actual thermal efficiency

简明释义

实际热效率

英英释义

例句

1.The power plant reported that its actual thermal efficiency 实际热效率 was significantly higher than the industry average.

发电厂报告称其实际热效率 actual thermal efficiency明显高于行业平均水平。

2.Engineers are working to improve the actual thermal efficiency 实际热效率 of the new combustion system.

工程师们正在努力提高新燃烧系统的实际热效率 actual thermal efficiency。

3.To reduce emissions, we need to maximize the actual thermal efficiency 实际热效率 of our boilers.

为了减少排放，我们需要最大化锅炉的实际热效率 actual thermal efficiency。

4.The actual thermal efficiency 实际热效率 of this turbine is measured during peak operational conditions.

这台涡轮机的实际热效率 actual thermal efficiency是在峰值操作条件下测量的。

5.Comparing the actual thermal efficiency 实际热效率 of different fuels can help in selecting the best option for energy production.

比较不同燃料的实际热效率 actual thermal efficiency可以帮助选择最佳的能源生产选项。

作文

Understanding the concept of actual thermal efficiency is crucial in the field of thermodynamics and energy systems. It refers to the effectiveness with which a system converts the energy from fuel into useful work or energy output. In simpler terms, the actual thermal efficiency measures how well a machine, such as a power plant or an engine, utilizes the energy produced from burning fuel. This concept is essential for evaluating the performance of various energy systems and identifying areas for improvement.To grasp the importance of actual thermal efficiency, we must first consider the basic principles of energy conversion. When fuel is burned, it releases energy in the form of heat. This heat can then be transformed into mechanical energy or electricity. However, not all the energy generated during this process is converted into useful output; some of it is lost as waste heat. The actual thermal efficiency quantifies this loss by comparing the useful energy output to the total energy input.For instance, if a power plant burns coal to generate electricity, the total energy content of the coal represents the input. If the plant produces 100 megawatts of electricity while consuming 300 megawatts of energy from the coal, the actual thermal efficiency would be calculated as follows: Actual Thermal Efficiency = (Useful Output Energy / Total Input Energy) × 100% = (100 MW / 300 MW) × 100% = 33.33%. This means that only one-third of the energy from the coal is effectively converted into electricity, while the rest is lost, often through exhaust gases or cooling systems. Understanding these figures helps engineers and decision-makers optimize energy systems to enhance their actual thermal efficiency.Moreover, improving actual thermal efficiency has significant implications for environmental sustainability and economic viability. Higher efficiency means less fuel consumption for the same amount of energy output, leading to reduced greenhouse gas emissions and lower operational costs. Consequently, industries are increasingly investing in technologies that can elevate their actual thermal efficiency. For example, combined cycle power plants utilize both gas and steam turbines to maximize energy extraction from fuel, significantly improving their overall efficiency compared to traditional single-cycle plants.In addition to power generation, the concept of actual thermal efficiency extends to various applications, including automotive engines, industrial boilers, and even household appliances. Each of these systems can benefit from enhancements in their actual thermal efficiency, resulting in cost savings and a smaller carbon footprint.In conclusion, the actual thermal efficiency of energy systems is a critical metric that reflects their performance in converting fuel into usable energy. By focusing on maximizing this efficiency, we can not only improve economic outcomes but also contribute to a more sustainable future. As we continue to face global energy challenges, understanding and optimizing actual thermal efficiency will be paramount in developing effective solutions that meet our energy needs while safeguarding the environment.

理解实际热效率的概念在热力学和能源系统领域至关重要。它指的是一个系统将燃料中的能量转化为有用的工作或能量输出的有效性。简单来说，实际热效率衡量的是机器（例如发电厂或发动机）如何利用燃烧燃料产生的能量。这个概念对于评估各种能源系统的性能和识别改进领域是必不可少的。要理解实际热效率的重要性，我们首先必须考虑能量转换的基本原理。当燃料燃烧时，它会以热的形式释放能量。这种热量可以转化为机械能或电能。然而，在这个过程中，并不是所有产生的能量都被转化为有用的输出；其中一部分作为废热损失。实际热效率通过比较有用能量输出与总能量输入来量化这种损失。例如，如果一个发电厂燃烧煤炭来发电，煤炭的总能量含量代表输入。如果该厂在消耗300兆瓦的煤炭能量的同时生产100兆瓦的电力，则实际热效率的计算如下：实际热效率 = (有用输出能量 / 总输入能量) × 100% = (100 MW / 300 MW) × 100% = 33.33%。 这意味着只有三分之一的煤炭能量有效地转化为电力，而其余部分则通过废气或冷却系统损失。理解这些数据有助于工程师和决策者优化能源系统，以提高其实际热效率。此外，提高实际热效率对环境可持续性和经济可行性具有重要意义。更高的效率意味着在相同能量输出下消耗更少的燃料，从而减少温室气体排放和降低运营成本。因此，各行业越来越多地投资于可以提高其实际热效率的技术。例如，联合循环发电厂利用燃气和蒸汽涡轮机最大限度地从燃料中提取能量，与传统的单循环发电厂相比，显著提高了整体效率。除了发电，实际热效率的概念还扩展到各种应用，包括汽车发动机、工业锅炉，甚至家用电器。这些系统中的每一个都可以通过提高其实际热效率而受益，从而实现成本节约和更小的碳足迹。总之，能源系统的实际热效率是反映其将燃料转化为可用能量的性能的关键指标。通过专注于最大化这一效率，我们不仅可以改善经济结果，还可以为可持续未来做出贡献。随着我们继续面临全球能源挑战，理解和优化实际热效率将在开发满足我们能源需求同时保护环境的有效解决方案方面至关重要。