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Record Nr. |
UNINA9910555092203321 |
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Titolo |
Flow-induced vibration handbook for nuclear and process equipment / / edited by Michel J. Pettigrew, Colette E. Taylor, Nigel J. Fisher |
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Pubbl/distr/stampa |
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Hoboken, New Jersey : , : John Wiley & Sons, Inc., , [2022] |
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©2022 |
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ISBN |
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1-119-81097-3 |
1-119-81099-X |
1-119-81098-1 |
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Descrizione fisica |
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1 online resource (494 pages) |
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Collana |
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Disciplina |
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Soggetti |
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Nuclear power plants - Piping - Vibration |
Chemical plants - Piping - Vibration |
Pressure vessels - Vibration |
Pressure vessels - Fluid dynamics |
Piping - Fluid dynamics |
Hydrodynamics |
Electronic books. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Nota di contenuto |
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Cover -- Title Page -- Copyright Page -- Contents -- Preface -- Acknowledgments -- Contributors -- Chapter 1 Introduction and Typical Vibration Problems -- 1.1 Introduction -- 1.2 Some Typical Component Failures -- 1.3 Dynamics of Process System Components -- 1.3.1 Multi-Span Heat Exchanger Tubes -- 1.3.2 Other Nuclear and Process Components -- Notes -- References -- Chapter 2 Flow-Induced Vibration of Nuclear and Process Equipment: An Overview -- 2.1 Introduction -- 2.1.1 Flow-Induced Vibration Overview -- 2.1.2 Scope of a Vibration Analysis -- 2.2 Flow Calculations -- 2.2.1 Flow Parameter Definition -- 2.2.2 Simple Flow Path Approach -- 2.2.3 Comprehensive 3-D Approach -- 2.2.4 Two-Phase Flow Regime -- 2.3 Dynamic Parameters -- 2.3.1 Hydrodynamic Mass -- 2.3.2 Damping -- 2.4 Vibration Excitation Mechanisms -- 2.4.1 Fluidelastic Instability -- |
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2.4.2 Random Turbulence Excitation -- 2.4.3 Periodic Wake Shedding -- 2.4.4 Acoustic Resonance -- 2.4.5 Susceptibility to Resonance -- 2.5 Vibration Response Prediction -- 2.5.1 Fluidelastic Instability -- 2.5.2 Random Turbulence Excitation -- 2.5.3 Periodic Wake Shedding -- 2.5.4 Acoustic Resonance -- 2.5.5 Example of Vibration Analysis -- 2.6 Fretting-Wear Damage Considerations -- 2.6.1 Fretting-Wear Assessment -- 2.6.2 Fretting-Wear Coefficients -- 2.6.3 Wear Depth Calculations -- 2.7 Acceptance Criteria -- 2.7.1 Fluidelastic Instability -- 2.7.2 Random Turbulence Excitation -- 2.7.3 Periodic Wake Shedding -- 2.7.4 Tube-to-Support Clearance -- 2.7.5 Acoustic Resonance -- 2.7.6 Two-Phase Flow Regimes -- Note -- References -- Chapter 3 Flow Considerations -- 3.1 Definition of the Problem -- 3.2 Nature of the Flow -- 3.2.1 Introduction -- 3.2.2 Flow Parameter Definitions -- 3.2.3 Vertical Bubbly Flow -- 3.2.4 Flow Around Bluff Bodies -- 3.2.5 Shell-Side Flow in Tube Bundles. |
