室内空气品质(Indoor Air Quality简称IAQ)特指普遍存在室内的长期的低浓度污染,其浓度低于或仅略高于国家有关标准。近年来,在ASHAE62-1989R标准中,首次提出了可接受的室内空气品质(Acceptable indoor air quality)和感受到的可接受的...室内空气品质(Indoor Air Quality简称IAQ)特指普遍存在室内的长期的低浓度污染,其浓度低于或仅略高于国家有关标准。近年来,在ASHAE62-1989R标准中,首次提出了可接受的室内空气品质(Acceptable indoor air quality)和感受到的可接受的室内空气品质(Ac-ceptable perceived indoor air quality)等概念,人性化地定义了室内空气品质。随着物质生活水平的提高,人们越来越重视室内空气品质(IAQ),受众多因素的影响,导致室内空气品质不容乐观。近年来不断涌现新的空气净化技术,为改善室内空气品质带来福音。展开更多
文章分析了空调系统的污染对室内IAQ(Indoors Air Quality)的影响程度,指出随着其它污染源被控制,其影响将更加突出;分析了空调系统各部件污染的成因,以及这些污染对IAQ的影响。根据国内外相关文献,结合空调系统设计运行情况和工作实践...文章分析了空调系统的污染对室内IAQ(Indoors Air Quality)的影响程度,指出随着其它污染源被控制,其影响将更加突出;分析了空调系统各部件污染的成因,以及这些污染对IAQ的影响。根据国内外相关文献,结合空调系统设计运行情况和工作实践,提出防止空调系统污染的措施。展开更多
Besides the need for low-cost instruments for air pollution measurement and detection,nowadays there are many concerns about air pollution due to the fast changes and used technologies.This research was applied using ...Besides the need for low-cost instruments for air pollution measurement and detection,nowadays there are many concerns about air pollution due to the fast changes and used technologies.This research was applied using an MQ2 gas detector,and microcontroller/Arduino-Uno.The design steps included bonding and connecting readymade sensors,coding,and finally testing the device.Testing has been conducted in Environment and Pollution Engineering Department laboratories,at the Technical Engineering College of Kirkuk.This study proposed the use of an MQ2 sensor for multi-gas rate detection which can exist indoors.The system uses also a DHT22 sensor for measuring environment temperature and humidity.The sensors are connected to Arduino and LCD to present data on LCD by powering the system with external power.Overall,the testing was conducted,and the device served as a measuring tool for indoor air as an accurate multi-gas rate detector.展开更多
文摘室内空气品质(Indoor Air Quality简称IAQ)特指普遍存在室内的长期的低浓度污染,其浓度低于或仅略高于国家有关标准。近年来,在ASHAE62-1989R标准中,首次提出了可接受的室内空气品质(Acceptable indoor air quality)和感受到的可接受的室内空气品质(Ac-ceptable perceived indoor air quality)等概念,人性化地定义了室内空气品质。随着物质生活水平的提高,人们越来越重视室内空气品质(IAQ),受众多因素的影响,导致室内空气品质不容乐观。近年来不断涌现新的空气净化技术,为改善室内空气品质带来福音。
文摘Besides the need for low-cost instruments for air pollution measurement and detection,nowadays there are many concerns about air pollution due to the fast changes and used technologies.This research was applied using an MQ2 gas detector,and microcontroller/Arduino-Uno.The design steps included bonding and connecting readymade sensors,coding,and finally testing the device.Testing has been conducted in Environment and Pollution Engineering Department laboratories,at the Technical Engineering College of Kirkuk.This study proposed the use of an MQ2 sensor for multi-gas rate detection which can exist indoors.The system uses also a DHT22 sensor for measuring environment temperature and humidity.The sensors are connected to Arduino and LCD to present data on LCD by powering the system with external power.Overall,the testing was conducted,and the device served as a measuring tool for indoor air as an accurate multi-gas rate detector.
