impeller passage

简明释义

叶轮流道

英英释义

例句

1.A narrow impeller passage can cause cavitation issues in high-speed pumps.

狭窄的叶轮通道可能会导致高速泵出现气蚀问题。

2.The engineer recommended increasing the diameter of the impeller passage for better performance.

工程师建议增大叶轮通道的直径以提高性能。

3.During maintenance, we found debris blocking the impeller passage.

在维护过程中，我们发现杂物阻塞了叶轮通道。

4.We need to measure the flow rate through the impeller passage to ensure efficiency.

我们需要测量通过叶轮通道的流量以确保效率。

5.The design of the pump includes a wide impeller passage to enhance fluid flow.

泵的设计包括一个宽的叶轮通道以增强流体流动。

作文

In the realm of fluid dynamics, the design and functionality of various components are crucial for the efficiency of systems like pumps and turbines. One such component that plays a vital role in these systems is the impeller. The term impeller passage refers to the channel or pathway through which the fluid flows as it is being moved by the impeller. Understanding the characteristics and design of the impeller passage is essential for engineers and designers tasked with optimizing fluid flow and energy transfer in mechanical systems.The impeller passage is designed to facilitate the smooth movement of fluid while minimizing turbulence and energy losses. A well-designed impeller passage can significantly enhance the performance of a pump or turbine, allowing it to operate more efficiently and effectively. Factors such as the shape, size, and angle of the impeller passage are critical in determining how well the device will perform under different operating conditions.For instance, in centrifugal pumps, the impeller passage is typically curved to help direct the fluid outward as it is propelled by the impeller's rotation. This curvature helps to maintain a steady flow rate and reduces the risk of cavitation, a phenomenon that can cause damage to the pump and decrease its efficiency. Engineers must carefully analyze the fluid dynamics within the impeller passage to ensure that the design meets the specific requirements of the application.Moreover, the material used for constructing the impeller passage can also impact its performance. Materials that can withstand high pressures and corrosive environments are often selected to ensure longevity and reliability. For example, in applications involving seawater or chemicals, stainless steel or specialized alloys may be used to prevent degradation over time.In addition to the physical design aspects, computational fluid dynamics (CFD) simulations are increasingly employed to study the behavior of fluids within the impeller passage. These simulations allow engineers to visualize flow patterns, identify areas of potential inefficiency, and make informed decisions about modifications to improve overall performance. By utilizing advanced modeling techniques, engineers can optimize the impeller passage design before physical prototypes are built, saving time and resources in the development process.Furthermore, the importance of the impeller passage extends beyond just pumps and turbines. It plays a critical role in various applications, including HVAC systems, automotive engines, and even in natural phenomena like ocean currents. The principles governing the flow through an impeller passage can provide insights into broader fluid dynamics concepts, making it a valuable area of study for both academic researchers and industry professionals.In conclusion, the impeller passage is a fundamental aspect of fluid machinery that significantly influences the efficiency and effectiveness of systems designed to move fluids. By understanding the intricacies of the impeller passage, engineers can design better, more efficient devices that meet the demands of various applications. As technology continues to advance, the study of impeller passage design and optimization will remain a key focus for improving fluid handling systems across multiple industries.

在流体动力学领域，各种组件的设计和功能对于泵和涡轮机等系统的效率至关重要。其中一个在这些系统中发挥重要作用的组件是叶轮。术语impeller passage指的是流体在被叶轮移动时流动的通道或路径。理解impeller passage的特性和设计对于负责优化机械系统中的流体流动和能量传输的工程师和设计师至关重要。impeller passage的设计旨在促进流体的平稳移动，同时最小化湍流和能量损失。设计良好的impeller passage可以显著提高泵或涡轮机的性能，使其能够更高效、有效地运行。impeller passage的形状、大小和角度等因素对设备在不同操作条件下的表现至关重要。例如，在离心泵中，impeller passage通常是弯曲的，以帮助在叶轮旋转时将流体向外引导。这种弯曲有助于保持稳定的流量，并减少气蚀的风险，这种现象可能会对泵造成损害并降低其效率。工程师必须仔细分析impeller passage内的流体动力学，以确保设计满足特定应用的要求。此外，用于构建impeller passage的材料也会影响其性能。能够承受高压和腐蚀环境的材料通常被选用，以确保其耐久性和可靠性。例如，在涉及海水或化学品的应用中，可能使用不锈钢或专用合金，以防止随着时间的推移而降解。除了物理设计方面，计算流体动力学（CFD）模拟越来越多地用于研究流体在impeller passage内的行为。这些模拟允许工程师可视化流动模式，识别潜在的低效区域，并就改进整体性能的修改做出明智的决策。通过利用先进的建模技术，工程师可以在制造物理原型之前优化impeller passage的设计，从而节省开发过程中的时间和资源。此外，impeller passage的重要性不仅限于泵和涡轮机。它在各种应用中都发挥着关键作用，包括暖通空调系统、汽车发动机，甚至在自然现象如海洋洋流中。通过impeller passage的流动所遵循的原则可以为更广泛的流体动力学概念提供见解，使其成为学术研究者和行业专业人士的宝贵研究领域。总之，impeller passage是流体机械的一个基本方面，显著影响着设计用于移动流体的系统的效率和有效性。通过理解impeller passage的复杂性，工程师可以设计出更好、更高效的设备，以满足各种应用的需求。随着技术的不断进步，对impeller passage设计和优化的研究将继续成为改善多个行业流体处理系统的关键焦点。