air change rate

简明释义

换气率

英英释义

例句

1.The building code requires a minimum air change rate 空气更换率 for residential homes to ensure adequate ventilation.

建筑规范要求住宅的最低空气更换率 空气更换率 以确保通风充足。

2.The recommended air change rate 空气更换率 for a hospital operating room is typically between 15 to 25 changes per hour.

医院手术室推荐的空气更换率 空气更换率 通常在每小时15到25次之间。

3.A high air change rate 空气更换率 can help reduce the concentration of airborne pollutants in a classroom.

高空气更换率 空气更换率 可以帮助降低教室内空气污染物的浓度。

4.To ensure good indoor air quality, the air change rate 空气更换率 should be monitored regularly in commercial buildings.

为了确保良好的室内空气质量，商业建筑中的空气更换率 空气更换率 应定期监测。

5.In industrial settings, a higher air change rate 空气更换率 is often necessary to manage chemical fumes and dust.

在工业环境中，通常需要更高的空气更换率 空气更换率 来管理化学烟雾和灰尘。

作文

The concept of air change rate refers to the number of times the air within a defined space is replaced with fresh air over a specific period. This measurement is crucial in various settings, including residential homes, commercial buildings, and industrial environments. Understanding and optimizing the air change rate can significantly impact indoor air quality, energy efficiency, and overall comfort levels for occupants.In residential settings, the air change rate plays a vital role in maintaining a healthy living environment. Poor ventilation can lead to the accumulation of indoor pollutants, such as carbon dioxide, volatile organic compounds (VOCs), and allergens. When the air change rate is insufficient, these contaminants can reach levels that may pose health risks to residents. For instance, studies have shown that homes with low air change rates tend to have higher incidences of respiratory issues among occupants. Therefore, it is essential for homeowners to assess their ventilation systems and ensure an adequate air change rate to promote better air quality.In commercial buildings, the air change rate is equally important, especially in spaces where large groups of people gather, such as offices, schools, and hospitals. The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) recommends specific air change rates for different types of buildings to ensure adequate ventilation. For example, healthcare facilities often require higher air change rates to minimize the risk of airborne infections. By adhering to these guidelines, building managers can create safer environments for employees and visitors alike.Moreover, the air change rate has implications for energy consumption. Increasing the air change rate typically means using more energy to heat or cool incoming fresh air. Consequently, building designers and engineers must strike a balance between sufficient ventilation and energy efficiency. Advanced HVAC (Heating, Ventilation, and Air Conditioning) systems now incorporate technologies that allow for controlled air change rates, optimizing both air quality and energy use.In industrial settings, the air change rate becomes even more critical due to the presence of hazardous materials and processes. Factories and laboratories often have specific ventilation requirements to protect workers from exposure to harmful substances. Implementing proper ventilation strategies that achieve the desired air change rate can prevent accidents and ensure compliance with safety regulations.To summarize, the air change rate is a fundamental aspect of indoor air quality management across various environments. It influences health, safety, and energy efficiency, making it essential for architects, engineers, and facility managers to understand and optimize this parameter. By prioritizing the air change rate, we can create healthier and more comfortable spaces for everyone. Whether in homes, offices, or industrial sites, maintaining an appropriate air change rate should be a key consideration in any building design or renovation project.

空气更换率（air change rate）的概念是指在特定时间内，某一定义空间内的空气被新鲜空气替换的次数。这个测量在各种场合中都是至关重要的，包括住宅、商业建筑和工业环境。理解和优化air change rate可以显著影响室内空气质量、能源效率以及居住者的整体舒适度。在住宅环境中，air change rate在维持健康生活环境方面发挥着重要作用。通风不良可能导致室内污染物的积累，例如二氧化碳、挥发性有机化合物（VOCs）和过敏原。当air change rate不足时，这些污染物的浓度可能达到对居民构成健康风险的水平。例如，研究表明，低air change rates的家庭中，居民的呼吸问题发生率往往较高。因此，房主必须评估其通风系统，确保有足够的air change rate以促进更好的空气质量。在商业建筑中，air change rate同样重要，尤其是在人员聚集较多的空间，如办公室、学校和医院。美国供暖、制冷和空调工程师学会（ASHRAE）建议针对不同类型建筑的特定air change rates以确保通风充足。例如，医疗设施通常需要更高的air change rates以减少空气传播感染的风险。通过遵循这些指南，建筑管理者可以为员工和访客创造更安全的环境。此外，air change rate还与能源消耗有关。提高air change rate通常意味着需要更多的能量来加热或冷却进入的新鲜空气。因此，建筑设计师和工程师必须在足够通风和能源效率之间找到平衡。先进的HVAC（供暖、通风和空调）系统现在采用技术，允许控制的air change rates，从而优化空气质量和能源使用。在工业环境中，air change rate变得更加关键，因为存在危险材料和过程。工厂和实验室通常有特定的通风要求，以保护工人免受有害物质的暴露。实施适当的通风策略以实现所需的air change rate可以防止事故发生，并确保符合安全规定。总之，air change rate是各类环境中室内空气质量管理的基本方面。它影响健康、安全和能源效率，因此建筑师、工程师和设施管理者必须理解并优化这一参数。通过优先考虑air change rate，我们可以为每个人创造更健康、更舒适的空间。无论是在家中、办公室还是工业场所，保持适当的air change rate应该是任何建筑设计或翻新项目中的关键考虑因素。