Heat expansion

简明释义

热膨胀

英英释义

例句

1.Understanding heat expansion 热膨胀 helps engineers create more efficient thermal systems.

理解热膨胀 热膨胀可以帮助工程师创建更高效的热系统。

2.The concept of heat expansion 热膨胀 is crucial in the design of thermometers.

在温度计的设计中，热膨胀 热膨胀的概念至关重要。

3.Engine components are designed to accommodate heat expansion 热膨胀 to prevent damage during operation.

发动机部件的设计考虑了热膨胀 热膨胀，以防止在运行过程中损坏。

4.Bridges often include expansion joints to manage heat expansion 热膨胀 and contraction due to temperature changes.

桥梁通常包括伸缩缝，以管理由于温度变化引起的热膨胀 热膨胀和收缩。

5.When metal is heated, it undergoes heat expansion 热膨胀, causing it to become larger.

当金属被加热时，会发生热膨胀 热膨胀，导致它变得更大。

作文

Heat expansion, also known as thermal expansion, is a physical phenomenon that occurs when materials are subjected to changes in temperature. As the temperature of an object increases, its particles begin to vibrate more vigorously, causing them to move further apart. This increase in distance between particles results in a corresponding increase in the volume of the material. Understanding heat expansion (热膨胀) is crucial in various fields, including engineering, construction, and everyday life. For instance, when building bridges or roads, engineers must account for heat expansion (热膨胀) to prevent structural damage. If they fail to consider this factor, the materials may warp, crack, or even collapse under extreme temperature changes.In everyday life, we can observe heat expansion (热膨胀) in simple scenarios. A common example is the expansion of metal when heated. Imagine a metal lid on a glass jar. When you run hot water over the lid, it expands due to heat expansion (热膨胀), making it easier to open. This practical application demonstrates how understanding heat expansion (热膨胀) can help us solve everyday problems.Moreover, heat expansion (热膨胀) has significant implications in the design of various mechanical systems. For example, in automobiles, parts such as pistons and engine blocks are designed with heat expansion (热膨胀) in mind. When the engine heats up during operation, these components expand. Engineers must ensure that there is enough clearance to accommodate this expansion without causing interference or damage. Failure to do so could lead to engine failure or reduced efficiency.Another area where heat expansion (热膨胀) plays a critical role is in the field of meteorology. Scientists study how temperature changes affect the atmosphere, which can influence weather patterns. For instance, as the earth's surface heats up, the air expands, leading to changes in pressure and wind patterns. Understanding heat expansion (热膨胀) helps meteorologists predict weather events more accurately.In conclusion, heat expansion (热膨胀) is a fundamental concept that affects various aspects of our lives. From engineering and construction to everyday occurrences, recognizing the effects of temperature on materials is essential. By understanding heat expansion (热膨胀), we can make informed decisions in both professional and personal contexts, ensuring safety and efficiency in our designs and daily activities.