carnot's working cycle

简明释义

卡诺循环

英英释义

例句

1.The efficiency of a heat engine can be maximized by following Carnot's working cycle 卡诺工作循环.

通过遵循卡诺工作循环 Carnot's working cycle，热机的效率可以达到最大化。

2.In a classroom experiment, we demonstrated Carnot's working cycle 卡诺工作循环 using a simple model engine.

在课堂实验中，我们使用一个简单的模型发动机演示了卡诺工作循环 Carnot's working cycle。

3.The theoretical maximum efficiency of any heat engine is determined by Carnot's working cycle 卡诺工作循环.

任何热机的理论最大效率由卡诺工作循环 Carnot's working cycle 决定。

4.In thermodynamics, Carnot's working cycle 卡诺工作循环 serves as an ideal benchmark for real engines.

在热力学中，卡诺工作循环 Carnot's working cycle 是实际发动机的理想基准。

5.Understanding Carnot's working cycle 卡诺工作循环 is crucial for engineering efficient thermal systems.

理解卡诺工作循环 Carnot's working cycle 对于工程高效热系统至关重要。

作文

The concept of carnot's working cycle is fundamental in the field of thermodynamics, representing an idealized model of a heat engine. This theoretical cycle was proposed by the French physicist Sadi Carnot in 1824 and serves as a benchmark for the efficiency of real-world engines. The carnot's working cycle consists of four reversible processes: two isothermal processes and two adiabatic processes. Understanding these processes is crucial for anyone interested in the principles of energy conversion and heat transfer.In the first stage of the carnot's working cycle, the gas within the engine absorbs heat from a hot reservoir at a constant temperature. This process is termed isothermal expansion, during which the gas expands, doing work on the surroundings. The efficiency of this stage depends significantly on the temperature of the hot reservoir. The higher the temperature, the more heat energy the gas can absorb, which leads to greater work output.Following the isothermal expansion, the gas undergoes an adiabatic expansion. During this phase, the gas continues to expand but does so without exchanging heat with its environment. As a result, the temperature of the gas decreases. This drop in temperature is critical because it allows the gas to perform work while losing energy, thus adhering to the principles of conservation of energy.Next, the gas reaches the second isothermal process where it releases heat to a cold reservoir. This stage is known as isothermal compression. The gas is compressed at a constant temperature, resulting in the expulsion of heat to the cold reservoir. This step is essential because it helps maintain the temperature gradient necessary for the operation of the carnot's working cycle. The efficiency of this stage also relies on the temperature of the cold reservoir, with a lower temperature allowing for more efficient heat rejection.Finally, the gas undergoes adiabatic compression. In this last phase, the gas is compressed further, increasing its temperature without any heat exchange with the surroundings. This process restores the gas to its initial state, completing the cycle. The entire carnot's working cycle illustrates the maximum possible efficiency that any heat engine can achieve, which is determined by the temperatures of the hot and cold reservoirs.The significance of the carnot's working cycle extends beyond theoretical physics; it has practical applications in designing real heat engines. Engineers use the principles derived from Carnot's cycle to improve the efficiency of various systems, including refrigerators, air conditioners, and power plants. By understanding the limitations set by the carnot's working cycle, engineers can develop better technologies that minimize energy loss and enhance performance.In conclusion, the carnot's working cycle is not just an abstract concept; it is a pivotal part of thermodynamics that influences modern engineering and technology. By studying this cycle, we gain insight into the fundamental principles of energy conversion and efficiency. As we strive for more sustainable and efficient energy solutions, the lessons learned from the carnot's working cycle remain relevant, guiding us toward innovations that can meet the demands of our growing world.

“卡诺工作循环”的概念在热力学领域中是基础性的，代表了热机的理想化模型。这个理论循环是由法国物理学家萨迪·卡诺于1824年提出的，并作为现实世界发动机效率的基准。“卡诺工作循环”由四个可逆过程组成：两个等温过程和两个绝热过程。理解这些过程对于任何对能量转换和热传递原理感兴趣的人来说都是至关重要的。在“卡诺工作循环”的第一阶段，发动机内的气体在恒定温度下从热源吸收热量。这个过程被称为等温膨胀，在此过程中，气体膨胀，对周围环境做功。这个阶段的效率在很大程度上取决于热源的温度。热源的温度越高，气体可以吸收的热能就越多，从而导致更大的功输出。继等温膨胀之后，气体经历绝热膨胀。在这个阶段，气体继续膨胀，但不与环境交换热量。因此，气体的温度降低。温度的下降至关重要，因为它使气体在失去能量的同时执行功，从而遵循能量守恒的原则。接下来，气体进入第二个等温过程，在此过程中它将热量释放到冷源。这个阶段被称为等温压缩。气体在恒定温度下被压缩，导致热量排放到冷源。这个步骤是必要的，因为它有助于维持“卡诺工作循环”操作所需的温度梯度。这个阶段的效率也依赖于冷源的温度，较低的温度允许更有效的热量排放。最后，气体经历绝热压缩。在最后一个阶段，气体进一步被压缩，温度在没有与周围环境交换热量的情况下升高。这个过程将气体恢复到其初始状态，完成循环。整个“卡诺工作循环”展示了任何热机可以达到的最大可能效率，这一效率由热源和冷源的温度决定。“卡诺工作循环”的重要性超越了理论物理，它在设计真实热机时具有实际应用。工程师利用从卡诺循环中得出的原理来提高各种系统的效率，包括冰箱、空调和发电厂。通过理解“卡诺工作循环”设定的限制，工程师可以开发出更好的技术，以最小化能量损失并增强性能。总之，“卡诺工作循环”不仅仅是一个抽象的概念；它是热力学的一个关键部分，影响着现代工程和技术。通过研究这个循环，我们获得了关于能量转换和效率基本原则的见解。随着我们努力寻求更可持续和高效的能源解决方案，从“卡诺工作循环”中学到的教训仍然相关，引导我们朝着能够满足我们日益增长的世界需求的创新方向前进。