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In the abstract, the Center for Sustainable Energy exists to develop systems to provide energy for various end uses in an environmentally and economically sustainable manner. In the concrete, past and present projects in the center have focused on remote solar systems, service-learning in engineering core courses, solar/electric/fuel-cell vehicles, photovoltaic-assisted lighting, building thermal efficiency test methods, solar crop drying, solar design tools, solar resource databases, and green buildings case studies. The center is unique in the degree to which it combines undergraduate and graduate education, research, public service, service-learning, and public education into its projects.
The Center for Sustainable Energy seeks to improve energy efficiency in end-use sectors and to increase the diversity of energy resources consistent with an economically and environmentally sustainable future. The center strives to combine undergraduate and graduate education, research, public service, service-learning, and public education into its projects.
More specific objectives within this broad mission include:
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IV.
Discovery/Learning/Engagement
Information on the center from 1995 to 2001 is given in the text below. Updates for years since then are contained in the following reports:
Key accomplishments in the 2000-01 academic year have included:
o Two trips to Peru (January 2001 and July 2001) with several graduate and undergraduate students to install photovoltaic arrays, vaccine refrigerators, lighting systems, and transceiver radios in 8 remote village medical clinics in the Sierra. We had installed a radio transceiver in the regional hospital on the coast in Huarmey so that medical personnel in remote villages can communicate with hospital. We also helped to install a solar-powered battery-charging station in a school in one village and gave a workshop on photovoltaic systems for teachers there. The participants in the workshop actually installed a 200-W PV array for battery-charging and powering a PC in the school in Raypa. We helped install a second microhydro system for village lighting in Cochapeti. We also developed twenty experiments for K-12 students on the principles of solar energy and batteries, and provided sets of instructions and hardware for three schools. We obtained funding from private donations, a local parish, the Chancellor, the Rotary Club of Chelmsford, and the Lindbergh Foundation. Other faculty/staff have collaborated and helped on this project: Father Paul Soper and Casey Murphy of the Catholic Center (Office of Student Life) and Alan Rux of the EE Dept..
o Service-learning introduced into one more engineering course: Dynamics (22.213). Eight other courses already have had service-learning introduced during previous years. Service-learning was included in a total of seven courses during the academic year and summer of 2000, all originally introduced by John Duffy. The results of these service-learning efforts are described in part in a chapter of a monograph on service-learning in engineering education published by the American Association of Higher Education in June 2000.
o The dynamics course had sophomore engineering students measuring and analyzing rides for safety at several local playgrounds.
o The manufacturing systems (22.573) course had extra credit miniprojects to support the Peru project with applications of reliability theory, life-cycle testing, and stochastic process models.
o The capstone design course (22.424) and graduate design course (24.504) had teams of students designing and manufacturing prototypes for use in remote Peru: a microhydro system for producing electricity and low-cost portable vaccine refrigerator. Another capstone team designed features for energy and labor savings in an aquaculture system for the Cambodian Mutual Assistance Association.
o The solar engineering course (22.521) had students evaluate the incident solar energy on collectors in various villages in Peru.
o The solar systems course (22.527) had students design and evaluate passive solar features on two retrofit houses for Habitat for Humanity.
o Teams of students in the ME Lab II course (22.403) performed blower door tests and helped analyze the energy efficiency of a house in Lowell that Habitat for Humanity was rebuilding; performed tests on our vaccine refrigerators and conventional refrigerators; and measured the energy improvements of a cover for an aquaculture tank.
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John Duffy was invited to participate in a national
workshop on service-learning in engineering in May 2001 at Purdue U.
At that workshop, he was acknowledged to have introduced
service-learning into more engineering courses than anyone else in
the country.
o Daniel Shapiro, a graduate research assistant, designed and manufactured a prototype electrolyzer and gas storage system in conjunction with ElectroChem, Inc., of Woburn, MA.
o Two recent graduates from the National Engineering University in Lima (Juan Pablo Trelles and Peter Aurora) worked with us in Peru in our village projects in January and in July. They have been accepted into the solar engineering graduate program. They will be working with the center on the Peru projects. The Provost was kind enough to provide them with assistantships for this coming academic year.
