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完结通风管道加工的阻力平衡的有效方法

发布人:http://xiaotianweb.com   发布时间:2024-03-06 17:28:22

一、要害词的界说

1、 Definition of Key Words

节点的编号规则.为了能依据各节点间的逻辑关系,便当地查寻风道体系的各个环路,咱们给各个节点一个数字编号,并对节点编号作如下假定:按风量递减方向对节点从小到大编号,或都说关于送风体系则节点编号沿气流方向递加

The numbering rules for nodes. In order to easily search for the various loops of the air duct system based on the logical relationship between each node, we give each node a numerical number and make the following assumption for node numbering: number nodes from small to large in the direction of decreasing air volume, or for air supply systems, node numbering increases along the direction of air flow

二、通风管道体系各环路的主动排序

快盈11v2、 Active sorting of each loop in the ventilation duct system

通风管道体系各环路的主动排序是完结阻力平衡主动核算的条件,也是本程序的要害进程之一.其进程实践上便是依照各环路的阻力丢掉巨细进行主动排序的进程.通过排序能够较好的处理如下两个问题:①能够依据排序效果直接选取体系的Z倒霉环路;②确实削减各环路阻力平衡时的重复核算

快盈11vThe active sorting of each loop in the ventilation duct system is a condition for achieving resistance balance and active calculation, and it is also one of the key processes of this program. In practice, the process is to actively sort the resistance of each loop according to its size. Sorting can effectively handle the following two problems: ① selecting the Z unlucky loop of the system directly based on the sorting effect; ② Indeed, reducing the redundant calculation of resistance balance in each loop

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体系各环路的主动排序的详细履行进程如下:①主动选取结尾节点;②依次搜索每一个结尾节点对应的环路途径并同步核算其阻力丢掉值;③按阻力丢掉值从大到小对一切环路进行摆放

The detailed implementation process of the active sorting of each loop in the system is as follows: ① Actively selecting the ending node; ② Search sequentially for the loop path corresponding to each ending node and synchronously calculate its resistance loss value; ③ Arrange all loops in descending order of resistance drop values

三、各环路的阻力平衡

快盈11v3、 Resistance balance of each loop

阻力平衡是整个风管规划进程中Z烦琐,也是Z要害的一步.在此选用按环路阻力值从大到小的次序依次对各环路进行平衡,并对业已进过平衡的管段不再进行调整,可较好的处理平衡进程中的重复核算问题.为了便于核算,咱们假设风管支路中需调整的各管段其调整前后阻力值份额坚持不变,而调整前后管径与阻力值之间的关系为

快盈11vResistance balance is a tedious and crucial step in the entire process of air duct planning. Here, we choose to balance each loop in descending order of resistance values, and no longer adjust the sections that have already been balanced, which can better handle the problem of repeated accounting in the balance process. For the sake of accounting, we assume that the resistance value share of each section in the air duct branch that needs to be adjusted remains unchanged before and after adjustment, The relationship between the diameter of the pipe before and after adjustment and the resistance value is

阻力平衡前后风管支路的管径;p、p:阻力平衡前后Z倒霉环路上对应风管支路的阻力值

快盈11vThe diameter of the air duct branch before and after resistance balance; p. P: Resistance value of the corresponding air duct branch on the Z unlucky loop before and after resistance balance

快盈11v阻力平衡主动核算时,将环路中现已调整的管段途径及阻力丢掉值除掉,并对未经调整的支路按式中对各管段核算出经阻力平衡后的管径d,由d核算出对应的速度v及管段阻力δ

When actively calculating resistance balance, the already adjusted pipeline routes and resistance drop values in the loop are removed, and for the unadjusted branch, the diameter d of each pipeline segment after resistance balance is calculated according to the formula, and the corresponding velocity v and pipeline resistance are calculated based on d δ

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