available pressure head

简明释义

1. 有效水头; 2. 有效水压头; 3. 有效压头; 4. 有效压力水头;

英英释义

例句

1.In irrigation systems, understanding the available pressure head 可用压力头 is crucial for ensuring adequate water delivery.

在灌溉系统中，理解可用压力头 available pressure head 对于确保水的充分输送至关重要。

2.The available pressure head 可用压力头 directly affects the flow rate of water in pipelines.

在管道中，可用压力头 available pressure head 直接影响水的流速。

3.Engineers must evaluate the available pressure head 可用压力头 when designing a new water supply system.

工程师在设计新的供水系统时必须评估可用压力头 available pressure head。

4.The pump efficiency can be calculated by measuring the available pressure head 可用压力头 at the discharge point.

通过测量排放点的可用压力头 available pressure head，可以计算泵的效率。

5.A low available pressure head 可用压力头 can lead to insufficient pressure in the distribution network.

低可用压力头 available pressure head 可能导致配水网络中的压力不足。

作文

In the field of fluid mechanics and hydraulics, understanding the concept of available pressure head is crucial for engineers and designers. The term refers to the height of water column that can be supported by the pressure at a certain point in a fluid system. This measurement is essential when designing systems such as water supply networks, irrigation systems, and even wastewater treatment plants. The available pressure head determines how effectively water can be transported through pipes and how much energy is required to maintain flow rates.To elaborate further, the available pressure head is influenced by several factors, including the elevation of the water source, the friction losses occurring within the piping system, and any additional pressure losses due to fittings or valves. For instance, if a water tank is elevated on a hill, the gravitational force will create a greater available pressure head, allowing water to flow more efficiently to lower elevations. Conversely, if the piping system is long and has many bends, the friction losses will reduce the available pressure head, making it necessary to pump water with more energy to achieve the desired flow rate.Moreover, the significance of available pressure head extends beyond just the physical movement of water; it also plays a vital role in ensuring the safety and reliability of hydraulic systems. Engineers must calculate the available pressure head accurately to prevent issues such as pipe bursts or insufficient water supply during peak demand times. If the available pressure head is too low, it can lead to a situation where not enough water reaches its destination, which could affect agricultural fields or urban areas relying on consistent water supply.In practical applications, measuring the available pressure head involves using manometers or piezometers, which are instruments designed to measure fluid pressure. These devices help in determining the pressure at various points in a system, allowing engineers to make informed decisions about design modifications or the need for additional pumping stations. By understanding the available pressure head, engineers can optimize the efficiency of water distribution systems, reduce operational costs, and enhance overall performance.Furthermore, recent advancements in technology have introduced software tools that simulate fluid dynamics, helping engineers visualize how changes in available pressure head can impact a system. These simulations enable predictive analysis, allowing for proactive measures to be taken before problems arise. As a result, engineers can ensure that the available pressure head remains adequate throughout the entire lifespan of the system.In conclusion, the concept of available pressure head is a fundamental aspect of fluid mechanics that significantly impacts the design and operation of hydraulic systems. By accurately measuring and managing this parameter, engineers can ensure efficient water transportation, enhance system reliability, and ultimately provide a better service to communities. As we continue to face challenges related to water scarcity and resource management, the importance of understanding available pressure head will only grow, underscoring the need for continued education and innovation in this critical field.

在流体力学和水力学领域，理解可用压力水头的概念对工程师和设计师至关重要。这个术语指的是在流体系统中某一点的压力所能支持的水柱高度。这一测量对于设计如供水网络、灌溉系统甚至废水处理厂等系统是必不可少的。可用压力水头决定了水通过管道有效运输的能力，以及维持流量所需的能量。进一步阐述，可用压力水头受多个因素的影响，包括水源的高度、管道系统中的摩擦损失，以及由于配件或阀门造成的额外压力损失。例如，如果水箱位于山顶，重力将产生更大的可用压力水头，使水更有效地流向低处。相反，如果管道系统较长且有很多弯头，摩擦损失将减少可用压力水头，这就需要更多的能量来泵送水以达到所需的流量。此外，可用压力水头的重要性不仅仅体现在水的物理移动上；它在确保液压系统的安全性和可靠性方面也发挥着至关重要的作用。工程师必须准确计算可用压力水头以防止管道破裂或在高峰需求时供水不足的问题。如果可用压力水头过低，可能会导致水无法足够到达目的地，这可能会影响依赖稳定供水的农业地区或城市。在实际应用中，测量可用压力水头涉及使用压力计或水位计，这些仪器旨在测量流体压力。这些设备帮助确定系统中各点的压力，使工程师能够对设计修改或是否需要额外泵站做出明智的决策。通过理解可用压力水头，工程师可以优化供水系统的效率，降低运营成本，并提高整体性能。此外，最近的技术进步引入了模拟流体动力学的软件工具，帮助工程师可视化可用压力水头变化如何影响系统。这些模拟使预测分析成为可能，从而在问题出现之前采取主动措施。因此，工程师可以确保可用压力水头在整个系统的生命周期内保持足够。总之，可用压力水头的概念是流体力学的一个基本方面，对液压系统的设计和运行具有重大影响。通过准确测量和管理这一参数，工程师可以确保水的有效运输，提高系统的可靠性，并最终为社区提供更好的服务。随着我们继续面临与水资源短缺和管理相关的挑战，理解可用压力水头的重要性只会增加，这突显了在这一关键领域继续教育和创新的必要性。