combination impulse and reaction turbine

简明释义

混合冲动-反动式涡轮机

英英释义

例句

1.The design of the combination impulse and reaction turbine allows for efficient energy conversion in hydroelectric power plants.

这种组合冲击和反应涡轮机的设计使得水电站能够高效地转换能量。

2.Engineers are exploring new materials to enhance the durability of the combination impulse and reaction turbine blades.

工程师们正在探索新材料，以增强组合冲击和反应涡轮机叶片的耐用性。

3.In modern engineering, a combination impulse and reaction turbine is often used to maximize performance in various applications.

在现代工程中，组合冲击和反应涡轮机常用于最大化各种应用的性能。

4.The combination impulse and reaction turbine is particularly effective in low-head applications.

组合冲击和反应涡轮机在低水头应用中特别有效。

5.The efficiency of a combination impulse and reaction turbine can significantly impact the overall output of a power generation facility.

组合冲击和反应涡轮机的效率会显著影响发电设施的整体输出。

作文

In the field of hydroelectric power generation, turbines play a crucial role in converting the energy of flowing water into mechanical energy, which can then be transformed into electrical energy. Among the various types of turbines, the combination impulse and reaction turbine stands out due to its unique design and operational efficiency. Understanding how this turbine works requires a grasp of the principles behind both impulse and reaction forces in fluid dynamics.Impulse turbines operate on the principle of converting the kinetic energy of water into mechanical energy. Water is directed onto the blades of the turbine at high speed, causing the blades to rotate. This type of turbine is particularly effective in situations where the water flow has a high velocity but low pressure, making it ideal for locations with significant elevation differences, such as waterfalls or dam spillways. The most common example of an impulse turbine is the Pelton wheel, which uses buckets to capture the energy of water jets.On the other hand, reaction turbines function by harnessing both the kinetic and potential energy of water. In these turbines, water flows over the blades, creating a pressure difference that causes the blades to spin. Reaction turbines are typically submerged in the water flow and are designed to operate efficiently in conditions of lower velocity but higher pressure. The Francis turbine is a prime example of a reaction turbine, widely used in hydroelectric plants due to its versatility and efficiency in various water conditions.The combination impulse and reaction turbine merges the principles of both types, allowing it to take advantage of the strengths of each. This hybrid design enables the turbine to operate effectively across a broader range of flow conditions. By utilizing both the kinetic energy from high-velocity water and the pressure energy from slower-moving water, the combination turbine maximizes energy extraction and enhances overall efficiency.One of the key benefits of using a combination impulse and reaction turbine is its adaptability. In many hydroelectric installations, water flow can vary significantly due to seasonal changes or operational demands. A turbine that can efficiently handle both high and low flow rates ensures consistent energy production. This adaptability is particularly important in regions where water availability fluctuates, allowing for stable electricity generation even during dry periods.Furthermore, the combination impulse and reaction turbine can lead to reduced environmental impacts compared to traditional turbines. By optimizing energy extraction and reducing the need for excessive water diversion, these turbines help maintain ecological balance in aquatic environments. This is increasingly important as society becomes more conscious of the environmental implications of energy production.In conclusion, the combination impulse and reaction turbine represents a significant advancement in turbine technology. By integrating the best features of impulse and reaction turbines, it offers enhanced efficiency, adaptability, and reduced environmental impact. As the demand for renewable energy sources continues to grow, understanding and implementing such innovative technologies will be crucial in meeting global energy needs sustainably. The future of hydroelectric power generation looks promising with the continued development of advanced turbine designs like the combination impulse and reaction turbine.

在水电发电领域，涡轮机在将流动水的能量转化为机械能（随后可以转化为电能）方面发挥着至关重要的作用。在各种类型的涡轮机中，组合冲击和反应涡轮机因其独特的设计和操作效率而脱颖而出。理解这种涡轮机的工作原理需要掌握流体动力学中冲击和反应力的原理。冲击涡轮机基于将水的动能转化为机械能的原理。水以高速被引导到涡轮机的叶片上，导致叶片旋转。这种类型的涡轮机在水流速度高但压力低的情况下特别有效，非常适合于具有显著高度差的地点，例如瀑布或大坝溢洪道。冲击涡轮机的一个常见例子是佩尔顿轮，它利用铲斗捕获水射流的能量。另一方面，反应涡轮机通过利用水的动能和势能来工作。在这些涡轮机中，水流过叶片，产生压力差，使叶片旋转。反应涡轮机通常浸没在水流中，旨在在较低速度但更高压力的条件下高效运行。弗朗西斯涡轮机是反应涡轮机的一个主要例子，由于其在各种水条件下的多功能性和效率，广泛应用于水电厂。组合冲击和反应涡轮机结合了这两种类型的原理，使其能够利用每种类型的优势。这种混合设计使涡轮机能够在更广泛的流动条件下有效运行。通过同时利用高流速水的动能和低流速水的压力能，组合涡轮机最大化了能量提取并提高了整体效率。使用组合冲击和反应涡轮机的一个关键好处是其适应性。在许多水电安装中，由于季节变化或操作需求，水流可能会显著变化。能够高效处理高流量和低流量的涡轮机确保了稳定的能源生产。这种适应性在水资源波动的地区尤为重要，使得即使在干旱时期也能稳定发电。此外，组合冲击和反应涡轮机相比传统涡轮机可以减少环境影响。通过优化能量提取，减少对过度水流的需求，这些涡轮机有助于维护水域生态平衡。随着社会对能源生产的环境影响日益关注，这一点变得越来越重要。总之，组合冲击和反应涡轮机代表了涡轮机技术的重大进步。通过整合冲击和反应涡轮机的最佳特性，它提供了更高的效率、适应性和降低的环境影响。随着对可再生能源需求的不断增长，理解和实施这样的创新技术将在可持续满足全球能源需求方面至关重要。随着先进涡轮机设计如组合冲击和反应涡轮机的持续发展，水电发电的未来看起来充满希望。