venturi

简明释义

英[venˈtʊəri]美[venˈtʊri]

n. 文丘里管（一种流体流量测定装置，等于 venturi tube）

n. （Venturi）人名；（意）文图里

英英释义

单词用法

同义词

反义词

例句

1.The venturi effect created by the jets draws the powder into the turbulent stream, providing a rapid and efficient mixing action.

由喷嘴所产生的文丘里效应将干粉吸入紊流中，于是提供了快速有效的混合作用。

2.The on the spot inspection of natural gas orifice meter is adopting the transitivity calibration method taking Venturi nozzle as calibration scale.

天然气孔板流量计的现场检定，采用以文丘里音速喷嘴作为标准表的传递型校准法。

3.The feasibility was discussed for the use of Venturi tube and automatic exhaust valve for expelling air from siphon tube.

探讨了虹吸管利用文氏管及自动排气阀排气的可行性。

4.The performance of the combination of Venturi meter and turbine flowmeter in liquid-liquid two-phase flow measurement was investigated.

本文研究了运用单相流量计组合进行液液两相流参数测量的方法。

5.Dynamics and evaporation of fuel droplets in the chamber of fuel burning boiler with Venturi burner are simulated by employing particle trajectory model.

采用颗粒轨道法对选配文丘利型油燃烧器的燃油锅炉炉内油滴颗粒的运动和蒸发过程进行了数值模拟。

6.The results showed that the venturi laryngeal is important to improve the desulphurization efficiency, the higher concentrations of SO_2 locate in the area close to the wall.

结果表明文丘里喉部对提高脱硫效率起到了关键作用，SO_2的高浓区位于壁面附近的局部区域；

7.The combination of two kinds of feeders, Venturi feeder and continuous mechanical rotating feeder, might improve its present problems in using respectively.

指出采用组合式供料器，即将文丘里供料器与机械旋转式连续供料器进行组合使用，可以同时改善它们两者单独使用时存在的问题。

8.The method may further include sensing an absolute exhaust pressure at the venturi, and sensing a temperature of the exhaust gases.

该方法还可包括检测文丘里管处的绝对排气压力，和检测排气温度。

9.To optimize the airflow, engineers adjusted the size of the venturi 文丘里管 in the system.

为了优化气流，工程师调整了系统中<venturi>文丘里管venturi>的大小。

10.The venturi 文丘里管 effect is crucial in carburetors for internal combustion engines.

在内燃机的化油器中，<venturi>文丘里管venturi>效应至关重要。

11.In our laboratory experiment, we measured the pressure drop across the venturi 文丘里管 to determine fluid velocity.

在我们的实验室实验中，我们测量了<venturi>文丘里管venturi>两端的压力差以确定流体速度。

12.The design of the engine incorporates a venturi 文丘里管 to enhance air-fuel mixing.

该发动机的设计包含一个<venturi>文丘里管venturi>以增强空气与燃料的混合。

13.The venturi 文丘里管 is often used in water flow measurement devices.

<venturi>文丘里管venturi>常用于水流测量设备中。

作文

The concept of the venturi is a fascinating one, rooted in fluid dynamics and widely applied in various engineering fields. A venturi is essentially a device that uses the principle of fluid flow to create a pressure difference. This principle was named after the Italian engineer Giovanni Battista Venturi, who discovered that when a fluid flows through a constricted section of pipe, its velocity increases while its pressure decreases. This phenomenon is crucial for many applications, including carburetors in engines, where a venturi helps mix air and fuel efficiently. In practical terms, the venturi effect can be observed in everyday life. For instance, when you drink through a straw, you create a low-pressure area inside the straw, allowing atmospheric pressure to push the liquid up into your mouth. This simple action exemplifies the basic principles behind the venturi effect. Similarly, in industrial applications, venturi meters are used to measure the flow rate of fluids. These meters rely on the differences in pressure created by the flow of the fluid through a narrowing pipe. The ability to accurately measure flow rates is essential for managing resources and ensuring efficiency in various processes.Moreover, the venturi principle is not limited to just measuring flow; it also plays a significant role in mixing different substances. In chemical engineering, venturi mixers are utilized to blend liquids and gases effectively. By leveraging the high-speed flow created by a venturi, these mixers can achieve uniform mixtures that are crucial for producing consistent products in pharmaceuticals, food processing, and other industries. One of the most interesting applications of the venturi effect is in the design of certain types of pumps. For example, venturi pumps use the principle to create suction. These pumps are often employed in water treatment facilities and aquariums to move water without the need for mechanical parts, which can wear out over time. This not only reduces maintenance costs but also enhances reliability. Additionally, the venturi effect is harnessed in various environmental applications. For instance, it is used in air pollution control systems to create vacuum conditions that help capture particles and gases from industrial emissions. By using a venturi scrubber, pollutants can be removed from exhaust streams, contributing to cleaner air and a healthier environment. In conclusion, the venturi is a remarkable invention that demonstrates the interplay between fluid dynamics and practical engineering. Its applications span across multiple fields, from automotive to environmental science, showcasing its versatility and importance. Understanding the venturi effect not only enriches our knowledge of physics but also highlights the innovative ways we can apply scientific principles to solve real-world problems. As technology continues to advance, the venturi will undoubtedly remain a vital component in the development of new systems and processes that enhance efficiency and sustainability in our modern world.

“venturi”的概念是一个迷人的主题，根植于流体动力学，并广泛应用于各个工程领域。venturi 本质上是一个利用流体流动原理来产生压力差的装置。这个原理以意大利工程师乔瓦尼·巴蒂斯塔·文图里的名字命名，他发现当流体通过管道的收缩部分时，其速度增加而压力降低。这一现象对于许多应用至关重要，包括汽车发动机中的化油器，其中 venturi 有助于高效地混合空气和燃料。从实际角度来看，venturi 效应可以在日常生活中观察到。例如，当你用吸管喝水时，你会在吸管内部创造一个低压区域，从而允许大气压力将液体推入你的嘴里。这一简单的动作例证了 venturi 效应背后的基本原理。类似地，在工业应用中，venturi 流量计用于测量流体的流量。这些流量计依赖于流体通过缩小管道流动所产生的压力差。准确测量流量的能力对于管理资源和确保各种过程的效率至关重要。此外，venturi 原理不仅限于仅测量流量；它在混合不同物质方面也发挥着重要作用。在化工工程中，venturi 混合器用于有效地混合液体和气体。通过利用 venturi 产生的高速流动，这些混合器可以实现均匀的混合，这对于生产制药、食品加工和其他行业的一致产品至关重要。venturi 效应最有趣的应用之一是在某些类型的泵设计中。例如，venturi 泵利用这一原理来产生吸力。这些泵通常用于水处理设施和水族馆，以在不需要机械部件的情况下移动水，这些部件可能会随着时间的推移而磨损。这不仅降低了维护成本，还提高了可靠性。此外，venturi 效应还被用于各种环境应用。例如，它在空气污染控制系统中被用来创造真空条件，以帮助捕获工业排放中的颗粒和气体。通过使用 venturi 洗涤器，可以从废气流中去除污染物，从而有助于清洁空气和更健康的环境。总之，venturi 是一个出色的发明，展示了流体动力学与实用工程之间的相互作用。它的应用跨越多个领域，从汽车到环境科学，展示了其多功能性和重要性。理解 venturi 效应不仅丰富了我们对物理学的知识，而且突显了我们可以应用科学原理解决现实问题的创新方式。随着技术的不断进步，venturi 无疑将在新系统和流程的开发中继续扮演重要角色，从而提高我们现代世界的效率和可持续性。