3.2.6 Air-Water versus Steam-Water Flows -- 3.2.7 Effect of Nucleate Boiling Noise -- 3.2.8 Summary -- 3.3 Simplified Flow Calculation -- 3.4 Multi-Dimensional Thermalhydraulic Analysis -- 3.4.1 Steam Generator -- 3.4.2 Other Heat Exchangers -- Acronyms -- Nomenclature -- Subscripts -- Notes -- References -- Chapter 4 Hydrodynamic Mass, Natural Frequencies and Mode Shapes -- 4.1 Introduction -- 4.2 Total Tube Mass -- 4.2.1 Single-Phase Flow -- 4.2.2 Two-Phase Flow -- 4.3 Free Vibration Analysis of Straight Tubes -- 4.3.1 Free Vibration Analysis of a Single-Span Tube -- 4.3.2 Free Vibration Analysis of a Two-Span Tube -- 4.3.3 Free Vibration Analysis of a Multi-Span Tube -- 4.4 Basic Theory for Curved Tubes -- 4.4.1 Theory of Curved Tube In-Plane Free Vibration -- 4.4.2 Theory of Curved Tube Out-of-Plane Free Vibration -- 4.5 Free Vibration Analysis of U-Tubes -- 4.5.1 Setting Boundary Conditions for the In-Plane Free Vibration Analysis of U-Tubes Possessing Geometric Symmetry -- 4.5.2 Development of the In-Plane Eigenvalue Matrix for a Symmetric U-Tube -- 4.5.3 Generation of Eigenvalue Matrices for Out-of-Plane Free Vibration Analysis of U-Tubes Possessing Geometric Symmetry -- 4.5.4 Free Vibration Analysis of U-Tubes Which Do Not Possess Geometric Similarity -- 4.6 Concluding Remarks -- Nomenclature -- References -- Chapter 5 Damping of Cylindrical Structures in Single-Phase Fluids -- 5.1 Introduction -- 5.2 Energy Dissipation Mechanisms -- 5.3 Approach -- 5.4 Damping in Gases -- 5.4.1 Effect of Number of Supports -- 5.4.2 Effect of Frequency -- 5.4.3 Vibration Amplitude -- 5.4.4 Effect of Diameter or Mass -- 5.4.5 Effect of Side Loads -- 5.4.6 Effect of Higher Modes -- 5.4.7 Effect of Support Thickness -- 5.4.8 Effect of Clearance -- 5.5 Design Recommendations for Damping in Gases -- 5.6 Damping in Liquids -- 5.6.1 Tube-to-Fluid Viscous Damping. |
5.6.2 Damping at the Supports -- 5.6.3 Squeeze-Film Damping -- 5.6.4 Damping due to Sliding -- 5.6.5 Semi-Empirical Formulation of Tube-Support Damping -- 5.7 Discussion -- 5.8 Design Recommendations for Damping in Liquids -- 5.8.1 Simple Criterion Based on Available Data -- 5.8.2 Criterion Based on the Formulation of Energy Dissipation Mechanisms -- Nomenclature -- Subscript -- References -- Chapter 6 Damping of Cylindrical Structures in Two-Phase Flow -- 6.1 Introduction -- 6.2 Sources of Information -- 6.3 Approach -- 6.4 Two-Phase Flow Conditions -- 6.4.1 Definition of Two-Phase Flow Parameters -- 6.4.2 Flow Regime -- 6.5 Parametric Dependence Study -- 6.5.1 Effect of Flow Velocity -- 6.5.2 Effect of Void Fraction -- 6.5.3 Effect of Confinement -- 6.5.4 Effect of Tube Mass -- 6.5.5 Effect of Tube Vibration Frequency -- 6.5.6 Effect of Tube Bundle Configuration -- 6.5.7 Effect of Motion of Surrounding |
