AEEM 445 Gas Dynamics Date Prepared: February 2, 2004 Date Updated: Catalog data: 20-AEEM-445. Gas Dynamics 4 cr. Equations of one and two-dimensional gas motion. Speed of sound, normal and oblique shock waves, expansion wave theory. Applications are presented for diffusers and nozzles, wind tunnel design, jet exhausts, and airfoils. Required by: B.S. Aerospace Engineering Prerequisites: 15-MATH-264 Calculus IV, 15-MATH-276 Differential Equations, 20-CME-382 Basic Thermodynamics, 15-AEEM-383 Basic Fluid Mechanics; 20-AEEM-342 Fundamentals of Aerodynamics Textbook: Fundamentals of Aerodynamics, 4/e, John D. Anderson, McGraw-Hill, 2005, 0072950463 Introduction to Fluid Mechanics, 5/e, Fox and MacDonald: Wiley, 1998 0471202312 References: Gas Dynamics, 2nd ed., James E. A. John, Allyn & Bacon Publishers, 1984 0205080146 Coordinator: Karman Ghia, Professor of Aerospace Engineering & Engineering Mechanics, 681 Rhodes, 556-3243 Kirti.Ghia@uc.edu Course Objectives: The student will be able to 1. 2. 3. 4. 5. 6. 7. 8. Understand the concept of Conservation Equations in integral form for a Control Volume [a] Develop proficiency in manipulating the isentropic flow relations for a perfect gas Determine the expression for the speed of sound for a perfect gas [a] Explain the concepts of zone of silence and zone of action for supersonic flows [a] Determine the flow properties inside a converging-diverging nozzle for isentropic conditions; flows with normal shock; flows with oblique shocks and Prandtl-Meyer waves [e] Design a high speed wind tunnel, taking into account factors such as compressor pumping time, model size and balance, and present results as a technical report [b, c, f, g, h, i, j, k] Compute lift and drag using shock expansion theory for airfoils [a, e, k] Compute the flow-field variables in jets exhausting in quiescent air [a, e, k] Sketch the Fanno and Raleigh line T-S diagrams and compute the associated flow variables [e] Topics Covered: Basic equations of mass, momentum, and energy from control volume concepts; Wave propagation and the speed of sound; One-dimensional isentropic flow and/or normal shock waves; Application to converging-diverging nozzles and diffusers, and wind tunnels; Oblique shock waves and Prandtl-Meyer flow in nozzles and diffusers; Application to under and over expanded jets and airfoils; Friction and heat addition for subsonic flows in constant area ducts; Design of supersonic inlet or nozzle using shockexpansion theory; Design of supersonic nozzle in presence of friction and heat addition. Computer usage: Design of supersonic inlet or nozzle using shock-expansion theory; design of supersonic nozzle in presence of friction and heat addition. Prof. Experience: Mathematics; Engineering; Design Experience AEEM Prog. Objectives: 1, 2, 3, 4, and 6 ABET Program Outcomes: Know how to apply mathematical, scientific, and engineering analyses tools appropriate to gas dynamics [a] Be able to identify, formulate, and solve engineering problems related to gas dynamics in homework, project, and examinations [e] Calculate lift and drag on supersonic airfoils, determine flow fields in the wake of under and over expanded nozzles, etc. [a, e, k] Utilize modern engineering skills in the homework and project requiring the use of computer software in the detailed computation of an optimum nozzle configuration, wind-tunnel design, etc. [b, c, f, g, h, i, j, k] Instrument of Assessment Course Name: Gas Dynamics Quarter_______________________________ Outcome Objective HW Course # AEEM-445 Instructor_____________________________ Quiz MidTerm Final Report a) An ability to apply knowledge of mathematics, science, and engineering to problems in the aerospace disciplines b) An ability to design and conduct experiments, as well as to analyze and interpret data c) An ability to design an aerospace system, component, or process to meet desired needs d) An ability to function on multidisciplinary teams e) An ability to identify, formulate, and solve engineering problems in the aerospace disciplines f) An understanding of professional and ethical responsibility g) An ability to communicate effectively in written and oral presentation h) The broad education necessary to understand the impact of engineering solutions in a global and societal context i) A recognition of the need for an ability to engage in life-long learning j) A knowledge of contemporary issues through participation in a general education program k) An ability to use the techniques, skills, and modern engineering tools necessary for engineering practice l) Enhanced understanding of the relationship between theory and professional practice through the cooperative education experience m) The opportunity to specialize and to participate in a research experience Notes: 1) Please attach a list of assignments, quizzes and exams. 2) Please add comments or concerns regarding the present assessment. 3) Please provide any comments or suggestions for improvement. Oral % of Stud. with C and above Comments