Building ventilation has three basic elements: ventilation rate — the amount of outdoor air that is provided into the space, and the quality of the outdoor air (see Annex D); airflow direction — the overall airflow direction in a building, which should be from clean zones to dirty zones; and. Ventilation is the intentional introduction of outdoor air into a space and is mainly used to . These techniques include: building layout, facade construction, and . There are three types of natural ventilation occurring in buildings: wind driven . at different types of mining methods and their corresponding ventilation layout. Fig.3 and Fig. 4 shows the layout of ventilation in advancing longwall and. Practical Mine Ventilation Engineering to be Published by Intertec Puslishing Co. There also have been other type of layouts to accommodate specific . Mar 16, 2015 - All of the fans, vents, and ventilation equipment in a home work together as a 'ventilation system' to exchange indoor and outdoor air without wasting energy. Ventilation systems can be categorized as one of four types: exhaust, supply, balanced, and heat-recovery. design and performance issues of the three main types of ventilation: . the correct design of windows and mechanical ventilation systems. . See diagram. Facilitating convective currents in two-storey or mezzanine-type units by including . Design internal layouts to promote natural ventilation by minimising . Oct 9, 2015 - Mechanical ventilation has many advantages over conventional . works will depend on the type of the openings and the layout of the building. Objectives. To introduce the basic terms; To discuss heat control; To design ventilation systems . Types Of Industrial Ventilation Systems. Supply systems.