The center has collaborated with other centers and departments this year and in past years. In particular, Toxic Use Reduction Institute, Center for Productivity Enhancement, and the Institute for Plastics Innovation have provided cash and/or space for the design, manufacture, and deployment of solar race cars, which provide incredible engineering education experiences for students and result in graphic messages to the public about the potential of true zero emission transport. The Community Outreach Partnership Collaborative provided support for introducing service-learning into engineering courses with community service projects with Habitat for Humanity. The Center for Industrial Competitiveness has provided seed money for the electric bus project development. The center has cooperated with the Center for Advanced Electronics in helping high school students design and build a solar race car, which was entered in a nationwide race in Indianapolis for high school students. We have collaborated on the Peru Project with the Catholic Center, the Office for Community Service, and the Program for English as a Second Language in the Graduate School of Education. We have worked with MASSPIRG and AmeriCorps volunteers on monitoring of a river in Lowell for water quality and in analyzing the safety of local playgrounds with dynamic analysis and with the Center for Work, Family, and the Community and the Cambodian Mutual Assistance Association in developing an efficient fish aquaculture system.
The center strives with its projects to combine student education, research, public service, and public education. Explicit outreach activities include:
· Several members of the center are designing, assembling, and testing photovoltaic systems to power vaccine refrigerators, transceiver radios, and lights for remote villages in the Andes of Peru. Several members have traveled seven times to Peru to install thirty systems there in addition to providing three-day workshops for teachers with hands-on installation of PV systems for battery charging and for powering laptop computers in three schools.
· The center works with Habitat for Humanity to provide technical assistance in designing/building/retrofitting houses in Lowell for energy efficiency and to integrate service learning into solar and mechanical engineering courses.
· The center has provided solar race cars, the electric bus, and educational displays of photovoltaic systems to many schools and organizations for fairs, conference exhibits, and civic events.
· The center provides training and research assistance to develop and deploy photovoltaic systems for rural electrification in many countries worldwide.
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A few key past projects have included:
· Solar crop dryers developed by Mesoamerican Development Institute of Lowell in conjunction with the center. Solar coffee dryers have been installed and tested in Costa Rica at the Coop Montes de Oro and in Nicaragua. The solar dryers result in less rain forest deforestation, in less air pollution, in more income for growers, and in better quality coffee. MDI is a non-profit company founded by former students of U Mass Lowell.
· Photovoltaic systems for rural electrification in India, Sri Lanka, Haiti, and the Dominican Republic. Former students, who remain center collaborators, are spearheading some of the largest solar electrification projects in the world, sponsored by the World Bank, the Solar Electric Light Fund, US AID, Rotary International, and other agencies: Harish Hande in India and Priyantha Wijesooriya in Sri Lanka.
· The first electric bus in New England/New York, which has linked the university campuses with the Gallagher train station and Middlesex Community College, under the sponsorship of Massachusetts Electric, the university, U.S. Electricar, the Lowell Regional Transit Authority, and Middlesex Community College. The center is responsible for obtaining, operating, maintaining, monitoring, and upgrading the bus. It has operated on campus as well as at Logan Airport and on Nantucket Island. The center has developed a unique thermal management/heating system for the bus resulting in zero tailpipe emissions and essentially no battery use. It has assisted a second electric bus manufacturer in winterizing its bus design.
· Service-learning with energy efficient house design and measurement with Habitat for Humanity. In five different undergraduate and graduate courses, students have designed solar house designs (new and retrofit) and methods to test the thermal efficiency of houses and the strength of old wood in retrofit houses in conjunction with Habitat for Humanity of Greater Lowell.
The center has collaborated with other centers and departments. In particular, Toxic Use Reduction Institute, Center for Productivity Enhancement, and the Institute for Plastics Innovation have provided cash and/or space for the design, manufacture, and deployment of solar race cars, which provide incredible engineering education experiences for students and result in graphic messages to the public about the potential of true zero emission transport. The Community Outreach Partnership Collaborative provided support for introducing service-learning into engineering courses with community service projects with Habitat for Humanity. The Center for Industrial Competitiveness has provided seed money for the electric bus project development. The center has cooperated with the Center for Advanced Electronics in helping high school students design and build a solar race car, which was entered in a nationwide race in Indianapolis for high school students. We have collaborated on the Peru Project with the Catholic Center, the Office for Community Service, and the Program for English as a Second Language in the Graduate School of Education. We have worked with MASSPIRG and AmeriCorps volunteers on monitoring of a river in Lowell for water quality and with the Cambodian Mutual Assistance Association in developing a fish aquaculture system.
