indicated thermal efficiency

简明释义

指示热效率

英英释义

例句

1.The engine's performance was evaluated based on its indicated thermal efficiency, which measures how well it converts fuel into useful work.

发动机的性能是根据其指示热效率进行评估的，该效率测量它将燃料转化为有用功的能力。

2.Improving the indicated thermal efficiency of a power plant can lead to significant reductions in fuel consumption.

提高发电厂的指示热效率可以显著减少燃料消耗。

3.A higher indicated thermal efficiency indicates that an engine is using its fuel more effectively.

更高的指示热效率表明发动机正在更有效地利用其燃料。

4.Engineers often use simulations to predict the indicated thermal efficiency of new designs before physical testing.

工程师们通常使用模拟来预测新设计的指示热效率，然后再进行实际测试。

5.The research focused on enhancing the indicated thermal efficiency of internal combustion engines.

研究集中在提高内燃机的指示热效率上。

作文

Understanding the concept of indicated thermal efficiency is crucial for anyone involved in the fields of thermodynamics and engineering. This term refers to the measure of how effectively a heat engine converts the energy stored in fuel into useful work. In simpler terms, it represents the efficiency of the engine based on the pressure and temperature conditions within the combustion chamber, without accounting for losses due to friction, heat dissipation, and other factors. The indicated thermal efficiency (指示热效率) can be calculated using the formula: \[ \eta_{ind} = \frac{W_{ind}}{Q_{in}} \] where \( W_{ind} \) is the indicated work output and \( Q_{in} \) is the heat input from the fuel. This efficiency is particularly important because it gives engineers insights into how well an engine is performing under ideal conditions. For instance, in the design of internal combustion engines, maximizing the indicated thermal efficiency (指示热效率) is a primary goal. Engineers analyze various factors such as the compression ratio, fuel type, and combustion process to improve this efficiency. A higher indicated thermal efficiency (指示热效率) indicates that more of the fuel's energy is being converted into mechanical energy, which translates into better performance and lower fuel consumption. Moreover, understanding indicated thermal efficiency (指示热效率) helps in assessing the environmental impact of engines. Engines with higher thermal efficiency produce less exhaust emissions per unit of power generated, contributing to a reduction in pollution and greenhouse gas emissions. As society moves towards more sustainable energy solutions, the significance of improving indicated thermal efficiency (指示热效率) cannot be overstated. In addition, the concept of indicated thermal efficiency (指示热效率) is not limited to traditional combustion engines. It also applies to other energy conversion systems such as steam turbines, gas turbines, and even renewable energy technologies like biomass and waste-to-energy plants. Each of these systems has its unique characteristics, but the fundamental principle of maximizing thermal efficiency remains the same. In conclusion, the term indicated thermal efficiency (指示热效率) is a vital metric in evaluating the performance of heat engines and other energy systems. By understanding and optimizing this efficiency, engineers can develop more effective, environmentally friendly, and economically viable energy solutions. As technology continues to evolve, the pursuit of higher indicated thermal efficiency (指示热效率) will play a key role in shaping the future of energy production and consumption. Therefore, it is essential for students and professionals in the field to grasp this concept thoroughly and apply it to their work.

理解指示热效率这一概念对于任何参与热力学和工程领域的人来说都是至关重要的。该术语是指热机将燃料中储存的能量转化为有用功的有效性度量。简单来说，它表示发动机在燃烧室内的压力和温度条件下的效率，而不考虑由于摩擦、热散失和其他因素造成的损失。指示热效率可以使用以下公式计算：\[ \eta_{ind} = \frac{W_{ind}}{Q_{in}} \]其中\( W_{ind} \)是指示功输出，\( Q_{in} \)是来自燃料的热输入。这个效率特别重要，因为它为工程师提供了关于发动机在理想条件下表现的洞见。例如，在内燃机的设计中，最大化指示热效率是一个主要目标。工程师分析各种因素，如压缩比、燃料类型和燃烧过程，以提高这种效率。更高的指示热效率意味着更多的燃料能量被转化为机械能，这转化为更好的性能和更低的燃料消耗。此外，理解指示热效率有助于评估发动机的环境影响。具有较高热效率的发动机每单位发电产生的废气排放更少，有助于减少污染和温室气体排放。随着社会朝着更可持续的能源解决方案迈进，提高指示热效率的重要性不容小觑。此外，指示热效率的概念不仅限于传统的内燃机。它还适用于其他能量转换系统，例如蒸汽涡轮、燃气涡轮，甚至生物质和垃圾发电等可再生能源技术。这些系统各有其独特特征，但最大化热效率的基本原则始终相同。总之，指示热效率是评估热机和其他能源系统性能的重要指标。通过理解和优化这一效率，工程师能够开发出更有效、环保和经济可行的能源解决方案。随着技术的不断发展，追求更高的指示热效率将在塑造未来能源生产和消费方面发挥关键作用。因此，学生和专业人士在该领域必须彻底掌握这一概念，并将其应用于工作中。