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Tubes -- 6.5.8 Effect of Flow Regime -- 6.5.9 Effect of Fluid Properties -- 6.6 Development of Design Guidelines -- 6.7 Discussion -- 6.7.1 Damping Formulation -- 6.7.2 Two-Phase Damping Mechanisms -- 6.8 Summary Remarks -- Nomenclature -- Subscripts -- Note -- References -- Chapter 7 Fluidelastic Instability of Tube Bundles in Single-Phase Flow -- 7.1 Introduction -- 7.2 Nature of Fluidelastic Instability -- 7.3 Fluidelastic Instability: Analytical Modelling -- 7.4 Fluidelastic Instability: Semi-Empirical Models -- 7.5 Approach -- 7.6 Important Definitions -- 7.6.1 Tube Bundle Configurations -- 7.6.2 Flow Velocity Definition -- 7.6.3 Critical Velocity for Fluidelastic Instability -- 7.6.4 Damping -- 7.6.5 Tube Frequency -- 7.7 Parametric Dependence Study -- 7.7.1 Flexible versus Rigid Tube Bundles -- 7.7.2 Damping -- 7.7.3 Pitch-to-Diameter Ratio, P/D -- 7.7.4 Fluidelastic Instability Formulation -- 7.8 Development of Design Guidelines. |
7.9 In-Plane Fluidelastic Instability -- 7.10 Axial Flow Fluidelastic Instability -- 7.11 Concluding Remarks -- Nomenclature -- Subscript -- References -- Chapter 8 Fluidelastic Instability of Tube Bundles in Two-Phase Flow -- 8.1 Introduction -- 8.2 Previous Research -- 8.2.1 Flow-Induced Vibration in Two-Phase Axial Flow -- 8.2.2 Flow-Induced Vibration in Two-Phase Cross Flow -- 8.2.3 Damping Studies -- 8.3 Fluidelastic Instability Mechanisms in Two-Phase Cross Flow -- 8.4 Fluidelastic Instability Experiments in Air-Water Cross Flow -- 8.4.1 Initial Experiments in Air-Water Cross Flow -- 8.4.2 Behavior in Intermittent Flow -- 8.4.3 Effect of Bundle Geometry -- 8.4.4 Flexible versus Rigid Tube Bundle Behavior -- 8.4.5 Hydrodynamic Coupling -- 8.5 Analysis of the Fluidelastic Instability Results -- 8.5.1 Defining Critical Mass Flux and Instability Constant -- 8.5.2 Comparison with Results of Other Researchers -- 8.5.3 Summary of Air-Water Tests -- 8.6 Tube Bundle Vibration in Two-Phase Freon Cross Flow -- 8.6.1 Introductory Remarks -- 8.6.2 Background Information -- 8.6.3 Experiments in Freon Cross Flow -- 8.7 Freon Test Results and Discussion -- 8.7.1 Results and Analysis -- 8.7.2 Proposed Explanations -- 8.7.3 Concluding Remarks -- 8.7.4 Summary Findings -- 8.8 Fluidelastic Instability of U-Tubes in Air-Water Cross Flow -- 8.8.1 Experimental Considerations -- 8.8.2 U-Tube Dynamics -- 8.8.3 Vibration Response -- 8.8.4 Out-of-Plane Vibration -- 8.8.5 In-Plane Vibration -- 8.9 In-Plane (In-Flow) Fluidelastic Instability -- 8.9.1 In-Flow Experiments in a Wind Tunnel -- 8.9.2 In-Flow Experiments in Two-Phase Cross Flow -- 8.9.3 Single-Tube Fluidelastic Instability Results -- 8.9.4 Single Flexible Column and Central Cluster Fluidelastic Instability Results -- 8.9.5 Two Partially Flexible Columns. |
8.9.6 In-Flow Fluidelastic Instability Results and Discussion. -- 8.10 Design Recommendations -- 8.10.1 Design Guidelines -- 8.10.2 Fluidelastic Instability with Intermittent Flow -- 8.11 Fluidelastic Instability in Two-Phase Axial Flow -- 8.12 Concluding Remarks -- Nomenclature -- Subscripts -- Note -- References -- Chapter 9 Random Turbulence Excitation in Single-Phase Flow -- 9.1 Introduction -- 9.2 Theoretical Background -- 9.2.1 Equation of Motion -- 9.2.2 Derivation of the Mean-Square Response -- 9.2.3 Simplification of Tube Vibration Response -- 9.2.4 Integration of the Transfer Function -- 9.2.5 Use of the Simplified