sensible heat

简明释义

显热

英英释义

例句

1.When heating a metal rod, the sensible heat applied will increase its temperature until it reaches its melting point.

加热金属棒时，施加的显热会提高其温度，直到达到熔点。

2.The concept of sensible heat is often used in meteorology to describe temperature changes in the atmosphere.

在气象学中，显热的概念常用于描述大气中的温度变化。

3.The temperature of the water increased due to the addition of sensible heat, which is the energy that raises its temperature without changing its state.

由于加入了显热，水的温度上升，这种能量提高了温度而不改变其状态。

4.In refrigeration cycles, sensible heat transfer occurs when the refrigerant cools down the air inside the fridge.

在制冷循环中，当制冷剂使冰箱内部空气降温时，会发生显热传递。

5.In HVAC systems, sensible heat is crucial for maintaining comfortable indoor temperatures during summer.

在暖通空调系统中，显热对于在夏季维持舒适的室内温度至关重要。

作文

Understanding the concept of sensible heat is essential in various fields, particularly in thermodynamics and HVAC (heating, ventilation, and air conditioning) systems. Sensible heat refers to the heat that causes a change in temperature of a substance without changing its phase. This means when you heat water from 20 degrees Celsius to 100 degrees Celsius, the energy added is considered sensible heat because it increases the temperature of the water without turning it into steam. In practical applications, sensible heat plays a significant role in climate control within buildings. For instance, during the winter months, heating systems must provide adequate sensible heat to raise the indoor temperature to a comfortable level. The efficiency of these systems can be influenced by factors such as insulation, outdoor temperature, and the size of the space being heated. Moreover, understanding sensible heat is crucial for engineers designing thermal systems. When they calculate the amount of heat required to maintain a desired temperature, they must account for both sensible heat and latent heat—the latter being the heat absorbed or released during a phase change, such as water turning into vapor. Another important aspect of sensible heat is its relationship with humidity. In humid climates, the air contains a significant amount of moisture, which can affect how we perceive temperature. For example, on a hot day, the temperature may read 30 degrees Celsius, but due to high humidity, the perceived temperature can feel much higher. This is because the body relies on evaporative cooling to regulate temperature, and when humidity is high, the effectiveness of this process decreases. Thus, sensible heat becomes a key factor in understanding thermal comfort in relation to humidity levels. In summary, sensible heat is a fundamental concept that has implications in various scientific and engineering disciplines. It helps us understand how heat energy affects temperature without causing a phase change, which is vital for effective climate control and system design. As we continue to confront challenges related to energy efficiency and climate change, the principles of sensible heat will remain relevant in developing sustainable solutions for our heating and cooling needs. In conclusion, grasping the concept of sensible heat not only enhances our technical knowledge but also improves our ability to create comfortable living environments. By recognizing the importance of sensible heat in our daily lives, we can make informed decisions about energy use and environmental impact, ultimately contributing to a more sustainable future.

理解显热的概念在多个领域中都是至关重要的，特别是在热力学和暖通空调（HVAC）系统中。显热指的是导致物质温度变化而不改变其相态的热量。这意味着，当你将水从20摄氏度加热到100摄氏度时，所添加的能量被视为显热，因为它提高了水的温度，而没有将其转变为蒸汽。在实际应用中，显热在建筑物的气候控制中发挥着重要作用。例如，在冬季，供暖系统必须提供足够的显热，以将室内温度提高到舒适水平。这些系统的效率会受到绝缘、室外温度和供暖空间大小等因素的影响。此外，理解显热对设计热系统的工程师至关重要。当他们计算维持所需温度所需的热量时，必须考虑到显热和潜热——后者是指在相变过程中吸收或释放的热量，例如水变成蒸汽。显热的另一个重要方面是它与湿度的关系。在潮湿的气候中，空气中含有大量水分，这会影响我们对温度的感知。例如，在炎热的日子里，温度可能显示为30摄氏度，但由于高湿度，体感温度可能会感觉更高。这是因为身体依赖蒸发冷却来调节温度，而当湿度高时，这一过程的有效性降低。因此，显热成为理解湿度水平与热舒适之间关系的关键因素。总之，显热是一个基本概念，在各种科学和工程学科中都有影响。它帮助我们理解热能如何影响温度而不引起相变，这对于有效的气候控制和系统设计至关重要。随着我们继续面对与能源效率和气候变化相关的挑战，显热的原理将在开发可持续解决方案以满足我们的供暖和制冷需求中保持相关性。最后，掌握显热的概念不仅增强了我们的技术知识，还提高了我们创造舒适生活环境的能力。通过认识到显热在我们日常生活中的重要性，我们可以就能源使用和环境影响做出明智的决定，最终为更加可持续的未来做出贡献。