مشروع تخرج بعنوان Flow Transient Analysis for Al Duhaish Pumping Station and the Conveing Pipeline to Al Doha reservoir Using Hammer Cad

مشروع تخرج بعنوان Flow Transient Analysis for Al Duhaish Pumping Station and the Conveing Pipeline to Al Doha reservoir Using Hammer Cad
اسم المؤلف
Mohammed Jomma Hamza Hraishat, Mustafa Dwekat
التاريخ
4 أغسطس 2021
المشاهدات
التقييم
(لا توجد تقييمات)
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مشروع تخرج بعنوان
Graduation Project
Title
Flow Transient Analysis for Al Duhaish Pumping Station and the Conveing Pipeline to Al Doha reservoir Using Hammer Cad
Project Team
Mohammed Jomma Hamza Hraishat
Mustafa Dwekat
Project Supervisor
Dr-Eng. Itissam Abuiziah
Hebron – Palestine
Palestine Polytechnic University
College of Engineering and Technology
Civil & Architecture Engineering Department
TAPLE OF CONTENTS
SUBJECT PAGE
TITLE II
CERTIFICATION III
DEDICATION IV
ACKNOWLEDGEMENT V
ABSTRACT VII
TAPLE OF CONTENTS VIII
LIST OF TABLES X
LIST OF FIGURES XI
CHAPTER 1 : INTRODUCTION 1
1.1 General 2
1.2 Problem Definition 4
1.3 Objectives of the Project 5
1.4 Methodology 5
1.5 Phases of the Project 5
CHAPTER 2 : “LITERATURE REVIEW” 7
2.1 Introduction to Transient Flow 8
2.2 History of Transient Analysis Methods 11
2.3 Physics of Transient Flow 13
2.4 Water Hammer Theory 13
2.5 Full Elastic Water Hammer Equations 15
2.6 Transient Control 16
2.7 Protection Devices 17
2.8 Method of Characteristics 21
CHAPTER 3 : “PROJECT AREA” 25
3.1 General 26
3.2 Location and Physical Characteristics 26
3.3 History 32
3.4 Religious and Archaeological Sites 33
3.5 Population 33
3.6 Agricultural Sector 35
3.7 Infrastructure and Natural Resources 37IX
CHAPTER 4 : Fieldwork and Methodology 39
4.1 Ductile Iron Pipe 40
4.2 Field Work 41
4.3 Civil Work 42
4.4 Curve design 42
4.5 Plan and Profile Work 44
CHAPTER 5 : USING BENTLY HAMMER 45
5.1 Using Bentley Hammer 46
5.2 Pipeline Protection. 46
5.3 Creating or Importing a Steady-State Model. 47
5.4 Creating a Model. 47
5.5 Selecting The Transient Events to Model. 47
5.6 Animating Transient Results at Points and along Profiles 48
5.7 Viewing Time History Graphs in Bentley HAMMER 49
CHAPTER 6 : USING HAMMER TO ANALYSIS THE SYSTEM 51
6.1 General Description of Al Duhaisha Pumping Station 52
6.2 Hydraulic Analysis for Al Duhaisha Pumping Station (Steady State). 52
6.2.1 System Description 52
6.3 calculate head lose 53
6.4 Transient State Analysis 55
6.4.1 Expression of the wave speed (a) 55
6.4.2 Moment of inertia 56
6.5 System Data 57
6.6 Simulation Results Without Including the Protection Device 62
6.7 Analysis of the System by Profiles 66
6.8 Surge-Protection Equipment 69
6.8.1 Using Hydro pneumatic tank in hammer cad 72
6.8.2 Analysis with Surge-Protection Equipment 77
CHAPTER 7 : CONCLUSION 82
7.1 Conclusion 83
Appendix A 84X
LIST OF TABLES
TABLE # DESCRIPTION PAGE
1.1 Phases of the Project with Their Expected Duration 5
2.1 Primary attributes and design variables of key surge-protection approaches 20
3.1 Land use in AD Doha city in dunum 35
3.2 Total area of rain-fed and irrigated open cultivated vegetables in Ad Doha
city in dunum
35
4.1 Standard Vi Joint for pipes 43
6.1 Tanks data. 58
6.2 Pump‟s data. 59
6.3 Pipe‟s data. 61
6.4 Junction‟s data. 62
6.5 Pipe‟s data. 63
6.6 Pump‟s data 64
6.7 Tank‟s data 64
6.8 results with hydro pneumatic tank. 78
6.9 Pump results with hydro pneumatic tank. 79
6.10 results with hydro pneumatic tank. 79
6.11 Junction results with hydro pneumatic tank. 79XI
LIST OF FIGURES
FIGUER
No.
DESCRIPTION PAGE
1.1 Hydraulic transients at position x in the system 3
2.1 Hydraulic transient at position x in the system 9
2.2 Numerical (computer) determination of pressure transient
is based on division of the pipeline 0 – L into equally long parts,
defined by nodal points (L. Jönsson and P. Larsen, 1975)
21
3.1 The Arial Photo for Al- Doha and Dheisheh Camp 27
3.2 Location of Douha and Dheisheh Camp according to Betlehem
Governorate
28
3.3 Topographic Map for Al- Doha and Dheisheh Camp 29
3.4 Contour Map for Al- Doha and Dheisheh Camp 30
3.5 Pipeline alignment for Al- Doha and Duhaisha Camp 31
3.6 Main Places Map for Al- Doha and Duhaisha Camp 34
3.7 Landuse for Al- Doha and Duhaisha Camp 36
3.8 Ad Doha town 32
4.1 Sub-project Classic Pipes in Taweelah in the UAE 40
4.2 Sub-project in Taksbt in Algeria 41
4.3 Inner Joint structure 42
4.4 Standard Vi Joint for pipes 43
4.5 Curve design 44
5.1 Transient results viewer 49
5.2 Graph type. 49
5.3 Transient results viewer – time histories. 50
6.1 Feature of the project. 53
6.2 System description. 53
6.3 System component. 55
6.4 Tank data. 58
6.5 Al-Mattallah pumping station 59
6.6 Pump head. 60XII
6.7 Pump efficiency. 60
6.8 Motor efficiency. 60
6.9 Moment of inertia. 61
6.10 Compute initial conditions. 62
6.11 Compute transients condition. 63
6.12 Calculation options under the transient solver. 65
6.13 Shown the profile in Hammer Cad. 65
6.14 Pipeline Profile VS hydraulic grade line HGL 66
6.15 Pressure envelope and flow variations with time. 67
6.16 Pressure envelope and flow variations with time. 67
6.17 Pressure envelope with time at the tank location. 68
6.18 Hydraulic grade lines along the entire pipe length. 68
6.19 Hydro pneumatic tank base elevation. 73
6.20 Hydro pneumatic tank operating range type. 73
6.21 Hydro pneumatic tank initial HG 73
6.22 Hydro pneumatic tank initial liquid volume. 74
6.23 Hydro pneumatic tank minor loss coefficient. 74
6.24 Hydro pneumatic tank gas law model. 74
6.25 Hydro pneumatic tank volume. 75
6.26 Treat hydro pneumatic tank as junction. 75
6.27 The diameter of the tank‟s inlet. 76
6.28 Ratio of losses. 76
6.29 The gas law exponent. 77
6.30 System description with hydro pneumatic tank. 77
6.31 Water flow varation at the surge tank location. 80
6.32 Gas volume varation at the surge tank location. 80
6.33 Gas pressure varation at the surge tank location. 81
6.34 Hydraulic grade lines along the entire pipe leng

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