multidisciplinary senior design course: an exercise in futility? multidisciplinary senior design...
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Multidisciplinary Senior Design Course: An Exercise in Futility?Multidisciplinary Senior Design Course: An Exercise in Futility?Steven W. Peretti1, Lisa G. Bullard1, Margaret Heil2 & Christopher R. Daubert3
Departments of Chemical Engineering1, Computer Science2, Food Science3
North Carolina State University, Raleigh, NC
Goal: Provide Students With A More Realistic Project Design Experience Through The Involvement Of Multiple Disciplines
Course Management Issues:Course Management Issues: Faculty PerspectiveFaculty Perspective
• Establishing Common Deliverables: Hands-On vs. Theory• Overcoming Disciplinary Ignorance• Maintaining Curricular & Subject Integrity• Delineating Responsibility• Clarifying “Power” Issues In The Relationship• Setting Consistent & Clear Performance Expectations• Collaborative Grading (Satisfying Me vs. Us)• Course Scheduling
Lessons LearnedLessons Learned
Project ExamplesProject Examples
Refine Problem Statement
Process Flowsheet Definition
Detailed Equipment Description
Integration of Unit Operations
Process Optimization
Problem Statement Refinement
Requirements Analysis & Definition
Design of System Architecture
Implementation & Testing
Installation
Chemical Facility Design Software Development
Methodology Methodology
CourseCourse RedefinitionRedefinition
Consensus MethodologyDefinition of Operational Problem Statement
Preliminary Design of Systems
Prototyping & Testing
Systems Refinement & Optimization
Project Management Issues:Project Management Issues:Student PerspectiveStudent Perspective
• We Don’t Understand The Deliverables!• Overcoming Disciplinary Ignorance• Aren’t These Two Separate Projects?• When Is Our Stuff Due?• We’ll Do It Our Own Way• Who’s In Charge (Discipline/Faculty)?• Who Is Doing The Grading?• We Don’t Have Any Common Time!
Controller
GUI
Computer Interface
DatabaseWWW Web Interface
Fermentation Vessel
Heater
Manufacturing Execution System forCitric Acid Production (CSC, CHE)
Project Objectives:Evaluate & implement process control & data
automationData collection & storage Facilitate operator control
Fermentation run with implemented control system
Comparison of a plate heat exchanger (HTST) & a continuous flow microwave unit(CFM) for pasteurization of milk (FS, CHE)
raw milk 4% fat thermalization
20 s 149° F
cool to 42° F
filtering
centrifuge
Cream10-12% fat
Skim milk 0.10% fat
homogenizeto standard
milks10 MPa
pasteurize15 s 161° F
cool to 36° F
Packaging&
Storage36° F
hair, grit,debris
Packaging&
Storage36° F
Milk Source: NCSUDairy Research—Lake
Wheeler Road
Project Objectives:Evaluate shelf life quality, taste preference, color & microbial count for CFM-treated milk
Determine biofouling, clean-up cost & floor space requirements for CFM vs. HTSTMeasure heat transfer rate & regeneration efficiencies for HTST& CFM
Compare capital & operating costs for full scale operation
CFM
HTST
• Open Communication Is Key - Establish Liaisons• Continuous Feedback Is Essential• Terminology Must Be Synchronized• Be Opened-Minded & Flexible• Embrace Each Other’s Strengths & Weaknesses• Establish Common Times To Meet & Work• Create Task Plan & Revisit Often• Provide Formal Team Training• Provide Techniques For Collaborative Writing & Speaking
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