heat capacity

简明释义

热容

英英释义

例句

1.The heat capacity of a substance can affect its temperature change when heat is added or removed.

物质的热容会影响当热量被添加或移除时的温度变化。

2.In cooking, understanding the heat capacity of different pots and pans can help achieve better results.

在烹饪中，了解不同锅具的热容可以帮助获得更好的效果。

3.The heat capacity of air is lower than that of water, which is why air heats up and cools down more quickly.

空气的热容低于水，这就是为什么空气加热和冷却得更快。

4.Engineers must consider the heat capacity of materials when designing thermal insulation systems.

工程师在设计热绝缘系统时必须考虑材料的热容。

5.The heat capacity of water is significantly higher than that of most metals, which means it can absorb a lot of heat without a large increase in temperature.

水的热容显著高于大多数金属，这意味着它可以在温度不大幅上升的情况下吸收大量热量。

作文

Heat capacity is a fundamental concept in thermodynamics that refers to the amount of heat energy required to change the temperature of a substance by a certain amount. This property is crucial for understanding how materials respond to heat and is essential in various scientific and engineering applications. The term heat capacity (热容) can be defined in two ways: specific heat capacity, which is the heat capacity per unit mass of a material, and molar heat capacity, which relates to the amount of heat required to raise the temperature of one mole of a substance. In practical terms, the heat capacity (热容) of a substance can influence many processes. For example, water has a high specific heat capacity, which means it can absorb a lot of heat before its temperature rises significantly. This property is why large bodies of water, like oceans and lakes, tend to moderate climate conditions, absorbing heat during the day and releasing it at night. Moreover, the heat capacity (热容) of materials is vital in engineering applications, such as designing heating and cooling systems. Engineers must consider the heat capacity (热容) of different materials when creating systems for buildings, vehicles, and electronic devices to ensure they operate efficiently and safely. For instance, in the construction of energy-efficient homes, materials with appropriate heat capacity (热容) are selected to help maintain comfortable indoor temperatures with minimal energy use.The relationship between heat capacity (热容), temperature change, and heat transfer is expressed mathematically. The equation Q = mcΔT illustrates this relationship, where Q is the heat added, m is the mass of the substance, c is the specific heat capacity (热容), and ΔT is the temperature change. Understanding this equation allows scientists and engineers to predict how substances will behave under different thermal conditions.Additionally, the heat capacity (热容) of gases can vary significantly from that of solids and liquids. For instance, the heat capacity (热容) of air is much lower than that of water. This difference is why air heats up and cools down more quickly than water, affecting weather patterns and climate. In conclusion, the concept of heat capacity (热容) is integral to numerous fields, from meteorology to engineering. A thorough understanding of how heat capacity (热容) works and its implications can lead to advancements in technology and improvements in environmental management. By recognizing the significance of heat capacity (热容) in our daily lives, we can better appreciate the intricate relationship between heat and matter, paving the way for innovative solutions to contemporary challenges.

热容是热力学中的一个基本概念，指的是改变物质温度所需的热能量。这个特性对于理解材料如何响应热量至关重要，并在各种科学和工程应用中必不可少。术语热容可以从两个方面定义：比热容，即单位质量材料的热容，以及摩尔热容，涉及到提高一摩尔物质温度所需的热量。在实际应用中，热容的大小会影响许多过程。例如，水具有较高的比热容，这意味着它可以吸收大量热量而其温度却不会显著上升。这种特性使得大水体，如海洋和湖泊，能够调节气候条件，在白天吸收热量，夜间释放热量。此外，热容在工程应用中也至关重要，例如设计供热和制冷系统。工程师在创建建筑、车辆和电子设备的系统时必须考虑不同材料的热容，以确保它们高效、安全地运行。例如，在建造节能住宅时，选择适当热容的材料有助于以最小的能耗维持舒适的室内温度。热容、温度变化和热传递之间的关系可以用数学公式表示。公式Q = mcΔT说明了这种关系，其中Q是添加的热量，m是物质的质量，c是比热容，ΔT是温度变化。理解这个公式可以让科学家和工程师预测物质在不同热条件下的行为。此外，气体的热容与固体和液体的差异显著。例如，空气的热容远低于水的。这种差异是导致空气加热和冷却速度快于水的原因，进而影响气候和天气模式。总之，热容的概念在气象学和工程等多个领域中都是不可或缺的。深入理解热容的工作原理及其影响，可以推动技术进步和改善环境管理。通过认识到热容在我们日常生活中的重要性，我们可以更好地欣赏热与物质之间复杂的关系，为应对当代挑战铺平道路。