Expression in Developing Design Guidelines -- 9.3 Literature Search -- 9.4 Approach Taken -- 9.5 Discussion of Parameters -- 9.5.1 Directional Dependence (Lift versus Drag) -- 9.5.2 Bundle Orientation -- 9.5.3 Pitch-to-Diameter Ratio (P/D) -- 9.5.4 Upstream Turbulence -- 9.5.5 Fluid Density (Gas versus Liquid) -- 9.5.6 Summary -- 9.6 Design Guidelines -- 9.7 Random Turbulence Excitation in Axial Flow -- Nomenclature -- References -- Chapter 10 Random Turbulence Excitation Forces Due to Two-Phase |
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Flow -- 10.1 Introduction -- 10.2 Background -- 10.3 Approach Taken to Data Reduction -- 10.4 Scaling Factor for Frequency -- 10.4.1 Definition of a Velocity Scale -- 10.4.2 Definition of a Length Scale -- 10.4.3 Dimensionless Reduced Frequency -- 10.4.4 Effect of Frequency -- 10.5 Scaling Factor for Power Spectral Density -- 10.5.1 Effect of Flow Regime -- 10.5.2 Effect of Void Fraction -- 10.5.3 Effect of Mass Flux -- 10.5.4 Effect of Tube Diameter -- 10.5.5 Effect of Correlation Length -- 10.5.6 Effect of Bundle and Tube-Support Geometry -- 10.5.7 Effect of Two-Phase Mixture -- 10.5.8 Effect of Nucleate Boiling -- 10.6 Dimensionless Power Spectral Density -- 10.7 Upper Bounds for Two-Phase Cross Flow Dimensionless Spectra. |
10.7.1 Bubbly Flow. |
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2. |
Record Nr. |
UNINA9910831184503321 |
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Titolo |
Beton-kalender 2015 : brücken, bauen im bestand / / herausgegeben von Konrad Bergmeister, Frank Fingerloos, Johann-Dietrich Wörner |
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Pubbl/distr/stampa |
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Berlin, Germany : , : Ernst & Sohn, , 2015 |
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©2015 |
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ISBN |
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3-433-60513-0 |
3-433-60340-5 |
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Edizione |
[5th ed.] |
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Descrizione fisica |
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1 online resource (1196 p.) |
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Collana |
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Disciplina |
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Soggetti |
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Foundations - Design and construction |
Structural engineering |
Concrete construction |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Cover; Title Page; Copyright; Vorwort; Inhaltsübersicht; Inhaltsverzeichnis; Anschriften; I Erhalt unserer Bausubstanz; 1 Einleitung; 2 Einführung und Pressestimmen; 3 Zustand und Eigenschaften unserer Brücken; 4 Erhaltungskreislauf; 5 Ansätze der Forschung, Bewertung und Nachrechnung von Bestandsbrücken; 5.1 Monitoring; 5.2 Nachrechnung; 5.3 Verstärkung mit externer |
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Vorspannung; 5.4 Lebensdaueranalysen und Optimierung; 6 Schlussfolgerungen; 7 Danksagung; 8 Literatur; II Tragwerksplanung im Bestand - Bewertung bestehender Tragwerke; 1 Einleitung; 2 Bestandsschutz; 2.1 Grundlagen |
