brake thermal efficiency

简明释义

有效热效率

英英释义

例句

1.The engine's brake thermal efficiency 制动热效率 was measured to determine its performance under load.

这台发动机的brake thermal efficiency 制动热效率被测量以确定其在负载下的性能。

2.Improving the brake thermal efficiency 制动热效率 can lead to better fuel economy in vehicles.

提高brake thermal efficiency 制动热效率可以改善车辆的燃油经济性。

3.The new turbocharger significantly improved the brake thermal efficiency 制动热效率 of the engine.

新的涡轮增压器显著提高了发动机的brake thermal efficiency 制动热效率。

4.Engine designers often aim for a high brake thermal efficiency 制动热效率 to maximize power output.

发动机设计师通常旨在实现高brake thermal efficiency 制动热效率以最大化功率输出。

5.The research focused on enhancing the brake thermal efficiency 制动热效率 of hybrid engines.

这项研究专注于提高混合动力发动机的brake thermal efficiency 制动热效率。

作文

In the field of engineering, particularly in thermodynamics and automotive engineering, the term brake thermal efficiency is crucial for understanding the performance of an engine. Essentially, brake thermal efficiency (制动热效率) refers to the ratio of the useful work output of an engine to the heat input from the fuel consumed. This metric provides insight into how effectively an engine converts the energy stored in fuel into mechanical energy. A higher brake thermal efficiency indicates that more of the fuel's energy is being transformed into useful work, which is a desirable characteristic in any engine design.When evaluating engines, manufacturers and engineers often look at brake thermal efficiency to determine how well an engine performs under various conditions. For example, in internal combustion engines, factors such as compression ratio, fuel type, and engine design significantly influence brake thermal efficiency. Engineers strive to enhance this efficiency through innovative technologies, such as turbocharging, direct fuel injection, and advanced combustion techniques. The importance of brake thermal efficiency extends beyond performance; it also has significant implications for environmental impact. Engines with higher brake thermal efficiency tend to produce fewer emissions since they use fuel more efficiently. This is particularly important in today's context, where there is a growing emphasis on reducing carbon footprints and adhering to stringent environmental regulations. As such, improving brake thermal efficiency is not only a technical goal but also an environmental imperative.Moreover, the concept of brake thermal efficiency can also be applied in the context of power plants and other energy conversion systems. In these settings, maximizing brake thermal efficiency is critical for optimizing energy production and minimizing waste. Engineers continuously research and develop new methods to improve this efficiency, utilizing advanced materials, innovative designs, and cutting-edge technologies.In conclusion, understanding brake thermal efficiency is essential for anyone involved in the fields of mechanical and automotive engineering. It serves as a key performance indicator that reflects how well an engine or energy system converts fuel into usable energy. By focusing on enhancing brake thermal efficiency, engineers can create more powerful, efficient, and environmentally friendly engines and energy systems. As technology continues to advance, the pursuit of higher brake thermal efficiency will remain a central theme in engineering, driving innovation and sustainability in the industry.

在工程领域，特别是热力学和汽车工程中，术语制动热效率对于理解发动机的性能至关重要。基本上，制动热效率（brake thermal efficiency）是指发动机的有用功输出与消耗燃料所产生的热输入之间的比率。这个指标提供了关于发动机如何有效地将燃料中储存的能量转化为机械能的洞察。更高的制动热效率表明更多的燃料能量被转化为有用功，这是任何发动机设计中都希望具备的特性。在评估发动机时，制造商和工程师通常会关注制动热效率以确定发动机在各种条件下的表现。例如，在内燃机中，压缩比、燃料类型和发动机设计等因素显著影响制动热效率。工程师们通过创新技术，如涡轮增压、直接燃油喷射和先进的燃烧技术，努力提高这种效率。制动热效率的重要性不仅体现在性能上；它对环境影响也有重大意义。具有更高制动热效率的发动机往往产生更少的排放，因为它们更有效地使用燃料。在当今背景下，这一点尤为重要，因为越来越重视减少碳足迹，并遵守严格的环境法规。因此，提高制动热效率不仅是一个技术目标，也是一个环境责任。此外，制动热效率的概念还可以应用于发电厂和其他能源转换系统。在这些环境中，最大化制动热效率对于优化能源生产和最小化浪费至关重要。工程师们不断研究和开发新方法来改善这种效率，利用先进材料、创新设计和尖端技术。总之，了解制动热效率对于任何涉及机械和汽车工程的人来说都是必不可少的。它作为一个关键的性能指标，反映了发动机或能源系统将燃料转化为可用能量的能力。通过专注于提高制动热效率，工程师们可以创造出更强大、更高效和更环保的发动机和能源系统。随着技术的不断进步，追求更高的制动热效率将始终是工程领域的核心主题，推动行业的创新和可持续发展。