fresh air handling unit

Study of using fresh air for cooling clean rooms in winter;

洁净室冬季使用新风作为冷源的研究

Three stage filtration in fresh air handling for better IAQ;

改善室内空气品质的重要手段——新风过滤处理的新概念

Control strategies of fresh air for multi-zone VAV air conditioning systems;

多区域变风量空调系统的新风控制策略

This paper analyses the influence of the outdoor air volume,quality and treatment for indoor air quality,points out that the demand of saving energy should be concerned with acceptable indoor air quality which is based on thermal comfort,and also gives that the development trend of the HVAC is outdoor air pretreatment system and dedicated outdoor air system which attached with heat recovery.

分析了新风量、新风品质及新风处理对室内空气品质的影响,提出在热舒适基础上的可接受的室内空气品质必须考虑节能的需求,指出带热回收装置的新风预处理系统和独立新风系统是暖通空调系统的发展方向。

Analyses the relationship between indoor air quality and amount of outdoor air and the impact of outdoor air quantity on indoor air quality, based on the site measurement of indoor air quality and outdoor air at seven Grade A office buildings located in the downtown of Shanghai.

根据对上海市区 7幢甲级办公楼的室内空气品质和新风量的现场测试结果 ,试图分析办公楼的室内空气品质和新风量的关系 ,以及室外空气品质对室内空气品质的影响。

Presents the method for determining the outdoor air volume from ASHRAE Standard 62-1989R, commonly used methods for measuring and controlling the outdoor air, and employment of outdoor air.

介绍了ASHRAE标准关于变风量空调系统中新风量确定的方法 ,常用的新风量测量方法和控制方法以及新风的利用 ,探讨了测试中发现的新风量确定和新风品质等问题。

The high concentration of carbon dioxide and deficiency of air change flow will affect the student study and depress effectiveness of lecturing course.

新风量不足,呼吸产生的二氧化碳可造成教室内CO_2浓度严重超标,影响学生学习,降低课堂教学效果。

Indoor air change flow was determined by portable IR gas analyzer.

使用便携式红外线气体分析仪对室内新风量进行测定研究,仪器型号为GHX-3010E,示踪气体选取二氧化碳(CO_2)。

Presents the zoning of inner and peripheral zone,the determination of fresh air rate,and the design of water systems,smoke control and extraction systems,automatic control systems and adopted energy saving measures especially introducing outdoor air to inner zones to reduce temperature and delivering warm air from upper parts down to air conditioned area in the atrium.

介绍了空调系统内外区的划分,新风量的确定,以及空调水系统、防排烟系统和自控系统的设计和设计采用的节能措施,特别是冬季空调内区采用引入室外新风降温和将中庭上部的热风送至下部的节能措施。

Taking an office building example, presents in detail the system arrangement, determination of fresh air rate, air distribution and control method of VAV systems.

介绍了变风量系统的计算基础、节能效果 ,以一办公楼为例 ,详细介绍了变风量系统的系统设置、新风量确定、气流组织、控制方