kinematic viscosity

简明释义

运动粘度

英英释义

例句

1.The kinematic viscosity of water changes with temperature, affecting its flow rate.

水的运动粘度随着温度的变化而变化，影响其流速。

2.In fluid dynamics, kinematic viscosity is essential for predicting the flow behavior of liquids.

在流体动力学中，运动粘度对于预测液体的流动行为至关重要。

3.To ensure optimal performance, the kinematic viscosity of the hydraulic fluid must be regularly tested.

为了确保最佳性能，液压油的运动粘度必须定期测试。

4.A higher kinematic viscosity indicates a thicker fluid that flows more slowly.

较高的运动粘度表示流体更稠，流动速度更慢。

5.The engineer measured the kinematic viscosity of the oil to determine its suitability for the machinery.

工程师测量了油的运动粘度以确定其是否适合该机器。

作文

Kinematic viscosity is a fundamental property of fluids that plays a crucial role in various fields, including engineering, physics, and environmental science. In simple terms, kinematic viscosity (运动粘度) measures a fluid's resistance to flow under the influence of gravity. It is defined as the ratio of dynamic viscosity to fluid density, allowing us to understand how easily a fluid can move and deform under applied forces.Understanding kinematic viscosity (运动粘度) is essential for engineers who design systems involving fluid flow, such as pipelines, pumps, and turbines. For instance, in the oil and gas industry, knowing the kinematic viscosity (运动粘度) of crude oil is vital for determining how it will behave during extraction and transportation. If the kinematic viscosity (运动粘度) is too high, it may lead to increased resistance in pipelines, requiring more energy to pump the fluid, which can significantly raise operational costs.Moreover, in the field of environmental science, kinematic viscosity (运动粘度) is crucial for understanding how pollutants disperse in water bodies. When assessing the impact of oil spills, for example, scientists must evaluate the kinematic viscosity (运动粘度) of the spilled oil to predict its movement and behavior in aquatic ecosystems. A higher kinematic viscosity (运动粘度) indicates that the oil will spread more slowly, affecting the cleanup strategies employed by environmental agencies.In addition to practical applications, kinematic viscosity (运动粘度) also has theoretical implications. It is an important parameter in fluid dynamics, influencing the Reynolds number, which helps predict flow patterns in different fluid regimes. The Reynolds number is a dimensionless quantity that characterizes the flow of fluids; it determines whether the flow is laminar or turbulent. A low Reynolds number indicates laminar flow, where the fluid moves in smooth layers, while a high Reynolds number signifies turbulent flow, characterized by chaotic and irregular movements.The measurement of kinematic viscosity (运动粘度) can be performed using various methods, including capillary viscometers and rotational viscometers. These instruments provide precise readings that are crucial for quality control in manufacturing processes, especially in industries like food production and pharmaceuticals, where the consistency of liquids is paramount.In conclusion, kinematic viscosity (运动粘度) is a vital concept that permeates numerous scientific and engineering disciplines. Its ability to describe fluid behavior under gravitational forces makes it indispensable for designing efficient systems and understanding environmental impacts. As we continue to advance in technology and science, the importance of accurately measuring and interpreting kinematic viscosity (运动粘度) will only grow, highlighting the need for ongoing research and education in this field. By deepening our understanding of kinematic viscosity (运动粘度), we can better address challenges related to fluid dynamics and develop innovative solutions for real-world problems.

运动粘度是流体的一个基本属性，在工程、物理学和环境科学等多个领域中发挥着至关重要的作用。简单来说，kinematic viscosity（运动粘度）测量流体在重力作用下流动的阻力。它被定义为动态粘度与流体密度的比率，使我们能够理解流体在施加力的情况下如何容易地移动和变形。理解kinematic viscosity（运动粘度）对于设计涉及流体流动的系统的工程师至关重要，例如管道、泵和涡轮机。例如，在石油和天然气行业，了解原油的kinematic viscosity（运动粘度）对于确定其在提取和运输过程中的行为至关重要。如果kinematic viscosity（运动粘度）过高，可能会导致管道中的阻力增加，从而需要更多的能量来抽送流体，这可能显著提高运营成本。此外，在环境科学领域，kinematic viscosity（运动粘度）对于理解污染物在水体中的扩散至关重要。例如，在评估石油泄漏的影响时，科学家们必须评估泄漏油的kinematic viscosity（运动粘度），以预测其在水生生态系统中的运动和行为。较高的kinematic viscosity（运动粘度）表明油将扩散得更慢，从而影响环境机构采用的清理策略。除了实际应用，kinematic viscosity（运动粘度）还有理论意义。它是流体动力学中的一个重要参数，影响雷诺数，雷诺数有助于预测不同流体状态下的流动模式。雷诺数是一个无量纲量，表征流体的流动；它决定流动是层流还是湍流。低雷诺数表示层流，流体以平滑的层次移动，而高雷诺数则表示湍流，特征是混乱和不规则的运动。kinematic viscosity（运动粘度）的测量可以通过多种方法进行，包括毛细管粘度计和旋转粘度计。这些仪器提供精确的读数，对于制造过程中的质量控制至关重要，尤其是在食品生产和制药等行业中，液体的一致性至关重要。总之，kinematic viscosity（运动粘度）是一个渗透多个科学和工程学科的重要概念。它描述流体在重力作用下的行为，使其对设计高效系统和理解环境影响不可或缺。随着我们在科技和科学上的不断进步，准确测量和解释kinematic viscosity（运动粘度）的重要性只会增加，突显出在这一领域持续研究和教育的必要性。通过深化我们对kinematic viscosity（运动粘度）的理解，我们可以更好地应对与流体动力学相关的挑战，并为现实问题开发创新解决方案。