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The fluid dynamic basis for actuator disc and rotor theories / Gijs van Kuik.
- Format:
- Book
- Author/Creator:
- Kuik, Gijs van, 1951- author.
- Language:
- English
- Subjects (All):
- Fluid dynamics.
- Actuators.
- Rotors.
- Physical Description:
- 1 online resource
- Edition:
- Revised second edition.
- Place of Publication:
- Amsterdam, Netherlands : IOS Press, 2022.
- Contents:
- Intro
- Title Page
- Preface
- Reading guide
- Acknowledgement
- Nomenclature
- More than a century of rotor research
- Introduction
- History of the actuator disc momentum theory
- The British School
- The German and Russian School
- The contribution of Joukowsky and Betz to the vortex theory of propellers
- The Betz-Joukowsky limit for wind turbines
- From actuator disc to rotor aerodynamics
- Why this book?
- Force fields in fluid dynamics
- The equation of motion and the coordinate systems
- Equivalence of the kinematic and dynamic methods
- Conservative and non-conservative force fields
- Force fields and energy
- Work done by force fields
- Choice of reference system
- Work done by non-conservative force fields
- Pressure as a conservative force in momentum balances
- Pressure interpreted as potential energy
- Definition of (non-)conservative forces as used in this book
- Evaluation
- Force fields and vorticity
- The role of Helmholtz's conservation laws
- Generation of actuator disc vorticity
- Convection of actuator disc vorticity
- Convection of rotor vorticity
- Evaluation
- The disc as representation of a rotor
- Loads and power of a Joukowsky disc and rotor
- The actuator disc equation
- The rotor blade
- Power and thrust coefficients for Joukowsky discs / rotors
- The transition from a B-bladed rotor to the Joukowsky disc
- Comparison of the flow fields of a disc and rotor
- Analysis of Froude's actuator disc flows
- One-dimensional momentum theory
- The momentum balance
- Momentum theory without conservative forces
- Momentum theory including conservative forces, applied to a stream annulus
- Numerical assessment of Froude's actuator disc performance
- The model and accuracy of computation
- Comparison of calculated performance with momentum theory results
- Comparison with experimental results
- Flow details
- Flow and pressure patterns
- Properties of the wake boundary
- Pressure and velocity at the disc
- Pressure at the axis
- Analysis of Joukowsky's actuator disc flows
- Two-dimensional momentum theory
- The equations for a Joukowsky disc
- The disc load
- The far wake outside the vortex core
- The vortex core
- The momentum, mass and energy balance
- Limit values of the Joukowsky momentum theory
- Results for , 0.
- Propeller discs with a wake of constant radius or with wake expansion
- The static disc or disc in hover
- The maximum efficiency of a wind turbine disc
- The efficiency of propeller discs
- Numerical assessment of flow details
- The numerical model
- Comparison of wind turbine and propeller discs at =1
- Comparison of a wind turbine and propeller disc with similar wake expansion
- The role of swirl and conservative pressure distributions
- Notes:
- Includes bibliographical references and index.
- Electronic reproduction. Ann Arbor, MI Available via World Wide Web.
- Online resource; title from PDF title page (IOS Press, viewed July 18, 2022).
- Other Format:
- Print version: van Kuik, G. A. M. The Fluid Dynamic Basis for Actuator Disc and Rotor Theories
- ISBN:
- 9781643682792
- 1643682792
- Publisher Number:
- 99993745212
- Access Restriction:
- Restricted for use by site license.
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