propeller in nozzle

简明释义

导管推进器

英英释义

例句

1.In our research, we focused on the design of the propeller in nozzle for underwater vehicles.

在我们的研究中，我们专注于水下车辆的喷嘴中的螺旋桨设计。

2.During the test flight, the performance of the propeller in nozzle was monitored closely.

在测试飞行中，喷嘴中的螺旋桨的性能被密切监测。

3.Adjusting the angle of the propeller in nozzle can significantly affect the vehicle's maneuverability.

调整喷嘴中的螺旋桨的角度可以显著影响车辆的机动性。

4.The propeller in nozzle system is crucial for optimizing fuel consumption in aircraft.

对于优化飞机燃油消耗，喷嘴中的螺旋桨系统至关重要。

5.The engineer explained how the propeller in nozzle works to increase thrust efficiency.

工程师解释了如何通过喷嘴中的螺旋桨来提高推力效率。

作文

The concept of a propeller in nozzle is an important one in the field of fluid dynamics and propulsion systems. This term refers to a specific design where the propeller is integrated within a nozzle, which can enhance the efficiency and performance of various types of engines, particularly in aviation and marine applications. Understanding how a propeller in nozzle operates can provide insights into the advancements in technology that allow for more powerful and efficient engines.In traditional propulsion systems, the propeller is mounted outside the engine or hull, which can lead to inefficiencies due to the turbulence and drag created by the surrounding fluid. However, when a propeller in nozzle configuration is used, the propeller is enclosed within a specially designed nozzle that directs the flow of water or air. This design minimizes drag and maximizes thrust, leading to improved performance.One of the primary advantages of using a propeller in nozzle system is its ability to increase thrust-to-weight ratio. In aviation, for example, aircraft equipped with this type of propulsion can achieve higher speeds and better fuel efficiency. The nozzle helps to accelerate the flow of air over the propeller blades, allowing for greater lift and reduced stall speeds. This is particularly beneficial during takeoff and landing phases of flight, where efficiency and power are crucial.In marine applications, the propeller in nozzle design is also advantageous. Boats and ships that utilize this system can navigate more effectively through water, as the nozzle helps to channel the water flow around the propeller. This results in less energy wasted on turbulence and more effective propulsion. Additionally, vessels equipped with this type of system often exhibit improved maneuverability and stability, making them easier to control in various conditions.Furthermore, the propeller in nozzle configuration can also contribute to noise reduction. Traditional propellers can create significant noise pollution, especially in marine environments. By enclosing the propeller within a nozzle, the noise generated by the blades interacting with the fluid is significantly reduced. This is an essential consideration for both environmental impact and operational efficiency, particularly in areas where noise regulations are strict.As technology continues to advance, research into the propeller in nozzle designs is ongoing. Engineers are exploring new materials and shapes for nozzles that could further improve performance metrics such as thrust, efficiency, and noise reduction. Computational fluid dynamics simulations are being employed to analyze and optimize these designs before they are implemented in real-world applications.In conclusion, the propeller in nozzle is a fascinating and crucial innovation in the domain of propulsion systems. Its ability to enhance efficiency, increase thrust, and reduce noise makes it a valuable design choice for modern aviation and marine vehicles. As we continue to push the boundaries of engineering and technology, understanding concepts like the propeller in nozzle will be vital in developing the next generation of high-performance engines that are both powerful and environmentally friendly.

“喷嘴中的螺旋桨”这一概念在流体动力学和推进系统领域中是一个重要的概念。这个术语指的是一种特定的设计，其中螺旋桨集成在喷嘴内，这可以增强各种类型发动机的效率和性能，特别是在航空和海洋应用中。理解“喷嘴中的螺旋桨”如何运作，可以提供对技术进步的深入见解，这些进步使得发动机更强大且更高效。在传统的推进系统中，螺旋桨通常安装在发动机或船体外部，这可能导致由于周围流体产生的湍流和阻力而造成的低效。然而，当使用“喷嘴中的螺旋桨”配置时，螺旋桨被封闭在一个专门设计的喷嘴内，该喷嘴引导水或空气的流动。这种设计最大限度地减少了阻力并最大化了推力，从而提高了性能。使用“喷嘴中的螺旋桨”系统的主要优点之一是它能够提高推重比。在航空领域，例如，配备这种推进方式的飞机可以实现更高的速度和更好的燃油效率。喷嘴有助于加速流过螺旋桨叶片的空气流动，从而允许更大的升力和降低失速速度。这在飞行的起飞和着陆阶段尤为重要，因为效率和动力至关重要。在海洋应用中，“喷嘴中的螺旋桨”设计同样具有优势。使用该系统的船只可以更有效地在水中航行，因为喷嘴有助于引导水流绕过螺旋桨。这导致在湍流中浪费的能量减少，从而实现更有效的推进。此外，配备这种系统的船只通常表现出更好的机动性和稳定性，使其在各种条件下更易于控制。此外，“喷嘴中的螺旋桨”配置还可以有助于降低噪音。传统螺旋桨会产生显著的噪音污染，尤其是在海洋环境中。通过将螺旋桨封闭在喷嘴内，刀片与流体相互作用产生的噪音显著减少。这对于环境影响和操作效率而言都是一个重要的考虑，尤其是在噪音法规严格的地区。随着技术的不断进步，对“喷嘴中的螺旋桨”设计的研究仍在继续。工程师们正在探索可以进一步提高推力、效率和噪音降低等性能指标的新材料和喷嘴形状。计算流体动力学模拟被用来分析和优化这些设计，然后再在实际应用中实施。总之，“喷嘴中的螺旋桨”是推进系统领域的一项迷人且至关重要的创新。它增强效率、增加推力和降低噪音的能力，使其成为现代航空和海洋车辆的宝贵设计选择。随着我们不断推动工程和技术的边界，理解像“喷嘴中的螺旋桨”这样的概念将对开发下一代既强大又环保的高性能发动机至关重要。