contraction coefficient

简明释义

收缩率

英英释义

例句

1.To ensure accuracy, the team measured the contraction coefficient multiple times during the experiment.

为了确保准确性，团队在实验过程中多次测量收缩系数。

2.The contraction coefficient is essential for predicting how concrete will behave as it cures.

在混凝土固化时，收缩系数对于预测其行为至关重要。

3.The engineer calculated the contraction coefficient to determine how much the material would shrink when cooled.

工程师计算了收缩系数以确定材料在冷却时会收缩多少。

4.The contraction coefficient of the metal was found to be higher than expected, leading to adjustments in the design.

该金属的收缩系数被发现高于预期，导致设计需要调整。

5.In our thermodynamics class, we learned that the contraction coefficient is crucial for understanding material behavior under temperature changes.

在我们的热力学课上，我们了解到收缩系数对于理解材料在温度变化下的行为至关重要。

作文

In the field of physics and engineering, understanding various coefficients is crucial for analyzing materials and their behaviors under different conditions. One important term that often arises in discussions about material properties is the contraction coefficient. The contraction coefficient (收缩系数) refers to a measure of how much a material contracts when it is cooled or when the pressure is reduced. This property is particularly significant in industries where temperature fluctuations are common, such as in construction and manufacturing.When a material is heated, its molecules gain energy and move apart, causing the material to expand. Conversely, when the temperature decreases, the molecules lose energy and come closer together, resulting in contraction. The contraction coefficient quantifies this behavior, providing engineers and scientists with a reliable number to predict how much a material will shrink under specific temperature changes.For example, consider a metal rod that is used in the construction of a bridge. If the temperature drops significantly during the night, the rod will contract. By knowing the contraction coefficient of the metal, engineers can calculate how much the rod will shrink, ensuring that the design accommodates this change without compromising the integrity of the structure.The contraction coefficient is not uniform across all materials; different substances have different rates of contraction. For instance, metals typically have a lower contraction coefficient compared to plastics. This difference is essential for engineers when selecting materials for specific applications. If a project involves combining multiple materials, understanding their respective contraction coefficients becomes even more critical. Mismatched contraction rates can lead to stress points, warping, or even failure of the structure over time.Additionally, the contraction coefficient can be influenced by external factors such as humidity and pressure. In environments where these factors fluctuate, engineers must take them into account to avoid unexpected issues. For example, in aerospace engineering, where materials face extreme conditions, accurately measuring the contraction coefficient is vital for ensuring the safety and performance of aircraft.Moreover, the contraction coefficient plays a role in everyday applications as well. Consider the manufacturing of glass bottles. During the cooling process, the glass must contract uniformly to avoid creating weak spots that could lead to breakage. Understanding the contraction coefficient of glass helps manufacturers set the right cooling rates, ensuring the final product is both durable and functional.In conclusion, the contraction coefficient is a fundamental parameter that affects many aspects of material science and engineering. Its significance cannot be overstated, as it aids in predicting how materials behave under temperature changes and ensures the reliability of structures and products. By mastering the concept of the contraction coefficient, professionals in various fields can make informed decisions that enhance safety, efficiency, and performance in their projects. Understanding this coefficient is not just an academic exercise; it has real-world implications that impact our daily lives and the built environment around us.

在物理和工程领域，理解各种系数对于分析材料及其在不同条件下的行为至关重要。一个常常出现在材料属性讨论中的重要术语是收缩系数。收缩系数（contraction coefficient）指的是一种材料在冷却或压力降低时收缩的程度。这一特性在温度波动普遍存在的行业中尤为重要，例如建筑和制造业。当材料被加热时，其分子获得能量并相互远离，导致材料膨胀。相反，当温度降低时，分子失去能量并靠近，从而导致收缩。收缩系数量化了这种行为，为工程师和科学家提供了一个可靠的数字，以预测材料在特定温度变化下将收缩多少。例如，考虑一个用于桥梁建设的金属杆。如果夜间温度显著下降，该杆将收缩。通过了解金属的收缩系数，工程师可以计算出杆将收缩多少，从而确保设计能够适应这一变化，而不影响结构的完整性。收缩系数并不是所有材料都统一的；不同的物质具有不同的收缩速率。例如，金属通常具有比塑料更低的收缩系数。这一差异对于工程师在选择特定应用的材料时至关重要。如果一个项目涉及多种材料，了解它们各自的收缩系数就变得更加重要。不匹配的收缩率可能导致应力点、变形，甚至结构的长期失效。此外，收缩系数还可能受到湿度和压力等外部因素的影响。在这些因素波动的环境中，工程师必须考虑它们，以避免意外问题。例如，在航空航天工程中，材料面临极端条件，准确测量收缩系数对于确保飞机的安全性和性能至关重要。此外，收缩系数还在日常应用中发挥作用。考虑玻璃瓶的制造。在冷却过程中，玻璃必须均匀收缩，以避免产生可能导致破裂的弱点。了解玻璃的收缩系数有助于制造商设定正确的冷却速度，确保最终产品既耐用又实用。总之，收缩系数是影响材料科学和工程多个方面的基本参数。它的重要性不容小觑，因为它有助于预测材料在温度变化下的行为，并确保结构和产品的可靠性。通过掌握收缩系数的概念，各个领域的专业人士可以做出明智的决策，从而提高他们项目的安全性、效率和性能。理解这一系数不仅仅是学术练习；它对我们日常生活和我们周围的建筑环境产生了实际影响。