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以某隔离病房通风空调工程为实例,建立了建筑通风网络模型,针对该工程涉及的所有角联风路进行了判定分析,并仿真模拟了该工程可调节风路阻抗值变化对角联风路风量的影响。结果表明,在隔离病房的通风网络模型中,门窗作为一个风路,通常满足角联风路的条件。通过对角联风路的分析,发现隔离病房空调风系统中风量的一些特点:门窗分支的阻抗变化与空调系统本身风量值无相关性,门窗两侧的压差主要受与之相连的空调风系统的风量的影响。
Taking a ventilation and air conditioning project of an isolated ward as an example, a building ventilation network model was established, and all the airfields involved in the project were judged and analyzed. The variation of the adjustable air path impedance of the project was simulated. The impact of air volume. The results show that in the ventilation network model of isolation wards, doors and windows as an air duct, usually meet the conditions of the air duct. Through the analysis of the diagonal air duct, we find some characteristics of the air volume in the air-conditioning air system of the isolation ward: the change of the impedance of the branch of the door and window has no correlation with the air volume of the air-conditioning system itself; the pressure difference between the two sides of the door and window is mainly affected by the air- The impact of the system’s air volume.