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Green Engineering

Green Engineering. Examples of Teaching Green Engineering in Engineering Courses. UT-Chattanooga Rowan University Manhattan College University of Connecticut University of Nevada, Reno University of Toledo. Jim Henry C. Stewart Slater Robert P Hesketh

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Green Engineering

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  1. Green Engineering Examples of Teaching Green Engineering in Engineering Courses UT-Chattanooga Rowan University Manhattan College University of Connecticut University of Nevada, Reno University of Toledo Jim HenryC. Stewart SlaterRobert P Hesketh Ann Marie FlynnLuke E Achenie Wallace B WhitingMartin Abraham

  2. Green Engineering Username = guest Password = guest Examples of Teaching Green Engineering in Engineering Courses http://www.rowan.edu/ greenengineering Free, Web-based resources

  3. Green Engineering Definitions & Scope Principle 1: … nonhazardous Principle 2: … prevent waste. Principle 3: … minimize energy consumption and materials Principle 4: … maximize … efficiency Principle 5: … “output pulled” Principle 6: … complexity … viewed as … investment Principle 7: … durability … a design goal Principle 8: … unnecessary capacity … a design flaw Principle 9: Material diversity … be minimized Principle 10: … integration … energy and material Principle 11: Products … designed for … “afterlife” Principle 12: … inputs … renewable

  4. Green Engineering Support from US Environmental Protection Agency, Office of Prevention, Pesticides, and Toxic Substances Work of others D. T. Allen D. R Shonnard

  5. Green Engineering All the problems have a little story to keep the students’ interest

  6. Green Engineering • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena

  7. Green Engineering • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena

  8. Freshman/General Engineering Course Material • Green engineering topics covered in the module • Unit conversions typically used in GE calculations • Typical methods for representing the concentration of pollutants in air and water • Data analysis of GE problems • Uncertainty in GE calculations (significant figures)

  9. Freshman/General Engineering Course Material • Green engineering topics covered in the module • Methods used to determine a chemical’s environmental fate and toxicity • Critical thinking for life cycle assessment of different materials • Impact of engineering decisions on a population of people

  10. Green Engineering • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena Problems for use along with Materials Science and Engineering an Introduction by Callister

  11. Green Engineering • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena Four examples of student work on design projects that address GE topics including sustainable engineering and design for recycling/reuse

  12. Green Engineering Problems, modules and projects including several that address GE topics and design for recycling/reuse • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena

  13. Green Engineering Aligned with Texts Smith and Corripio Seborg, Edgar and Mellichamp • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena

  14. System Dynamics and Control • Transient material balance – Oil level in a tank • Real life spillage event

  15. System Dynamics and Control • Plant assignments -- Real operating GE “plants” • System identification • Steady-state operating curve • Step response • Frequency response • Controller Design • PID controllers • Plant troubleshooting

  16. System Dynamics and Control • Real operating pilot plants • Paint-Spray Booth – Air Filtering • Aerator Mixer at a waste water treatment plant • Filter Wash at a waste water treatment plant • Pilot plants operated remotely via the Web • Analysis done locally by students

  17. System Dynamics and Control

  18. System Dynamics and Control

  19. System Dynamics and Control • Trouble Shooting – • Unstable Flow Controller in a GE Application

  20. System Dynamics and Control • Trouble Shooting – • Unstable Flow Controller in a GE Application

  21. Green Engineering • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena

  22. Heat Transfer Heat Transfer 24 problems to complement different topics in 13 chapters of Incorpera & DeWitt

  23. Heat Transfer Heat Transfer • Some of the Green Engineering Topics Covered • Melting and Boiling Points, Partitioning Coefficients, Henry’s Law, TLVs and PELs • Health Hazards and Hazard Assessment Associated with Chemical Exposure • Pollution Prevention Concepts and Terminology, Energy Conservation Techniques • Environmental Cause and Effect of Global Warming, Ozone Depletion • The Roles and Responsibilities of the Chemical Engineers to their Colleagues, their Employers, and to the Protection of the Environment

  24. Heat Transfer Heat Transfer Heated Swimming Pool • Heat TransferConcepts • Students are required to calculate heat loss from heated swimming pool • GE Concepts • Students are required to determine the optimum time of day to turn on heater to decrease heat loss and energy usage

