ejectors

简明释义

英[ɪˈdʒɛktəz]美[ɪˈdʒɛktərz]

n. [机]喷射器；推出器；驱逐者（ejector 的复数）

英英释义

单词用法

同义词

反义词

例句

1.When " holding " ( during normal operation ), non condensable, which are coming from air ingress and oxygen content in steam and condensate, must also be extracted normally by main ejectors.

当「建立真空」 （正常操作下）时，空气入口处的不可凝结物和蒸汽中的氧含量以及凝结水必须由主抽汽器排出。

2.When " holding " ( during normal operation ), non condensable, which are coming from air ingress and oxygen content in steam and condensate, must also be extracted normally by main ejectors.

当「建立真空」 （正常操作下）时，空气入口处的不可凝结物和蒸汽中的氧含量以及凝结水必须由主抽汽器排出。

3.It is proved by the results that the performances of ejectors can be dramatically improved by properly selecting the geometrical and operation parameters of gas-solid ejectors.

结果证明：正确选择气固喷射器的几何参数和操作参数，就能大大改善它的性能。

4.The mould then will be closed again, the ejectors will return, the unit will advance and the sprue tube will come again in contact with the tools to carry out a new injection.

然后模具再次闭合，顶针复位，进胶部分前行，料桶再次与相关部位相连以实现下一次新的注塑。

5.Graham major products are the ejectors, liquid ring vacuum pumps, condensers, heat exchangers, and complete vacuum systems used every day by people throughout the world.

格雷汉姆的主要产品是真空喷射器、液环泵、冷凝器等以及整套真空系统，在全球多个工业领域有着广泛的应用。

6.From this, the optimum structure was obtained. The calculated results provide the basis for the designing and using of passive ejectors.

研究结果可以为被动式引射器的设计与使用提供依据。

7.The new kinds of ejectors using at home and abroad, including its structures, properties and purposes are introduced.

介绍了国内外几种新型文丘里供料器的结构、特点和用途。

8.When ejectors are used for pumping this air, attention must be given to minimizing thrust losses.

当采用引射器来抽引冷却空气时，必须注意减少推力损失。

9.The rocket's propulsion system uses multiple ejectors to enhance thrust.

火箭的推进系统使用多个喷射器来增强推力。

10.In the event of an emergency, the pilot can activate the ejectors to safely remove the cockpit canopy.

在紧急情况下，飞行员可以激活喷射器来安全移除驾驶舱盖。

11.The cooling system in this engine features advanced ejectors for improved heat dissipation.

这台发动机的冷却系统配备了先进的喷射器以改善散热。

12.The design of the vacuum cleaner incorporates powerful ejectors to enhance suction.

吸尘器的设计中包含强大的喷射器以增强吸力。

13.The hydraulic system relies on ejectors to maintain pressure and flow.

液压系统依赖于喷射器来维持压力和流量。

作文

In modern engineering and technology, the term ejectors refers to devices that are used to remove or expel materials from a system. These devices play a crucial role in various applications, ranging from aerospace to manufacturing. Understanding how ejectors work can provide insights into their importance in improving efficiency and performance in different industries. Ejectors operate on the principle of fluid dynamics. They typically consist of a nozzle, a mixing chamber, and a diffuser. When a high-velocity fluid, such as steam or air, is forced through the nozzle, it creates a low-pressure area in the mixing chamber. This low pressure allows surrounding fluids or gases to be drawn into the ejector, which are then mixed and expelled at a higher pressure through the diffuser. This process is not only efficient but also requires no moving parts, making ejectors highly reliable. One of the most common applications of ejectors is in vacuum systems. In many industrial processes, maintaining a vacuum is essential for achieving desired outcomes, such as in the packaging of food products or in the semiconductor manufacturing process. Ejectors are used to create and maintain this vacuum by removing air and other gases from the sealed environment. Their ability to operate continuously and without mechanical components makes them ideal for such applications. In the aerospace industry, ejectors are utilized in various systems, including propulsion and environmental control. For instance, rocket engines often employ ejectors to manage fuel and oxidizer flow efficiently. By optimizing the flow rates and pressures, these devices contribute to the overall performance and reliability of the engine, which is critical for successful space missions. Moreover, ejectors are also used in refrigeration and air conditioning systems. They help in the circulation of refrigerants, enhancing the cooling process. The use of ejectors in these systems can lead to energy savings and improved thermal management, making them an attractive option for engineers looking to design more sustainable solutions. In conclusion, ejectors are vital components in many technological processes across various industries. Their unique ability to move fluids without mechanical parts offers significant advantages in terms of reliability and efficiency. As technology continues to advance, the role of ejectors is likely to expand, leading to even more innovative applications and improvements in engineering practices. Understanding the function and benefits of ejectors can inspire future developments and encourage further research into optimizing their use in various fields.

在现代工程和技术中，术语ejectors指的是用于从系统中移除或排出材料的设备。这些设备在各个应用中发挥着至关重要的作用，从航空航天到制造业。理解ejectors的工作原理可以提供对其在提高不同工业效率和性能方面的重要性的洞察。 ejectors基于流体动力学原理运作。它们通常由喷嘴、混合室和扩散器组成。当高速度的流体（如蒸汽或空气）通过喷嘴被强制送出时，会在混合室内产生低压区域。这种低压力使得周围的流体或气体被吸入ejectors中，然后这些流体在扩散器中混合并以更高的压力排出。这个过程不仅高效，而且不需要运动部件，使得ejectors非常可靠。 ejectors最常见的应用之一是在真空系统中。在许多工业过程中，维持真空对于实现期望的结果至关重要，例如在食品包装或半导体制造过程中。ejectors用于通过从密封环境中移除空气和其他气体来创造和维持这种真空。它们能够连续运行且没有机械部件，这使得它们在此类应用中理想。 在航空航天工业中，ejectors被用于各种系统，包括推进和环境控制。例如，火箭发动机通常采用ejectors来有效管理燃料和氧化剂的流动。通过优化流量和压力，这些设备有助于发动机的整体性能和可靠性，这对于成功的太空任务至关重要。 此外，ejectors还用于制冷和空调系统。它们有助于制冷剂的循环，增强冷却过程。在这些系统中使用ejectors可以节省能源并改善热管理，使其成为工程师设计更可持续解决方案的吸引选择。 总之，ejectors是许多技术过程中的重要组成部分，涵盖了各个行业。它们独特的无机械部件移动流体的能力在可靠性和效率方面提供了显著优势。随着技术的不断进步，ejectors的作用可能会扩大，从而导致更多创新应用和工程实践的改进。理解ejectors的功能和优势可以激励未来的发展，并鼓励进一步研究以优化它们在各个领域的使用。