2.2 Umsetzung2.3 Zusammenfassung; 3 Besonderheiten bei der Bewertung bestehender Tragwerke; 3.1 Allgemeines; 3.2 Bestandsaufnahme und Bestandsbewertung; 3.2.1 Vorgehensweise; 3.2.2 Durchzuführende Untersuchungen; 3.3 Berücksichtigung baubetrieblicher Abläufe; 3.4 Nachrechnung und Konstruktion; 3.5 Historische Bewehrungsregeln; 3.5.1 Einleitung; 3.5.2 Eigenschaften historischer Betonstähle; 3.5.3 Mindestbetondeckung; 3.5.4 Stababstände von Betonstählen; 3.5.5 Biegerollendurchmesser; 3.5.6 Verankerung zugbeanspruchter Längsbewehrung; 3.5.6.1 Verankerung zugbeanspruchter glatter Betonstähle |
3.5.6.2 Verankerung zugbeanspruchter gerippter Betonstähle3.5.6.3 Verbundspannungen; 3.5.7 Übergreifungsstöße zugbeanspruchter Längsbewehrung; 3.5.7.1 Übergreifungsstöße zugbeanspruchter glatter Betonstähle; 3.5.7.2 Übergreifungsstöße zugbeanspruchter gerippter Betonstähle; 4 Historische Normen und Zulassungen des Beton- und Stahlbetonbaus; 5 Ermittlung der maßgebenden Materialkennwerte bestehender Tragwerke; 5.1 Materialkennwerte auf Basis vorliegender Planungsdokumente; 5.1.1 Beton; 5.1.2 Betonstahl; 5.2 Materialkennwerte aus Werkstoffuntersuchungen; 5.2.1 Beton; 5.2.2 Betonstahl |
6 Modifizierte Teilsicherheitsbeiwerte für Bestandsbauten6.1 Allgemeines; 6.2 Modifikation von Teilsicherheitsbeiwerten; 6.3 Beispiel: Nachweis Büro-/Wohnhausdeckenplatte; 6.3.1 Aufgabenstellung; 6.3.2 Vorhandene Bemessung nach DIN 1045:1972-01 [62]; 6.3.3 Nachweis nach DIN EN 1992-1-1:2011-01 [39, 40] mit Lasterhöhung; 6.3.4 Nachweis mit modifizierten Teilsicherheitsbeiwerten; 6.3.5 Vergleich der Ergebnisse; 7 Ermittlung der Tragfähigkeit auf der Grundlage von Belastungsversuchen; 7.1 Entwicklung und normative Grundlagen; 7.2 Einordnung in die Bestandsbewertung |
7.3 Grundlagen und Anwendungsbereiche7.4 Planung von Belastungsversuchen; 7.5 Versuchsdurchführung und Auswertung; 7.6 Schlussfolgerungen; 8 Abschätzung der Feuerwiderstandsdauer historischer Betonkonstruktionen; 8.1 Allgemeines; 8.2 Baustoffe; 8.2.1 Beton; 8.2.2 Betonstahl; 8.2.3 Putze; 8.2.4 Baustoffklassen; 8.3 Bauteile; 8.3.1 Stahlbetondecken; 8.3.2 Stahlsteindecken; 8.3.3 Kappendecken; 8.3.4 Glasstahlbeton; 8.3.5 Balken; 8.3.6 Stützen; 9 Übersicht historischer Bestimmungen für den Beton- und Stahlbetonbau - Bemessung, Ausführung, Beton, Betonstahl; 9.1 Die frühen Bestimmungen bis 1925 |
9.2 DIN-Normen 1925 bis 2004 |
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Sommario/riassunto |
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Inhaltsverzeichnis IX Anschriften XXX I Erhalt unserer Bausubstanz 1Peter Mark, Pia Neugebauer II Tragwerksplanung im Bestand - Bewertung bestehender Tragwerke 25Frank Fingerloos, Steffen Marx, Jürgen Schnell III Instandsetzung von Tiefgaragen und Parkhäusern 115Christian Sodeikat, Till F. Mayer IV Erhaltung und Instandsetzung von massiven Verkehrswasserbauwerken 185Andreas Westendarp, Holger Becker, Jörg Bödefeld, Helmut Fleischer, Claus Kunz, Matthias Maisner, Hilmar Müller, Amir Rahimi, Thorsten Reschke, Frank Spörel V Kathodischer Korrosionsschutz im Stahlbetonbau 247Thorsten |
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