Guia docente 2017_18 Escola de Enxeñaría de Minas e Enerxía

Degree in Mining and Energy Resources Engineering

Resources, installations and hydro-power plants

Contents

Topic	Sub-topic
I. Introduction about hydraulic machines	I.1 Introduction. I.2 Fluid machines classification. I.3 Singular parts of turbomachinery. I.4 Classification of turbomachines.
II. Energy balance of hydraulic machines.	II.1 Introduction. II.2 Total energy conservation. II.3 Internal energy conservation. II.4 Mechanical energy conservation. II.5 Mechanical power balance and efficiency of pumps. II.6 Mechanical power balance and efficiency of turbines. II.7 Pump and turbines heating evaluation. II.8 Pumping and turbines’ facilities. Head losses calculation.
III. Dimensionless analysis and similarity in turbomachines.	III.1 Introduction. III.2 Working parameters of a turbomachine. III.3 Dimensionless analysis applied to turbomachinery. III.4 Pumps’ performance curve. III.5 Turbines’ operating curve. III.6 Dimensionless parameters.
IV. General theory of hydraulic turbomachinery.	IV.1 Introduction. IV.2 Control volume approach. Conservation of mass. IV.3 Angular momentum conservation. Euler’s theorem. IV.4 Euler’s equation. IV.5 Bernoulli’s equation in a non-inertial reference frame. IV.6 Reaction ratio.
V. One dimensional theory for hydraulic turbomachines	V.1 Hypotheses and targets of the one-dimensional approach. V.2 Continuity and meridional velocity. V.3 Eulers’s equation and azimuthal velocity. V.4 One-dimensional approach for axial turbomachines.
VI. Two dimensional theory for radial turbomachines.	VI.1 Introduction. Finite number of blades. VI.2 Incompressible flow inside a centrifugal impeller. VI.3 Angular deviation of flow at the outlet of the impeller. Corrections.
VII. Two dimensional theory for axial turbomachines.	VII.1 Introduction. VII.2 Two-dimensional flow through a fixed blade cascade. VII.3 Two-dimensional relative flow through the blades. VII.4 Reaction ratio. VII.5 Radial equilibrium of an axial turbomachine.
VIII. Viscid flow and cavitation phenomena in hydraulic turbomachines.	VIII.1 Introduction. VIII.2 Viscous effects, boundary layer and secondary flows in turbomachines. VIII.3 Friction losses and fluid leaks. VIII.4 Principles and effects of cavitation. VIII.5 Cavitation conditions. VIII.6 Similarity and cavitation. Thoma’s number.
IX. Actual facilities.	IX.1 Introduction. IX.2 Basics of pump design. IX.3 Pumping facilities. Working point. Pumps arrangement and working point adjustment. IX.4 Selection of hydraulic turbines. Performance curves as a function of volumetric flux and rotating velocity. Fink’s distributor effect. IX.5 Classification and general description of power plants, dams and reservoirs. IX.6 Pumped-storage hydroelectric plants IX.7 River flow control. Electric energy production and consumption. Automatic control of hydroelectric power plants.