Teaching at Washington University    

Process Control ChE462 (2008, 2009, 2010, 2011, 2012, 2013, 2014)

Bioprocess Engineering ChE453 (2013, 2014)

Fluid Mechanics Transport 1 ChE367 (2013, co-teaching)

Metabolic Engineering ChE596 (2010, 2011, 2012)

International Experience EECE401 (2012 in Brazil, co-teaching)

Advanced Energy Lab EECE439 (2011, co-teaching)


Classes in 2014   

ChE 462 - Chemical Process Dynamics and Control  (Aug 25~Dec 12)

 Topics: steady and unsteady-state behavior of chemical processes; fundamental feedback and feedfoward control strategies; modern control theory and applications; process modeling and problem solving with Excel, MATLAB and Simulink.  

Class Time                     9 – 10 MWF (Green Hall 0160)

Help session                   7 – 8 pm   (Tuesdays)                                                

Computer Lab                Urbauer 218

Instructor Office Hours:   10:00–11:00 Monday, Wednesday and Friday  

Teaching Assistant:         He Jing, Brauer Hall 3044;  Email: he.jing@wustl.edu ;

                                      Whitney Hollinshead,  Brauer Hall 1044; Email: whollinshead@wustl.edu  ;

TA Office hours:             2:00–5:00 pm (He, Wednesday);    2:00–5:00 pm (Whitney, Thursday)


Class Outline


Modeling of Chemical Processes   HW 1.1; 1.2; 1.4; 1.7; 2.3; 2.7; 2.13; 9.1; 9.2; 9.10; 10.3, Due on Sept 5

Laplace Transform    HW: 2.16; 2.17 (Optional,  0.5 bonus point); 3.2; 3.6; 3.11;  Due on Sept 12

Transfer Functions    HW: 3.4; 3.5; 3.13 (a, b, c); 3.15; 4.2, 4.3; Due on Sept 19

Dynamic Responses  HW:  3.16; 3.19; 4.5, 4.8, 5.2, 5.4; Due on Sept 26

Complex Dynamics   HW: 5.6, 5.12, 5.14; 5.24; 5.27; 6.2; Due Oct 3

PID control              HW: 6.14; 6.23(a,b,c); 7.9; 8.3; 8.6; 8.15 Due on Oct 10   

Block diagram  (Midterm Oct 15)

Controller tuning       HW7: 6.16; 8.2; 8.12; 11.1, 11.3, 11.7, 11.10. Due on October 24

Frequency response/Advance control     HW8: 11.14, 11.27(a, b), 12.1, 12.3 (a, b), 13.1, 13.2, 14.1, 14.3, 14.4, 15.5 (a,b); 16.2 (a).  Due on November 5


***********Computer Lab (November 5~Dec 1, Urbauer 218)*************************

Computer Lab 1:   Project 1 (Due Nov 17)

Simulink tutorial   

Computer Lab 2:   Project 2 (Due Nov 24)

Project 3  (Due on Dec 5) Excel data


Field Trip to Wood River Refinery - Phillips 66 (8~11am, Dec 9)



Final Exam Coverage (Dec 12, 8am~10am).

1.Dynamics of first order and second order process (including time delays)

2.Determine the process features based on the roots of characteristic equation

3.Draw and analyze systems using block diagram

4.Develop transfer functions based on block diagram

5.Stability analysis, process safety and Ruth array

6.P-I-D control features (deadband/windup/kick/offset)

7.PID control tuning and design

8.Feed forward and cascade control

9.Frequency responses

10.Simulink and MATLAB questions





Bioprocess Engineering ChE 453

Classroom: Green Hall L0160 (Classes during March 18~April 1 will be in the computer lab)

Schedule: Tuesday and Thursday: 10~11:30 am (Journal club: In each class, one student will have a ten-minute presentation at the beginning of the class)

Yinjie Tang (Instructor) Email: yinjie.tang@seas.wustl.edu Office: Brauer Hall 1025 (Phone:314-935-3441) Office Hours:   11:30–1:30 Tuesday and Thursday TA:  Ray Henson (Computer Lab Instructor)

Homework 1: Text book: 1.2, 1.3, 2.2, 2.4; 2.5; 2.6; 2.8; 2.12; 2.16; 3.1

Homework 2: Text book: 3.2, 3.5, 3.9, 3.17, 4.2, 4.3, 4.4       Due on Feb 6

Homework 3: Text book: 5.6.; 5.7; 5.9; 5.11; 6.1; 6.5; 6.9; 7.2; 7.4  Due on Feb 20  

Homework 4: Due on April 22nd.

Homework 5: Textbook: 11.2 and 11.3; 12.3, 12.4, 12.5, 13.3, 14.8. Due on April 24th.


