irrotational
简明释义
英[ˌɪrəʊˈteɪʃənəl]美[ˌɪroʊˈteɪʃənl]
adj. 无旋的;无漩涡的
英英释义
Not exhibiting or involving rotation; a flow or field that has no rotational component. | 不表现或涉及旋转的;一种没有旋转成分的流动或场。 |
单词用法
一个无旋向量场 | |
无旋条件 | |
无旋流体动力学 | |
无旋近似 |
同义词
非旋转的 | In fluid dynamics, an irrotational flow is often assumed for simplicity. | 在流体动力学中,通常假设流动是非旋转的以简化分析。 | |
无旋度的 | The concept of curl-free fields is essential in electromagnetism. | 无旋度场的概念在电磁学中至关重要。 |
反义词
例句
1.The connection of the accumulator and the ACG startup motor is performed in short time of irrotational degree of the motor.
在马达不旋转的程度的短时间内进行蓄电池和ACG启动马达的连接。
2.It is the gliding irrotational wave pair, not the longitudinal wave beam itself that excites longitudinal wave in mud to generate signal.
激发出泥浆纵波而使接收器获得讯号的是滑行集散波,纵波声束并不直接激发泥浆纵波。
3.The water is idealized and assumed to be irrotational and non-viscous.
水被视作无旋、无粘性理想流体。
4.A little apart from the surf ace, the longitudinal wave beam may exist and propagate parallel to the surface, yet has to connect with its corresponding gliding irrotational waves.
离开固体表面稍远的区域,可以有平行于表面传播的纵波声束存在,但是需要与相应的滑行集散波相互衔接。
5.It is shown that it is the irrotational component of the active intensity that transfers sound energy in sound field.
在声场中真正传递声能量者仅是有功声强中的无旋分量。
6.Because the irrotational component of the active intensity depends on the surface sound intensity, measuring the surface sound intensity can avoid the effect of the rotation.
有功声强的无旋分量与表面声强有关,因此测量表面声强可避免有旋性的影响。
7.The free vibration of a multi layered cylindrical shell submerged in an irrotational, inviscid and compressible fluid is studied.
研究了无旋、无粘、可压缩流体中多层圆柱壳的自由振动问题。
8.The energy loss of the gliding irrotational wave pair is made up by the longitudinal wave beam.
滑行集散波由于激发泥浆纵波而受到的损耗,要由纵波声束给以补充。
9.The displacement current corresponding to a variable irrotational electric field does not excite any magnetic field.
对应于可变有源无旋电场的位移电流不激发磁场。
10.In fluid dynamics, an ideal fluid is often considered to be irrotational 无旋的, meaning that the fluid has no vorticity.
在流体动力学中,理想流体通常被认为是无旋的,这意味着流体没有涡度。
11.The concept of irrotational 无旋的 flow is crucial for simplifying the equations of motion in potential flow theory.
在势流理论中,无旋的流动概念对于简化运动方程至关重要。
12.To analyze the irrotational 无旋的 nature of a vortex, we apply the principles of vector calculus.
为了分析涡旋的无旋的性质,我们应用向量微积分的原理。
13.In electromagnetism, certain fields can be considered irrotational 无旋的 when they do not exhibit any curl.
在电磁学中,当某些场不表现出任何旋度时,可以认为它们是无旋的。
14.The mathematical model assumes that the flow is irrotational 无旋的 in order to simplify the calculations.
