adiabatic change

简明释义

绝热变化

英英释义

例句

1.In thermodynamics, an adiabatic change refers to a process where no heat is exchanged with the surroundings.

在热力学中，绝热变化指的是一个过程中与周围环境没有热量交换。

2.When a gas expands rapidly in a vacuum, it undergoes an adiabatic change as it does not absorb heat.

当气体在真空中快速膨胀时，它经历了一个绝热变化，因为它没有吸收热量。

3.In meteorology, the concept of adiabatic change helps explain how clouds form as air rises and cools.

在气象学中，绝热变化的概念有助于解释空气上升并冷却时如何形成云。

4.The adiabatic change of air in a piston can lead to temperature changes without any heat transfer.

活塞中空气的绝热变化可以导致温度变化而没有任何热量转移。

5.During an adiabatic change, the internal energy of a system changes due to work done on or by the system.

在绝热变化过程中，系统的内能由于对系统做功或由系统做功而发生变化。

作文

In the realm of thermodynamics, the concept of adiabatic change plays a crucial role in understanding how systems interact with their surroundings without heat transfer. An adiabatic change refers to a process in which a system undergoes a transformation while remaining insulated from its environment, meaning that no heat enters or leaves the system during the process. This is particularly significant in the study of gases and their behavior under various conditions.To illustrate this concept, consider a gas contained within a perfectly insulated piston. If the gas is compressed rapidly, it will experience an increase in temperature due to the work done on it, without any heat being exchanged with the outside environment. This scenario exemplifies an adiabatic change, where the internal energy of the gas increases as a result of the work input, rather than heat absorption.The mathematical representation of adiabatic change can be derived from the first law of thermodynamics, which states that the change in internal energy of a system is equal to the heat added to the system minus the work done by the system. In the case of an adiabatic change, since there is no heat exchange, the equation simplifies to the relationship between work and internal energy changes.Furthermore, adiabatic changes are not only limited to gases but also apply to other thermodynamic processes, such as the expansion of air in a balloon or the cooling of air as it rises in the atmosphere. When air rises, it expands due to lower atmospheric pressure, and if this process occurs quickly enough, it can be considered adiabatic. The air cools as it expands, demonstrating how adiabatic changes can lead to significant temperature variations in natural phenomena.Understanding adiabatic changes is essential for various applications, including meteorology, engineering, and even everyday life scenarios. For instance, when considering the efficiency of engines, knowing how adiabatic changes affect the performance can lead to better designs that minimize energy loss. Similarly, in weather forecasting, meteorologists must account for adiabatic changes to predict temperature changes associated with rising air masses.In conclusion, the concept of adiabatic change is fundamental in thermodynamics and has far-reaching implications in several fields. By recognizing the characteristics and effects of adiabatic changes, one can appreciate the intricate balance of energy transformations that occur in our world. Whether in a scientific context or everyday experiences, the principles of adiabatic change continue to influence our understanding of energy dynamics and the behavior of matter under different conditions.

在热力学领域，绝热变化的概念在理解系统如何与其环境相互作用而不进行热量转移方面起着至关重要的作用。绝热变化是指一个系统在保持与环境绝缘的情况下经历转变的过程，这意味着在此过程中没有热量进入或离开系统。这在研究气体及其在各种条件下的行为时尤为重要。为了说明这个概念，可以考虑一个完全绝缘的活塞内的气体。如果气体被快速压缩，它将由于对其所做的功而经历温度升高，而不会与外部环境进行任何热量交换。这种情况体现了绝热变化的例子，在这种情况下，气体的内能因输入的功而增加，而不是因吸收热量而增加。绝热变化的数学表示可以从热力学第一定律推导出来，该定律指出，系统内能的变化等于加到系统上的热量减去系统所做的功。在绝热变化的情况下，由于没有热量交换，方程简化为功与内能变化之间的关系。此外，绝热变化不仅限于气体，还适用于其他热力学过程，例如气球内空气的膨胀或空气在大气中上升时的冷却。当空气上升时，由于大气压力降低，它会膨胀，如果这个过程足够快，就可以视为绝热。空气在膨胀时降温，展示了绝热变化如何导致自然现象中的显著温度变化。理解绝热变化对多个应用领域至关重要，包括气象学、工程学，甚至日常生活场景。例如，在考虑发动机的效率时，了解绝热变化如何影响性能可以导致更好的设计，从而最小化能量损失。同样，在天气预报中，气象学家必须考虑绝热变化以预测与上升气团相关的温度变化。总之，绝热变化的概念在热力学中是基础性的，并在多个领域产生深远的影响。通过认识绝热变化的特征和影响，人们可以欣赏到我们世界中发生的能量转化的微妙平衡。无论是在科学背景下还是日常经历中，绝热变化的原理继续影响我们对能量动态和物质在不同条件下行为的理解。