engine cycle

简明释义

发动机循环

英英释义

例句

1.Engineers analyze the engine cycle 发动机循环 to improve engine design and efficiency.

工程师分析发动机循环以改善发动机设计和效率。

2.The thermal efficiency of an engine cycle 发动机循环 can be affected by ambient temperature.

环境温度会影响发动机循环的热效率。

3.The efficiency of the engine cycle 发动机循环 can significantly impact fuel consumption.

发动机循环的效率可以显著影响燃油消耗。

4.Understanding the engine cycle 发动机循环 is crucial for optimizing performance in racing cars.

理解发动机循环对于优化赛车性能至关重要。

5.During the engine cycle 发动机循环, various phases such as intake, compression, power, and exhaust occur.

在发动机循环中，进气、压缩、动力和排气等不同阶段发生。

作文

The concept of an engine cycle is fundamental to understanding how internal combustion engines work. An engine cycle refers to the series of processes that occur within an engine as it converts fuel into mechanical energy. This process is critical for powering vehicles, machinery, and various other applications. In essence, the engine cycle describes the sequence of events that take place during the operation of an engine, typically consisting of four main strokes: intake, compression, power, and exhaust.During the intake stroke, the engine draws in a mixture of air and fuel. This is crucial because the right ratio of fuel to air is necessary for efficient combustion. The second phase, the compression stroke, involves compressing this mixture to increase its temperature and pressure. This heightened state prepares the mixture for ignition, which occurs during the power stroke. In this phase, a spark plug ignites the compressed air-fuel mixture, resulting in a rapid expansion of gases that pushes the piston down, creating the power needed to turn the engine's crankshaft.Finally, the exhaust stroke expels the burnt gases from the combustion chamber, making room for a new charge of air and fuel to enter. This cyclical process repeats continuously while the engine is running, allowing for sustained power output. Understanding the engine cycle is not only important for mechanics and engineers but also for drivers who wish to appreciate the intricacies of their vehicles.In modern engineering, advancements in technology have led to improvements in the efficiency of the engine cycle. Innovations such as turbocharging and direct fuel injection have enhanced the performance of engines by optimizing the combustion process. These technologies allow engines to extract more energy from the same amount of fuel, thus improving fuel economy and reducing emissions.Moreover, the study of the engine cycle has implications beyond just automotive applications. For instance, understanding the principles behind the engine cycle can aid in the development of alternative energy sources and more sustainable practices. As the world shifts towards greener technologies, the knowledge of traditional engine cycles remains relevant, providing a foundation upon which new innovations can be built.In conclusion, the engine cycle is a vital concept in the realm of mechanical engineering and automotive design. By comprehending the stages involved in this cycle, individuals can gain insights into the functioning of engines and the importance of efficiency in energy conversion. As we continue to explore new technologies and methods for improving engine performance, the basic principles of the engine cycle will undoubtedly remain a cornerstone of our understanding in this field.

“发动机循环”的概念对于理解内燃机的工作原理至关重要。“发动机循环”指的是发动机内部发生的一系列过程，它将燃料转化为机械能。这个过程对于为车辆、机械和各种其他应用提供动力至关重要。从本质上讲，“发动机循环”描述了发动机在运行过程中发生的事件序列，通常包括四个主要冲程：进气、压缩、动力和排气。在进气冲程中，发动机吸入空气和燃料的混合物。这一点至关重要，因为燃料与空气的正确比例对于高效燃烧是必要的。第二个阶段，压缩冲程，涉及到压缩这种混合物，以提高其温度和压力。这种高度状态为点火做好准备，点火发生在动力冲程中。在这个阶段，火花塞点燃压缩的空气-燃料混合物，导致气体迅速膨胀，推动活塞向下运动，产生所需的动力来转动发动机的曲轴。最后，排气冲程将燃烧后的气体从燃烧室排出，为新的空气和燃料充入腾出空间。这个循环过程在发动机运行时不断重复，从而实现持续的功率输出。理解“发动机循环”不仅对机械师和工程师重要，也对希望欣赏其车辆复杂性的驾驶者有帮助。在现代工程中，技术的进步使得“发动机循环”的效率得到了改善。涡轮增压和直接燃油喷射等创新通过优化燃烧过程增强了发动机的性能。这些技术使发动机能够从相同数量的燃料中提取更多的能量，从而提高燃油经济性并减少排放。此外，研究“发动机循环”在汽车应用之外也有影响。例如，理解“发动机循环”背后的原理可以帮助开发替代能源和更可持续的实践。随着世界向更环保的技术转变，对传统发动机循环的知识仍然相关，为新创新的构建提供了基础。总之，“发动机循环”是机械工程和汽车设计领域的重要概念。通过理解这一循环中涉及的阶段，个人可以深入了解发动机的功能及其在能量转换中效率的重要性。随着我们继续探索提高发动机性能的新技术和方法，“发动机循环”的基本原理无疑将继续成为我们在这一领域理解的基石。