MAE 6530 - Propulsion Systems II

Links to Recorded Lectures, Fall 2022

Week 1

Lecture 1, August 29, 2022 (1 - hr, F2F)
- Course Overview
- Introduction to the Method of Characteristics.
- Unit Processes
- M.O.C Algorithm Development Via the "Running Method".
- "Running Method" You Tube Link. https://www.youtube.com/watch?v=4fwiKjwDQMg
  - Zoom Recording
  - https://usu-edu.zoom.us/rec/share/ftgeR5MN347pWrmSaOL2NiOmqe4Rr3vX5amfMwGKcJhxAY7UsOe9ZF72P7DAoYiB.iJlxfIvCwXG9BsqY
  - Aug 29, 2022 03:30 PM Mountain Time (US and Canada) ID: 889 1858 5703

Lecture 2, Aug 31, 2022 (1.5 - hr, F2F)
- M.O.C Algorithm Development Via the "Running Method" (Concluded)
- Calculation ExampleMinimum Length Nozzle Example
- Minimum Length Conical nozzle and the "2/3rds" Rule.
  - Homework 1 Assignment
  - Zoom Recording
  - https://usu-edu.zoom.us/rec/share/TbrnnLZ_jXh1KP3Ga4UBgvXT8c8HCM1v3d9RwhmIJMr7BILke2loMmrfSvShBdrm.4l8xQyHINH3e3HHr
  - Aug 31, 2022 03:29 PM Mountain Time (US and Canada) ID: 817 3594 5076

Week2

Lecture 3, September 7, 2022 (1.5 - hr, F2F)
- M.O.C Review
- Review of Ambient Pressure Effects on Nozzle
- Introduction to Aerospike Nozzle Design Using M.O.C.
- Zoom Recording
  - https://usu-edu.zoom.us/rec/share/laCO4bwwlcZ-COoAp6beJ6j0uKHQAX4FulMqjldDdDPWCPcYauG-8UrMvpGP7McH.R9LrPTJxIykIDCgd
  - September 7, 2022 03:29 PM Mountain Time (US and Canada) ID: 817 3594 5076

Week3

Lecture 4, September 12, 2022 (1 - hr, Virtual)
- M.O.C examples
- Spike "Prescription" Agorithm
- Calculating the Design Condition Thrust
- Zoom Recording
  - https://usu-edu.zoom.us/rec/share/7qo65GJnwjJ31Rjl70FQiapUMUdrUYItNm5W0TF9ZuS7iSJxGnepcHPSCGhaxwxP.iDFkdbOeRgrFU90g
  - September 12, 2022 03:29 PM Mountain Time (US and Canada) ID: 889 1858 5703

Lecture 5, Sept 14, 2022 (1.5 - hr, F2F)

Homework 1.2, M.O.C. Minimum Length Nozzle, Review and Analysis
Homework 2 review

Example Aerospike Calculations
Off Design Operating Properties --> Underexpanded
Applications and Examples,Comparison to Minimum Length Nozzle
High Expansion Ratio Nozzles
Zoom Recording
- https://usu-edu.zoom.us/rec/share/_x5gH2sDrgQ9E6grqJJzgri7Y7ocxtZjPu3p_e3rQY0asEo66xCiYq8QUweX-q-e.Zy-PuNk8Yxz6CwjY
- September 14, 2022 03:29 PM Mountain Time (US and Canada) ID: 817 3594 5076

Week4

Lccture 6, September 19, 2022 (1 - hr, virtual)

Base Drag Characteristics
- Overexpaned (Open Wake)
- Design and Underexpanded (Closed Wake)
Zoom Recording
- https://usu-edu.zoom.us/rec/share/h47-2R4XmujK8zdgdK6Rqlg8OeNFULy6WXkXot6M07XudvLIDgpJ5nlg91VV9o1M.FwrBpJ5t5Y5yiAWO
- September 19, 2022 03:29 PM Mountain Time (US and Canada) ID: 889 1858 5703

Lecture 7, September 21, 2022 (1.5 - hr, virtual)

Homework 1.2 Solution Review
HomeWork 1.3 Preview
- Rs-27A Aerospike Replacement Example
Zoom Recording
- https://usu-edu.zoom.us/rec/share/VCMiac92bLT7e4g1-nuSP0FNR52iAzd8uqfhb-YOhz0DebS93XzZYq0opB0yJ6wB.LiBUt4wASeR9Uya2
- Sep 21, 2022 10:56 AM Mountain Time (US and Canada) ID: 871 9076 1455

