water head

简明释义

水头

英英释义

例句

1.The engineer measured the water head to determine the potential energy of the water in the dam.

工程师测量了水头以确定大坝中水的潜在能量。

2.The water head of the river decreases during the dry season, affecting irrigation.

在旱季，河流的水头降低，影响灌溉。

3.A higher water head results in increased pressure, which is essential for hydroelectric power generation.

更高的水头会导致压力增加，这对水电发电至关重要。

4.During the flood, the water head rose significantly, causing concerns among local residents.

洪水期间，水头显著上升，导致当地居民担忧。

5.To calculate the flow rate, we need to know the water head at the intake.

要计算流量，我们需要知道进水口的水头。

作文

In the realm of engineering and hydrology, the term water head refers to the height of water in a reservoir or the pressure exerted by a column of water. This concept is crucial for understanding how water flows and is used in various applications, from designing dams to calculating the efficiency of turbines in hydroelectric power plants. The water head can be influenced by several factors, including the elevation of the water source, the geometry of the waterway, and environmental conditions such as rainfall and evaporation. To illustrate the significance of water head, consider a simple example involving a water tank situated on a hill. The higher the tank is positioned, the greater the water head it possesses. This increased height results in higher water pressure at the outlet, allowing water to flow more forcefully through pipes and reach destinations further away. Conversely, if the tank were placed at ground level, the water head would be minimal, leading to reduced water pressure and flow rate.In the field of hydropower, engineers must carefully calculate the water head to maximize energy generation. A higher water head typically means more potential energy can be converted into electrical energy. For instance, a dam built on a river creates a large reservoir, increasing the water head. When water is released from this reservoir, it flows down through turbines, generating electricity. Therefore, the design and location of dams are often determined by the potential water head available in a given area.Furthermore, understanding water head is also essential in irrigation systems. Farmers rely on the gravitational pull of water to irrigate their crops efficiently. By utilizing the natural slope of the land, they can create channels that take advantage of the water head to distribute water evenly across their fields. This method not only conserves water but also ensures that crops receive adequate moisture without the need for excessive pumping.In conclusion, the term water head is fundamental in various fields, including engineering, hydropower, and agriculture. Its implications extend beyond mere measurements; it influences the design and efficiency of systems that rely on water flow. Understanding the principles behind water head allows professionals to make informed decisions that enhance productivity and sustainability. As our world continues to face challenges related to water management, the importance of mastering concepts like water head will only grow. Overall, the study of water head encompasses both theoretical knowledge and practical applications, making it a vital topic for anyone involved in water resource management or engineering.

在工程和水文学领域，术语水头指的是水库中水的高度或水柱所施加的压力。这个概念对于理解水的流动及其在各种应用中的使用至关重要，从设计大坝到计算水电站涡轮机的效率，水头都扮演着重要角色。水头可以受到几个因素的影响，包括水源的高度、水道的几何形状以及降雨和蒸发等环境条件。为了说明水头的重要性，考虑一个简单的例子：一个位于山上的水箱。水箱的位置越高，拥有的水头就越大。这种高度的增加导致水在出口处的压力增大，使水能够更有力地通过管道流向更远的目的地。相反，如果水箱放置在地面上，水头将很小，这会导致水压和流量降低。在水电领域，工程师必须仔细计算水头以最大化能量生成。通常来说，更高的水头意味着可以将更多的潜在能量转换为电能。例如，建在河流上的大坝会创建一个大型水库，从而增加水头。当从这个水库释放水时，水会流经涡轮机，发电。因此，大坝的设计和位置通常取决于特定区域内可用的潜在水头。此外，了解水头在灌溉系统中也至关重要。农民依靠水的重力作用有效地灌溉作物。通过利用土地的自然坡度，他们可以创建渠道，利用水头将水均匀分配到田地中。这种方法不仅节约了水资源，还确保作物获得足够的水分，而无需过多抽水。总之，术语水头在工程、水电和农业等多个领域都是基础。它的影响超越了简单的测量，它影响着依赖水流的系统的设计和效率。理解水头背后的原理使专业人士能够做出明智的决定，从而提高生产力和可持续性。随着我们的世界继续面临与水管理相关的挑战，掌握像水头这样的概念的重要性只会增加。总体而言，水头的研究涵盖了理论知识和实际应用，使其成为任何参与水资源管理或工程的人士的重要主题。