transonic

简明释义

英[trænˈsɒnɪk]美[trænˈsɑːnɪk]

adj. 接近音速的

英英释义

单词用法

同义词

反义词

例句

1.It enables NASA to create the operating conditions for large transport aircraft flying at transonic speeds of up to 1,440 kilometers per hour.

它使得NASA可以为大型运输航天飞机创造出运行条件，以每小时1,440公里的跨音速飞行。

2.Coupled with the structural equations, the models for transonic aeroelasticity in state-space are got.

耦合结构动力学方程，建立了基于状态空间的跨声速气动弹性分析模型。

3.This paper deals with the inverse design problem of transonic turbine cascade in the hodograph plane by the finite area method.

本文给出了基于有限面积法的跨音速透平叶栅速度面反问题设计方法。

4.The new method is used to study transonic flow in cascades and one kind of complex unsteady transonic axisymmetric flow in arc breaker.

利用本文的方法，分别计算了跨声速叶栅流动和工程中一类复杂非定常轴对称跨声速流动。

5.This paper describes the initial experimental results of aeroelastic instability of BF-1 rotors on a transonic axial compressor facility at BIAA.

本文介绍了在跨音压气机试验台上对BF - 1系列转子开展气动弹性失稳的实验研究工作。

6.Use this platform to optimize the blades of a NASA transonic single stage turbine, the bended stacking line and the profile of this transonic stator.

运用该平台对某NASA跨音速单级透平动静叶片及该透平静叶的叶型和弯积叠线进行多目标气动数值优化研究。

7.This characteristic is some summary to a certain number of results obtained in transonic flow study.

这一特征对跨声速流动中的若干结果有一定概括性。

8.A numerical method is presented for predicting unsteady transonic aerodynamic flow about aircraft wings with control surface.

本文介绍一种带操纵面机翼的非定常跨声速流的有限差分计算方法。

9.Numerical simulation of viscous flows through multistage transonic fans was carried out.

进行了多级跨音速风扇粘性流动的数值模拟研究。

10.The transonic 跨音速 flight regime poses unique challenges for aerodynamics.

transonic 跨音速飞行状态给空气动力学带来了独特的挑战。

11.Supersonic jets often encounter a transition through transonic 跨音速 speeds before reaching their cruising altitude.

超音速喷气机在达到巡航高度之前通常会经历一个通过transonic 跨音速速度的过渡。

12.Research on transonic 跨音速 flow is crucial for improving aircraft performance.

对transonic 跨音速流动的研究对提高飞机性能至关重要。

13.The aircraft was designed to operate efficiently in the transonic 跨音速 regime.

这架飞机的设计旨在高效地在<transonic>跨音速transonic>状态下运行。

14.During testing, the engineers observed unusual behavior as the plane approached transonic 跨音速 speeds.

