Modified the code

1 files changed, 0 insertions, 49 deletions

diff --git a/806/CH7/EX7.2/72.txt b/806/CH7/EX7.2/72.txt
deleted file mode 100644
index 29bb09e63..000000000
--- a/806/CH7/EX7.2/72.txt
+++ /dev/null
@@ -1,49 +0,0 @@
- 

- Dredging operations in a river yield la 

-      rge volumes of sediments whose sma 

-      llest particle is measured to be c 

-      oarse sand with a diameter of 4 mi 

-      crons and whose largest particle i 

-      s coarse sand with a diameter of 1 

-      000 microns or 1mm.determine the s 

-      ettling velocity for each size cla 

-      ss.Gw=9764 N/m^3;Ssand=2.65;Sclay= 

-      1.6;and the viscosity at 30 degree 

-       celsius is 0.8*10D-3 N.s/m^2      

- 

- Solution:   

- 

- (i)For clay particles:   

- 

- Assuming reynolds number less than 1   

- 

- R1=   

- 

-    3.255D-08  

- 

- Since reynolds number is less than 1,he 

-      nce                                

- 

- Settling velocity for clay particles   

- 

-    0.0000065  

- 

- m/s   

- 

- (ii)For sand particles:   

- 

- Assuming reynolds number greater than 1 

-       and equal to 220 Cd=0.7           

- 

- R2   

- 

-    219.41569  

- 

- Since the reynolds number is greater th 

-      an 1                               

- 

- Hence the settling velovity =   

- 

-    0.1755325  

- 

- m/s