entrained air

简明释义

携入的空气

英英释义

例句

1.Testing for entrained air 夹带空气 content is a standard procedure in quality control for concrete.

检测夹带空气含量是混凝土质量控制的标准程序。

2.In the production of foamed concrete, controlling the level of entrained air 夹带空气 is crucial for achieving the desired density.

在泡沫混凝土的生产过程中，控制夹带空气的水平对于达到所需密度至关重要。

3.Excessive entrained air 夹带空气 can lead to structural weaknesses in the final product.

过多的夹带空气可能导致最终产品的结构弱点。

4.The concrete mix was tested for the amount of entrained air 夹带空气 to ensure it would withstand freeze-thaw cycles.

混凝土配合比经过测试以确定其夹带空气的含量，以确保能够承受冻融循环。

5.The engineer explained how entrained air 夹带空气 affects the workability of the concrete during mixing.

工程师解释了夹带空气如何影响混凝土在搅拌过程中的可操作性。

作文

In the field of fluid dynamics, the concept of entrained air refers to the air that is mixed into a liquid flow, often creating bubbles or foam. This phenomenon can be observed in various natural and industrial processes, such as the mixing of water and air in rivers, lakes, and even in the operation of certain machinery. Understanding how entrained air behaves is crucial for engineers and scientists alike, as it can significantly affect the efficiency and performance of systems that rely on fluid movement.For instance, when water flows over a waterfall, it can trap air within the cascading water, resulting in a mixture of water and entrained air. This not only alters the physical properties of the water but also influences the ecosystem in the area. Fish and other aquatic organisms benefit from the oxygen that is introduced into the water due to the entrained air, which enhances their survival rates. Therefore, studying the effects of entrained air in natural water bodies is essential for environmental conservation efforts.In industrial applications, entrained air can pose challenges. For example, in concrete production, excessive entrained air can weaken the final product. Concrete that contains too much air can lead to reduced strength and durability, making it less suitable for construction purposes. Engineers must carefully monitor the amount of entrained air in concrete mixtures to ensure that the structural integrity is maintained. This highlights the importance of controlling entrained air levels during the mixing process.Another area where entrained air plays a significant role is in the design of hydraulic systems. In pumps and turbines, the presence of entrained air can lead to cavitation, a phenomenon where vapor bubbles form and collapse, causing damage to the equipment. To prevent this, engineers must design systems that minimize the introduction of entrained air into the fluid being pumped. This requires a thorough understanding of the fluid's behavior and the conditions under which entrained air might form.Moreover, the study of entrained air extends beyond engineering and environmental science. It also has applications in the culinary world. For example, when making whipped cream or meringue, chefs intentionally introduce entrained air into the mixture to achieve a light and fluffy texture. The incorporation of air is what gives these culinary delights their unique characteristics. Understanding the science behind entrained air allows chefs to perfect their techniques and create better dishes.In conclusion, entrained air is a multifaceted concept that impacts various fields, from environmental science to engineering and even culinary arts. By understanding how entrained air interacts with liquids, we can improve our approaches to conservation, construction, and cooking. As research continues, the insights gained from studying entrained air will undoubtedly lead to innovations and improvements in many areas of our lives.

在流体动力学领域，短语entrained air指的是混合在液体流动中的空气，通常会形成气泡或泡沫。这种现象可以在各种自然和工业过程中观察到，例如河流、湖泊中水与空气的混合，甚至在某些机械的操作中。理解entrained air的行为对于工程师和科学家来说至关重要，因为它会显著影响依赖流体运动的系统的效率和性能。例如，当水流过瀑布时，它可以将空气困在倾泻的水中，从而形成水和entrained air的混合物。这不仅改变了水的物理特性，还影响了该地区的生态系统。鱼类和其他水生生物从由于entrained air引入水中的氧气中受益，这增强了它们的生存率。因此，研究自然水体中entrained air的影响对于环境保护工作至关重要。在工业应用中，entrained air可能带来挑战。例如，在混凝土生产中，过多的entrained air会削弱最终产品。含有过多空气的混凝土可能导致强度和耐久性降低，使其不适合建筑用途。工程师必须仔细监控混凝土混合物中的entrained air量，以确保结构完整性得以保持。这突显了在混合过程中控制entrained air水平的重要性。entrained air发挥重要作用的另一个领域是液压系统的设计。在泵和涡轮中，entrained air的存在可能导致气蚀现象，即气泡形成和崩溃，给设备造成损害。为了防止这种情况，工程师必须设计出最小化流体中entrained air引入的系统。这需要对流体行为及其可能形成entrained air的条件有透彻的理解。此外，entrained air的研究不仅限于工程和环境科学。它在烹饪界也有应用。例如，在制作鲜奶油或蛋白霜时，厨师故意将entrained air引入混合物中，以达到轻盈蓬松的质地。空气的加入正是赋予这些美食独特特性的原因。理解entrained air背后的科学使厨师能够完善他们的技巧，创造出更好的菜肴。总之，entrained air是一个多面向的概念，影响着多个领域，从环境科学到工程学，甚至到烹饪艺术。通过了解entrained air与液体的相互作用，我们可以改善对保护、建设和烹饪的方式。随着研究的不断深入，研究entrained air所获得的见解无疑会在我们生活的许多领域带来创新和改进。