Teaching at Washington University

Process Control ChE462 (2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017);

Bioprocess Engineering ChE453 (2013, 2014, 2015, 2017);

Fluid Mechanics Transport 1 ChE367 (2013);

Metabolic Engineering ChE596 (2010, 2011, 2012);

International Experience EECE401 (2012 in Brazil);

Advanced Energy Lab EECE439 (2011)



Fall 2017  ChE (401) - Chemical Process Dynamics and Control (Total Credits: 3)    

Topics: steady and unsteady-state behavior of chemical processes; transfer function and block diagram; fundamental feedback and feedfoward control strategies; control design and applications; process optimization; process modeling and problem solving with Excel, MATLAB and Simulink; process data analysis and empirical modeling (e.g., machine learning).   Objectives: after taking this course, students should be able to: 1) understand and apply process control theory; 2) develop and resolve models for chemical processes; 3) analyze and regulate the process dynamics; 4) learn computer skills to solve and optimize process dynamics.


Prerequisites: Math 217 and EECE 201.  

Class Day/Time: 9–10 MWF; Classroom: Lopata Hall 101 M-W-F

Help session: Lopata Hall 101 (8-9 am, Fridays from September 8 to November 10)


Computer Laboratory (Nov 13 ~ Dec 4, Urbauer 222)   


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

Teaching Helper: Deoukchen Ghim. Email: dghim@wustl.edu;  Brauer Hall  1034

           Amy Jiang. Email: jiang.z@wustl.edu ; Brauer Hall 3044 Helper

Office hours: 3:00–5:00 pm (Amy, Thursday/Friday); 2:00–4:00 pm (Deoukchen, Monday)



HW1:  1.7; 2.3; 9.1; 9.2; 9.6; 10.3; 10.7; 10.9 Due on Sept 11

Sept 8 (help session): 2.16

HW2: 2.12; 3.8; 3.10; 3.14; 3.18   Due on Sept 18

HW3:  3.2;  3.5;  3.16;  4.2;  4.5  Due Sept 25 

HW4: 4.15, 5.2, 5.6, 5.14; 5.24    Due Oct 2

Exam 1   Oct 6

Fall Break Oct 16

HW5: 6.3, 6.6, 6.14, 7.2(a, b), 7.12, 8.1, 8.2, Due on Oct 23

HW6: 8:10a; 8:13; 11.1; 11.5; 11.7; 11.14 Due on Oct 30

Exam 2   November 3

HW7: 13.2;  14.1; 14.3; 14.4; 14.7; 15.5(a,b) Due on November 10


After Nov 13, we will learn MATLAB and Simulink.




Bioprocess Engineering

Bioprocess Engineering ChE 506
Classroom:    Sever Hall 300; Tuesday and Thursday: 5:30~7:00 pm

Yinjie Tang (Instructor) Email: yinjie.tang@wustl.edu

Ryan Lee (TA, Brauer Hall 1047); Email: vitamincwater@gmail.com 

Office: Brauer Hall 1025 (Phone:314-935-3441)

Office Hours for Dr. Tang:   4:30–5:30 Tuesday and Thursday

TA office hours (You can email TA and make an appointment)



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. 



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: http://tang.eece.wustl.edu/MATLAB_WUSTL.htm