constant volume process

简明释义

定容过程

英英释义

例句

1.During the heating of a gas at constant pressure, we can compare it to a constant volume process 恒定体积过程 to understand energy transfer.

在恒定压力下加热气体时，我们可以将其与恒定体积过程 constant volume process进行比较，以理解能量转移。

2.The constant volume process 恒定体积过程 is essential in understanding how engines operate under specific conditions.

在特定条件下，恒定体积过程 constant volume process对于理解发动机的运行至关重要。

3.In thermodynamics, a constant volume process 恒定体积过程 implies that the volume of the system remains unchanged while heat is added or removed.

在热力学中，恒定体积过程 constant volume process意味着系统的体积保持不变，同时添加或移除热量。

4.In a closed system, the gas undergoes a constant volume process 恒定体积过程 where no work is done on the surroundings.

在一个封闭系统中，气体经历了一个恒定体积过程 constant volume process，在这个过程中没有对外界做功。

5.An example of a constant volume process 恒定体积过程 is the combustion of fuel in a rigid container.

一个恒定体积过程 constant volume process的例子是燃料在刚性容器中的燃烧。

作文

In the study of thermodynamics, various processes describe how systems exchange energy and matter. One significant process is the constant volume process, which occurs when a system's volume remains unchanged while heat is added or removed. Understanding this process is crucial for engineers and scientists, as it plays a vital role in many practical applications, such as internal combustion engines and refrigeration cycles. To delve deeper into the concept of a constant volume process (定容过程), we must first recognize how it differs from other thermodynamic processes. In a constant pressure process, for example, the volume of the system can change as heat is added, leading to expansion or compression. However, in a constant volume process, the system's boundaries do not allow any change in volume, meaning that all the energy transfer occurs in the form of heat. This characteristic makes the constant volume process particularly interesting, as it simplifies the analysis of energy changes within the system.One classic example of a constant volume process is the heating of a gas in a sealed container. When heat is applied to the gas, its temperature increases, but because the container does not allow for expansion, the pressure within the container rises instead. This relationship can be described by the ideal gas law, which states that pressure is directly proportional to temperature when volume is held constant. Thus, understanding the constant volume process helps us predict how gases will behave under different conditions, which is essential for designing safe and efficient systems.Another important aspect of the constant volume process is its relevance in real-world applications. For instance, in an internal combustion engine, fuel is ignited in a confined space, causing a rapid increase in temperature and pressure without a significant change in volume. This explosion drives the engine's pistons, converting thermal energy into mechanical work. Engineers must consider the constant volume process when designing these engines to ensure they operate efficiently and safely.Furthermore, the constant volume process is also crucial in refrigeration systems. In these systems, refrigerants undergo a series of processes, including compression, condensation, expansion, and evaporation. During the evaporation phase, the refrigerant absorbs heat from the environment while maintaining a constant volume, allowing it to cool the surrounding area effectively. By understanding the principles behind the constant volume process, engineers can optimize refrigeration systems for better performance and energy efficiency.In conclusion, the constant volume process (定容过程) is a fundamental concept in thermodynamics that describes how systems behave when their volume remains unchanged during heat transfer. This process is essential for understanding various applications in engineering and science, from internal combustion engines to refrigeration systems. By mastering the principles of the constant volume process, professionals can design more efficient and effective systems, ultimately contributing to advancements in technology and energy conservation.