volute casing

简明释义

蜗壳

英英释义

例句

1.Engineers must ensure that the volute casing 涡壳 is properly aligned to avoid vibrations.

工程师必须确保volute casing 涡壳正确对齐，以避免振动。

2.The design of the pump includes a robust volute casing 涡壳 to enhance efficiency.

泵的设计包括一个坚固的volute casing 涡壳以提高效率。

3.The volute casing 涡壳 plays a critical role in directing fluid flow in the turbine.

在涡轮中，volute casing 涡壳在引导流体流动中起着关键作用。

4.During maintenance, we need to inspect the volute casing 涡壳 for any signs of wear.

在维护期间，我们需要检查volute casing 涡壳是否有磨损迹象。

5.The efficiency of the pump can be significantly affected by the shape of the volute casing 涡壳.

泵的效率可以受到volute casing 涡壳形状的显著影响。

作文

The term volute casing refers to a specific type of structure commonly used in centrifugal pumps and turbines. This design is crucial for the efficient operation of these machines, as it helps to convert kinetic energy into pressure energy. The volute casing is characterized by its spiral shape, which allows the fluid to flow smoothly from the impeller to the discharge pipe. Understanding this concept is essential for engineers and technicians working in fluid dynamics and mechanical engineering.In a centrifugal pump, the volute casing serves several important functions. First, it directs the flow of the fluid coming from the impeller, ensuring that it moves in a controlled manner toward the outlet. This is critical because any turbulence or disruption in the flow can lead to inefficiencies and reduced performance. The spiral shape of the volute casing helps maintain a steady flow, minimizing losses due to friction and turbulence.Moreover, the design of the volute casing plays a significant role in the conversion of velocity into pressure. As the fluid exits the impeller, it has high kinetic energy. The expanding area of the volute casing allows for a gradual decrease in velocity, which in turn increases the pressure of the fluid. This is a fundamental principle in fluid mechanics, where the conservation of energy dictates that as one form of energy decreases, another must increase.Another aspect to consider is the materials used in constructing a volute casing. Since these components are often exposed to corrosive fluids and high pressures, they must be made from durable materials that can withstand such conditions. Engineers must select materials that not only provide strength but also resist wear and corrosion over time. Common materials include stainless steel, bronze, and various types of plastics, depending on the application.In addition to pumps, volute casings are also found in turbines, particularly in hydroelectric plants. Here, the volute casing helps guide water from the penstock to the turbine runner, ensuring that the water strikes the blades at the optimal angle for maximum energy transfer. This efficiency is vital for the overall performance of the power generation system.Furthermore, the design of the volute casing can significantly impact the overall efficiency of a pumping system. Engineers often use computational fluid dynamics (CFD) simulations to analyze the flow within the casing and optimize its shape for better performance. By refining the design, they can reduce energy losses and improve the system's overall efficiency, which is crucial in industries where energy costs are a major concern.In conclusion, the volute casing is an integral component of many fluid machinery systems, playing a key role in the efficient conversion of energy and the control of fluid flow. Its unique spiral design facilitates smooth transitions from high-velocity to high-pressure flows, making it indispensable in pumps and turbines. Understanding the principles behind the volute casing is essential for anyone involved in the design and operation of these systems, as it directly affects their performance and efficiency. As technology continues to advance, the optimization of volute casings will remain a critical area of focus for engineers seeking to improve the sustainability and effectiveness of fluid machinery.

术语volute casing指的是一种常用于离心泵和涡轮机的特定结构。这种设计对于这些机器的高效运行至关重要，因为它有助于将动能转化为压力能。volute casing的特点是其螺旋形状，这使得流体能够平稳地从叶轮流向排放管道。理解这一概念对于从事流体动力学和机械工程的工程师和技术人员来说是必不可少的。在离心泵中，volute casing起着几个重要的功能。首先，它引导来自叶轮的流体流动，确保流体以受控的方式朝向出口移动。这一点至关重要，因为任何湍流或流动中的干扰都可能导致效率降低和性能下降。volute casing的螺旋形状有助于保持稳定的流动，最小化由于摩擦和湍流造成的损失。此外，volute casing的设计在动能转化为压力方面也发挥了重要作用。当流体从叶轮出口时，它具有高动能。volute casing的扩展区域允许流速逐渐降低，从而增加流体的压力。这是流体力学中的一个基本原理，即能量守恒定律规定，当一种形式的能量减少时，另一种形式必须增加。另一个需要考虑的方面是制造volute casing所用的材料。由于这些组件通常暴露于腐蚀性流体和高压环境中，因此它们必须由耐用的材料制成，以承受这种条件。工程师必须选择不仅提供强度而且还抵抗磨损和腐蚀的材料。根据应用的不同，常用的材料包括不锈钢、青铜和各种类型的塑料。除了泵之外，volute casings在涡轮机中也很常见，尤其是在水电站中。在这里，volute casing帮助将水从进水管引导到涡轮转子，确保水以最佳角度撞击叶片，以实现最大能量传递。这种效率对于发电系统的整体性能至关重要。此外，volute casing的设计可以显著影响泵系统的整体效率。工程师们经常使用计算流体动力学（CFD）模拟来分析壳体内的流动并优化其形状，以提高性能。通过优化设计，他们可以减少能量损失，提高系统的整体效率，这在能源成本是主要关注点的行业中至关重要。总之，volute casing是许多流体机械系统的重要组成部分，在能量高效转换和流体流动控制中发挥着关键作用。其独特的螺旋设计促进了从高速度到高压力流动的平稳过渡，使其在泵和涡轮机中不可或缺。理解volute casing背后的原理对于任何参与这些系统设计和操作的人来说都是必不可少的，因为它直接影响到它们的性能和效率。随着技术的不断进步，优化volute casings将继续成为工程师寻求改善流体机械可持续性和有效性的关键关注领域。