1947年,查克·耶格尔用火箭动力的X - 1第一次突破了音障,让我们吃惊的是,仅仅23年后,我们在休闲旅行中已经可以享受超音速飞行。
Chuck Yeager first broke the sound barrier in his rocket-powered X-1 in 1947, so it's staggering to think that just 23 years later, we stood poised to take our leisure travel supersonic as well.
并且高超音速飞机目前只演示过由其他飞行器携带小型无人机至高速,而且其他计划中的试验飞行器同样太小不能坐人。
Plus, hypersonic flight has so far only been demonstrated for small unpiloted craft carried to high speed by other vehicles - and other planned experimental craft are too small to carry a pilot.
由超音速飞机直接排放到平流层中的氧化氮会直接导致臭氧的消耗。
Nitrogen oxides releases directly by supersonic aircraft into the stratosphere contribute directly to the depletion of the ozone layer.
地面实验设备必须要模拟高超音速飞行状态下气流的焓、压力、M数和空气中氧气的组分。
It is necessary to simulate the high enthalpy, high pressure, Mach number and the same concentration of oxygen species as air in hypersonic flight.
总压管提供了一种简便快捷的测量流体平均流场的方法,分析其在超音速测量中的影响具有重要意义。
The time averaged velocities in fluid flow can be measured simply and conveniently by investigating the effect of the pitot tube in supersonic flow.
从一些超音速流的转捩实验中,测到了亚谐波,但实验数据很少,而且缺乏细节。
Sub-harmonic waves have been detected in certain transition experiments for supersonic flow. However, data are not plenty and lake of details.
山西中宇的外援明星是前超音速中锋奥拉迈德。奥德杰,他是上赛季CBA的篮板王。
The star foreign player for Shanxi Zhongyu is former Sonics center Olumide Olajide, who led the CBA in rebounding last season.
湖人在加时赛后以123:121战胜对手超音速,科比在比赛中拿下48分,这对科比来说不足微道。
Kobe Bryant's 48 points in the Lakers' 123-121 overtime victory against the SuperSonics weren't the most remarkable part of his evening.
湖人期望在与超音速的比赛中获胜,创造新的连胜记录。接下来赛程是开拓者、迈阿密、开拓者。
The Lakers look to snag a new win-streak high tonight at Seattle against the SuperSonics. They then play Portland, Miami and the Trail Blazers again.
研究了在燃烧室入口马赫数为2的超音速燃烧中,液体射流所产生的振荡激波对强化超音速燃烧的作用。
An experimental investigation on effects of oscillating shock generated by liquid jet on reinforcement of hydrogen-fueled supersonic combustion in Mach 2 airstream was completed.
超音速当时有过8连败,而且在最后的21场比赛中输掉19场。
The Sonics have lost eight straight on the road and 19 of the last 21 away from KeyArena.
本文对高空超音速飞机中与增稳舵机交联的纵向机械操纵系统的力反传问题作了理论探讨。
This paper presents a. preliminary research on the feedback of feel of longitudinal mechanical control system connected with steering-engine in supersonic fighter.
重复性实验结果表明,该装置可用在跨超音速风洞中测量飞行器模型的俯仰阻尼导数。
The results obtained in repeated tests show that this test mechanism can be used to measure the pitching damping derivatives for the vehicle models in the transonic and supersonic wind tunnel.
通过对超音速汽液两相流在变截面通道中的升压过程的实验研究,得到了变截面通道内超音速汽液两相流的压力分布规律。
The process of supersonic steam water two phase flow in a channel with variable section is studied experimentally and the pressure profiles along the channel are obtained.
使用叠栅层析技术解决超音速风洞中复杂密度场的测量难题。
Moire tomography is applied to measure the complex density distribution in supersonic wind tunnel.
以航弹引信旋翼机构为研究对象,着重分析了其在超音速流场中的机构动力特性,建立了该机构在超音速条件下的数学模型。
Taking vane actuated mechanism as study object, the paper mainly analyses its dynamic properties in supersonic environment and establishes the mathematical model under this condition.
结果表明:在激波诱导的高超音速湍流分离流中,激波结构是不稳定的,产生一个间歇区域。
The results show that the shock wave structure is unsteady in shock induced hypersonic turbulent separated flows, generating an intermittent region.
研究了超音速气流中受热壁板的非线性动力学行为。
Nonlinear dynamic behaviors of heated panels in supersonic flow were studied.
在气体雾化过程中,采用限制式喷嘴以实现超音速气流雾化,能有效细化粉末颗粒。
The spraying nozzle of controllable type is applied in gas atomization to realize ultrasonic atomization and ensuring particles finely granulated.
利用特征线方法数值模拟了双圆弧和抛物线两种特型喷管中的三维非对称定常等熵的超音速流场。
Numerical simulation of three-dimensional, steady, isentropic, non-symmetrical flow in rocket nozzles is completed using a bicharacteristic method.
本文提出了确定气动窗口所需自由旋涡气动特性的过程,讨论了特征线方法在非对称超音速喷管设计中的应用,该喷管被用来产生自由旋涡流动。
In this article the procedures are described for determining free vortex segment properties. Characteristics method is used to design nozzle which produces free vortex segment.
在超音速飞行器的设计中,由于气动加热效应相当剧烈,考虑热效应的壁板颤振问题成为一个不可忽视的气动弹性问题。
Because of the drastic aerodynamic heating effect, panel flutter analysis considering thermal effects becomes an emerging problem in the design process of supersonic aircraft.
本文介绍了一种大画幅纹影成像技本,应用该技术,显示了高超音速流场中锥体边界层转捩。
A large frame schlieren image technique is presented in the paper. The technique has been applied to visualization of the boundary layer transition on the surface of the cone in the hypersonic flow.
湖人已经是连续第11次消灭了雷霆(超音速)队,并且本赛季在得分过百的比赛中他们的战绩为9战全胜。
The Lakers have won 11 straight against the Thunder-Seattle SuperSonics franchise, and are 9-0 this season when scoring 100 or more points.
湖人已经是连续第11次消灭了雷霆(超音速)队,并且本赛季在得分过百的比赛中他们的战绩为9战全胜。
The Lakers have won 11 straight against the Thunder-Seattle SuperSonics franchise, and are 9-0 this season when scoring 100 or more points.
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