constant volume combustion

简明释义

定容燃烧

英英释义

例句

1.Understanding constant volume combustion 定容燃烧 is crucial for developing more efficient power plants.

理解定容燃烧 constant volume combustion 对于开发更高效的发电厂至关重要。

2.In a laboratory setting, scientists conducted experiments to measure the pressure changes during constant volume combustion 定容燃烧.

在实验室环境中，科学家们进行了实验，以测量在定容燃烧 constant volume combustion 过程中压力的变化。

3.The study revealed that constant volume combustion 定容燃烧 can lead to lower emissions in automotive applications.

研究表明，定容燃烧 constant volume combustion 可以在汽车应用中减少排放。

4.The research focused on the efficiency of engines using constant volume combustion 定容燃烧 to improve fuel economy.

这项研究集中于使用定容燃烧 constant volume combustion 的发动机效率，以提高燃油经济性。

5.The design of the new engine incorporates constant volume combustion 定容燃烧 principles for better performance.

新发动机的设计融入了定容燃烧 constant volume combustion 原理，以提高性能。

作文

In the field of thermodynamics and combustion engineering, the concept of constant volume combustion refers to a combustion process that occurs at a fixed volume. This phenomenon is significant in various applications, particularly in internal combustion engines and rocket propulsion systems. Understanding constant volume combustion is crucial for engineers and scientists who aim to optimize energy efficiency and performance in these systems.To grasp the importance of constant volume combustion, one must first understand how it contrasts with other combustion processes, such as constant pressure combustion. In constant pressure combustion, the fuel-air mixture expands as it burns, leading to a continuous increase in volume. This is typical in most automotive engines, where the combustion chamber allows for expansion. However, in constant volume combustion, the combustion chamber does not allow for any expansion, meaning that the pressure inside the chamber increases significantly during the combustion process.One of the primary advantages of constant volume combustion is the potential for higher thermal efficiency. When the combustion occurs in a confined space, the heat generated can be used more effectively to do work. This principle is often applied in certain types of engines, such as the ideal Otto cycle, which is a theoretical model for gasoline engines. In this cycle, the fuel-air mixture is compressed to a high pressure and temperature before ignition, leading to a rapid increase in pressure and temperature when combustion occurs at constant volume.Another significant aspect of constant volume combustion is its impact on emissions. By optimizing the combustion process to occur at a constant volume, it is possible to achieve more complete combustion of the fuel. This leads to lower emissions of unburned hydrocarbons and other pollutants, making it an attractive option for environmentally conscious engineering practices.Moreover, constant volume combustion is also relevant in the context of rocket engines. In these applications, the combustion chamber is designed to maintain a constant volume as the propellant burns. This allows for the efficient conversion of chemical energy into kinetic energy, which is essential for achieving the high thrust needed for space travel. The ability to control the combustion process precisely in a fixed volume can lead to improved performance and reliability of rocket systems.Despite its advantages, constant volume combustion is not without challenges. Achieving the necessary conditions for stable combustion at constant volume requires precise control of fuel injection, ignition timing, and air-fuel ratios. Any deviations from the ideal conditions can lead to incomplete combustion, increased emissions, or even engine knock, which can damage the engine.In conclusion, the concept of constant volume combustion plays a vital role in the advancement of combustion technology. Its potential for higher efficiency and reduced emissions makes it a key area of study for engineers and researchers. As we continue to seek more sustainable energy solutions, understanding and optimizing constant volume combustion will be essential in developing the next generation of high-performance engines and propulsion systems.

在热力学和燃烧工程领域，短语constant volume combustion指的是在固定体积下发生的燃烧过程。这一现象在各种应用中具有重要意义，特别是在内燃机和火箭推进系统中。理解constant volume combustion对工程师和科学家而言至关重要，因为他们旨在优化这些系统的能量效率和性能。要理解constant volume combustion的重要性，首先必须了解它与其他燃烧过程（如恒压燃烧）的区别。在恒压燃烧中，燃料-空气混合物在燃烧时膨胀，导致体积不断增加。这是大多数汽车发动机的典型特征，其中燃烧室允许膨胀。然而，在constant volume combustion中，燃烧室不允许任何膨胀，这意味着在燃烧过程中，室内压力显著增加。constant volume combustion的主要优点之一是其潜在的更高热效率。当燃烧发生在一个封闭的空间内时，产生的热量可以更有效地用于做功。这一原理常应用于某些类型的发动机，如理想的奥托循环，这是汽油发动机的理论模型。在这个循环中，燃料-空气混合物被压缩到高压和高温，然后点燃，导致在恒定体积下燃烧时压力和温度迅速上升。constant volume combustion的另一个重要方面是其对排放的影响。通过优化燃烧过程以在恒定体积下进行，可以实现更完全的燃料燃烧。这导致未燃烃和其他污染物的排放减少，使其成为环保工程实践的一个有吸引力的选择。此外，constant volume combustion在火箭发动机的背景下也很相关。在这些应用中，燃烧室设计为在推进剂燃烧时保持恒定体积。这允许化学能有效转化为动能，这对于实现太空旅行所需的高推力至关重要。精确控制固定体积下的燃烧过程可以提高火箭系统的性能和可靠性。尽管有其优点，constant volume combustion并非没有挑战。在恒定体积下实现稳定燃烧所需的条件需要精确控制燃料喷射、点火时机和空气-燃料比。任何偏离理想条件的情况都可能导致燃烧不完全、排放增加，甚至发动机爆震，这可能损坏发动机。总之，constant volume combustion的概念在燃烧技术的发展中发挥着重要作用。其更高效率和降低排放的潜力使其成为工程师和研究人员关注的关键领域。随着我们继续寻求更可持续的能源解决方案，理解和优化constant volume combustion将对开发下一代高性能发动机和推进系统至关重要。