rate of dilatation

简明释义

膨胀率

英英释义

例句

1.Understanding the rate of dilatation is crucial for designing bridges that can expand and contract.

理解膨胀率对于设计能够膨胀和收缩的桥梁至关重要。

2.Researchers observed that the rate of dilatation varied significantly between different types of glass.

研究人员观察到，不同类型的玻璃之间的膨胀率差异显著。

3.The engineer calculated the rate of dilatation to ensure the materials would withstand temperature changes.

工程师计算了膨胀率以确保材料能够承受温度变化。

4.In the study, the rate of dilatation of the liquid was measured under various pressure conditions.

在研究中，液体的膨胀率在不同压力条件下被测量。

5.The rate of dilatation of metals increases with temperature, which affects their structural integrity.

金属的膨胀率随着温度的升高而增加，这影响了它们的结构完整性。

作文

Understanding the concept of rate of dilatation is essential in various fields, particularly in physics and engineering. The term refers to the measure of how much a material expands per unit length when subjected to changes in temperature or pressure. This phenomenon is crucial in designing structures, manufacturing materials, and even in everyday applications like cooking. In this essay, we will explore the significance of rate of dilatation in different contexts, its mathematical representation, and its practical implications.Firstly, let's consider the physical principles behind rate of dilatation. When a substance is heated, its particles gain energy and move apart, causing the material to expand. The rate of dilatation quantifies this expansion, typically expressed in units such as meters per meter per degree Celsius (m/m/°C). This measurement is vital for engineers who need to account for thermal expansion in their designs. For instance, when constructing bridges or railways, engineers must ensure that materials can accommodate the changes in size due to temperature fluctuations.In the context of materials science, the rate of dilatation helps in selecting appropriate materials for specific applications. Different materials have varying rates of expansion; metals generally expand more than ceramics or glass when heated. Understanding these differences allows engineers to choose the right materials that can withstand environmental changes without compromising structural integrity. For example, in aerospace engineering, where extreme temperature variations are common, knowing the rate of dilatation of materials is crucial for ensuring the safety and performance of aircraft.Moreover, the rate of dilatation has significant implications in everyday life. Consider the process of cooking: when heating food, the materials involved expand. If the rate of dilatation is not taken into account, dishes may crack or break under high temperatures. Similarly, in manufacturing processes, understanding how materials behave under heat can lead to better product quality and durability. For example, in glassblowing, artisans must be aware of the rate of dilatation of glass to create beautiful and functional pieces without risking breakage.Mathematically, the rate of dilatation can be represented by the formula: α = ΔL / (L0 * ΔT), where α is the coefficient of linear expansion, ΔL is the change in length, L0 is the original length, and ΔT is the change in temperature. This equation illustrates how the rate of dilatation is directly proportional to the change in temperature and the original length of the material. Understanding this relationship allows scientists and engineers to predict how materials will behave under various conditions, enabling better planning and design.In conclusion, the rate of dilatation is a fundamental concept that plays a critical role in multiple disciplines. Its significance spans from engineering and materials science to everyday applications. By understanding how different materials expand when subjected to temperature changes, we can make informed decisions in design, manufacturing, and cooking. As we continue to advance in technology and materials, the importance of accurately measuring and applying the rate of dilatation will only grow, highlighting its relevance in our increasingly complex world.

理解膨胀速率的概念在物理学和工程学等多个领域至关重要。该术语指的是材料在温度或压力变化时每单位长度的扩展量。这种现象在设计结构、制造材料以及日常应用（如烹饪）中都非常重要。在本文中，我们将探讨膨胀速率在不同背景下的重要性、其数学表示及其实际影响。首先，让我们考虑膨胀速率背后的物理原理。当物质被加热时，其粒子获得能量并分开，导致材料膨胀。膨胀速率量化了这种膨胀，通常以米每米每摄氏度（m/m/°C）为单位进行表达。这一测量对于需要在设计中考虑热膨胀的工程师至关重要。例如，在建造桥梁或铁路时，工程师必须确保材料能够适应由于温度波动引起的尺寸变化。在材料科学的背景下，膨胀速率有助于选择适合特定应用的材料。不同材料的膨胀速率各不相同；金属通常比陶瓷或玻璃在加热时膨胀得更多。了解这些差异使工程师能够选择合适的材料，以承受环境变化而不损害结构完整性。例如，在航空航天工程中，极端温度变化是常见的，因此了解材料的膨胀速率对于确保飞机的安全性和性能至关重要。此外，膨胀速率在日常生活中也具有重要意义。考虑烹饪过程：加热食物时，涉及的材料会膨胀。如果不考虑膨胀速率，盘子可能会在高温下破裂或破碎。同样，在制造过程中，了解材料在热作用下的行为可以提高产品质量和耐用性。例如，在吹制玻璃时，工匠必须意识到玻璃的膨胀速率，以创造出美丽且实用的作品，而不冒破裂的风险。在数学上，膨胀速率可以通过公式表示：α = ΔL / (L0 * ΔT)，其中α是线性膨胀系数，ΔL是长度变化，L0是原始长度，ΔT是温度变化。这个方程说明了膨胀速率与温度变化和材料原始长度之间的直接比例关系。理解这种关系使科学家和工程师能够预测材料在不同条件下的行为，从而更好地进行规划和设计。总之，膨胀速率是一个基本概念，在多个学科中发挥着关键作用。其重要性从工程和材料科学延伸到日常应用。通过了解不同材料在温度变化时如何膨胀，我们可以在设计、制造和烹饪中做出明智的决策。随着我们在技术和材料方面的不断进步，准确测量和应用膨胀速率的重要性只会增加，突显了其在我们日益复杂的世界中的相关性。