Propeller Time-Dependent Forces Due to Nonuniform Flow PDF Download
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Author: David E. Thompson
Publisher:
ISBN:
Category :
Languages : en
Pages : 227
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Book Description
The aability to accurately predict the magnitude and phase of the time-pendent forces and moments generated by the blades of a propulsor is important due to the possible resulting vibrations and/or radiated sound. The present thesis considers the time-dependent thrust response of an open propeller due to operating in both spatially and temporally varying flows. The experimental investigation consisted of measuring, in a water tunnel, the time-dependent thrust generated by a series of propellers operating first in various spatially nonuniform inflows and then in various turbulent inflows. The spatial variations were generated by an upstream strut, and the turbulence was generated by square mesh grids placed upstream of the propeller. Three propellers were considered. Measurements were made with each propeller operating over a range of advance ratios for each nonuniform inflow condition considered.
Author: David E. Thompson
Publisher:
ISBN:
Category :
Languages : en
Pages : 227
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Book Description
The aability to accurately predict the magnitude and phase of the time-pendent forces and moments generated by the blades of a propulsor is important due to the possible resulting vibrations and/or radiated sound. The present thesis considers the time-dependent thrust response of an open propeller due to operating in both spatially and temporally varying flows. The experimental investigation consisted of measuring, in a water tunnel, the time-dependent thrust generated by a series of propellers operating first in various spatially nonuniform inflows and then in various turbulent inflows. The spatial variations were generated by an upstream strut, and the turbulence was generated by square mesh grids placed upstream of the propeller. Three propellers were considered. Measurements were made with each propeller operating over a range of advance ratios for each nonuniform inflow condition considered.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 652
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Book Description
Author: William K. Blake
Publisher: Academic Press
ISBN: 0128122900
Category : Science
Languages : en
Pages : 696
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Book Description
Mechanics of Flow-Induced Sound and Vibration, Volume 2: Complex Flow-Structure Interactions, Second Edition, enables readers to fully understand flow-induced vibration and sound, unifying the disciplines of fluid dynamics, structural dynamics, vibration, acoustics, and statistics in order to classify and examine each of the leading sources of vibration and sound induced by various types of fluid motion. Starting from classical theories of aeroacoustics and hydroacoustics, a formalism of integral solutions valid for sources near boundaries is developed and then broadened to address different source types, including hydrodynamically induced cavitation and bubble noise, turbulent wall-pressure fluctuations, pipe and duct systems, lifting surface flow noise and vibration, and noise from rotating machinery. Each chapter is illustrated with comparisons of leading formulas and measured data. Combined with its companion book, Mechanics of Flow-Induced Sound and Vibration, Volume 1: General Concepts and Elementary Sources, the book covers everything an engineer needs to understand flow-induced sound and vibration. This book will be a vital source of information for postgraduate students, engineers and researchers with an interest in aerospace, ships and submarines, offshore structures, construction, and ventilation. Presents every important topic in flow-induced sound and vibration Covers all aspects of the topics addressed, from fundamental theory, to the analytical formulas used in practice Provides the building blocks of computer modeling for flow-induced sound and vibration
Author: William K. Blake
Publisher: Elsevier
ISBN: 0323145752
Category : Science
Languages : en
Pages : 569
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Book Description
Mechanics of Flow-Induced Sound and Vibration V2
Author: David W. Taylor Naval Ship Research and Development Center
Publisher:
ISBN:
Category : Shipbuilding
Languages : en
Pages : 638
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Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 520
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Author:
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ISBN:
Category : Naval architecture
Languages : en
Pages : 368
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Book Description
Author: Desen Yang
Publisher: Springer Nature
ISBN: 9819942918
Category : Technology & Engineering
Languages : en
Pages : 1258
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Book Description
This book contains original, peer-reviewed, and selected research papers that were presented at the 2023 International Conference on Marine Equipment & Technology and Sustainable Development, which took place in Beijing, China on April 1st 2023. The papers cover a range of topics, including but not limited to: the vision and goals of building a maritime community with a shared future, marine machinery and transportation, marine ecology, environmental protection and conservation, marine safety, future ships and marine equipment, marine engineering, marine information and technology, maritime policy, and global governance. The papers included in this volume provide the latest findings on methodologies, algorithms, and applications in marine equipment and technology, as well as sustainable development. As a result, this book is an invaluable resource for researchers, engineers, and university students who are interested in these fields.
Author: Carlos Guedes Soares
Publisher: CRC Press
ISBN: 1315643499
Category : Technology & Engineering
Languages : en
Pages : 946
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Book Description
Towards Green Marine Technology and Transport covers recent developments in marine technology and transport. The book brings together a selection of papers reflecting fundamental areas of recent research and development in the fields of ship hydrodynamics, marine structures, ship design, shipyard technology, ship machinery, maritime transportation,
Author: American Institute of Aeronautics and Astronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 938
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Book Description
