duration curve

简明释义

历时曲线

英英释义

A duration curve is a graphical representation that shows the relationship between the magnitude of a variable (such as flow rate or demand) and the time duration for which it is exceeded over a specified period.

持续曲线是一个图形表示,显示一个变量(如流量或需求)的大小与在特定时间段内超过该大小的时间持续之间的关系。

例句

1.In hydrology, the duration curve is essential for understanding streamflow variability.

在水文学中,持续时间曲线对于理解河流流量的变化至关重要。

2.The energy company analyzed the duration curve to optimize their power generation strategy.

能源公司分析了持续时间曲线以优化他们的发电策略。

3.By examining the duration curve, we can identify peak demand periods for electricity.

通过检查持续时间曲线,我们可以识别电力的高峰需求期。

4.The duration curve of water flow helps in managing reservoir levels effectively.

水流的持续时间曲线有助于有效管理水库水位。

5.Engineers used the duration curve to assess the reliability of the new renewable energy system.

工程师使用持续时间曲线来评估新可再生能源系统的可靠性。

作文

The concept of a duration curve is crucial in understanding the variability and availability of resources over time. In various fields, especially in hydrology and energy management, the duration curve serves as a vital tool for analyzing the performance and reliability of systems. Essentially, a duration curve represents the distribution of a certain variable, such as water flow or electricity demand, over a specified period. By plotting this data, we can visualize how often certain levels of flow or demand occur, which is invaluable for planning and operational decisions.To illustrate, consider the case of a hydroelectric power plant. The duration curve of water flow into the reservoir can reveal patterns that are essential for optimizing energy production. If the curve shows that high flow rates are sustained for a significant portion of the year, the plant can be designed to maximize output during those times. Conversely, if low flow rates dominate the duration curve, the plant may need to implement strategies for energy storage or backup generation during dry seasons.Moreover, the duration curve can help in assessing the impact of climate change on water resources. As weather patterns shift, the characteristics of the duration curve may change, indicating alterations in seasonal flows. This information can be critical for water resource management, allowing stakeholders to adapt their strategies in response to these changes.In the context of energy consumption, a duration curve can also provide insights into user behavior and demand patterns. For example, a utility company might analyze the duration curve of electricity usage to identify peak demand periods. Understanding when and how much electricity is consumed enables better planning for energy production and distribution, ensuring that supply meets demand without excessive waste.Furthermore, the duration curve can facilitate the integration of renewable energy sources into the grid. By examining the duration curve of wind or solar power generation, utilities can determine when these sources are most productive and adjust their operations accordingly. This can lead to more efficient use of resources and reduced reliance on fossil fuels.In conclusion, the duration curve is an indispensable analytical tool that helps stakeholders across various sectors make informed decisions based on the temporal distribution of resources. Whether in hydrology, energy management, or environmental studies, understanding the implications of a duration curve can lead to better resource allocation, improved efficiency, and enhanced adaptability to changing conditions. As we face increasing pressures from climate change and resource scarcity, the importance of mastering the concept of the duration curve cannot be overstated. It empowers us to anticipate challenges and seize opportunities in a world where sustainability is paramount.

‘持续曲线’的概念在理解资源随时间变化和可用性方面至关重要。在多个领域,尤其是水文学和能源管理中,‘持续曲线’作为分析系统性能和可靠性的关键工具。基本上,‘持续曲线’表示在特定时间段内某一变量(如水流或电力需求)的分布。通过绘制这些数据,我们可以直观地了解某些流量或需求水平出现的频率,这对于规划和运营决策是非常宝贵的。例如,考虑一个水电站的案例。水库进水的‘持续曲线’可以揭示对优化能源生产至关重要的模式。如果曲线显示高流量在一年中的相当长一段时间内持续存在,那么该电厂可以设计为在这些时期最大化输出。相反,如果低流量主导了‘持续曲线’,则该电厂可能需要在干旱季节实施储能或备用发电策略。此外,‘持续曲线’可以帮助评估气候变化对水资源的影响。随着天气模式的变化,‘持续曲线’的特征可能会改变,表明季节性流动的变化。这些信息对于水资源管理至关重要,使利益相关者能够根据这些变化调整其策略。在能源消费的背景下,‘持续曲线’还可以提供用户行为和需求模式的见解。例如,公用事业公司可能分析电力使用的‘持续曲线’,以识别峰值需求期。了解何时以及消耗多少电力使得能源生产和分配的规划更为合理,确保供应满足需求而不会造成过度浪费。此外,‘持续曲线’可以促进可再生能源源的并网。通过检查风能或太阳能发电的‘持续曲线’,公用事业可以确定这些能源在何时最为高效,并相应调整其操作。这可以导致资源的更有效利用,并减少对化石燃料的依赖。总之,‘持续曲线’是一个不可或缺的分析工具,有助于各个行业的利益相关者根据资源的时间分布做出明智的决策。无论是在水文学、能源管理还是环境研究中,理解‘持续曲线’的含义都可以导致更好的资源配置、提高效率和增强适应变化条件的能力。随着我们面临气候变化和资源稀缺的压力日益增加,掌握‘持续曲线’这一概念的重要性不言而喻。它使我们能够预见挑战,把握机遇,在可持续性至关重要的世界中前行。

相关单词

duration

duration详解:怎么读、什么意思、用法

curve

curve详解:怎么读、什么意思、用法