The center had the following grants and contracts over the last few years:
Shared Harvest Aquaculture Innovations (with Cheryl West, COPC); sponsor: Massachusetts Department of Food and Agriculture ($24,000; 2000-01)
Vaccine
Refrigerators for Peru; sponsor:
Lindbergh Foundation ($10,500; 2001-2002).
Fuel
Cell System for Remote Locations; sponsors:
Toxic Use Reduction Institute ($17,500; 2001-02) and
Electrochem (in-kind support).
Solar
Systems in the Andes; sponsors:
UML Chancellor, private donations, Rotary ($20,000 projected;
2001-2002).
Solar Electrolyzer and Gas Storage System; sponsor: Toxic Use Reduction Institute ($20,000; 2000-01) and Electrochem (in-kind support).
A
New Interdisciplinary Course with International Service-Learning;
UML Teaching and Learning Seed Grant ($2000; 2000-2001)
Solar in Service, Center for Sustainable Energy; sponsor: Committee of Federated Centers and Institutes of UML ($10,000; 2000-01).
Solar Systems in Remote Medical Clinics in the Andes (with the UML Catholic Center); sponsors: private donations, Chancellor, Rotary ($10,000; 2000-01).
Solar Fuel Cell System; sponsor: Toxic Use Reduction Institute ($24,000; 1999-00) and Electrochem (in-kind support).
Service-Learning in Engineering Courses; sponsor: Center for Family, Work, and Community at U Mass Lowell University Scholars in the City Program ($5000; 1999-00)
Service-Learning in Engineering; sponsor: Committee of Federated Centers and Institutes of UML ($10,000; 1999-00)
Solar Systems from The Acre to the Andes; sponsor: Committee of Federated Centers and Institutes of UML ($10,000; 1998-99)
Solar Systems in Remote Medical Clinics in the Andes (through the UML Catholic Center and Solar Energy Association of UML); sponsors: private donations, Chancellor, UML Bookstore Foundation ($15,000; 1998-99)
Winterization Design and Measurements for Electric Buses for the Northeast; sponsor: EVermont (DARPA) ($17,500) to U Mass Lowell (1997-98).
Photovoltaic-Assisted Lighting; sponsor: Taunton Municipal Power and Light ($7,500) to U Mass Lowell (1997-98).
Lease of Electric Shuttle to Massport; sponsor: Mass Electric ($6000) to U Mass Lowell (1997).
Research Assistantship for Solar Coffee Dryer Development; sponsor: Mesoamerican Development Institute and the National Renewable Energy Lab ($10,000) to U Mass Lowell (1997-98).
Sustainable Development of an Solar/Electric Bus Manufacturing Infrastructure in Massachusetts; sponsor: Toxic Use Reduction Institute ($24,000; 1997-1998).
Service Learning in Energy Efficient House Designs with Habitat for Humanity in Lowell; sponsors: Center for Family, Work, and Community at U Mass Lowell ($2400) and U Mass Lowell Engineering College Quality in Learning and Teaching Program ($3000) (1997)
Electric Bus Performance Data and Recommendations; sponsor: U New Hampshire ($1000) to U Mass Lowell (1997).
Lease of Electric Bus; sponsor: Northeast Utilities ($350) to U Mass Lowell (1996).
Heat Loss Coefficient Measurement of an Electric Bus; sponsor: EVermont (DARPA) ($2300) to U Mass Lowell (1996).
Assessment of the Thermal Efficiency of the Aspen Systems Solar School House; sponsor: Aspen Systems (National Renewable Energy Lab) ($2180) to U Mass Lowell (1997).
Integration of Statistical Methods in Undergraduate Mechanical Engineering Laboratory Courses; sponsor: U Mass Lowell Council on Teaching and Learning ($1500 internal grant) to Ann Mescher and John Duffy (1996-7).
