vapour transmission

简明释义

蒸汽传递

英英释义

例句

1.The insulation material was tested for its vapour transmission rate.

该绝缘材料的蒸汽传输速率进行了测试。

2.Understanding vapour transmission is crucial for designing energy-efficient buildings.

理解蒸汽传输对于设计节能建筑至关重要。

3.High levels of vapour transmission can lead to moisture accumulation in walls.

高水平的蒸汽传输可能导致墙壁内的湿气积聚。

4.The architect specified materials with low vapour transmission properties.

建筑师指定了具有低蒸汽传输特性的材料。

5.The study focused on the effects of vapour transmission in building materials.

这项研究集中于建筑材料中的蒸汽传输效应。

作文

In the realm of environmental science and engineering, understanding the concept of vapour transmission is crucial for various applications. Vapour transmission refers to the movement of water vapour through materials, which can significantly impact building performance, moisture control, and overall indoor air quality. This phenomenon occurs when water vapour migrates from areas of high concentration to areas of low concentration, driven by the principles of diffusion and permeation.To illustrate the importance of vapour transmission, consider the construction of a building. When materials such as walls, roofs, and floors are used, they must be selected with care to manage the flow of moisture effectively. If the materials are too permeable, excessive moisture can enter the building envelope, leading to problems such as mould growth, structural damage, and decreased energy efficiency. On the other hand, if the materials are too impermeable, moisture trapped within the building can cause condensation and related issues.One common example of vapour transmission in practice is the use of vapour barriers in construction. Vapour barriers are materials that resist the passage of water vapour, typically installed on the warm side of insulation in colder climates. By preventing moisture from entering the insulation layer, these barriers help maintain the effectiveness of the insulation and reduce the risk of condensation forming within the walls. However, it is essential to ensure that these barriers are properly installed and maintained; otherwise, they can lead to unintended consequences, such as trapping moisture and creating an environment conducive to mould growth.The study of vapour transmission is not limited to building construction; it also plays a significant role in agriculture, food preservation, and even packaging materials. For instance, in agriculture, managing vapour transmission can help optimize irrigation practices by reducing water loss through evaporation. In food preservation, understanding how moisture moves through packaging can help extend shelf life and maintain product quality.Moreover, advancements in technology have led to the development of innovative materials that can control vapour transmission more effectively. Smart membranes, for example, can adjust their permeability based on environmental conditions, allowing for dynamic moisture management in buildings and other applications. These materials represent a significant step forward in our ability to harness the principles of vapour transmission for improved performance and sustainability.In conclusion, vapour transmission is a fundamental concept that affects many aspects of our built environment and beyond. Understanding its principles and implications can lead to better design choices, enhanced energy efficiency, and improved health outcomes for occupants. As we continue to explore and innovate in this field, the role of vapour transmission will undoubtedly remain a critical consideration for engineers, architects, and environmental scientists alike.

在环境科学和工程领域，理解蒸汽传输的概念对于各种应用至关重要。蒸汽传输是指水蒸气通过材料的移动，这会显著影响建筑性能、湿气控制和整体室内空气质量。这一现象发生在水蒸气从高浓度区域迁移到低浓度区域，受扩散和渗透原理的驱动。为了说明蒸汽传输的重要性，考虑一下建筑的施工。当使用墙壁、屋顶和地板等材料时，必须谨慎选择它们，以有效管理水分的流动。如果材料过于可渗透，过量的水分可能会进入建筑围护结构，导致霉菌生长、结构损坏和能效降低等问题。另一方面，如果材料过于不透水，困在建筑内部的水分可能会导致凝结及相关问题。蒸汽传输的一个常见示例是建筑中使用的蒸汽障碍物。蒸汽障碍物是抵抗水蒸气通过的材料，通常在寒冷气候中安装在绝缘材料的温暖侧。通过防止水分进入绝缘层，这些障碍物有助于保持绝缘的有效性，并减少在墙壁内形成凝结的风险。然而，确保这些障碍物正确安装和维护至关重要；否则，它们可能导致意想不到的后果，例如困住水分并创造有利于霉菌生长的环境。对蒸汽传输的研究不仅限于建筑施工；它在农业、食品保存甚至包装材料中也发挥着重要作用。例如，在农业中，管理蒸汽传输可以通过减少蒸发造成的水分损失来优化灌溉实践。在食品保存中，了解水分如何通过包装移动可以帮助延长保质期并保持产品质量。此外，技术的进步导致了能够更有效控制蒸汽传输的创新材料的发展。例如，智能膜可以根据环境条件调整其渗透性，从而在建筑和其他应用中实现动态湿气管理。这些材料代表了我们在利用蒸汽传输原理以改善性能和可持续性方面向前迈出的重要一步。总之，蒸汽传输是一个基本概念，影响着我们所建环境及其他许多方面。理解其原理和影响可以带来更好的设计选择、增强的能效和改善的居住者健康结果。随着我们在这一领域的不断探索和创新，蒸汽传输的作用无疑将继续成为工程师、建筑师和环境科学家等人关注的关键因素。