thermal capacity

简明释义

热容

英英释义

例句

1.In cooking, knowing the thermal capacity 热容量 of various pots can help in achieving the desired cooking temperature.

在烹饪中，了解各种锅具的热容量 热容量可以帮助实现所需的烹饪温度。

2.Understanding the thermal capacity 热容量 of different materials is crucial for engineers when designing buildings.

了解不同材料的热容量 热容量对于工程师在设计建筑时至关重要。

3.Materials with a high thermal capacity 热容量 are often used in thermal energy storage systems.

具有高热容量 热容量的材料通常用于热能存储系统。

4.The thermal capacity 热容量 of water is much higher than that of air, which is why lakes take longer to heat up.

水的热容量 热容量远高于空气，这就是为什么湖泊加热得更慢。

5.The thermal capacity 热容量 of concrete allows it to retain heat during the night.

混凝土的热容量 热容量使其能够在夜间保持热量。

作文

Understanding the concept of thermal capacity is crucial in various fields, including physics, engineering, and environmental science. Thermal capacity refers to the amount of heat energy required to change the temperature of a substance by a certain amount. This property is essential for predicting how materials respond to heat and is a fundamental aspect of thermal management in many applications.In physics, thermal capacity is often expressed in joules per degree Celsius (J/°C). It can be categorized into two main types: specific heat capacity and molar heat capacity. Specific heat capacity is the amount of heat required to raise the temperature of one kilogram of a substance by one degree Celsius, while molar heat capacity is defined as the heat required to raise the temperature of one mole of a substance by one degree Celsius. Understanding these distinctions helps in accurately calculating the energy changes that occur during heating or cooling processes.In engineering, the knowledge of thermal capacity plays a vital role in designing systems that manage heat effectively. For instance, in building construction, materials with high thermal capacity can absorb heat during the day and release it at night, helping to maintain a stable indoor temperature. This property is particularly valuable in regions with extreme temperature fluctuations, as it can lead to significant energy savings and improved comfort levels for occupants.Moreover, in the context of climate science, thermal capacity is important for understanding how different surfaces on Earth respond to solar radiation. For example, bodies of water have a high thermal capacity, which means they can absorb and store large amounts of heat without experiencing significant temperature changes. This characteristic influences local climates and weather patterns, as large bodies of water can moderate temperatures in their vicinity.In everyday life, we encounter the principles of thermal capacity in various ways. Cooking is a practical example; different materials require different amounts of heat to cook food effectively. For instance, metals like copper have a low thermal capacity, meaning they heat up quickly and transfer heat efficiently, making them ideal for cookware. On the other hand, ceramic materials have a higher thermal capacity, allowing them to retain heat longer, which is beneficial for keeping food warm.Furthermore, understanding thermal capacity is essential when considering the effects of climate change. As global temperatures rise, the ability of oceans to absorb heat can influence weather patterns and marine ecosystems. Scientists study the thermal capacity of various materials and natural systems to predict how they will respond to changing environmental conditions.In conclusion, the concept of thermal capacity is a fundamental principle that affects numerous aspects of our daily lives, from engineering and construction to cooking and climate science. By grasping this concept, we can better understand the interactions between heat and materials, leading to more efficient designs and informed decisions in both technology and environmental conservation. The implications of thermal capacity extend far beyond theoretical physics, impacting our world in tangible and meaningful ways.

理解热容的概念在物理学、工程学和环境科学等多个领域至关重要。热容是指改变物质温度所需的热能量。这个特性对于预测材料对热的响应至关重要，是许多应用中热管理的基本方面。在物理学中，热容通常以焦耳每摄氏度（J/°C）表示。它可以分为两种主要类型：比热容和摩尔热容。比热容是指将一千克物质的温度提高一个摄氏度所需的热量，而摩尔热容则是指将一摩尔物质的温度提高一个摄氏度所需的热量。理解这些区别有助于准确计算加热或冷却过程中发生的能量变化。在工程学中，了解热容在设计有效管理热量的系统中起着至关重要的作用。例如，在建筑施工中，具有高热容的材料可以在白天吸收热量并在夜间释放热量，帮助保持稳定的室内温度。这个特性在温差极大的地区尤其有价值，因为它可以带来显著的节能效果和改善居住者的舒适度。此外，在气候科学的背景下，热容对于理解地球上不同表面对太阳辐射的响应非常重要。例如，水体具有较高的热容，这意味着它们可以吸收和储存大量热量而不会经历显著的温度变化。这一特性影响了当地气候和天气模式，因为大水体可以调节其周围的温度。在日常生活中，我们在各种方式中遇到热容的原理。烹饪就是一个实际的例子；不同材料需要不同的热量来有效地烹饪食物。例如，铜等金属具有较低的热容，意味着它们加热迅速且传热效率高，非常适合用于炊具。另一方面，陶瓷材料具有较高的热容，使其能够更长时间地保持热量，这对保温食品非常有利。此外，理解热容在考虑气候变化的影响时也至关重要。随着全球温度的上升，海洋吸收热量的能力会影响天气模式和海洋生态系统。科学家研究各种材料和自然系统的热容，以预测它们如何应对环境条件的变化。总之，热容的概念是影响我们日常生活多个方面的基本原理，从工程和建筑到烹饪和气候科学。通过掌握这一概念，我们可以更好地理解热与材料之间的相互作用，从而在技术和环境保护方面做出更高效的设计和明智的决策。热容的影响远远超出了理论物理学，实实在在地影响着我们的世界。