Skip to Main Content
In Table 1, the maximum allowable pressure is considered with respect to pipe wall thickness and the minimum allowable is selected as water vapor pressure for cavitation prevention. The upstream end of the pipeline is located at the height of 115.6 m and its downstream at the height of 22.3 m of sea level. This pipeline passes through desert and agricultural areas parallel to the Kahrkheh River and there is no accessible asphalt road along its path. Two servicing and maintenance stations are located at the beginning and end of the pipeline. Accessibility to the power source is also limited. Security in agricultural areas is good, but in the desert area it is not appropriate. Since the pipe approaches the river at some points, the maintenance and servicing of protection devices of water hammer in some areas could create environmental problems. To perform water hammer analysis and predict the positions for locating protective equipment, the pipeline has been divided into 64 sections concerning ground profile, such that, first the pipe connections are at the slope change points, and second, the pipe lengths do not exceed 2,000 m for better protection of the pipeline in the uniform slope. Table 2 presents the lengths of 64 pipes constituting the pipeline and Figure 7 shows this division in system plan. The connection points of these sections for locating equipment such as air-chambers or air-inlet valves is predicted. Moreover, in Figure 7, the situation of the access road, the power station and service centers, the relative status of the environmental index, and general security of all connection points of pipe are shown.
Table 2

Length of pipes in system

Pipe #123456789101112131415
Length (m) 150 2,000.09 2,000.08 2,000.01 2,808.93 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,850 2,000.01 
Pipe # 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 
Length (m) 2,000.01 2,000.02 1,213.67 2,000.01 2,000 2,000 2,000.05 2,000.05 1,696.86 2,000.07 1,999.87 2,000.21 2,000 2,000 2,000 
Pipe # 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 
Length (m) 2,083.88 2,000.03 2,000.02 2,000.03 2,000.02 1,317.12 2,000.05 2,000 2,000 2,000.04 2,000 2,000.05 2,000 2,000 2,000 
Pipe # 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 
Length (m) 2,000 2,072.78 2,000 2,000 2,000 2,000 2,000 2,819.41 2,000 2,000 2,000 2,000 2,000 2,000 2,000 
Pipe # 61 62 63 64            
Length (m) 2,015.33 2,000 2,000 2,244.13            
Pipe #123456789101112131415
Length (m) 150 2,000.09 2,000.08 2,000.01 2,808.93 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,850 2,000.01 
Pipe # 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 
Length (m) 2,000.01 2,000.02 1,213.67 2,000.01 2,000 2,000 2,000.05 2,000.05 1,696.86 2,000.07 1,999.87 2,000.21 2,000 2,000 2,000 
Pipe # 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 
Length (m) 2,083.88 2,000.03 2,000.02 2,000.03 2,000.02 1,317.12 2,000.05 2,000 2,000 2,000.04 2,000 2,000.05 2,000 2,000 2,000 
Pipe # 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 
Length (m) 2,000 2,072.78 2,000 2,000 2,000 2,000 2,000 2,819.41 2,000 2,000 2,000 2,000 2,000 2,000 2,000 
Pipe # 61 62 63 64            
Length (m) 2,015.33 2,000 2,000 2,244.13            
Figure 7

The division of the pipeline and the status of serviceability indexes in the pipeline.

Figure 7

The division of the pipeline and the status of serviceability indexes in the pipeline.

Close Modal

or Create an Account

Close Modal
Close Modal