Week5

Lecture 8, September 26, 2022 (1.0 - hr, Virtual)
- Hybrid Rocket Systems Overview
- Hybrid, Pro's and Con's
- Hybrid Rocket Combustor Ballistic Equations
  - Regression Rate Modeling
  - Wall Blowing and the "air hockey" effect
  - Reynolds Analogy
  - Zoom Recording
    - https://usu-edu.zoom.us/rec/share/hHxiYaeDrLzZpfyDrXCNeDj2almmWc-3XRZN7FJFtFkSGD0zQf3Y6cPzay3XHTMN.bHbKGapiy1GP3ASW
    - Sep 26, 2022 3:30 PM Mountain Time (US and Canada) ID: 889 1858 5703
Lecture 9, September 28, 2022 (1.5 - hr, F2F)
- Hybrid Rocket Combustor Ballistic Equations
  - Reynolds Analogy
  - Blasius Skin Friction law
  - Collected Hybrid Rocket Algorithm
- O/F Shift in Hybrid Rocket Motors
  - Zoom Recording
    - https://usu-edu.zoom.us/rec/share/tePTXkTJylvBRd8wivieQ_rUReRFGaJaUA4bBv6M4H9yCC2cDyjbksVOVkLSYjAs.F4c3wStXVK1VkIvm
    - Sep 28, 2022 03:19 PM Mountain Time (US and Canada) ID: 817 3594 5076

Week 6

Lecture 10, October 3, 2022(1.0 - hr, Virtual)

Aerospike Homework Assignment Review
Hybrid Rocket Combustor Ballistic Equations (continued)

Collected Hybrid Rocket Algorithm, Review
O/F Shift in Hybrid Rocket Motors, Review
Zoom Recording
- https://usu-edu.zoom.us/rec/share/sGj17pmc6IonD0Jwl45FcSuDblfxM8q8k6nV9gn0GS4WqNo07EbyYbQX1c-nr7ub.oOYp4v24usmPDfFu
- October 3, 2022 3:30 PM Mountain Time (US and Canada) ID: 889 1858 5703

Lecture 11, October 5, 2022 (1.5 - hr, F2F)
- Hybrid Ballistic Example Review
- Accounting for the Effects of Total Massflux on Regression Rate
- Hybrid Assignment Review
  - Zoom Recording
    - Lecture 11, Zoom Recording (Local)
  - October 5, 2022 3:30 PM Mountain Time (US and Canada)

Week 7

Lecture 12, October 10 2022 (1 - hr, virtual)
- Throttling Overview
  - Variable Pressure
  - Variable Injector
- Hybrid Rocket Throttling Introduction
- Zoom Recording
  - https://usu-edu.zoom.us/rec/share/iwFB_tpv8xpbhJ21HWTbukEcyHjDzqR5d6z7XhphMWjq6nH-98F-EVzRjuBH7z0t.cKMjYmJDyVmcaaW5
- October 10, 2022 3:30 PM Mountain Time (US and Canada)
Lecture 13, October 12, 2022 (2-hr F2F)
- Incompressible Hybrid Hmework, Introduction
- Digital Throttling of a Hybrid Rocket, Concluded
  - Example data presentation
  - Throttling Videos
  - Zoom Recording
    - https://usu-edu.zoom.us/rec/share/LHccNgO_KiP2mIuhelEVyhPrh7gctUAhuDn-8n4UD05HQ3VKnDQ9APslBGU60Rb4.XJy-yd-RnqaaoBm7
  - October 12, 2022 3:30 PM Mountain Time (US and Canada)

Week 8

Lecture 14, October 17, 2022 (1 - hr, Virtual)
- Homework 1.3 Solution Review
- Incompressible Injector Equation
- Pousielle Flow
  - Direct Calculation of Discharge Coefficient
  - Sample Calculations
  - Zoom Recording
    - https://usu-edu.zoom.us/rec/share/71WdEi2jxg1DBUH3YqgMdiB6p0w0-MXGOwJc8ItuaT_Ug9VEsWyJdXTnHxD9qsSF.erVqUOkFLvPZNuSb
    - October 17, 2022 3:30 PM Mountain Time (US and Canada)
Lecture 15, October 19, 2002 (1.5 hr F2F)
- Injectors, Corrrection for Compressible Flow
  - Subcritical Flow
  - Supercritical (Choked) Flow
  - Discussion of Injector Feed Coupling
  - Topic: MAE 6530, Part 2
    Start Time: Oct 25, 2022 03:26 PM
- Injectors, Corrrection for Compressible Flow (Revisited)
- Compressible Bernoulli Equation
  - Corrrection for Compressible Flow
    - Subcritical Flow
    - Supercritical (Choked) Flow
  - Calculation for the Incompressible Cv, Cd from ASME ASM-14M-2001
  - Examples Calculations for ...
    - Stagnation Pressure
    - Massflow
    - Reynolds Number
    - Cv_inc
    - Cd_inc
    - Cd_compressible
  - Zoom Recording
    - https://usu-edu.zoom.us/rec/share/puTJsPEtPjNJDqWneKilh4C-nsqz4shH5NFpHpVIBXvlmYPAvP6exUK1H7jGotQ6.TigR5QyhXSfLelfw
    - October 19, 2022 3:30 PM Mountain Time (US and Canada)

Week 9

Lecture 16, October 24, 2022 (1.0 - hr,Virtual)

Incompressible Hybrid Project 1 Review
- Example Calculations
Compressible Hybrid Project 2 Preview
- Zoom Recording
  - https://usu-edu.zoom.us/rec/share/Y8ljJhvN9q5BfddIUmXzXwMAlPLc3BizUgq1yhI1W7fmzDxVRL6_juEkkQ7z3Wqx.yFpXpO23YI34aTbl
  - October 24, 2022 3:30 PM Mountain Time (US and Canada)

Lecture 17, October 26, 2022

Introduction to Airbreathing Topics
Operations Envelope for Various Flight Vehicles
Airbreathing Propulsion Basics
Brayton Cycle for Airbreathing Combustion
- Idealized Thermodynamic Model of Turbojet Engine
Jet Engine Performance Parmeters

Propulsive Efficiency
Thermal Efficiency
Total Efficiency
Specific Thrust of Air Breathing Engine
- Air to Fuel Ratio Computations
- Equivalence Ratio versus Mixture Ratio
- Lean Burning: Why an Afterburner Works
Thrust Specific Fuel Consumption
Breguet Aircraft Range Equation
- Comparison to Rocket Equation
HW 4.1 Assignment Preview
- Zoom Recording
  - https://usu-edu.zoom.us/rec/share/4oF8hgySBTVHspLaYdZW5OY0zNWmyV9dcZfJcXs5hV0UtdQDTO7J1LzFPhnmBh5U.gSF5PAuy32UC-P_4
  - October 26, 2022 3:30 PM Mountain Time (US and Canada)

Week 10

Lecture 18, October 31, 2022 (1 - hr, virtual)
- Example Problem 4.1 review (pdf)
- Introduction to Ramjet Cycle
  - Ramjet as a Braytn Cycle
  - Thermal Efficiency of a Ramjet
  - Zoom Recording
    - https://usu-edu.zoom.us/rec/share/TsfbO8zCK88BRETPxfX_WIn5XG8OFk4DtXRXrZjGuEKQoGmFZgk5oPTgkqFmOk0G.tpan61ADMcLtYi2j
    - October 31, 2022 3:30 PM Mountain Time (US and Canada)
Lecture 19, November 2, 2022 (1.5 - hr, F2F)

Turbojet as an Alternative Propulsion Cycle
- Turbojet Analysis Station Definitions
- Turbojet as an Idealized Brayton Cycle
Normalized Thrust, Isp of an Idealized TurboJet

Turbojet Parametric Model
- Turbojet Cycle example calculation
- Zoom Recording
  - https://usu-edu.zoom.us/rec/share/FHyT1RREV7_U4bWIrWgvT3D3BbGt248ljPXGxsmQMI3GWkJrALjPa56x5yHPGqw.-_ZsDmLUlqWz4zzx

Week 11

Lecture 20, November 7, 2022 (1 - hr, Pre-recorded)
- Homework 3.1, 3.2 Review
  - Zoom Recording
    - https://usu-edu.zoom.us/rec/share/394mTrqOSGMQqEbPuEaUU2ggnpjeCyLoZTUGxLxRvNlgnjhIjEsOasBZ5I1i1YjH.javR98ERbdGE7q15
    - November 6, 2022 83:30 PM Standerd Mountain Time (US and Canada)
Lecture 21, November 9, 2022 (1.5 - hr, virtual)
- Turbojet Parametric Model Review
- Turbojet Massflow Matching Conditions
- Matching Conditions Review
- Effect of Afterburner on Matching Conditions
- Example Problem
  - HW 5.2 Preview
  - Zoom Recording
  - https://usu-edu.zoom.us/rec/share/mvuTBcz1PdBNd3IoMmJwjIfMwPBmGekJybdj5tsqITbDHU9qK72x-lvwmy7KUYtv.fQKtVCAd9PIx1jIW
    - November 9, 2022 83:30 PM Standard Mountain Time (US and Canada)

Week 12

Lecture 22, November 14, 2022 (1 - hr, virtual)
- All About Compressors
- TurboJet Operating Line
- Compressor Map
  - Corrected Massflow and Rotor Speed
  - Stall/Surge Line
  - Choking Line
  - Surge Margin
  - 2-Spool Compressor Design
- TurboJet Operating Line (Review)
  - Zoom Recording
    - https://usu-edu.zoom.us/rec/share/pNSUblGwdCjPmMGP_vnSDridU5HvXyQp7EGxoscZtJd7WjL17W0m-5nROvN8b7r0.w_9GNoj6N-BGm52A
    - November 14, 2022 83:30 AM Standard Mountain Time (US and Canada)
Lecture 23, November 16, 2022 (1.5 hr - F2F)

2-Spool Compressor Design
Effect of Throttle on Compressure Demand, Inlet Area

Supersonic Inlet Operation
- Subcritical
- Critical
- Supercritical

End-to_End Calculation Example
- Zoom Recording
  - https://usu-edu.zoom.us/rec/share/reFk74jPRXTT_5sylOT8XLALVo_eKnTTWxYFYloc33ab1hhpgwOTGq7niONX8Lgg.hfdbewIkDzKcK7l1

Week 13

Lecture 24, November 21, 2022 (1.5 hr - Virtual)

HW 5.1 Preview
- Zoom Recording
  - https://usu-edu.zoom.us/rec/share/suFAycV31_F_eAaBor9qvC00uQ5LnTj2zVHtyXGtd7RdCVaMc4azsCZLulkIxeDi.ZEIkmVwNtwoJH3VD

Thanksgiving Break!

Week 14

Lecture 25, November 28, 2022 (1 hr F-2-F)]
- Non-Ideal Operating Conditions
  - Effect of Burner Exit Mach Number
  - Compressor/Turbine Efficiencies
    - Polytropic expansion correction
- Introduction to Turbofan cycle
  - Thrust Decomposition for Core and Bypass Flows
  - Turbine and Fuel/Airflow Matching Conditions
  - Zoom Recording
    - https://usu-edu.zoom.us/rec/share/tYhgjyVKqWZQYFpe7Gts6OeADcFYsF23hRDF2kkgpd9kH6j8VZ0CBhQ_DZSw1ECA._OrHCcmTxym31KYg
    - November 28, 2022 3:30 AM Standard Mountain Time (US and Canada)
Lecture 26, November 30, 2022 (1.5 - hr, F2F)

Turbofan Cycle Review
Example Problem, Effect of Bypass Ratio
Optimal Bypass Ratio Analysis
HW 6.1Assignment
Zoom Recording
- https://usu-edu.zoom.us/rec/share/GcWHSAM2qmZQ90JuKhQ3tlthOKJlLJfkbECTQidLb1PlilU1x3vOEY-1e1tlXzuq.vfAxK9MS0yAt8Otp
- November 30, 2022 3:30 PM Standard Mountain Time (US and Canada)

Week 15

Lecture 27, December 5, 2022 (1.5 hr F-2-F)
- Homwork 6.1 Preview
- Introduction to SCRAMjets
- Inlet Design Conditions
- Shock Waves Reflected from Solid Boundary
  - Example Calculations
  - P-Theta Diagrams
  - Refracted Shock waves .. Intersection of the Shock Waves from Opposite Families
  - Zoom Recording
    - https://usu-edu.zoom.us/rec/share/Dq0rRK63rvEEc_MCBffjiVIE0nR5Y5YpuXFtflJz9y0lhuAGNSveRpvWSGGtPgT6.nAX24isamDNV-03J
    - December 5, 2022 3:30 PM Standard Mountain Time (US and Canada)
Lecture 28, December 7, 2022 (1.5 hr F-2F)
- Homework 5.1 review
- Inlet DesignTools revisited
  - Zoom Recording
    - https://usu-edu.zoom.us/rec/share/EiWwJCf0diTtq7ykwxWgzw3CN0Q-uDXhfg7mEjBc7pBQvA5y1WuPeWMHG3vRyb0n.2lgaCbQRBnb4rTfg
    - December 7, 2022 3:30 PAM Standard Mountain Time (US and Canada)

MAE 6530 - Propulsion Systems II

Links to Recorded Lectures, Fall 2022

Week 1

Week2

Week3

Week4

Week5

Week 6

Week 7

Week 8

Week 9

Week 10

Week 11

Week 12

Week 13

Thanksgiving Break!

Week 14

Week 15

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