Why Learn Control TheoryBrian Douglas - Open on YouTubeShort case for what control engineering is for, matching the motivation part of the lecture.
Videos
79 free videos picked to match the lectures, from channels such as LearnChemE, Brian Douglas, The Efficient Engineer and Jeff Hanson. They are a second explanation, not a replacement for the slides. The video player loads from YouTube only when you press play.
ENGR5001 Control and Robotics
Week 1 - Part 1 - lectures 1-2
Introduction to control and why we model
- Control Systems Lectures - Closed Loop ControlBrian Douglas - Open on YouTubeOpen loop vs closed loop and the plant / controller / feedback block diagram used all module.
- Everything You Need to Know About Control TheoryMATLAB - Open on YouTubeA map of the whole subject (models, feedback, stability, design) that lines up with Parts 1 to 5.
Mechanistic models and the harmonic oscillator
- Modeling Physical Systems, An OverviewBrian Douglas - Open on YouTubeData-based vs physics-based (mechanistic) models, the same split the lecture starts with.
- Example Second-Order ODE: Spring-Mass-DamperSteve Brunton - Open on YouTubeDerives and solves the mass-spring-damper equation from Newton's second law, step by step.
- Mechanical Vibrations: Underdamped vs Overdamped vs Critically DampedDr. Trefor Bazett - Open on YouTubeWhat the damping term does to the response, which leads into the generalised 2nd order model.
ENGR5002 Fluid Mechanics and Mass Transfer
Week 1 - Fluids at rest - properties, pressure, hydrostatic forces
Introduction - continuum, fluid definition and density
- Fluid Mechanics: What is a Continuum? (Knudsen Number)Jessica Kabigting - Open on YouTubeThe continuum hypothesis and the Knudsen number in three minutes.
- Understanding ViscosityThe Efficient Engineer - Open on YouTubeWhy a fluid keeps deforming under shear while a solid does not, with clear animations.
- Density and Specific Gravity (Fluid Mechanics - Lesson 1)Strong Medicine - Open on YouTubeDensity, specific weight and relative density (specific gravity) with worked numbers.
Pressure and its measurement
- Hydrostatic Pressure (Fluid Mechanics - Lesson 3)Strong Medicine - Open on YouTubeDerives p = rho g h and gauge vs absolute pressure.
- How to solve manometer problemsEngineer4Free - Open on YouTubeThe step-through-the-tube method for manometers that exam questions use.
- Compound manometer example problemEngineer4Free - Open on YouTubeA harder multi-fluid manometer worked in full.
Hydrostatic forces on submerged surfaces
- Fluid Mechanics: Topic 4.1 - Hydrostatic force on a plane surfaceCPPMechEngTutorials - Open on YouTubeResultant force and centre of pressure on an inclined plane surface.
- Solved Example: Hydrostatic Forces on a Vertical GateFluid Matters - Open on YouTubeA gate question like the ones on past papers, solved start to finish.
- Analysis of Hydrostatic Forces on Plane SurfacesFluid Matters - Open on YouTubeThe full derivation, including the second moment of area term, if you want the why.
ENGR5003 Thermodynamics and Heat Transfer
Week 1 - Thermodynamics
Basic concepts, processes and cycles
- Open and Closed SystemsLearnChemE - Open on YouTubeSystem, boundary and surroundings; closed vs open systems.
- Heat Engines, Refrigerators, and Cycles (Crash Course Engineering 11)CrashCourse - Open on YouTubeWhat a thermodynamic cycle is and why it matters for engines, before the detail.
First law of thermodynamics
- Introduction to First Law: Closed SystemLearnChemE - Open on YouTubeThe closed system energy balance Q - W = delta U and its sign convention.
- Introduction to First Law: Open SystemsLearnChemE - Open on YouTubeExtends the balance to a control volume, setting up the steady flow energy equation.
- The First Law of Thermodynamics: Internal Energy, Heat, and WorkProfessor Dave Explains - Open on YouTubePlain overview of heat and work as energy transfers, good as a first watch.
Second law, entropy and exergy
- Second Law of ThermodynamicsLearnChemE - Open on YouTubeThe statements of the second law and entropy generation, short and exact.
- Reversible Processes and Carnot Cycle in 12 MinutesLess Boring Lectures - Open on YouTubeReversibility and the Carnot limit on efficiency that the lecture uses.
- Mechanical Engineering Thermodynamics - Lec 11, pt 1: Exergy - IntroductionRon Hugo - Open on YouTubeExergy as the maximum useful work, relative to a dead state at T0.
Week 2 - Thermodynamics
Steady flow energy equation - nozzles, diffusers and gas turbines
- Flow Work and Energy Conservation in Open Systems in 11 MinutesLess Boring Lectures - Open on YouTubeWhere the pv flow work term comes from and how it turns u into h in the SFEE.
