law of mechanical similitude

简明释义

力学相似定律

英英释义

例句

1.In aerodynamics, the law of mechanical similitude 机械相似定律 is crucial for understanding airflow over different sized wings.

在空气动力学中，机械相似定律对于理解不同尺寸机翼上的气流至关重要。

2.The law of mechanical similitude 机械相似定律 helps in predicting the behavior of full-scale structures from small-scale models.

通过小型模型预测全尺寸结构行为的过程依赖于机械相似定律。

3.Researchers applied the law of mechanical similitude 机械相似定律 to ensure their experiments accurately reflected real-world scenarios.

研究人员应用机械相似定律以确保他们的实验准确反映现实场景。

4.Engineers often rely on the law of mechanical similitude 机械相似定律 when designing scale models for testing.

工程师在设计测试用的缩尺模型时，常常依赖于机械相似定律。

5.The law of mechanical similitude 机械相似定律 allows scientists to create reliable simulations of natural phenomena.

通过机械相似定律，科学家能够创建自然现象的可靠模拟。

作文

The concept of the law of mechanical similitude is fundamental in engineering and physics, providing a framework for understanding how different systems behave under varying conditions. This principle asserts that if two systems are geometrically similar, their dynamic behavior can be predicted based on the ratios of their corresponding dimensions. In simpler terms, the law of mechanical similitude allows us to analyze small-scale models to infer the behavior of full-scale structures or systems. This is particularly useful in fields such as aerodynamics, hydrodynamics, and structural engineering.For instance, when engineers design an aircraft, they often create a scale model to test in wind tunnels. By applying the law of mechanical similitude, they can ensure that the forces acting on the model will accurately represent those acting on the full-sized aircraft. This involves maintaining the same shape and proportions while adjusting the speed and density of the air to match the conditions the actual aircraft will face. The results obtained from these tests can then be scaled up to predict the performance of the full-size model, saving time and resources in the design process.Moreover, the law of mechanical similitude extends beyond aviation. In civil engineering, it is used to study the effects of wind on buildings and bridges. Engineers create models of structures to observe how they respond to wind loads, ensuring that they can withstand real-world conditions. By applying this law, they can determine critical factors such as stability and safety before construction begins.The law of mechanical similitude also plays a crucial role in fluid dynamics. For example, in the design of ships and submarines, engineers rely on scale models to understand how these vessels will perform in water. They test the models in controlled environments, measuring variables such as drag and lift, which are essential for optimizing the design of the actual vessel. This method not only enhances performance but also reduces costs associated with trial and error during the construction phase.In summary, the law of mechanical similitude is a vital principle that enables scientists and engineers to make accurate predictions about the behavior of physical systems. By studying smaller, manageable models, they can extrapolate data to larger systems, thereby improving efficiency and safety in various applications. As technology advances, the importance of this law will only grow, allowing for more sophisticated designs and innovations across multiple fields. Understanding and applying the law of mechanical similitude is essential for anyone involved in the design and analysis of physical systems, ensuring that we can create solutions that are both effective and reliable.

“机械相似定律”这一概念在工程和物理学中是基础性的，它为理解不同系统在不同条件下的行为提供了框架。这个原则断言，如果两个系统在几何上相似，那么它们的动态行为可以基于其对应维度的比例来预测。简单来说，“机械相似定律”使我们能够分析小规模模型，从而推断全尺度结构或系统的行为。这在空气动力学、水动力学和结构工程等领域尤为有用。例如，当工程师设计飞机时，他们通常会创建一个缩放模型以在风洞中进行测试。通过应用“机械相似定律”，他们可以确保作用在模型上的力将准确代表作用在全尺寸飞机上的力。这涉及到保持相同的形状和比例，同时调整速度和空气密度，以匹配实际飞机将面临的条件。从这些测试中获得的结果可以被放大，以预测全尺寸模型的性能，从而节省设计过程中的时间和资源。此外，“机械相似定律”不仅限于航空。在土木工程中，它用于研究风对建筑物和桥梁的影响。工程师创建结构模型，以观察它们如何应对风载荷，确保它们能够承受现实世界的条件。通过应用这一定律，他们可以确定在施工开始之前的稳定性和安全性等关键因素。“机械相似定律”在流体动力学中也起着至关重要的作用。例如，在船舶和潜艇的设计中，工程师依赖于缩放模型来了解这些船只在水中的表现。他们在控制环境中测试模型，测量如阻力和升力等变量，这对于优化实际船只的设计至关重要。这种方法不仅提高了性能，还减少了在施工阶段试错所需的成本。总之，“机械相似定律”是一个重要的原则，使科学家和工程师能够准确预测物理系统的行为。通过研究较小、可管理的模型，他们可以将数据外推到更大的系统，从而提高各种应用的效率和安全性。随着技术的发展，这一法则的重要性只会增加，从而在多个领域推动更复杂的设计和创新。理解并应用“机械相似定律”对于任何参与物理系统设计和分析的人来说都是至关重要的，确保我们能够创造出既有效又可靠的解决方案。