Fall, 2013 (I teach two undergraduate classes)

Process Dynamics and Control ChE462

Class Room Rudolph 203; Time: 9am ~ 10am (Monday, Wednesday and Friday)

Help session:  Green Hall 0159  (7pm – 8pm;  Tuesdays, Sept.10 ~ Nov. 5)

Instructor Office Hours (Brauer  Hall 1025):10:00–11:00 (Mon, Wed and Fri)

TA: Cheryl Immethun; Email: cheryl.immethun@wustl.edu; Office hours:4:30–6:00 pm, Tue and Thur (Brauer Hall 3046)

Useful Links: http://www.wolframalpha.com/   ; http://eqworld.ipmnet.ru/     



Fluid Mechanics (Transport 1, ChE367)

Tuesday and Thursday from 1pm-2:30pm (Classroom: Lopata 101); Office Hour (Brauer Hall 1025, 4~5pm, Monday)

Help Session: Brauer Hall 3015, 5:30pm-6:30pm Tuesday; Brauer Hall 3014, 5:30pm-6:30pm Wednesday

 TA: Chris Oxford: Ph(314-935-7970), Email: coxford@wustl.edu; Mike Kuan-Yu Shen: Ph(314-935-7563), Email: kys9466@gmail.com

Class notes:  Part 1Part 2; Part 3

Course Coverage

9-3-2013 and before: Laminar  vs  turbulent flow; Reynolds number: Flow transition criteria; Friction factor: Darcy and Fanning definitions; Pipe roughness parameter; Friction factor charts: Some mathematical representations of the same; Pipe flow pressure drop calculations for a given flow; Pipe flow rate calculations given a pressure drop; Concept of fully developed flow; Relation between wall shear stress and pressure drop for a fully developed flow  

9-5-2013: Newtonain vs non-Newtonain fluids; Bulk modulus; Speed of sound Mach number; Incompressibilty criteria; Surface tension; Contact angle; Level rise in a capillary; Laplace-Young equation; Pressure inside a bubble; Normal vs shear stress; Pressure as a scalar: Pascal’s law Equation of hydrostatics

9-10-13: Archimedus principle; Pressure variation in a column of gas; Pressure variation in a column of liquid; Pressure force on a plane surface; Center or pressure concept; Pressure force on a curved surface

9-12-13: Linear acceleration; Rigid body rotation; Compressible gas pressure with depth; Resultant force on a plane surface

9-17(19)-13: Newton second law; Streamlines in steady flow; Streamwise acceleration Normal acceleration; ;Newton’s law along a streamline; Bernoulli equation; Newton’s law normal to a streamline; Stagnation point and pressure  

9-24-13 : Pressure profile in a tornado; Continuity equation; Pitot tube analysis; Free jet and draining of a tank; Flow meter equation; Sluice gate equation; Use of head balance; Head due to turbine or pump; Head due to friction   

9-26-13 : Modified Bernoulli equation; Sudden expansion; Cavitation; Bernoulli for unsteady flow; Acceleration of a fluid particle: General derivation; Streamline calculation for 2-D steady state flows

10-1-13 : Oscillating manometer; Bernoulli for compressible fluids; Example: Working rate needed for a compressor; Macroscopic momentum balances; Sudden expansion revisited      

10-3-13 : Jet flowing along a vane; Rocket acceleration analysis; Sluice gate momentum balance; Momentum correction factor; Angular momentum balance

10-8-13: Macroscopic balances examples    

10-10-13 : Angular momentum: Examples; Energy equation; Converging-diverging nozzle

10-17-13 (Midterm in class, Open notes)

10-22-13: Velocity field, Eulerian and Lagrangian flow description, streakline/pathline/streamline, Steady flow

10-24-13: Acceleration field and unsteady effects, Concept of streamline coordinates

10-29-13: Reynolds Transport Theorem, Fluid element motion and deformation, Volumetric dilatation, Angular motion and fluid rotation/irrotation, Conservation of mass and continuity equation

10-31-13: Continuity equations for incompressible fluid, Cylindrical coordinate, Stream function/Streamlines,  Conservation of linear Momentum (Euler's Equation of motion), The concept of the Navier-Stokes equation, Bernoulli Equation, Simplification of Navier-Stokes equation.

11-5-13: Velocity potential, Laplace equation, Source-sink pair, Simple solutions for fluids, Assumption of Bernoulli equation

11-12-13 : Model simplification via dimensionless variables, Re number, Froude number

11-14-13: Pipe flow, Laminar and Turbulent flow (By Chris)

11-19-13: Poiseuille's Law, Fully developed flow, Laminar flow pressure drop, Turbulent flow shear stress, Viscous sublayer, Dimensional Analysis of pipe flow

11-21-13: Turbulent velocity profiles (three regions), Turbulent pressure drop, Roughness, Major and minor head loss, Modified Bernoulli equation, Moody chart, Flow rate Measurement (orifice or nozzle meter)

11-26-13/Dec-3-13: Laminar and turbulent flow over immersed bodies; Life and Drag coefficients; Boundary layer definitions, Boundary layer separation, Effect of Re on Drag, 





WUSTL and MSU are working together to improve teaching in systems biology.

Dolan KD, Tang YJ, Liao W “Improvement of Bioengineering Courses through Systems Biology and Bioprocess Modeling”. 121 Annual conference of American Society for Engineering Education. Indiana. 2014. 

http://www.asee.org/public/conferences/32/registration/view_session?session_id=3412   (if the link does not work directly, you can copy and paste it into a new window).


We shared Class Materials with Dr. Wei Liao and Dr. Kirk Dolan from Michigan State University. More MATLAB lectures can be found at the website below: