MAE 5540 Zoom Web Invitation

New Zoom Link Beginning January 10, 2022

Stephen Whitmore is inviting you to a scheduled Zoom meeting.

Topic: MAE 5540 Lectures
Time: Jan 10, 2022 10:30 AM Mountain Time (US and Canada)
MWF, until Feb 28, 2022 (End of Week 7)


Join Zoom Meeting
https://usu-edu.zoom.us/j/85488662134?pwd=UUxSODFPaVFHZmw0TXhKNTk3cHJmUT09

Meeting ID: 854 8866 2134
Passcode: 175548

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Approximate Course Schedule Through Week 7, February 25, 2022

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• Week 1

• Lecture 1, January 10 2022
• Introduction to Rocket Science
  • Rocket Concepts Review
    • Thrust
    • Specific Impulse
  • Rocket Equation Derivation
    • Mass Budget Equation
  • Ramifications of Rocket Equation
    • Correction for "Gravity Losses"
    • Gravity Turn

• Lecture 2, January 12 2022
  • Ramifications of Rocket Equation
    • Correction for "Gravity Losses"
      • Gravity Turn
    • Correction for Drag and Ballistic Losses
  • "Available Delta V Equation"
  • Available vs Required Delta V
    • Gravitational Model, Force and Potential Energy
    • Orbital Velocity (Circular orbit)
    • "Earth Boost" Velocity Component

• Lecture 3, January 14 2022 (Virtual)
• Energy Analysis, Concluded
• Available vs Required Delta V Review
  • Gravitational Model, Force and Potential Energy
  • Orbital Velocity (Circular orbit)
  • "Earth Boost" Velocity Component
  • STS-114 Example
  • Introduction to Space Shuttle Launch Problem

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• Week 2

• Lecture 4, Janaury 19, 2022
  • Homework 1 review
  • "How will My Rocket Go?"
• Analytical Solution for Apogee Altitude
• Total Mechanical Energy of the Rocket
• "Pike" Launch Example
• Introduction to Kepler's laws
  • N- and 2-body problem

Lecture 5. January 21, 2022 (Virtual)
• Introduction to Kepler's laws
  • N- and 2-body problem
• Kepler's First Law
  • Polar Form of Ellipse
• Polar form of ellipse equation
• Fixed and rotating coordinate frames
• Derivitive of position vector
• Introduction to Kepler's second law
  • Swept Area Integral

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• Week 3

• Lecture 6, January 24, 2022
  • Kepler's Second Law, continued
  • Swept Area Integral
  • Eccentric and Mean Anomaly and Kepler's Equation
  • Kepler's Second Law as Conservation of Angular Momentum
  • Conservation of Angular Momentum
  • Kepler's Third Law
  • Magnitude of the Velocity Vector
  • Summary Kepler's Law Summary

• Lecture 7, January 26, 2022
  • Homework 1 Review
  • Kepler's Second Law Review
  • Vis Viva Equation
  • Conservation of Energy
  • Specific Orbital Energy
  • Comparison to the Kinematics/Kepler's Second Law

• Lecture 8, January 28, 2022 (Virtual)
  • Vis Viva equation Concluded
  • Applications of the Vis-Viva Equation
    • Inroduction to Hohmann Transfer
    • Orbital Plane Change Introduction
    • GEO/GTO Transfer Options

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• Week 4

• Lecture 9, January 31, 2022
  • GEO/GTO Transfer Options Example (concluded)
    • Homework 3 Preview, TT&C Satellite Transfer Problem
    • Open Conic Sections
    • Parabola
      • Escape trajectory revisited
    • Hyperbola
    • Conic Section Summary
    • Star Trek Example

• Lecture 10, February 2, 2022
• 2-D Equations of Motion (derivation)
• General vs.Ballistic 2-D Equations
• Numerical Integration Methods

• Lecture 11, February 4, 2022 (Virtual)
  • Homework 2 Review
  • Numerical Integration Methods
    • Two-Step Trapezoidal Integrator
    • 4th Order Runge-Kutta

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• Week 5

• Lecture 12, February 7 2022
  • HW 3 Review, TT&C Satellite Transfer Problem
  • General vs.Ballistic 2-D Equations Review
  • Integrators Concluded
    • 2-Step Trapezoidal
    • 4th Order Runge Kutta
  • Example Problem, V2

• Lecture 13, February 9 2022
  • Continuous Thrust EP Transfer Example
    • Calculation the Initial State vector
    • Calculating {a,e} from State vector {Vr, Vnu, r, nu}
  • Project 1 Preview and Assignment

• Lecture 14, February 11 2022 (Virtual)
• Introduction to Propulsion Systems
  • Properties of a Launch Vehicle and Spacecraft Thruster
  • Thruster Versus Booster Vehicle Requirements
  • Cold-Gas and
  • Monoprop Cycles

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• Week 6

• Lecture 15, February 14 2022
  • Project Expectations Review
  • Contunuous Thrust Transfer Examples
  • Part a
    • Low thrust continuous transfer (F=10 N, Isp =2000 sec)
    • Impulsive Kick (Isp - 270 sec)
      • Run using both RK and Trapezoidal Integrators
      • Increase Delta T until Trapezoidal Integrator Fails
      • Repeat using RK-integrator, compare results
    • Compare to Hohmann Transfer
      • Burn 1 Isp: 2000 sec
      • Burn 2 Isp: 270 sec
  • Part b
    • High thrust continuous transfer (F = 2000 N, Isp =270 sec)
    • Impulsive Kick (Isp - 270 sec)
    • Compare to Hohmann Transfer
      • Burn 1 Isp: 270 sec
      • Burn 2 Isp: 270 sec
  • Part c
    • High thrust continuous transfer (F = 2000 N, Isp =270 sec)
    • High thrust continuous final kick (F = 2000 N, Isp =270 sec)
    • Compare to Hohmann Transfer
      • Burn 1 Isp: 270 sec
      • Burn 2 Isp: 270 sec

• Lecture 16, February 16 2022
  • Introduction to Propulsion Systems (contunued)
    • Monopropellant Systems
      • Hydrazine
      • Ionic Liquid "Green" Propellants
    • Bi-Prop Systems
      • Open/Closed Cycle Turbo Fed Systems
      • Presssure Fed Systems
      • Self-Pressurizing Systems
    • Introduction to Solid Rockets
      • Burn Profile Versus Grain Shape

• Lecture 17, February 18 2022 (Virtual)
• Introduction Solid Rockets (Continued)
  • Burn Profile Versus Grain Shape
• Hybrid Rockets
• Relative Advantages/DisAdvantages of Chemical Rocket Systems
• Introduction to Elecric Propulsion
• Power Input Versus Thrust and Isp
• Overview of EP Technologies
• Thermal, Electrostatic, and Eelctromagnetic EP Concepts
• Ion and Hall Effect Thrusters

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• Week 7

• Lecture 18, February 23 2022
  • Worked OrbitTransfer Example
  • Nuclear Propulsion
  • Other Advanced Forms of Propulsion
  • Review of Nozzle Theory
  • Rocket Performance Parameters
    • Isp, CF, Cstar

• Lecture 19, February 25 2022 (Virtual)
  • Review of Nozzle Theory
  • Rocket Performance Parameters (continued)
    • Isp, CF, Cstar, Maximum_Isp
  • Non-Ideal Correction factors
  • Space Shuttle SSME Calculation Example

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