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- Abstract: A 3D numerical solution of transonic turbulent flowfield inside a compressor rotor is analyzed with a consideration of blade tip clearance. 文摘:借助于考虑叶片顶部间隙的压气机转子内跨音速湍流流场的三维数值解,得到了该转子流场中的复杂涡系与波系结构。
- Its h.p.and m.p.sealing glands and blade tip sealing were modified with an American adjustable sealing. 1997年7月在第二次大修中引进了美国布莱登可调式汽封,对其高、中压汽封及叶顶汽封进行改造。
- In addition,the reason for affecting the timing precision of the monostable circuit is analyzed and the solution of this problem is put forward. 分析了影响全数字单稳态电路定时精度的原因及解决方法。
- The parameter influence of rotor free-wake method was presented, including blade discrete segments, vortices grid density and wake length.Several areas were made from blade root to blade tip. 摘要介绍了自由涡方法中多个参数的影响,包括桨叶离散段数、有弯度翼型的涡网格密度、尾迹的长度。
- The test of the performance of the process management module shows that the time precision of ARTs-OS is on microsecond level, which has met the system requirements. 进程管理模块的性能测试结果表明,ARTs-OS运行的时间精度可以达到微秒级,符合ARTs-EDB对时间精度的要求,且其部分性能优于QNX和wince。
- The flow separation and great range low energy flow occur at the 10% span range of second rotor blade tip near stall point firstly, which was the main reason for the compressor stall. 在近失速点压气机第二排转子叶片吸力面近尖部10%25叶展范围内,最先出现导致叶片失速的大范围分离和低能堵塞团;
- In an uniform accelerated motion experiment, the timing precision to record the moment a cart passes the measuring point can reach 10-4 S by Programmable Timer/Counter 8254. The experiment system can replace the traditional timing method. 在匀变速直线运动的实验中,利用可编程定时/计数器8254来记录运动小车过测点的时刻值,可使计时精度达到万分之一秒。 该实验系统可取代传统的计时方法。
- The delays can be corrected by accurate measurement and analysis, while the errors is unavoidable and acts as the main factors affecting the final timing precision, and can only be reduced by optimized design and algorithm. 延时的影响可以通过精确的测量和分析进行补偿,误差项是降低时钟精度的主要原因,只能通过设计和算法优化尽量减小。
- Results Using synchronous triggering extension EP workstation with high time precision, the recording of the typical visual or auditory SERP and CERP were successfully accomplished. 结果解决了刺激呈现时间的精确控制和外接诱发电位仪的同步触发等关键性问题;
- In helicopter mode, exhaust gases will pass through channels in the two-blade rotor before exiting through vents in the blade tips. 在直升机模式,废气会通过渠道在两转子叶片在退出之前,通过通风口,在刀片的秘诀。
- RECOMMEND A SAW BLADE TIP PROFILE ABRASIVE BAND ARC GRINDER 推荐一种锯片刀头仿形砂带磨弧机
- But as forward speed increases, thrust falls away until at about 450 mph, propeller efficiency is seriously impaired as the blade tips approach the speed of sound. 但是当向前的速度增加时,推力会下降直到速度到450海里/小时,当翼尖接近音速的时候螺旋桨的效率会严重削弱。
- Application of CAD in Blade Tip Grounding Tool Design CAD技术在磨叶片叶尖工具中的应用
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就会发酵。
- An experiment of hover performance with new shape blade tip 锯齿状桨尖旋翼悬停气动特性试验研究
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- He will come on time even though it rains. 即使下雨,他还是会准时来的。
- PIV INVESTIGATION OF BLADE TIP FLOW IN OPEN AXIAL FAN 开式轴流风扇叶尖流动的PIV实验研究
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries