inviscid

简明释义

英[ɪnˈvɪsɪd]美[ɪnˈvɪsɪd]

adj. 非粘性的；非黏性流的

英英释义

单词用法

同义词

反义词

例句

1.The inviscid flow is obtained by the numerical solution of fully potential equation.

跨声速无粘流用全速势方程模拟。

2.The results show that the interaction between a viscous vortex ring and a free surface is different from the inviscid one.

结果表明：由于粘性的存在，使得涡环与自由表面的相互作用与无粘情形相比有许多不同。

3.The gas and liquid are considered to be inviscid.

液体与气体均不计粘性。

4.A vortex panel method is presented to simulate low speed inviscid separated flow past an airfoil with a spoiler.

本文介绍用涡面元法模拟带扰流片的翼型低速无粘分离绕流。

5.Numerical analyses of the transonic nozzle inviscid flow and supersonic jet impingement on a jet TAB are presented.

采用数值分析方法分析了跨声速喷管无粘流动和超声速射流对挡流板的冲击流场。

6.We investigate the linear stability of a shocked accretion flow onto a black hole with the following procedures: First, we study the stability in the inviscid isothermal limit.

我们按如下步骤研究了含激波的黑洞吸积流的线性稳定性问题：首先，我们研究无粘滞的等温吸积流。

7.We investigate the linear stability of a shocked accretion flow onto a black hole with the following procedures: First, we study the stability in the inviscid isothermal limit.

我们按如下步骤研究了含激波的黑洞吸积流的线性稳定性问题：首先，我们研究无粘滞的等温吸积流。

8.Based on theoretical analysis, inviscid Helmholtz vorticity equation is used to in paint image.

理论分析证明，流体力学中无粘亥姆霍兹涡量方程可以实现图像修复。

9.In fluid dynamics, we often analyze the behavior of an inviscid 无粘性的 fluid to simplify our calculations.

在流体动力学中，我们经常分析无粘性的流体的行为，以简化我们的计算。

10.The equations governing the motion of an inviscid 无粘性的 fluid are derived from the Navier-Stokes equations without the viscosity term.

描述无粘性的流体运动的方程是从Navier-Stokes方程中去掉粘性项推导而来的。

11.When modeling air flow over a wing, we can assume the air behaves as an inviscid 无粘性的 fluid at high speeds.

在建模翼型上的气流时，我们可以假设空气在高速下表现为无粘性的流体。

12.The concept of inviscid 无粘性的 flow is crucial in understanding potential flow theory.

理解势流理论时，无粘性的流动概念至关重要。

13.In an inviscid 无粘性的 fluid, there are no shear stresses acting within the fluid layers.

在无粘性的流体中，流体层之间没有剪切应力作用。

作文

In the study of fluid dynamics, one often encounters various types of fluids, each with distinct properties that dictate their behavior under different conditions. Among these classifications, the term inviscid refers to an idealized fluid that has no viscosity, meaning it experiences no internal friction when layers of fluid move relative to one another. This concept is crucial in simplifying the analysis of fluid flow, particularly in theoretical frameworks where the complexities of real-world fluids can obscure fundamental principles. To better understand the implications of inviscid flow, consider the example of air flowing over an airplane wing. In reality, air exhibits viscosity, and this property contributes to drag, which affects the performance of the aircraft. However, for the sake of mathematical modeling, engineers often assume that the airflow around the wing is inviscid. This assumption allows them to apply Bernoulli's equation more easily, leading to insights into lift generation and overall aerodynamic efficiency. The concept of inviscid flow is not merely theoretical; it serves as a foundation for more complex analyses. By starting with the assumption of an inviscid fluid, scientists and engineers can gradually introduce factors such as viscosity and compressibility to develop a more comprehensive understanding of fluid behavior. This stepwise approach is essential in fields such as aerospace engineering, where precise calculations are necessary for designing efficient and safe aircraft. Another interesting application of the inviscid model is in the realm of oceanography. Ocean currents and waves can be analyzed using inviscid fluid dynamics to predict patterns and behaviors in large bodies of water. While the oceans are certainly not inviscid, applying this idealized model helps researchers gain insights into the movement of water masses, which is vital for navigation, climate studies, and marine biology. Despite its utility, it is important to recognize the limitations of the inviscid assumption. Real fluids always exhibit some degree of viscosity, which can lead to phenomena like turbulence and boundary layer formation. These effects are critical in many applications, from predicting weather patterns to designing efficient pipelines. Therefore, while the inviscid model provides a valuable starting point, it must eventually be adjusted to account for the complexities of real-world fluids. In conclusion, the term inviscid plays a significant role in fluid dynamics by allowing for the simplification of complex fluid behavior. It helps engineers and scientists develop models that enhance our understanding of various systems, ranging from aircraft design to ocean currents. While the inviscid assumption is not without its limitations, it serves as a crucial stepping stone toward more accurate and comprehensive analyses of fluid flow. As we continue to explore the intricacies of fluid dynamics, the balance between idealization and realism will remain a key consideration in our quest to harness the power of fluids in technology and nature.

在流体动力学的研究中，人们经常会遇到各种类型的流体，每种流体都有不同的特性，这些特性决定了它们在不同条件下的行为。在这些分类中，术语无粘性指的是一种理想化的流体，它没有粘度，这意味着当流体的层相对运动时，它不会经历内部摩擦。这个概念对于简化流体流动的分析至关重要，特别是在理论框架中，现实世界流体的复杂性可能会掩盖基本原理。 为了更好地理解无粘性流动的含义，可以考虑空气流过飞机机翼的例子。在现实中，空气表现出粘度，而这一特性会导致阻力，从而影响飞机的性能。然而，为了便于数学建模，工程师们通常假设机翼周围的气流是无粘性的。这一假设使他们能够更轻松地应用伯努利方程，从而深入了解升力产生和整体气动效率。 无粘性流体的概念不仅仅是理论上的；它为更复杂的分析奠定了基础。通过从无粘性流体的假设开始，科学家和工程师可以逐步引入诸如粘度和可压缩性等因素，以便更全面地理解流体行为。这种逐步的方法在航空航天工程等领域至关重要，因为在这些领域，精确的计算对于设计高效且安全的飞机是必要的。 无粘性模型的另一个有趣应用是在海洋学领域。可以使用无粘性流体动力学分析海洋洋流和波浪，以预测大水体中的模式和行为。虽然海洋绝对不是无粘性的，但应用这一理想化模型有助于研究人员获得对水体运动的洞见，这对于导航、气候研究和海洋生物学至关重要。 尽管无粘性假设很有用，但必须认识到其局限性。真实的流体总是表现出一定程度的粘度，这可能导致湍流和边界层形成等现象。这些影响在许多应用中至关重要，从预测天气模式到设计高效的管道。因此，尽管无粘性模型提供了一个有价值的起点，但最终必须调整以考虑现实流体的复杂性。 总之，术语无粘性在流体动力学中发挥了重要作用，通过简化复杂的流体行为，帮助工程师和科学家开发模型，增强我们对各种系统的理解，从飞机设计到海洋洋流。虽然无粘性假设并非没有局限性，但它作为通往更准确和全面的流体流动分析的重要基石。随着我们继续探索流体动力学的复杂性，在理想化与现实之间的平衡将始终是我们在技术和自然中利用流体力量的追求中的关键考虑因素。