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室内通风设计有哪些方法？

室内通风设计有哪些方法？

浏览：34次 | 提问时间： 08-06 05:40

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败给我以为 08-06 05:40

进气和排气的管道联通两种气孔设置的还可以的，只是没有加风机，形不成主动排风、主动进气另外还有：如果是空房子，这样做是可以的，但是还要看这房间做什么用（用途不同，所需的换气量不同），家具摆放位置等，位置不同，风口位置也有不同的

是梦别喊疼想赢别喊停 08-06 05:49

自然通风的主要形式分为：单侧通风、穿堂风、热压通风等。1)单侧通风的开口在*房间的同一侧，另一侧是关闭的门，它是自然通风中最简单的一种形式，局限于房间的通风。空气的交换是通过风的湍流、外部的洞口和外部气流的相互作用来完成的。因此，单侧式局部通风的驱动力小，而且变化大。2)穿堂风在*装修设计中主要指当空气从房间一侧开口进入，从另一侧开口流出时形成的风。穿堂风取决于设计相对面开口是否充分打开，进气窗和出气窗之间的风压差大小，*房屋内部空气流动阻力大小。房屋在通风方向的进深不能太大，一般最大有效进深大约为层高的5倍。此时驱动力主要是风压，但只要在进风口和出风口间有明显的高差，热压也有较明显的作用。大进深*的通风效果受内部隔断和障碍物的影响，阻碍气流的运动。*装修设计在越长、越高，进深越小，其背风面产生的涡流区越大，流场越紊乱，对减少风速、风压有利。设计的迎风面产生正压，侧面产生负压，背面产生涡流，有气压差存在就会产生空气流动，根据地区的主导风向设计合理的间距，为设计组织良好的自然通风提供了可行性。开口的*装修设计对自然通风的利用也很重要。自然通风通过*的开口流入或者流出，则*开口的优化配置以及开口的尺寸、窗户的形式和开启方式、窗墙面积比等的合理设计，直接影响着*内部的空气流动以及通风效果。开口的大小、开口的开启方式、开口的相对位置都会对自然通风造成影响。3)热压通风指利用烟囱效应产生的通风。烟囱效应是烟囱内的空气被加热，温度高于外界温度，用室外的冷空气代替原来的热空气。而反烟囱效应是从室外吸入热空气，与烟囱内的冷空气交换，通常应用在炎热地区无风的早晨。烟囱越高，顶部与底部之间的温度、压力差越大，顶部通风口周围的空气速度就越大，这就增大了烟囱内空气的流动速度。利用热压通风的*装修设计方法有拔风烟囱和双层围护结构两种办法。拔风烟囱的主要功能是为了通风，尺寸大小仅为了迎合压降的需要。烟囱可以作为采光井、太阳吸收器等。烟囱可以是一个单独的烟囱，也可以是围绕*的几个小烟囱。如果*朝向繁华的街道，则可以把人风口放置在远离噪声和污染源的地方，而把烟囱放置在靠近街道侧。太阳烟囱是吸收太阳的热来增强热压。通常使太阳烟囱外表面(结合玻璃成分)位于*向阳面，这样易于得到太阳辐射产生自然对流，使空气从*内流人烟囱底部，而由烟囱顶部排出，外界空气进入*中替换滞留的空气。为了用风压来加强烟囱效应，烟囱的出口应位于负压区，这样可以避免产生倒灌气流。双层围护结构的热压通风法对于高层*比较有效。高层*直接开窗通风容易造成紊流，不易控制，可以利用两层玻璃作为围护结构，玻璃之间留有一定宽度的通风道并配有可调节的百叶。冬季，双层玻璃之间形成阳光温室，增加了*内表面的温度，有利于节约采暖。夏季，中午利用烟囱效应对通风道进行通风，使玻璃之间的热空气不断被排走，达到降温的目的；早晨利用反烟囱效应，使室内获得舒适的空气流动。对于自然通风可能引起采暖负荷增加，可利用太阳能预热系统来对进入*的新风进行预热，必要情况下，在冬季采用带有热回收装置的机械通风系统；对于自然通风可能引起的夏季过热，应当根据*所处的气候区域，选择最适宜的被动式降温方式，在炎热干燥的地区，*内应布置足够的蓄热材料，并在夜间充分冷却，白天室外气温高于室内气温时，关闭窗户，防止热气进入。对于自然通风可能引起的房间内风速过大、冬季室内温度过低、室外被污染的空气进入室内等情况，考虑采用相应类型的通风器(进气口)或新型窗体(如双层幕墙)。目前，国际上具有不同控制功能的通风器类型主要包括：压力控制通风器、湿度控制通风器、污染控制通风器和温度控制通风器；对于自然通风可能在无风天气中的通风不足，可以通过吊扇等机械设备作为自然通风的补充；对于因*装修设计材料不足而降低被动式降温的效果的可能，通风口面积要达到地板面积的一定比率，同时需要有足够蓄热材料，否则*就无法在白天成为热库。

àá 08-06 05:57

室内通风对于排走卫生间的湿气和浊气是非常重要的，当然最好的通风方式是开窗对流，但很多卫生间都没有窗户，这就要靠排风扇了。排风扇要根据卫生间大小选择合适的功率，特别要选择电机工作声音小的。如果在卫生间泡澡，那么就应该选择更大功率的排风扇。另外，要使排风扇工作效果更好，就应该给卫生间留好进气口，大家知道使用排风扇的大多时候，卫生间的门是需要关闭的，如果卫生间的门密闭的非常严，那么排气的时候，没有太大空气能进入室内，排气效果会大打折扣，所以把卫生间门设计为带百叶的会更有利于卫生间排气扇的工作。

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