第五章 孔口管嘴 管路流动 §5.1 孔口自由出流 §5.2 孔口淹没出流 §5.3 管嘴出流 5.4 简单回路 5.5 管路的串连与并联 5.6 管网计算基础 - PowerPoint PPT Presentation

5 1 5 2 5 3 5 4 5 5 5 6 5 7
Download
1 / 16

  • 74 Views
  • Uploaded on
  • Presentation posted in: General

第五章 孔口管嘴 管路流动 §5.1 孔口自由出流 §5.2 孔口淹没出流 §5.3 管嘴出流 5.4 简单回路 5.5 管路的串连与并联 5.6 管网计算基础 5.7 有压管中的水击. 在容器侧壁或底壁上开一孔口,容器中的液体自孔口出流到大气中,称为孔口自由出流。如图,在容器侧壁开一孔口, 容器中的液体自孔口出流到大气, 不远处有收缩现象产生,过流断面面积为 A c 处面积最小,这个最小断面称为收缩断面 c ,。. §5.1 孔口自由出流. 令收缩系数 列断面 1 和收缩断面 c 的能量方程有 式中:

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

Download Presentation

第五章 孔口管嘴 管路流动 §5.1 孔口自由出流 §5.2 孔口淹没出流 §5.3 管嘴出流 5.4 简单回路 5.5 管路的串连与并联 5.6 管网计算基础

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


5 1 5 2 5 3 5 4 5 5 5 6 5 7

5.1

5.2

5.3

5.4

5.5

5.6

5.7


5 1 5 2 5 3 5 4 5 5 5 6

Acc

5.1


5 1 5 2 5 3 5 4 5 5 5 6

1c


5 1 5 2 5 3 5 4 5 5 5 6

5.2

12

12

1c

c2


5 1 5 2 5 3 5 4 5 5 5 6

3

dt

dHdt


5 1 5 2 5 3 5 4 5 5 5 6

H1H2t


5 1 5 2 5 3 5 4 5 5 5 6

5.3

abc de


5 1 5 2 5 3 5 4 5 5 5 6

5.4

1122


5 1 5 2 5 3 5 4 5 5 5 6

Sp,SH


5 1 5 2 5 3 5 4 5 5 5 6

5.5

1


5 1 5 2 5 3 5 4 5 5 5 6

2


5 1 5 2 5 3 5 4 5 5 5 6

5.6


5 1 5 2 5 3 5 4 5 5 5 6

5.7

1

2

3

4

cL


5 1 5 2 5 3 5 4 5 5 5 6


5 1 5 2 5 3 5 4 5 5 5 6

vc

K E

e d


5 1 5 2 5 3 5 4 5 5 5 6


  • Login