thermal efficiency

简明释义

热效率

英英释义

例句

1.Investing in better insulation can improve the thermal efficiency of your home.

投资更好的绝缘材料可以提高您家中的热效率。

2.The thermal efficiency 热效率 of this power plant is among the highest in the country.

这座发电厂的热效率在全国中是最高的之一。

3.By optimizing the heat exchanger, we can enhance the thermal efficiency of the system.

通过优化热交换器，我们可以提高系统的热效率。

4.The new engine design has significantly improved its thermal efficiency.

新发动机设计显著提高了其热效率。

5.The thermal efficiency 热效率 of traditional boilers is often less than 70%.

传统锅炉的热效率通常低于70%。

作文

Thermal efficiency is a crucial concept in the field of thermodynamics and engineering. It refers to the ratio of useful work output from a system to the total energy input into that system. In simpler terms, it measures how effectively a system converts heat energy into work. The higher the thermal efficiency, the less energy is wasted, which is a significant factor in both economic and environmental considerations. As global energy demands continue to rise, improving the thermal efficiency of machines and processes becomes increasingly important.One of the most common examples of thermal efficiency can be found in power plants. These facilities convert heat energy, often from burning fossil fuels or nuclear reactions, into electrical energy. However, not all the heat generated is converted into electricity; some of it is lost to the environment. By enhancing the thermal efficiency of these plants, we can reduce fuel consumption and lower greenhouse gas emissions, contributing to a more sustainable future.Another area where thermal efficiency plays a vital role is in internal combustion engines, commonly used in vehicles. The thermal efficiency of an engine determines how well it converts the energy in fuel into mechanical energy. Modern engines have made significant strides in improving their thermal efficiency, with some achieving efficiencies above 40%. This means that less fuel is needed for the same amount of power, resulting in lower costs and reduced environmental impact.In addition to traditional energy systems, thermal efficiency is also critical in renewable energy technologies. For instance, solar thermal systems harness sunlight to produce heat, which can then be converted into electricity. The thermal efficiency of these systems is essential for maximizing energy output and ensuring that they are viable alternatives to fossil fuels. Research continues to focus on improving the thermal efficiency of solar panels and other renewable technologies to make them more competitive in the energy market.Moreover, buildings and industrial processes can also benefit from improved thermal efficiency. Insulation, energy-efficient appliances, and advanced heating systems can significantly reduce energy consumption. By focusing on the thermal efficiency of our homes and workplaces, we can decrease our reliance on non-renewable energy sources and lower our overall carbon footprint.In conclusion, thermal efficiency is a fundamental aspect of energy conversion processes across various sectors. Understanding and improving thermal efficiency not only leads to economic benefits through reduced energy costs but also plays a critical role in addressing climate change. As technology continues to advance, the pursuit of higher thermal efficiency will remain at the forefront of engineering and environmental efforts, paving the way for a more sustainable and efficient energy future.

热效率是热力学和工程领域的一个关键概念。它指的是系统中有用功输出与系统总能量输入之间的比率。简单来说，它衡量的是一个系统将热能转化为功的有效性。热效率越高，浪费的能量就越少，这在经济和环境考虑上都是一个重要因素。随着全球能源需求的不断上升，提高机器和过程的热效率变得愈发重要。热效率的一个常见例子可以在发电厂中找到。这些设施将热能（通常来自燃烧化石燃料或核反应）转化为电能。然而，并不是所有产生的热量都转化为电力；其中一部分会损失到环境中。通过提高这些工厂的热效率，我们可以减少燃料消耗并降低温室气体排放，为更可持续的未来做出贡献。另一个热效率发挥重要作用的领域是内燃机，通常用于车辆中。发动机的热效率决定了它将燃料中的能量转化为机械能的效果。现代发动机在提高热效率方面取得了显著进展，有些达到超过40%的效率。这意味着需要更少的燃料来产生相同的功率，从而降低成本并减少环境影响。除了传统的能源系统，热效率在可再生能源技术中也至关重要。例如，太阳能热系统利用阳光产生热量，然后转化为电力。这些系统的热效率对于最大化能量输出和确保它们成为化石燃料的可行替代品至关重要。研究继续集中在提高太阳能电池板和其他可再生技术的热效率，以使其在能源市场中更具竞争力。此外，建筑物和工业过程也可以从提高热效率中受益。绝缘、节能电器和先进的供暖系统可以显著减少能量消耗。通过关注我们家庭和工作场所的热效率，我们可以减少对非可再生能源的依赖，并降低我们的整体碳足迹。总之，热效率是各个行业能源转化过程的基本方面。理解和提高热效率不仅通过降低能源成本带来经济利益，而且在应对气候变化中也发挥着关键作用。随着技术的不断进步，对更高热效率的追求将继续处于工程和环境努力的前沿，为更加可持续和高效的能源未来铺平道路。