  25. Heat Transfer Heat Transfer Ecuador Pipeline • Heat Transfer Concepts • Students are required to calculate insulation thickness for heated transfer line • GE Concepts • Students are required to evaluate impact of building pipeline through rainforest and areas that sustain many earthquakes, landslides and soil shifting

  26. Heat Transfer Heat Transfer Replacement Windows • Heat Transfer Concepts • Students are required to compare rate of heat transfer through standard double pane windows to argon-filled windows • GE Concepts • Students are required to complete a life-cycle study on the windows using a 25 year mortgage as basis

  27. Heat Transfer Heat Transfer I’ve had 3 students independently approach me to find out how they can pursue GE further (2 men, 1 woman) They also happen to be 3 of the best students in the class. --Ann Marie Flynn

  28. Green Engineering Username = guest Password = guest Examples of Teaching Green Engineering in Engineering Courses http://www.rowan.edu/ greenengineering Free, Web-based resources

  29. Green Engineering All the problems have a little story to keep the students’ interest

  30. Green Engineering Aligned with Text: Sandler with references to: Elliott and Lira Smith, van Ness, and Abbott • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena

  31. Green Engineering • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena

  32. Green Engineering • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena

  33. Green Engineering • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena Aligned with Texts Felder and Rousseau

  34. Green Engineering • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena Aligned with Texts Felder and Rousseau

  35. Material and Energy balances • Green engineering topics covered in the module • Unit conversions typically used in GE process calculations • Typical methods of representing concentration of pollutants in a process • Balances on recycle operations in GE processes • Representation and calculation of pollutant volatility using vapor pressure • Use ofvarious equations of state in GE design calculations for gas systems

  36. Material and Energy balances • Green engineering topics covered in the module • Recovery of energy in a process – energy integration • Energyuse in green chemistry reactions, combustion processes • Mixing of solution issues in GE • Industrial case studies of GE manufacturing processes • Representation of mass and energy flows for transient processes with GE significance

  37. Green Engineering Aligned with Various Texts • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena

  38. Separations Processes • Equilibrium Staged Operations • Distillation • Absorption • Extraction • Stripping • Washing • Leaching • Rate Controlled Operations • Reverse osmosis • Gas permeation • Adsorption • Ultrafiltration • Crystallization

  39. Separations Processes • Green engineering topics covered in this module • Mass and energy balances on column • Mass Integration • Heat Integration • Solvent selection • Better understanding of the economic and environmental reasons for recycling

  40. Separations Processes • Green engineering topics covered in this module • Introduces concepts of regulations and government controls on emission levels • Process optimization and innovation • Predicting the environmental impacts of the operation

  41. Green Engineering Aligned with Text: Sandler with references to: Elliott and Lira Smith, van Ness, and Abbott • Freshman/General Engineering Course Material • Principles of Chemical Processes • Materials Science • Separations Processes • Design • Life Cycle Assessment • System Dynamics and Control • Heat Transfer • Chemical Engineering Thermodynamics • Transport Phenomena

  42. Chemical Engineering Thermodynamics • Types of Problems • Thought Questions • to use as triggers for class discussion • Traditional Problems • to use as normal homework or example problems • Extended Problems • to use as group assignments or in graduate courses • Existing Problems • Thermo Textbooks(w/page references in Instructor Guide) • Allen and Shonnard, Green Engineering(w/page references in Instructor Guide)

  43. Chemical Engineering Thermodynamics • Thermophysical Properties • Group-Contribution and Bond-Contribution Techniques • Vapor pressure, Aqueous Henry’s Constant, etc. • Analogs to UNIFAC and Corresponding States • Uncertainty Analysis • Green Chemistry • Refrigerant Selection • Thermophysical Properties • Environmental Properties • Efficiencies • CO2 Sequestration vs. Overall Efficiency

  44. Chemical Engineering Thermodynamics • Phase Equilibrium for Environmental Fate • VLE • VOC’s • Henry’s Law • LLE • MTBE to groundwater • Risk Shifting and Unintended Consequences • Global Warming • CO2 Solubility in Seawater • Stability of CO2 Seawater Sink • Reaction Equilibrium • NOx Formation vs. Combustion Temperature

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