overall pressure ratio

简明释义

总压比

英英释义

例句

1.In modern jet engines, a higher overall pressure ratio 整体压力比 can lead to better fuel efficiency.

在现代喷气发动机中，更高的整体压力比 overall pressure ratio可以提高燃油效率。

2.The engine's efficiency is significantly affected by the overall pressure ratio 整体压力比 it achieves during operation.

发动机的效率受到其在运行过程中达到的整体压力比 overall pressure ratio的显著影响。

3.The overall pressure ratio 整体压力比 directly influences the thrust produced by the engine.

整体压力比 overall pressure ratio直接影响发动机产生的推力。

4.Designing a compressor requires careful calculation of the overall pressure ratio 整体压力比 to ensure optimal performance.

设计压缩机需要仔细计算整体压力比 overall pressure ratio以确保最佳性能。

5.Engineers often test various configurations to find the best overall pressure ratio 整体压力比 for specific applications.

工程师们经常测试不同的配置，以找到特定应用的最佳整体压力比 overall pressure ratio。

作文

The concept of overall pressure ratio is fundamental in the field of thermodynamics and fluid mechanics, particularly when discussing the performance of compressors and turbines. In essence, the overall pressure ratio refers to the ratio of the pressure at the outlet of a device to the pressure at its inlet. This measurement is crucial for understanding how efficiently a machine operates and how much energy it can convert from one form to another. For example, in a gas turbine engine, the air enters the compressor at a relatively low pressure. As it passes through the various stages of compression, its pressure increases significantly. The overall pressure ratio is calculated by comparing the exit pressure of the compressed air to the inlet pressure. A higher overall pressure ratio indicates that the compressor is effectively increasing the pressure of the air, which is essential for achieving optimal performance during combustion. The significance of the overall pressure ratio extends beyond just compressors. In the context of jet engines, for instance, the overall pressure ratio plays a critical role in determining the thrust produced by the engine. The relationship between pressure ratios and thrust generation is complex, but generally, a higher overall pressure ratio results in increased efficiency and greater thrust output. This is particularly important in aerospace applications where every bit of efficiency can lead to significant fuel savings and improved performance. Moreover, the overall pressure ratio can also influence other operational parameters such as temperature and flow rate. For instance, as the pressure ratio increases, the temperature of the working fluid may also rise, which can have implications for the material selection and design of components within the system. Engineers must carefully consider the overall pressure ratio when designing systems to ensure that they can withstand the resulting pressures and temperatures without failure. In conclusion, the overall pressure ratio is a vital parameter in the design and operation of various mechanical systems, particularly those involving fluid dynamics. Understanding this concept allows engineers and scientists to optimize the performance of machines, ensuring they operate efficiently while meeting the demands placed upon them. Whether in the realm of aerospace, automotive, or industrial applications, the overall pressure ratio remains a key indicator of performance and efficiency, guiding the development of technologies that push the boundaries of what is possible in engineering. As we continue to innovate and develop new technologies, the importance of the overall pressure ratio will only grow, making it an essential concept for future engineers and researchers to master.

总体压力比（overall pressure ratio）是热力学和流体力学领域的一个基本概念，特别是在讨论压缩机和涡轮的性能时。总体压力比（overall pressure ratio）指的是设备出口处的压力与其入口处的压力之比。这个测量对于理解机器的运行效率以及它可以将一种形式的能量转化为另一种形式的能力至关重要。例如，在燃气涡轮发动机中，空气以相对较低的压力进入压缩机。在通过各个压缩阶段后，其压力显著增加。总体压力比（overall pressure ratio）是通过比较压缩空气的出口压力与入口压力来计算的。更高的总体压力比（overall pressure ratio）表明压缩机有效地提高了空气的压力，这对于在燃烧过程中实现最佳性能至关重要。总体压力比（overall pressure ratio）的重要性不仅限于压缩机。在喷气发动机的背景下，例如，总体压力比（overall pressure ratio）在决定发动机产生的推力方面发挥着关键作用。压力比与推力生成之间的关系复杂，但通常情况下，更高的总体压力比（overall pressure ratio）会导致效率提高和更大的推力输出。这在航空航天应用中尤为重要，因为每一点效率的提升都可能带来显著的燃油节省和性能改善。此外，总体压力比（overall pressure ratio）还会影响其他操作参数，如温度和流量。例如，随着压力比的增加，工作流体的温度也可能上升，这可能对系统内部组件的材料选择和设计产生影响。工程师在设计系统时必须仔细考虑总体压力比（overall pressure ratio），以确保它们能够承受由此产生的压力和温度而不发生故障。总之，总体压力比（overall pressure ratio）是各种机械系统设计和操作中的一个重要参数，特别是涉及流体动力学的系统。理解这一概念使工程师和科学家能够优化机器的性能，确保它们在满足施加于其上的需求的同时高效运行。无论是在航空航天、汽车还是工业应用领域，总体压力比（overall pressure ratio）始终是性能和效率的关键指标，指导着推动工程技术可能性的发展的技术。随着我们不断创新和开发新技术，总体压力比（overall pressure ratio）的重要性只会增加，使其成为未来工程师和研究人员必须掌握的基本概念。