Photovoltaic-Assisted Lighting; sponsor: Massachusetts Division of Energy Resources ($16,000) and New England Electric System ($33,000) (1995-96).
Solar/Electric Shuttle System for Lowell; sponsor: Congestion Mitigation and Air Quality Improvement Program (80% federal, 10% MA, 10% local) ($431,200) to Lowell Regional Transit Authority in partnership with U Mass Lowell and Mass Electric (1995-98).
Leasing and Monitoring of Electric Shuttle at Logan Airport for Air Quality Study with EPA; sponsor: Massachusetts Electric ($6000) (1996).
Training of Massport in Use and Maintenance of Electric Bus; sponsor: Mass Electric ($6000) (1996).
Electric Bus Performance in Cold Weather; sponsor: Mass Electric ($4900) (1996).
Lease of Electric Shuttle to Nantucket Regional Transit Authority; sponsor: NRTA ($6200) to U Mass Lowell (1995).
First Year Student Capstone Apprenticeship Module Development (including solar race car project); sponsor: Engineering Academy of Southern New England ($2000 internal transfer; Bill Kyros, PI) (1995-96).
Operation of the Electric Shuttle; sponsor: Chancellor Hogan ($21,000 overhead funds) (1995-96).
Operation of the Electric Shuttle; sponsor: Middlesex Community College ($2000) directly to ABC Bus Co. (1995-96).
Electric Bus as a Public Service; sponsor: Healy grant through U Mass Lowell ($1300, 1995-6)
Winterization of an Electric Shuttle; sponsor: U.S. Electricar ($15,000) U Mass Lowell (1995-6).
An Electric Shuttle for Lowell (First Electric Bus in New England); sponsor: Massachusetts Electric ($105,000) to U Mass Lowell (1995).
Monitoring the Performance of an Electric Bus in New England; sponsor: Center for Industrial Theory and Assessment ($12000) U Mass Lowell (1995-6).
Ventilation in Energy Crafted Homes; sponsor: Building Science Engineering (Northeast Utilities) ($5250) to U Mass Lowell (1994-5).
Solar/Electric Vehicles as a Lead Sector in the Regional Economy; sponsor: Center for Industrial Theory and Assessment ($5000) to U Mass Lowell (1994-96).
Solar Race Car for Sunrayce 95; sponsor: U.S. Dept. of Energy ($3000) to UMass Lowell (student proposal).
The center has the following available for
research, teaching, and public service:
photovoltaic modules, electrical test equipment, inverters,
charge controllers, data acquisition systems, a considerable library on
photovoltaic systems, several displays on PV systems for the general
public, the 1993 Sunrayce race car and trailer, a phase change heating
system for electric vehicles, heat recovery ventilators, a lab-scale
fuel cell, a lab-scale electrolyzer, a solar resource database for
developing countries, rural electrification systems, microhydro systems,
water pasteurization solar collectors.
The center has historically concentrated on development, installation, testing, and/or monitoring of solar systems in the field. Most experimental work is done off campus, at sites ranging from Lowell to Latin America, Somerville to Sri Lanka, and Braintree to Bangalore.
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John Duffy, Director (as of May 1996), Mechanical Engineering Department (solar electric vehicles, thermal testing of buildings, passive solar systems, PV systems, solar rural systems)
Raul Raudales, Principal of Mesoamerican Development Institute (solar crop drying, solar water purification)
Paul Soper, former University Chaplain, Catholic Center (developing countries)
Cheryl West, Research Associate, Work Environment Program (sustainability)
Juan Rodriguez, Professor Emeritus, Graduate School of Education (bilingual education, distance learning, sociology of Quechua people)
Sam Mil’shtein, Electrical Engineering Department (PV cells, high school education programs)
Bob Parkin, Mechanical Engineering Department (hybrid electric vehicles, robotics)
Jim Sheff, Chemical and Nuclear Engineering Department (wind and geothermal energy)
Alan Rux, Electrical Engineering Department (solar race cars, solar radios, controllers)
Jack Apflebaum, Industrial Technology, Professor Emeritus (solar in developing countries, biomass digesters)
The following students have participated in center projects in the
recently:Michael Reinhardt, optimization methods for alternative energy system design (D.Eng. 2000)
Craig Munger, Data acquisition system and data analysis of thermal-photovoltaic modules (MS in process
Walter Lee, analysis of performance data from PV-powered vaccine refrigerators at two remote sites in Peru (MS in process)
Adarsh Das, analysis of energy performance of a heated aquaculture system (MS in process)
Vinay Kumar, measurement of an indoor aquaculture system (MS in process)
Allison Arkin, Solar electrolyzer model (MS thesis, 2000 and paper).