- Thermodynamics - 5-3 Energy analysis of steady flow devicesEngineering Deciphered - Open on YouTubeNozzles, diffusers, turbines and compressors with the SFEE simplified for each.
Throttling and charging / discharging I
- Energy Balance on a Throttling FluidLearnChemE - Open on YouTubeShows why a throttle is isenthalpic (h1 = h2).
- Throttle Temperature ChangeLearnChemE - Open on YouTubeWhy real gases cool through a valve while an ideal gas would not.
- Unsteady-State Energy Balance (Filling an Empty Tank)LearnChemE - Open on YouTubeThe classic charging problem - why the gas in the tank ends up hotter than the supply.
Charging / discharging II
- Thermodynamics - 5-5 Energy Analysis of Unsteady Flow processesEngineering Deciphered - Open on YouTubeMass and energy balances for unsteady flow, set up the way the lecture does.
- Transient Unsteady-Flow Systems in Thermo in 9 MinutesLess Boring Lectures - Open on YouTubeQuick recap of the uniform-flow assumptions and the general equation.
- Thermodynamics: Worked example, Charging a tankCPPMechEngTutorials - Open on YouTubeA full charging example, close to ENGR217 2024 B2.
Week 3 - Thermodynamics
Real gases
- Non-Ideal Gases and the Van der Waals EquationProfessor Dave Explains - Open on YouTubeWhat the a and b constants correct for in the van der Waals equation.
- The Compression Factor, Z, and Real GasesBrainy Nerd Tutor - Open on YouTubeThe compressibility factor Z = pv / RT and how to read deviations from ideal.
Steam tables
- How to Use Steam TablesLearnChemE - Open on YouTubeWhich table to use (saturated, superheated, compressed) and how to read it.
- Steam Tables: Calculating QualityLearnChemE - Open on YouTubeDryness fraction x and mixture properties in the wet region.
- T-v Diagrams and Property Tables for Thermodynamics in 13 MinutesLess Boring Lectures - Open on YouTubeThe T-v diagram with its one point, two lines and three regions, tied to the tables.
Steam tables tutorial
- Steam Tables: InterpolationLearnChemE - Open on YouTubeLinear interpolation between table rows.
- How to Read Steam Tables - 5 Interpolation Example ProblemsBrian Bernard - Open on YouTubeFive practice look-ups, good to try before the tutorial sheet.
- Double Linear Interpolation (Steam Tables)ChBE Clemson - Open on YouTubeDouble interpolation in the superheated table, which the lecture flags for the exam.
Week 4 - Thermodynamics
Reciprocating engines I - Otto and Diesel cycles
- Otto Cycle and Internal Combustion Engines in 10 MinutesLess Boring Lectures - Open on YouTubeThe air-standard Otto cycle and why its efficiency depends only on compression ratio.
- Thermodynamics Diesel Cycle in 10 MinutesLess Boring Lectures - Open on YouTubeConstant pressure heat addition and the cut-off ratio.
- Otto Cycle - Easy AnimationEarthPen - Open on YouTubeAnimation linking the piston strokes to the p-V diagram.
Reciprocating engines II - dual cycle and indicator diagrams
- Thermodynamics - Dual Combustion Cycles in 6 MinutesLess Boring Lectures - Open on YouTubeThe dual cycle as a better model of a real diesel engine.
- RICE3 4-stroke spark ignition engine in an indicator diagramThermocube - Open on YouTubeThe figure-of-8 indicator diagram and the pumping loop you subtract.
- The Best Way To Compare Car Engines - BMEPEngineering Explained - Open on YouTubeBrake mean effective pressure explained with real engine numbers.
Engine performance and jet engine analysis
- If You Understand Volumetric Efficiency You Understand Enginesdriving 4 answers - Open on YouTubeVolumetric (breathing) efficiency, one of the three efficiencies in the worked question.
- How Jet Engines WorkAnimagraffs - Open on YouTubeThe parts of a jet engine before you analyse the lab data.
- Turbojets: Thermodynamics for Mechanical EngineersMike Schertzer - Open on YouTubeTurbojet cycle analysis station by station, useful for the jet engine lab report.
Week 5 - Thermodynamics
Gas turbine cycles
- Ideal Brayton Cycle Explained in 11 MinutesLess Boring Lectures - Open on YouTubeThe Brayton cycle, pressure ratio and back work ratio.
- Thermodynamics Rankine Cycle in 10 MinutesLess Boring Lectures - Open on YouTubeThe steam (Rankine) cycle on T-s axes, also covered in this lecture.
- How a gas turbine worksGE Vernova - Open on YouTubeShort look at a real power-station gas turbine.
Turbochargers and heat exchangers
- Regeneration, Intercooling, and Reheating in 13 MinutesLess Boring Lectures - Open on YouTubeHow each modification changes the Brayton cycle efficiency and work.
- Brayton Cycle with RegenerationRegina Vrikkis - Open on YouTubeWorked regeneration example and when a regenerator helps (T4 above T2).
