Thrust and Drag : Its Prediction and Verification. için kapak resmi
Thrust and Drag : Its Prediction and Verification.
Başlık:
Thrust and Drag : Its Prediction and Verification.
Yazar:
Covert, Eugene E.
ISBN:
9781600863547
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 online resource (352 pages)
Seri:
Progress in Astronautics and Aeronautics ; v.98

Progress in Astronautics and Aeronautics
İçerik:
Cover -- Title -- Copyright -- Table of Contents -- Preface -- Chapter I. Introduction -- An Historic Perspective -- Performance Calculations -- Estimation and Prediction of Drag -- A Short History of the Turbojet Engine -- The Turbine -- Compressor -- Flight Validation -- Chapter II. Thrust-Drag Accounting Methodology -- Thrust-Drag Accounting Approach -- Airframe System Drag -- Flow-Through Model Internal Drag Correction -- Scale-Model/Full Scale Geometry Correction -- Trim Drag -- Reynolds Number Correction -- Full Scale Drag Polar -- Engine Thrust -- Throttle-Dependent Drags -- Inlet Spillage Drag -- Exhaust System Drag -- Auxiliary Airflow Thrust Drag -- Net Propulsive Force -- Chapter III. Gas Turbine Engine Performance Determination -- Engine Performance Estimation by Analysis and Calculation -- Practical Computational Limitations -- General Application of Thermodynamic Approach -- The Need for Approximations and Correlations -- Thermal and Mechanical Equilibrium Considerations -- Nonuniform Flowfields -- Engine Computer Math Models -- Performance Estimation by Ground Testing -- Test Configurations -- Factors Affecting Engine Performance Measurement -- Measurement Schemes -- Measurement Error Sources -- Measurement Resource Estimating -- Measurement Validation -- Scale-Model Test Comparisons -- Short-Duration Turbine Engine Testing -- Engine Performance Estimation by Flight Testing -- Preflight Test Considerations -- Engine Installation Effects -- Engine Evaluation Methods -- Flight Instrumentation Considerations -- Unsteady Influences on Thrust Determination in Flight -- Calculational Considerations -- Chapter IV. Prediction and Verification of Aerodynamic Drag, Part I: Prediction -- Introduction -- Drag -- Level of Drag Prediction Detail -- Subsonic Drag -- Empirical Correlations -- Detailed Drag Estimates-Component Buildup.

Cruise Efficiency -- Transonic Drag -- The Drag Rise -- Detailed Drag Estimates-Component Buildup -- Numerical Transonic Aerodynamics -- Supersonic Drag -- Friction Drag -- Wave Drag -- Lift-Induced Drag -- Numerical Aerodynamics -- Prediction and Verification of Aerodynamic Drag, Part II: Wind-Tunnel/Flight Correlation of Lift, Drag, and Pitching Moment -- Chapter V. Throttle-Dependent Forces -- Basic Concepts and Examples -- Supersonic/Transonic Aircraft Inlets -- Supersonic/Transonic Aircraft Nozzles -- Other Tactical Aircraft Throttle-Dependent Forces -- Subsonic Aircraft Inlets/Nozzles -- Determination of Throttle-Dependent Forces -- Experimental Techniques -- Difficulties in Experimental Testing -- Qualitative Techniques to Assess Throttle-Dependent Forces -- Analytical Techniques -- Throttle-Dependent Forces in Flight -- Sources of Error-Wind Tunnel/Analysis to Flight -- Appendix -- Basic Definitions -- Chapter VI. Precision and Propagation of Error -- Introduction -- Measurement Error -- Measurement Uncertainty -- List of Statistical Quality-Control Chart References -- Basic References -- Examples of Control Charts in Metrology -- Propagation of Measurement Errors -- Example I-Engine Inlet Airflow -- Example II-Thrust Specific Fuel Consumption (TSFC) -- Measurement Process -- Reporting Error -- Traceability -- Uncertainty Model -- Measurement Error Sources -- Test Stand Force Measurement-An Example -- Force Measurement Error Sources -- Net Thrust and Net Thrust Specific Fuel Consumption -- General -- Gross Thrust Measurement Techniques -- Propagation of Errors to Net Thrust -- Propagation of Error to Net Thrust Specific Fuel Consumption -- Chapter VII. Summary and Conclusions -- Measurement of Engine Performance -- Drag and Its Determination -- Closing Remarks.
Notlar:
Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2017. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.
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