air penetrability

简明释义

1. 透气性; 2. 透气率;

英英释义

例句

1.Researchers are studying the air penetrability 空气渗透性 of different soil types to improve agricultural practices.

研究人员正在研究不同土壤类型的空气渗透性以改善农业实践。

2.The ventilation system was designed to maximize air penetrability 空气渗透性 while minimizing energy loss.

通风系统的设计旨在最大化空气渗透性，同时最小化能量损失。

3.In the construction industry, air penetrability 空气渗透性 is a critical factor in determining energy efficiency.

在建筑行业，空气渗透性是决定能源效率的关键因素。

4.The sportswear brand emphasized air penetrability 空气渗透性 in their marketing to attract athletes.

这家运动服品牌在营销中强调了空气渗透性以吸引运动员。

5.The design of the new fabric was tested for its air penetrability 空气渗透性 to ensure breathability during summer.

新面料的设计经过测试，确保在夏季具有良好的空气渗透性。

作文

In the realm of physics and engineering, the concept of air penetrability plays a crucial role in various applications. Air penetrability refers to the ability of air to pass through a material or medium, which can significantly impact the performance and efficiency of structures and devices. Understanding this property is essential for engineers and designers who aim to optimize airflow in systems such as HVAC (heating, ventilation, and air conditioning), aerodynamics in vehicles, and even in the design of sports equipment.One of the primary factors that influence air penetrability is the material's porosity. Porous materials, like certain types of fabrics or foams, allow air to flow through them more easily than non-porous materials, such as metals or plastics. This characteristic is particularly important in applications where breathability is desired, such as in outdoor clothing or insulation materials. For instance, a jacket designed for cold weather should have high air penetrability to allow moisture from sweat to escape while also providing warmth. Moreover, the shape and structure of an object can also affect its air penetrability. Streamlined designs, such as those used in aircraft and high-performance cars, are engineered to minimize air resistance, thereby enhancing their aerodynamic properties. The smoother the surface and the more optimal the shape, the less turbulent the airflow will be around the object. This is why engineers spend considerable time on wind tunnel testing to study how different designs interact with air, aiming to achieve the best possible air penetrability.In addition to practical applications, air penetrability has significant implications in environmental science. For example, understanding how air moves through different terrains can help in predicting the dispersion of pollutants in the atmosphere. Areas with low air penetrability, such as dense forests or urban environments with tall buildings, can trap air pollutants, leading to poor air quality. Conversely, open fields or bodies of water typically exhibit higher air penetrability, allowing for better air circulation and dilution of contaminants.Another interesting aspect of air penetrability is its relevance in architecture. Architects must consider how air flows through buildings to ensure proper ventilation and energy efficiency. For instance, the placement of windows and vents can greatly influence how air circulates within a space. Buildings designed with high air penetrability can maintain comfortable indoor climates without relying heavily on mechanical ventilation systems, thereby reducing energy consumption and promoting sustainability.Furthermore, the concept of air penetrability extends to the realm of sports science. Athletes often seek gear that enhances their performance by optimizing air penetrability. For example, cycling suits are designed to reduce drag and improve airflow around the cyclist's body, allowing for greater speed and efficiency. Similarly, the design of running shoes incorporates materials that provide both comfort and optimal air penetrability, helping to regulate temperature and moisture during intense physical activity.In conclusion, air penetrability is a multifaceted concept that impacts numerous fields, from engineering and environmental science to architecture and sports. By understanding and manipulating this property, professionals can create more efficient systems, improve environmental conditions, and enhance athletic performance. As technology advances, the exploration of air penetrability will undoubtedly continue to yield innovative solutions to complex challenges.

在物理学和工程学领域，空气渗透性的概念在各种应用中起着至关重要的作用。空气渗透性指的是空气通过某种材料或介质的能力，这可能会显著影响结构和设备的性能与效率。理解这一特性对于旨在优化系统气流的工程师和设计师至关重要，例如暖通空调（HVAC）、车辆的空气动力学，甚至运动器材的设计。影响空气渗透性的主要因素之一是材料的孔隙率。多孔材料，如某些类型的面料或泡沫，允许空气更容易地通过它们，而非多孔材料，如金属或塑料，则不然。这一特性在需要透气性的应用中尤为重要，例如户外服装或绝缘材料。例如，设计用于寒冷天气的夹克应该具有高空气渗透性，以便让汗水中的水分逸出，同时提供温暖。此外，物体的形状和结构也会影响其空气渗透性。流线型设计，如飞机和高性能汽车所采用的，旨在最小化空气阻力，从而增强其空气动力学特性。表面越光滑，形状越优化，物体周围的气流就越不易产生湍流。这就是为什么工程师花费大量时间进行风洞测试，以研究不同设计如何与空气相互作用，旨在实现最佳的空气渗透性。除了实际应用外，空气渗透性在环境科学中也具有重要意义。例如，了解空气如何穿过不同地形可以帮助预测污染物在大气中的扩散。低空气渗透性的区域，如密集的森林或高楼林立的城市环境，可能会困住空气污染物，导致空气质量差。相反，开放的田野或水体通常表现出较高的空气渗透性，允许更好的空气循环和污染物的稀释。空气渗透性的另一个有趣方面是其在建筑学中的相关性。建筑师必须考虑空气如何在建筑物内流动，以确保适当的通风和能效。例如，窗户和通风口的布置可以极大地影响空气在空间内的循环。设计具有高空气渗透性的建筑可以在不大量依赖机械通风系统的情况下维持舒适的室内气候，从而减少能源消耗，促进可持续发展。此外，空气渗透性的概念延伸到运动科学领域。运动员通常寻求通过优化空气渗透性来增强他们的表现。例如，骑行服的设计旨在减少阻力并改善空气在骑行者身体周围的流动，从而提高速度和效率。同样，跑鞋的设计结合了既舒适又提供最佳空气渗透性的材料，有助于在激烈的体育活动中调节温度和湿度。总之，空气渗透性是一个多方面的概念，影响着多个领域，从工程和环境科学到建筑和体育。通过理解和操控这一特性，专业人士能够创造更高效的系统、改善环境条件以及提升运动表现。随着技术的进步，空气渗透性的探索无疑将继续为复杂挑战提供创新解决方案。