volume expansion

简明释义

体膨胀

英英释义

例句

1.During the winter, engineers must account for volume expansion 体积膨胀 in pipelines to prevent ruptures.

在冬季，工程师必须考虑管道中的体积膨胀以防止破裂。

2.In the lab, we observed the volume expansion 体积膨胀 of water when it was heated.

在实验室，我们观察到水在加热时的体积膨胀。

3.The volume expansion 体积膨胀 of gases is much greater than that of liquids and solids under the same conditions.

在相同条件下，气体的体积膨胀远大于液体和固体。

4.The engineer explained how the volume expansion 体积膨胀 of metals can affect the integrity of structures during temperature changes.

工程师解释了金属的体积膨胀如何在温度变化时影响结构的完整性。

5.The concept of volume expansion 体积膨胀 is crucial in designing materials that can withstand extreme temperatures.

设计能够承受极端温度的材料时，体积膨胀的概念至关重要。

作文

Volume expansion is a fundamental concept in physics and engineering that describes the increase in volume of a substance when it is heated. This phenomenon occurs because the particles within the substance gain kinetic energy as the temperature rises, causing them to move more vigorously and take up more space. Understanding volume expansion (体积膨胀) is crucial in various applications, from designing buildings to creating everyday objects. For instance, when metals are heated, they expand, which must be accounted for in construction projects to prevent structural failures. In our daily lives, we can observe volume expansion (体积膨胀) in simple scenarios. A common example is heating water in a kettle. As the water heats up, it expands slightly, and this expansion can lead to increased pressure within a sealed container. If the kettle is not designed to accommodate this expansion, it could potentially lead to dangerous situations. Therefore, engineers must consider volume expansion (体积膨胀) when designing products that will be subjected to temperature changes.Moreover, volume expansion (体积膨胀) is not limited to liquids; gases also exhibit this property. When air is heated, it expands, which is why hot air balloons rise. The principle of buoyancy is closely linked to volume expansion (体积膨胀), as the warmer air inside the balloon is less dense than the cooler air outside, allowing the balloon to float. This application highlights the importance of understanding volume expansion (体积膨胀) in the field of aerodynamics and transportation.In the realm of materials science, volume expansion (体积膨胀) plays a significant role in the performance of materials under thermal stress. Different materials expand at different rates, a property known as the coefficient of thermal expansion. For example, metals typically have higher coefficients compared to ceramics or glass. This difference can lead to challenges in manufacturing processes where multiple materials are joined together. If the materials expand at different rates, it can result in cracks or other forms of damage. Hence, engineers must carefully select materials and design joints that can accommodate the differential volume expansion (体积膨胀) during temperature fluctuations.Furthermore, the concept of volume expansion (体积膨胀) is also relevant in environmental science. Climate change is causing global temperatures to rise, leading to the thermal expansion of oceans. As ocean water warms, its volume increases, contributing to rising sea levels. This phenomenon poses significant risks to coastal communities and ecosystems, making it essential to understand the implications of volume expansion (体积膨胀) in the context of climate change.In conclusion, volume expansion (体积膨胀) is a critical concept that influences various fields, including engineering, materials science, and environmental studies. Its effects can be observed in everyday life, from cooking to transportation and even global climate patterns. By understanding volume expansion (体积膨胀), we can better predict and manage the challenges that arise from temperature changes, ensuring safety and efficiency in our designs and practices.

体积膨胀是物理学和工程学中的一个基本概念，描述了物质在加热时体积的增加。这种现象发生是因为物质内部的粒子在温度升高时获得动能，导致它们更剧烈地运动并占据更多空间。理解体积膨胀在各种应用中至关重要，从建筑设计到日常物品的创造。例如，当金属被加热时，它们会膨胀，这在建筑项目中必须予以考虑，以防止结构失效。在我们的日常生活中，我们可以在简单的场景中观察到体积膨胀。一个常见的例子是将水加热在水壶中。当水加热时，它会略微膨胀，这种膨胀可能导致密封容器内的压力增加。如果水壶没有设计成可以容纳这种膨胀，就可能导致危险情况。因此，工程师在设计将受到温度变化影响的产品时，必须考虑体积膨胀。此外，体积膨胀不仅限于液体；气体也表现出这一特性。当空气加热时，它会膨胀，这就是热气球上升的原因。浮力原理与体积膨胀密切相关，因为气球内的暖空气比外面的冷空气密度低，使得气球能够漂浮。这个应用突显了理解体积膨胀在空气动力学和运输领域的重要性。在材料科学领域，体积膨胀在材料在热应力下的性能中起着重要作用。不同材料的膨胀速率不同，这一特性被称为热膨胀系数。例如，金属通常具有比陶瓷或玻璃更高的热膨胀系数。这种差异可能导致制造过程中多个材料连接在一起时的挑战。如果材料的膨胀速率不同，可能会导致裂缝或其他形式的损坏。因此，工程师必须仔细选择材料，并设计可以适应不同体积膨胀的接缝，以应对温度波动。此外，体积膨胀的概念在环境科学中也很相关。气候变化导致全球气温上升，导致海洋的热膨胀。随着海水变暖，其体积增加，导致海平面上升。这一现象对沿海社区和生态系统构成了重大风险，因此理解体积膨胀在气候变化背景下的影响至关重要。总之，体积膨胀是一个关键概念，影响着工程、材料科学和环境研究等多个领域。其影响可以在日常生活中观察到，从烹饪到运输，甚至是全球气候模式。通过理解体积膨胀，我们可以更好地预测和管理因温度变化而产生的挑战，确保我们设计和实践的安全性和效率。