Basic Hydraulics

1st Edition - July 29, 1982
Author: P D Smith
Language: English
eBook ISBN:
9 7 8 - 1 - 4 8 3 1 - 4 0 7 6 - 6

BASIC Hydraulics aims to help students both to become proficient in the BASIC programming language by actually using the language in an important field of engineering and to use… Read more

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BASIC Hydraulics aims to help students both to become proficient in the BASIC programming language by actually using the language in an important field of engineering and to use computing as a means of mastering the subject of hydraulics. The book begins with a summary of the technique of computing in BASIC together with comments and listing of the main commands and statements. Subsequent chapters introduce the fundamental concepts and appropriate governing equations. Topics covered include principles of fluid mechanics; flow in pipes, pipe networks and open channels; hydraulic machinery; and seepage and groundwater flow. Each chapter provides a series of worked examples consisting primarily of an introduction in which the general topic or specific problem to be considered is presented. A program capable of solving the problem is then given, together with examples of the output, sometimes for several different sets of conditions. Finally, in a section headed Program Notes the way the program is constructed and operates is explained, and the engineering lessons to be learned from the program output are indicated. Each chapter also concludes with a set of problems for the student to attempt. This book is mainly intended for the first- and second-year undergraduate student of civil engineering who will be concerned with the application of fundamental fluid mechanics theory to civil engineering problems.

Preface1 Introduction to Basic 1.1 The Basic Approach 1.2 The Elements of Basic 1.3 Checking Programs 1.4 Different Computers and Variants of Basic 1.5 Summary of Basic Statements 1.6 Bibliography2 Elements of Fluid Mechanics Essential Theory 2.1 Introduction 2.2 Properties of Fluids 2.3 Hydrostatics 2.4 Measurement of Static Pressure 2.5 Forces on Plane and Curved Surfaces 2.6 Buoyancy and Floating Stability 2.7 Basic Fluid Dynamics 2.8 Continuity Equation 2.9 Energy Equation 2.10 Momentum Equation 2.11 Fluid Viscosity Worked Examples 2.1 PRESCON: Conversion of Pressure Units 2.2 SLUICEDES: Design of Radial Sluice Gate 2.3 METACENT: Stability of Floating Body 2.4 VENTCALIB: Calibration of Venturi Meter 2.5 SPHEREDRG: Evaluation of Drag Coefficient Problems3 Flow in Pipes and Pipe Networks Essential Theory 3.1 Introduction 3.2 Fully Developed Flow 3.3 Laminar and Turbulent Flow in Smooth Pipes 3.4 Flow in Rough Pipes 3.5 Localized Head Losses 3.6 Network Analysis 3.7 Unsteady Pipe Flow Worked Examples 3.1 FRICFACT:: Comparison of Pipe Friction Factors 3.2 PIPEFITTG: Local Losses at Pipe Fittings 3.3 3RESPROB: Solution by Quantity Balancing 3.4 PIPENETWK: Solution by Head Balancing 3.5 SURGETANK: Evaluation of Levels on System Closure Problems4 Flow in Open Channels Essential Theory 4.1 Introduction 4.2 Uniform Flow 4.3 Gradually Varied Flow 4.4 Rapidly Varied Flow Worked Examples 4.1 CHANDESN: Design of Irrigation Channel 4.2 GVFPROFIL: Evaluation of Backwater Curve 4.3 SPECENERG: Specific Energy vs Depth Curve and yc 4.4 NORMDEPTH:Evaluation of Normal Depth in Stepped Channel 4.5 PROPDEPTH: Proportional Depth Diagram: Circular Conduit Problems5 Hydraulic Machinery Essential Theory 5.1 Introduction 5.2 Elementary Theory 5.3 Performance 5.4 Dimensionless Coefficients and Similarity 5.6 Cavitation in Machines Worked Examples 5.1 PUMPEFFIC: Calculation of Pump Efficiency, etc. 5.2 NONDIMCHA: Non-Dimensionalization of Pump Characteristics 5.3 PUMPOPPT: Evaluation of Pump Operating Point 5.4 PUMPPRED: Prediction of Geometrically Similar Pump Characteristics Problems6 Seepage and Groundwater Flow Essential Theory 6.1 Introduction 6.2 Soil Permeability 6.3 Measurement of Permeability 6.4 Flow Nets 6.5 Numerical Solution of Seepage Problems Worked Examples 6.1 WELLDRAWD: Well Discharge Test in Unconfined Aquifer 6.2 CASAGRAND: Seepage Surface in Earth Dam 6.3 MESHRELAX: Relaxation of Square Mesh 6.4 INTERPOLN: Estimation of Streamline Positions 6.5 UPLIFTFCE: Calculation of Uplift Force on Dam BaseProblemsBibliographyIndex