mean power
简明释义
平均功率
英英释义
Mean power refers to the average amount of energy transferred or converted per unit time in a system over a specified period. | 平均功率指在指定时间段内,系统中每单位时间转移或转换的能量的平均值。 |
例句
1.The mean power 平均功率 output of the solar panels was higher than expected.
太阳能电池板的mean power 平均功率输出高于预期。
2.The mean power 平均功率 consumption of the device is critical for battery life.
该设备的mean power 平均功率消耗对电池寿命至关重要。
3.To calculate the mean power 平均功率, you need to divide the total energy used by the time period.
要计算mean power 平均功率,你需要将总能量除以时间段。
4.The mean power 平均功率 of the engine was measured during the test.
在测试过程中,发动机的mean power 平均功率 被测量。
5.Engineers often analyze the mean power 平均功率 to improve efficiency.
工程师们常常分析mean power 平均功率以提高效率。
作文
In the realm of physics and engineering, the term mean power refers to the average amount of energy transferred or converted per unit time. This concept is crucial in understanding how systems operate over time, especially when dealing with alternating current (AC) circuits or mechanical systems that do not deliver constant power. The mean power can be calculated by taking the total energy consumed over a period and dividing it by the duration of that period. This average helps engineers and scientists assess the performance and efficiency of various systems.For instance, consider an electric motor that operates intermittently. Rather than measuring the instantaneous power at any given moment, which may fluctuate greatly, engineers often look at the mean power output over a full operational cycle. This provides a clearer picture of the motor's efficiency and energy consumption, allowing for better design and optimization.Understanding mean power is also essential in the context of renewable energy sources. Solar panels, for example, do not produce a constant output; their power generation varies with sunlight availability throughout the day. By calculating the mean power output over a specific timeframe, such as a day or month, one can evaluate the effectiveness of solar installations in meeting energy demands. This information is vital for both consumers and energy providers to make informed decisions about energy usage and sustainability.In everyday life, we encounter mean power in various forms, such as household appliances. When you look at the specifications of a refrigerator, for example, the manufacturer often provides the mean power consumption, which indicates how much energy the appliance will typically use over time. This allows consumers to estimate their electricity bills and make choices that align with their budget and environmental goals.Moreover, understanding mean power can help in reducing energy costs. By being aware of the average power consumption of different appliances, households can prioritize energy-efficient devices and reduce waste. For instance, using LED bulbs instead of incandescent ones can significantly lower the mean power consumption of lighting in a home, leading to substantial savings on electricity bills.In conclusion, the concept of mean power is fundamental across various fields, from engineering to everyday life. It provides a reliable measure of energy consumption that helps in evaluating performance, optimizing systems, and making informed decisions about energy use. As we continue to seek ways to improve efficiency and sustainability, a solid understanding of mean power will remain essential for both individuals and industries alike. By leveraging this knowledge, we can contribute to a more energy-conscious society that values efficiency and environmental stewardship.
在物理和工程领域,术语mean power指的是单位时间内传输或转换的平均能量。这一概念对于理解系统随时间的运行至关重要,尤其是在处理交流电(AC)电路或不提供恒定功率的机械系统时。mean power可以通过将某一时期内消耗的总能量除以该时期的持续时间来计算。这个平均值帮助工程师和科学家评估各种系统的性能和效率。例如,考虑一个间歇性工作的电动机。与其在任何给定时刻测量瞬时功率(瞬时功率可能大幅波动),工程师通常会查看电动机在整个工作周期内的mean power输出。这提供了电动机效率和能耗的更清晰图景,从而允许更好的设计和优化。理解mean power在可再生能源的背景下也至关重要。例如,太阳能电池板并不产生恒定的输出;它们的发电量随着日照的变化而变化。通过计算特定时间段(如一天或一个月)的mean power输出,可以评估太阳能装置满足能源需求的有效性。这些信息对于消费者和能源供应商做出有关能源使用和可持续性的明智决策至关重要。在日常生活中,我们在各种形式中遇到mean power,例如家用电器。当你查看冰箱的规格时,制造商通常会提供mean power消耗,这表明该设备通常会使用多少能量。这使消费者能够估算电费,并做出与其预算和环保目标一致的选择。此外,理解mean power可以帮助降低能源成本。通过了解不同电器的平均功率消耗,家庭可以优先选择节能设备,以减少浪费。例如,使用LED灯泡代替白炽灯泡可以显著降低家庭照明的mean power消耗,从而在电费上带来可观的节省。总之,mean power的概念在各个领域都是基础,从工程到日常生活。它提供了一个可靠的能耗衡量标准,有助于评估性能、优化系统以及做出明智的能源使用决策。随着我们继续寻求提高效率和可持续性的方式,对mean power的深入理解将对个人和行业保持至关重要。通过利用这一知识,我们可以为一个更加注重能源的社会做出贡献,重视效率和环境管理。