置换式通风房间室温分布的分类表达
Classified expression of temperature distribution in rooms with displacement ventilation
摘要：
置换通风及其衍生形式的发展，提供了改善室内环境及系统性能的可能性。这些性能的评价指标多基于实际的室温竖直分布。然而现有预测室温变化的经验模式又往往存在一些功能上的局限性，难以避免出现较大误差。提出了以特定的近似分析解作为基本分析架构的分类表达法，它有助于辨析室内存在不同类型热源分布及流率条件的室温分布问题。
Abstract：
The development of displacement ventilation and its derivative form provides probability to improve indoor environmental condition and system performance. Most of the indexes for evaluating the performance are based on real vertical temperature distribution. Yet the existing empirical models for temperature prediction usually have some limitations in function, so that it is difficult to avoid larger errors. Puts forward a classified expression method, taking specific approximate solutions as a basic analytical frame. The method is helpful to differentiate and analyse room temperature distribution problems with different kinds of heat sources distribution and flow rates.
Keywords:displacementventilation,roomtemperaturedistribution,heatsource,expression,airchanges