coefficient of dynamic viscosity
简明释义
动力粘性系数
英英释义
The coefficient of dynamic viscosity is a measure of a fluid's resistance to flow and deformation under an applied shear stress. | 动态粘度系数是流体在施加剪切应力下对流动和变形的阻力的度量。 |
例句
1.Researchers measured the coefficient of dynamic viscosity 动态粘度系数 of various liquids at different temperatures.
研究人员在不同温度下测量了各种液体的动态粘度系数 coefficient of dynamic viscosity。
2.Engineers must consider the coefficient of dynamic viscosity 动态粘度系数 when designing fluid transport systems.
工程师在设计流体输送系统时必须考虑动态粘度系数 coefficient of dynamic viscosity。
3.The coefficient of dynamic viscosity 动态粘度系数 of honey is significantly higher than that of water.
蜂蜜的动态粘度系数 coefficient of dynamic viscosity 明显高于水的。
4.The coefficient of dynamic viscosity 动态粘度系数 of water decreases as the temperature increases.
水的动态粘度系数 coefficient of dynamic viscosity 随着温度的升高而降低。
5.In lubrication studies, the coefficient of dynamic viscosity 动态粘度系数 is crucial for determining the effectiveness of oils.
在润滑研究中,动态粘度系数 coefficient of dynamic viscosity 对于确定油品的有效性至关重要。
作文
The study of fluid mechanics is a fascinating field that encompasses various concepts to understand how fluids behave under different conditions. One of the critical parameters in this domain is the coefficient of dynamic viscosity, which plays a significant role in characterizing the flow of fluids. The coefficient of dynamic viscosity (动态粘度系数) measures a fluid's resistance to shear or flow. It is an essential property that helps engineers and scientists predict how fluids will move in various applications, from industrial processes to natural phenomena.To grasp the importance of the coefficient of dynamic viscosity, it is vital to understand what viscosity itself means. Viscosity is a measure of a fluid's thickness or internal friction. For instance, honey has a higher viscosity than water, meaning it flows more slowly. The coefficient of dynamic viscosity quantifies this property and is typically expressed in units of Pascal-seconds (Pa·s) or poise (P), where 1 P = 0.1 Pa·s.In practical terms, the coefficient of dynamic viscosity influences various phenomena, such as the behavior of oil in engines, the flow of blood in arteries, and even the movement of air around aircraft. Understanding this coefficient allows engineers to design systems that can efficiently handle fluids, ensuring optimal performance and safety.For example, in the automotive industry, the coefficient of dynamic viscosity of engine oil is crucial. Engineers must select oils with appropriate viscosities to ensure that they flow easily at low temperatures while maintaining sufficient thickness at high temperatures to protect engine components. If the viscosity is too low, the oil may not provide adequate lubrication, leading to increased wear and tear. Conversely, if the viscosity is too high, the oil may not flow properly, causing overheating and potential engine failure.Moreover, the coefficient of dynamic viscosity is also significant in the food industry. Different food products have varying viscosities, affecting their processing and packaging. For instance, sauces, dressings, and other liquids must have specific viscosities to ensure proper mixing, pouring, and stability during storage. Understanding the coefficient of dynamic viscosity helps food scientists develop products that meet consumer expectations for texture and consistency.In addition to industrial applications, the coefficient of dynamic viscosity is crucial in natural processes. For example, the flow of lava during a volcanic eruption is influenced by its viscosity. Scientists study the coefficient of dynamic viscosity of different types of magma to predict how quickly it will flow and the potential impact on surrounding areas. This understanding can be vital for disaster preparedness and risk mitigation.In conclusion, the coefficient of dynamic viscosity (动态粘度系数) is a fundamental concept in fluid mechanics that has far-reaching implications across various fields. By measuring a fluid's resistance to flow, this coefficient enables scientists and engineers to predict fluid behavior in numerous applications, from automotive engineering to food production and environmental science. As we continue to explore the complexities of fluid dynamics, the significance of the coefficient of dynamic viscosity will undoubtedly remain a focal point in both theoretical research and practical applications.
流体力学的研究是一个迷人的领域,涵盖了各种概念,以理解流体在不同条件下的行为。在这个领域中,一个关键参数是动态粘度系数,它在表征流体流动方面发挥着重要作用。动态粘度系数(coefficient of dynamic viscosity)测量流体对剪切或流动的阻力。这是一个基本属性,帮助工程师和科学家预测流体在各种应用中的运动,从工业过程到自然现象。要理解动态粘度系数的重要性,首先必须了解粘度本身的含义。粘度是流体厚度或内部摩擦的测量。例如,蜂蜜的粘度高于水,这意味着它流动得更慢。动态粘度系数量化了这一属性,通常以帕斯卡·秒(Pa·s)或泊(P)为单位表示,其中1 P = 0.1 Pa·s。在实际应用中,动态粘度系数影响多种现象,例如油在发动机中的行为、血液在动脉中的流动,甚至飞机周围的空气运动。理解这一系数使工程师能够设计能够有效处理流体的系统,确保最佳性能和安全性。例如,在汽车工业中,发动机油的动态粘度系数至关重要。工程师必须选择适当粘度的油,以确保它们在低温下能顺利流动,同时在高温下保持足够的厚度以保护发动机部件。如果粘度过低,油可能无法提供足够的润滑,导致磨损增加。相反,如果粘度过高,油可能无法正确流动,导致过热和潜在的发动机故障。此外,动态粘度系数在食品行业中也具有重要意义。不同的食品产品具有不同的粘度,影响其加工和包装。例如,酱汁、调味品和其他液体必须具有特定的粘度,以确保在混合、倒出和储存期间的适当稳定性。理解动态粘度系数帮助食品科学家开发满足消费者对质地和一致性的期望的产品。除了工业应用,动态粘度系数在自然过程中也至关重要。例如,火山喷发期间熔岩的流动受其粘度的影响。科学家研究不同类型岩浆的动态粘度系数,以预测其流动速度及其对周围地区的潜在影响。这种理解对于灾害准备和风险缓解至关重要。总之,动态粘度系数(coefficient of dynamic viscosity)是流体力学中的一个基本概念,在各个领域具有深远的影响。通过测量流体对流动的阻力,这一系数使科学家和工程师能够预测流体在众多应用中的行为,从汽车工程到食品生产再到环境科学。随着我们继续探索流体动力学的复杂性,动态粘度系数的重要性无疑将继续成为理论研究和实际应用的重点。
相关单词