- How a turbocharger works (Animation)Thomas Schwenke - Open on YouTubeThe physical layout of a turbocharger.
Review and tutorials - cycles
- Example: solving an ideal Otto cycleJeff Harris - Open on YouTubeFills in the state table for an Otto cycle, like tutorial Question 1.
- Mechanical Engineering Thermodynamics - Lec 18, pt 1: Problem Solving Tips - Otto CycleRon Hugo - Open on YouTubeA method for cycle questions so you do not lose marks on the states.
- Otto Cycle Thermal Efficiency Example in 3 MinutesLess Boring Lectures - Open on YouTubeQuick efficiency check from compression ratio.
ENGR5004 Engineering Mechanics
Week 1 - Statics sessions 1-2, Dynamics sessions 1-2
Statics session 1 - design criteria and stress
- An Introduction to Stress and StrainThe Efficient Engineer - Open on YouTubeNormal and shear stress, strain and the stress-strain curve in one clear pass.
- Mechanics of Materials: Lesson 2 - Normal Stress, Review of UnitsJeff Hanson - Open on YouTubeAverage normal stress with examples, a good warm-up for the course.
- Mechanics of Materials Lesson 6 - Factor of Safety Explained with Example ProblemJeff Hanson - Open on YouTubeAllowable stress and factor of safety, the strength design criterion from the lecture.
Statics session 2 - static indeterminacy in axial loading
- Statically Indeterminate Structures in 10 Minutes - Axial LoadingLess Boring Lectures - Open on YouTubeEquilibrium plus compatibility, the method the session uses.
- Axial Loading - Statically Indeterminate Example 1ECUSW - Open on YouTubeA fixed-fixed bar example worked in full.
- Understanding Young's ModulusThe Efficient Engineer - Open on YouTubeReview of E and axial deformation PL/AE.
Dynamics session 1 - rectilinear kinematics of a particle
- Dynamics - Lesson 1: Introduction and Constant Acceleration EquationsJeff Hanson - Open on YouTubePosition, velocity, acceleration and the constant acceleration equations.
- Dynamics - Lesson 2: Rectilinear Motion Example Problem 1Jeff Hanson - Open on YouTubeA worked rectilinear problem using calculus, not just suvat.
- Rectilinear Kinematics: Erratic MotionQuestion Solutions - Open on YouTubeReading s-t, v-t and a-t graphs, a common exam part.
Dynamics session 2 - curvilinear motion, Cartesian components
- Dynamics 06: Curvilinear Motion: Rectangular ComponentsYiheng Wang - Open on YouTubePosition, velocity and acceleration vectors in x, y, z components.
- Dynamics - Lesson 9: Curvilinear Motion Acceleration ComponentsJeff Hanson - Open on YouTubeWorked example differentiating a path to get v and a.
- How to Solve Projectile Motion Problems (Step by Step)Question Solutions - Open on YouTubeProjectile motion as the main application of Cartesian components.
Week 2 - Statics sessions 3-4, Dynamics sessions 3-4
Statics session 3 - Poisson's ratio and multiaxial loading
- Understanding Poisson's RatioThe Efficient Engineer - Open on YouTubeLateral strain and Poisson's ratio with good visuals.
- 08.4 Generalized Hooke's LawIntroductory Engineering Mechanics - Open on YouTubeStrains under multiaxial normal stress, the first generalisation in this session.
Statics session 4 - shear and the general Hooke's law
- Topic 3.5B - Generalized Hooke's Law 3D (Axial + Shear Stress)Solid Mechanics - Prof. Jay Ghosh (IIT Bombay) - Open on YouTubeThe full 3D stress-strain relation with the shear terms added.
- Shear (Rigidity) modulus, shear stress and shear strain explainedeasyedu - Open on YouTubeShort refresher on shear strain and the shear modulus G.
Dynamics session 3 - normal and tangential components
- Curvilinear Motion: Normal and Tangential componentsQuestion Solutions - Open on YouTubea_t = dv/dt and a_n = v^2 / rho with quick examples.
- Dynamics 08: Curvilinear Motion: Normal and Tangential ComponentsYiheng Wang - Open on YouTubeLecture-style derivation of the n-t components.
- Dynamics Lecture: Kinematics using Normal/Tangential CoordinatesUWMC Engineering - Open on YouTubeAnother short worked example to check you can set up the axes.
Dynamics session 4 - polar (cylindrical) components
- Curvilinear Motion Polar CoordinatesQuestion Solutions - Open on YouTubeRadial and transverse velocity and acceleration, including the Coriolis term.
- Dynamics 09: Curvilinear Motion Cylindrical ComponentsYiheng Wang - Open on YouTubeThe derivation of the r and theta components, close to the slides.
- Dynamics: Lesson 11 - Cylindrical Coordinate System ReviewJeff Hanson - Open on YouTubeReview with a worked problem using time derivatives of r and theta.