数学模型假设流动是无旋的以简化计算。
作文
In the study of fluid dynamics, the concept of irrotational flow plays a crucial role in understanding how fluids behave under various conditions. An irrotational flow is one where the fluid particles do not rotate about their center of mass as they move through space. This means that the vorticity, a measure of the local rotation of fluid elements, is zero throughout the flow field. Understanding irrotational flow is essential for simplifying complex fluid motion and allows engineers and scientists to apply mathematical models more effectively. One of the primary reasons why irrotational flow is significant is that it can be used to model potential flows. Potential flow theory assumes that the flow is both incompressible and irrotational. This assumption leads to the conclusion that the velocity potential exists, allowing us to describe the flow using a scalar function. By applying Bernoulli's equation, which relates pressure, velocity, and elevation within a fluid, we can derive important insights into how fluids interact with solid boundaries and other fluids. For instance, consider a scenario involving an airplane wing. The air flowing around the wing can be approximated as irrotational under certain conditions. When the wing moves through the air, it creates a difference in pressure above and below the wing surface, resulting in lift. By analyzing this irrotational flow, engineers can optimize wing designs to improve performance and fuel efficiency. Moreover, irrotational flow is not limited to aerodynamics; it also applies to hydrodynamics. In the case of water flowing over a dam or through a pipe, the irrotational approximation can simplify calculations related to flow rates and pressures. This is particularly useful in civil engineering, where understanding fluid behavior is vital for designing structures such as bridges, dams, and water treatment facilities. However, it is essential to note that while the irrotational flow assumption can simplify many problems, real-world fluids often exhibit rotational characteristics due to viscosity and turbulence. In these cases, the irrotational model may not accurately depict the flow behavior, necessitating more complex approaches such as computational fluid dynamics (CFD) to capture the effects of rotation and turbulence. In conclusion, the concept of irrotational flow is fundamental in fluid dynamics, providing a simplified framework for analyzing fluid motion in various applications. By understanding the principles of irrotational flow, engineers and scientists can make informed decisions when designing systems that rely on fluid behavior. While the irrotational approximation has its limitations, it remains a powerful tool in the field of fluid mechanics, enabling advancements in technology and engineering practices. As we continue to explore the complexities of fluid behavior, the concept of irrotational flow will undoubtedly remain a cornerstone of our understanding.
在流体动力学的研究中,irrotational(无旋转)流动的概念在理解流体在各种条件下的行为中起着至关重要的作用。irrotational流动是指流体粒子在空间移动时不会围绕其质心旋转。这意味着涡度,即流体元素局部旋转的量度,在整个流场中为零。理解irrotational流动对于简化复杂的流体运动至关重要,使工程师和科学家能够更有效地应用数学模型。 irrotational流动之所以重要的主要原因之一是它可以用于模拟势流。势流理论假设流动既不可压缩又irrotational。这一假设导致我们得出速度势存在的结论,从而允许我们使用标量函数来描述流动。通过应用伯努利方程,该方程涉及流体中的压力、速度和高度,我们可以深入了解流体如何与固体边界和其他流体相互作用。 例如,考虑一个飞机机翼的场景。流过机翼的空气可以在某些条件下近似为irrotational。当机翼在空气中移动时,会在机翼表面上方和下方产生压力差,从而产生升力。通过分析这种irrotational流动,工程师可以优化机翼设计,以提高性能和燃油效率。 此外,irrotational流动不仅限于气动学;它也适用于水动力学。在水流过大坝或通过管道的情况下,irrotational近似可以简化与流量和压力相关的计算。这在土木工程中尤为重要,因为理解流体行为对设计桥梁、大坝和水处理设施等结构至关重要。 然而,必须注意的是,尽管irrotational流动假设可以简化许多问题,但现实世界中的流体由于粘性和湍流往往表现出旋转特性。在这些情况下,irrotational模型可能无法准确描绘流动行为,因此需要更复杂的方法,例如计算流体动力学(CFD),以捕捉旋转和湍流的影响。 总之,irrotational流动的概念在流体动力学中是基础,为分析各种应用中的流体运动提供了简化框架。通过理解irrotational流动的原理,工程师和科学家可以在设计依赖于流体行为的系统时做出明智的决策。虽然irrotational近似有其局限性,但它仍然是流体力学领域的一种强大工具,推动技术和工程实践的进步。随着我们继续探索流体行为的复杂性,irrotational流动的概念无疑将继续成为我们理解的基石。
文章标题:irrotational的意思是什么
文章链接:https://www.liuxue886.cn/danci/398642.html
本站文章均为原创,未经授权请勿用于任何商业用途
发表评论