航天员乘组和神舟十八号航天员乘组“全家福”。    

    Core castings for the world's most powerful onshore wind turbine Photo: website of Science and Technology Daily
The core castings for the world's most powerful onshore wind turbine in terms of single‑unit capacity have recently been delivered by a Chinese company, marking a technological breakthrough in the large‑megawatt onshore wind power castings, domestic news portal stdaily.com affiliated with Science and Technology Daily reported on Wednesday.
Independently developed by Dalian Huarui Heavy Industry Group Co., Ltd. (DHHI), the delivered components include the bearing housing and base castings for 15 MW doubly fed onshore wind turbines. The components need to bear the huge gravity, wind loads and alternating loads transmitted from the blades and hub, and transfer the loads to the generator, ensuring steady rotation of the main shaft. 
The products passed all customer inspections and assessments in one go and were officially delivery, stdaily.com reported.
Adopting an advanced modular design, the turbine components delivered can support flexible power adjustment ranging from 13 MW to 16 MW, enabling adaptive operation to varying and complex wind conditions across diverse regions, the report said.
The turbine's rotor diameter ranges from 240 meters to 260 meters, and are compatible with tower heights of 135 meters to 190 meters, delivering a maximum swept area of 53,000 square meters, roughly 8 standard football pitchs (105m×68m). This places the unit's overall performance among the world's top-tier.
Such super-large castings place extremely high demand on material properties, casting processes, dimensional accuracy and internal quality. The successful validation and delivery of the products therefore demonstrate the research and development, as well as manufacturing capabilities in super‑large wind power castings, stdaily.com reported.
Global Times
。　　据中国载人航天工程办公室消息，在载人飞船与空间站组合体成功实现自主快速交会对接后，神舟十八号航天员乘组从飞船返回舱进入轨道舱。北京时间2024年4月26日5时04分，在轨执行任务的神舟十七号航天员乘组顺利打开“家门”，欢迎远道而来的神舟十八号航天员乘组入驻“天宫”。

B | 随后，两个航天员乘组拍下“全家福”，共同向牵挂他们的全国人民报平安。　　新华社记者     金良快 摄。

C |

Current article:http://qfpy.liawucunsainantaonao.sbs/98tq/tsmpsc.html

Published on:10:35:25