在测试过程中，工程师们观察到飞机接近transonic 跨音速速度时出现异常行为。

作文

The field of aerodynamics has always fascinated engineers and scientists alike, especially when it comes to the study of flight. One of the most intriguing concepts in this domain is the term transonic, which refers to speeds that are close to the speed of sound. This range typically spans from Mach 0.8 to Mach 1.2. Understanding transonic flow is crucial for designing aircraft, as it presents unique challenges and phenomena that differ significantly from subsonic and supersonic speeds.When an aircraft approaches the transonic regime, it begins to experience changes in airflow around its structure. At subsonic speeds, air flows smoothly over the wings, allowing for stable lift generation. However, as the aircraft accelerates towards the speed of sound, compressibility effects start to take place. This means that the air molecules become compressed, leading to increased drag and the potential for shock waves to form. These shock waves can cause a sudden loss of control if not properly managed, making the transonic phase particularly critical during takeoff and landing.One significant challenge during transonic flight is the phenomenon known as 'wave drag.' As an aircraft transitions through the transonic range, it encounters an increase in aerodynamic drag due to the formation of shockwaves. Engineers must carefully design the shape of the aircraft to minimize this drag and ensure smooth airflow. This is why many modern aircraft feature sleek, elongated designs that help mitigate the adverse effects of transonic flight.Moreover, the effects of transonic speeds are not limited to commercial aviation. In military applications, where speed and maneuverability are paramount, understanding transonic dynamics can mean the difference between success and failure in a mission. Fighter jets, for instance, are often designed to operate efficiently within this speed range, allowing them to engage targets effectively while maintaining agility.In addition to practical applications, the study of transonic flow has led to numerous technological advancements. Computational fluid dynamics (CFD) simulations have become essential tools for engineers seeking to predict how aircraft will behave at these speeds. By modeling transonic airflow, researchers can optimize designs before physical prototypes are built, saving both time and resources. This integration of technology into aerospace engineering exemplifies how understanding transonic principles can push the boundaries of what is possible in flight.Furthermore, the implications of transonic research extend beyond aviation. The principles governing transonic flow are applicable in various fields, including automotive engineering and even sports science. For instance, understanding how vehicles behave at transonic speeds can lead to improved designs that enhance fuel efficiency and performance.In conclusion, the term transonic encapsulates a critical range of speeds in the study of aerodynamics. It represents a frontier where the behavior of air changes dramatically, posing both challenges and opportunities for engineers and scientists. As technology continues to advance, the importance of mastering transonic principles will only grow, paving the way for innovations in flight and beyond. Understanding transonic dynamics is not just about achieving speed; it's about unlocking new possibilities in the realm of transportation and exploration.

在空气动力学领域，工程师和科学家们一直对此感到着迷，尤其是在飞行研究方面。一个最引人入胜的概念是“transonic”这个术语，它指的是接近音速的速度范围。这个范围通常从马赫数0.8到马赫数1.2。理解transonic流动对于飞机设计至关重要，因为它带来了独特的挑战和现象，这些现象与亚音速和超音速速度有显著不同。当一架飞机接近transonic状态时，它开始经历围绕其结构的气流变化。在亚音速下，空气平稳地流过机翼，从而产生稳定的升力。然而，随着飞机加速接近音速，压缩效应开始发生。这意味着空气分子变得压缩，导致阻力增加，并可能形成激波。如果管理不当，这些激波可能导致突然失去控制，使得transonic阶段在起飞和着陆时尤为关键。在transonic飞行期间，一个显著的挑战是被称为“波阻力”的现象。当一架飞机穿越transonic范围时，由于激波的形成，它会遭遇气动阻力的增加。工程师必须小心设计飞机的形状，以最小化这种阻力并确保气流顺畅。这就是为什么许多现代飞机具有流线型、细长的设计，以帮助减轻transonic飞行的不利影响。此外，transonic速度的影响不仅限于商业航空。在军事应用中，速度和机动性至关重要，理解transonic动力学可能意味着任务成功与否之间的差异。例如，战斗机通常被设计为在这个速度范围内高效运行，使它们能够有效地打击目标，同时保持灵活性。除了实际应用外，transonic流动的研究还带来了许多技术进步。计算流体动力学（CFD）模拟已成为工程师预测飞机在这些速度下表现的重要工具。通过对transonic气流进行建模，研究人员可以在构建物理原型之前优化设计，从而节省时间和资源。这种技术与航空航天工程的结合体现了理解transonic原理如何推动飞行可能性的边界。此外，transonic研究的影响超出了航空领域。掌握transonic流动的原则适用于多个领域，包括汽车工程甚至体育科学。例如，了解车辆在transonic速度下的行为可以导致改进的设计，从而提高燃油效率和性能。总之，transonic这个术语概括了空气动力学研究中的一个关键速度范围。它代表了一个气流行为发生剧烈变化的前沿，给工程师和科学家带来了挑战和机遇。随着技术的不断进步，掌握transonic原理的重要性只会增加，为飞行和其他领域的创新铺平道路。理解transonic动力学不仅仅是关于实现速度；它是关于在交通和探索领域解锁新可能性。