valveless

简明释义

英[ˈvælvləs]美[ˈvælvləs]

adj. 无阀的

英英释义

单词用法

同义词

反义词

例句

1.Having analysed the dynamic character of valveless pneumatic percussive mechanism, this paper provides a linear acceleration method for calculating characteristic parameters, and corrects B. m.

通过对无阀气功冲击机构的动态特性分析，本文提出了性能参数计算，的线性加速度法，改进了B.M。

2.The ignition-detonation performance of two-phase valveless pulse detonation engines(PDEs) with the inner diameters of 50 mm and 120 mm in different operation cases was investigated.

针对两相无阀脉冲爆震发动机（PDE），研究了点火能量、工作频率、发动机直径、进气方式和燃料种类等对PDE点火-起爆性能的影响。

3.Research results provide a theoretical basis for the piezoelectric-driven valveless micro-pump structure design and have important reference value for the rationalization of the design of micro-pump.

研究结果为压电驱动无阀微泵的研究和设计提供了参考数据，对于微泵系统的研究和应用具有一定的理论价值。

4.Various types of micropumps have been developed, especially valveless micropumps with simple structure attract much more attention and have become focus of research in recent years.

目前己研制出多种类型的微型泵，而其中无阀微泵因其结构简单等优点成为近年来的研究热点。

5.Structural design and mechanism analysis of a valveless piezoelectric pump with single bimorph and double chambers;

介绍了压电泵的单腔体结构和多腔体结构，而多腔体结构的压电泵是今后研究的一个主要方向。

6.In this dissertation, only the piezoelectric bimorph micro-actuator and valveless piezoelectric micro pump are introduced.

本文的研究重点是压电双晶梁微驱动器和无阀压电微泵。

7.Research results provide a theoretical basis for the piezoelectric-driven valveless micro-pump structure design and have important reference value for the rationalization of the design of micro-pump.

研究结果为压电驱动无阀微泵的研究和设计提供了参考数据，对于微泵系统的研究和应用具有一定的理论价值。

8.The surface water treatment systems without clarifying basin and Valveless Filter Base were introduced.

介绍了以地表水为水源的水处理系统设计中，不设计澄清池与无阀滤池的另类系统。

9.Analysis on Flow Characteristic of Flat-Walled Diffusers applied in Valveless Piezoelectric Pumps [J]. Journal of Drainage and Irrigation Machinery Engin, 0, : 7 -.

无阀压电泵用平面锥管内部流动特性分析[J]。排灌机械工程学报，0，：7-。

10.They developed a valveless 无阀的 air compressor that is quieter than traditional models.

他们开发了一种无阀的空气压缩机，比传统型号更安静。

11.The new design features a valveless 无阀的 pump that improves efficiency.

新设计采用了一个无阀的泵，提高了效率。

12.The valveless 无阀的 engine design allows for smoother operation and reduced wear.

这种无阀的发动机设计允许更平稳的操作和减少磨损。

13.In our latest experiment, we used a valveless 无阀的 flow system to measure fluid dynamics.

在我们最新的实验中，我们使用了一个无阀的流动系统来测量流体动力学。

14.The valveless 无阀的 irrigation system uses gravity to distribute water efficiently.

这种无阀的灌溉系统利用重力有效分配水源。

作文

In the world of engineering and design, the term valveless refers to systems or mechanisms that operate without the use of traditional valves. This concept is particularly relevant in fluid dynamics, where valves are commonly used to control the flow of liquids and gases. However, the idea of a valveless system opens up new possibilities for innovation and efficiency.One notable example of a valveless design can be found in certain types of pumps and engines. Traditional pumps rely on valves to regulate the intake and discharge of fluid, which can introduce complexity and potential points of failure. In contrast, valveless pumps utilize alternative methods, such as peristaltic action or diaphragm mechanisms, to achieve fluid movement without the need for valves. This not only simplifies the design but also enhances reliability, as there are fewer components that can wear out or malfunction.The benefits of valveless systems extend beyond just mechanical simplicity. For instance, in medical applications, valveless devices can lead to more accurate dosing and reduced risk of contamination. In drug delivery systems, eliminating valves minimizes dead volume, ensuring that patients receive the full dosage of medication without waste. This is crucial in scenarios where precise measurements are essential for patient safety and treatment efficacy.Moreover, the environmental impact of valveless technologies cannot be overlooked. By streamlining processes and reducing the number of components, these systems often consume less energy and generate less waste. For example, valveless combustion engines, which utilize innovative designs to manage fuel and air intake without traditional valves, have shown promise in improving fuel efficiency and reducing emissions. As the world grapples with climate change and the need for sustainable solutions, valveless technologies may play a significant role in shaping the future of engineering.Despite these advantages, the transition to valveless systems is not without challenges. Engineers must carefully consider the specific requirements of each application to determine whether a valveless approach is suitable. Additionally, research and development efforts are necessary to refine these technologies and ensure they can compete with established systems. However, the potential rewards make it a worthwhile pursuit.In conclusion, the concept of valveless systems represents an exciting frontier in engineering and design. By eliminating traditional valves, these systems offer enhanced reliability, improved efficiency, and reduced environmental impact. As we continue to explore innovative solutions to modern challenges, valveless technologies will undoubtedly play a critical role in shaping the future of various industries. Embracing this paradigm shift could lead to breakthroughs that enhance our quality of life and promote a more sustainable world.

在工程和设计的世界中，术语valveless指的是没有使用传统阀门的系统或机制。这个概念在流体动力学中尤为相关，阀门通常用于控制液体和气体的流动。然而，valveless系统的想法为创新和效率开辟了新的可能性。一个显著的例子是某些类型的泵和发动机。传统的泵依赖于阀门来调节液体的进气和排放，这可能会引入复杂性和潜在的故障点。相比之下，valveless泵利用替代方法，如蠕动作用或膜机制，在不需要阀门的情况下实现液体移动。这不仅简化了设计，还提高了可靠性，因为可磨损或故障的组件更少。valveless系统的好处不仅限于机械简单性。例如，在医疗应用中，valveless设备可以导致更准确的剂量和降低污染风险。在药物输送系统中，消除阀门最小化死体积，确保患者获得完整的药物剂量而没有浪费。这在需要精确测量以确保患者安全和治疗有效性的情况下至关重要。此外，valveless技术的环境影响也不容忽视。通过简化过程并减少组件数量，这些系统通常消耗更少的能源并产生更少的废物。例如，valveless燃烧发动机利用创新设计管理燃料和空气的进气，而不使用传统阀门，已显示出提高燃油效率和减少排放的潜力。当世界面临气候变化和对可持续解决方案的需求时，valveless技术可能在塑造工程未来方面发挥重要作用。尽管有这些优点，过渡到valveless系统并非没有挑战。工程师必须仔细考虑每个应用的具体要求，以确定valveless方法是否合适。此外，研究和开发工作是必要的，以完善这些技术并确保它们能够与既定系统竞争。然而，潜在的回报使其成为值得追求的目标。总之，valveless系统的概念代表了工程和设计中的一个激动人心的前沿。通过消除传统阀门，这些系统提供了增强的可靠性、改善的效率和减少的环境影响。随着我们继续探索应对现代挑战的创新解决方案，valveless技术无疑将在塑造各个行业的未来中发挥关键作用。接受这一范式转变可能会导致突破，提升我们的生活质量并促进一个更可持续的世界。