建筑环境设计模拟分析软件DeST第8讲自然通风与机械通风系统的联合模拟分析

建筑通风对建筑环境的影响是直接而迅速的，因此对建筑热环境的模拟必须解决建筑通风的模拟问题。建筑的通风包括自然通风和机械通风，二者本质相同并且经常是同时发生的，计算时应该一起考虑，而不是分离开来。详细介绍了建筑热环境模拟软件DeST中根据多区域网络模型和管道流体网络模型发展出来的建筑通风的统一的网络模型，介绍其求解方法，并给出了建筑中常见的通风支路阻力模型，实现了建筑热环境和自然通风真正的耦合模拟。通过介绍几个利用通风模拟来分析解决设计中问题的实例，指出了建筑通风模拟的应用范围和实际意义。

Building environment design simulation software DeST(8):combined simulation of natural and mechanical ventilation

It is very important to understand the building ventilation conditions, because ventilation and infiltration affect building environment directly and instantly. Ventilation in buildings includes natural ventilation and mechanical ventilation. They are essentially the same and often occur at the same time, so need to be considered together instead of separately. Explicates the uniform network model and the solving method in the building simulation tool-DeST, which is developed from the multizone airflow network model and the pipe network model. Provides mathematical models for commonly used building components and achieves coupled simulation of natural ventilation and mechanical ventilation. Gives some case studies to illustrate how to solve the problems in designing building ventilation systems by DeST and indicates the significance of using simulation tools for ventilation design.