PPT-Subject Name: AIRCRAFT PROPULSION

Subject Code 10AE55 Prepared By DEEPA M S Department AERONAUTICAL Date 15112015 UNIT 5 Compressors 11152014 11152014 CONTENTS Principle of operation of centrifugal compressor Work done and pressure rise. Principles of Flight. Learning Outcome 2. Understand . how the stability and manoeuvrability of an aeroplane are controlled. Part 1: Explain how the stability of an aeroplane is maintained. Revision 2.00. Propulsion System. A machine that produces thrust to push an object forward. The amount of thrust depends on the mass flow through the engine and the exit velocity of the gas. Airplane Propulsion Systems. Principles of Flight. Learning Outcome 1. Understand the principles of . flight. Part 2: . Describe how thrust, drag, weight and lift affect aircraft in flight. Revision 2.00. Drag and Thrust. Objectives:. Reaction Wheel. How it creates Propulsion. Reaction wheels actually do NOT create propulsion, they only create rotation.. Main components of the system. Electric motor. Flywheel. When would it be most effective?. A machine that produces thrust to push an object forward. The amount of thrust depends on the mass flow through the engine and the exit velocity of the gas. Airplane Propulsion Systems. Propeller. Allie Burton. November 21, 2015. Creating Propulsion. First, one must cool electromagnets to very low temperatures. In the nanoseconds after applying electricity to them, the electromagnets will begin to vibrate. . In . the conventional solid rocket motor, the propellant is burnt inside a rocket chamber and the hot gases thus generated are accelerated to supersonic condition through a convergent-divergent type nozzle. The heat energy of the gases is converted into kinetic energy inside the nozzle.. Kevin Prince, PE, . PMP. Vice President. Engineering. Gibbs . & Cox, Inc.. Agenda. Propulsion System Trade Study Considerations. Hybrid Enablers. Case 1: Ocean Patrol Vessel. Case 2: Container Ship. Principles of Flight. Learning Outcome 2. Understand . how the stability and manoeuvrability of an aeroplane are controlled. Part 1: Explain how the stability of an aeroplane is maintained. Revision 2.00. Aircraft Propulsion. Thrust produced by increasing the kinetic energy of the air in the opposite direction of flight. Slight acceleration of a large mass of air. Engine driving a propeller. Large acceleration of a small mass of air. Stephen Hevert. Affiliate Professor. Metropolitan State College of Denver.   . http://my.execpc.com/~culp/space/as07_lau.jpg. What Is Propulsion?. Initiating or changing the motion of a body. Translational. What are the benefits of electrified propulsion for large aircraft? What technology advancements are required to realize these benefits? How can the aerospace industry transition from today\'s technologies to state-of-the-art electrified systems? Learn the answers with this multidisciplinary text, combining expertise from leading researchers in electrified aircraft propulsion. The book includes broad coverage of electrification technologies - spanning power systems and power electronics, materials science, superconductivity and cryogenics, thermal management, battery chemistry, system design, and system optimization - and a clear-cut road map identifying remaining gaps between the current state-of-the-art and future performance technologies. Providing expert guidance on areas for future research and investment and an ideal introduction to cutting-edge advances and outstanding challenges in large electric aircraft design, this is a perfect resource for graduate students, researchers, electrical and aeronautical engineers, policymakers, and management professionals interested in next-generation commercial flight technologies. New edition of the successful textbook updated to include new material on UAVs, design guidelines in aircraft engine component systems and additional end of chapter problems Aircraft Propulsion, Second Edition follows the successful first edition textbook with comprehensive treatment of the subjects in airbreathing propulsion, from the basic principles to more advanced treatments in engine components and system integration.This new edition has been extensively updated to include a number of new and important topics. A chapter is now included on General Aviation and Uninhabited Aerial Vehicle (UAV) Propulsion Systems that includes a discussion on electric and hybrid propulsion. Propeller theory is added to the presentation of turboprop engines. A new section in cycle analysis treats Ultra-High Bypass (UHB) and Geared Turbofan engines. New material on drop-in biofuels and design for sustainability is added to refl ect the FAA\'s 2025 Vision.In addition, the design guidelines in aircraft engine components are expanded to make the book user friendly for engine designers. Extensive review material and derivations are included to help the reader navigate through the subject with ease.Key features:General Aviation and UAV Propulsion Systems are presented in a new chapter Discusses Ultra-High Bypass and Geared Turbofan engines Presents alternative drop-in jet fuels Expands on engine components\' design guidelines The end-of-chapter problem sets have been increased by nearly 50% and solutions are available on a companion website Presents a new section on engine performance testing and instrumentation Includes a new 10-Minute Quiz appendix (with 45 quizzes) that can be used as a continuous assessment and improvement tool in teaching/learning propulsion principles and concepts Includes a new appendix on Rules of Thumb and Trends in aircraft propulsion Aircraft Propulsion, Second Edition is a must-have textbook for graduate and undergraduate students, and is also an excellent source of information for researchers and practitioners in the aerospace and power industry. Aircraft Propulsion is an engineering textbook written for students in aerospace and mechanical engineering. The book covers aircraft gas turbine engine and rocket propulsion from its basic principles to more advanced treatments in engine components. Propulsion system integration with aircraft plays an important role in understanding propulsion and is thus addressed in the book. Extensive review material and derivations are intended to help students navigate through the subject with more ease. Over 100 examples and 300 problems are designed to practice the principles learned in jet propulsion and compliment learning through applications. In every engine component, issues related to manufacturing, material properties, temperature limitations and cooling are included to give students an appreciation for the broader scope of propulsion engineering than just aero-thermodynamics. Component matching and off-design analysis is detailed in a separate chapter to provide the physical and performance linkage between the components and their impact on aircraft engines. Principles of chemical rocket propulsion are presented in the context of single-stage to orbit propulsion needs of a rocket-based combined cycle vehicle. The broad treatment of the gas turbine engine cycles and components makes the book suitable as a reference for propulsion and turbomachinery engineers, gas turbine industry and professional development courses.