Dennis
Villanueva, Educational workshop materials for Peruvian villages (MS
project 2000).
Meredith
Lewko, bioprocessing/recycling of fish waste in aquaculture (MS ME
in process)
Luis
Alegria, Data acquisition system and data analysis for remote
photovoltaic systems in Central America (MS thesis in process)
Daniel
Shapiro, Solar electrolyzer hydrogen-oxygen pressurization and
storage system (MS thesis in process).
George
Nitschke, Solar ponds (D.Eng. in process).
Nuchida Suwapaet, Reliability of a solar-powered satellite communications system in the Andes (MS thesis in process)
Steve Fernandez, battery additive effect on cycle life, (MS thesis, fall 2001, expected)
Steve DaSilva, energy efficient vaccine refrigerator (MS thesis in ME in process)
Nto Diarra, stochastic systems approach to solar design with applications in Mali (D. Eng. in process and papers).
Bobby Griffis, microhydro system for Malvas, Peru (BS 2000)
Ken Locke, microhydro system for Malvas, Peru (BS 2000)
Sean Crowell, efficiency improvements in a Tilapia aquaculture system (BS 2000)
Art Rankis, efficiency improvements in a Tilapia aquaculture system (BS 2000)
Jeff Pare, microhydro system for Cochapeti, Peru (BS 2001)
Mike Agnese, microhydro system for Cochapeti, Peru (BS 2001)
Brian Huot, microhydro system for Cochapeti, Peru (BS 2001)
Bill Bailey , microhydro system for Cochapeti, Peru (BS 2001)
Mark Ross, vaccine refrigerator for medical clinics in Peru (BS 2001)
Jeff Cosgrove, vaccine refrigerator for medical clinics in Peru (BS 2001)
Matt Hart, vaccine refrigerator for medical clinics in Peru (BS 2001)
Kurt Lovell, vaccine refrigerator for medical clinics in Peru (BS 2001)
Joe Kulpa (HfH new house design; BS 2000)
John Krzewick (HfH new house design; BS 2000)
to The center has a laboratory in E 405, courtesy
of the Mechanical Engineering Department.
It contains PV modules, vaccine refrigerators, 2-m
band radios, and other equipment for the Peru project as well as a small
fuel cell, a PV airplane with 2 m wingspan, equipment for testing solar
water bottles with photocatalyst and dye indicators. The center has considerable equipment in remote villages in
Peru. Most of it has been
donated to the medical clinics, schools, and town governments in the
villages. However, we still
maintain the equipment, and learn from the performance of the systems,
most of which were designed by students.
Two PV vaccine refrigerator systems, one including a weather
station, are constantly monitored, and data is stored every hour.
We download the data each time we visit the sites. The center has available numerous personal
computers connected to the internet.
The university has site licenses for a wide variety of general
purpose programs. In
addition, the center has special purpose software for the design of
solar systems, such as TRNSYS, DOE II, SIZEPV, and WINDOW. Duffy, J.J., 2000,
"Service-Learning in a Variety of Engineering Courses," in
Tsang, E., (ed.), Design That Matters:
Service-Learning in Engineering, American Association of
Higher Education, Washington, DC. West, C., L. Silka,
and J. Duffy, 2000, “Immigrant Economic Development and Environmental
Justice: Aquaculture as an
Opportunity?” Towards Sustainability Conference, Tufts University,
June, proceedings. Hande, H.H., and
J.J. Duffy, 2001, “A Model for Sustainable Rural Electricification
with Photovoltaics,” Proceedings of the 2001 National Solar Energy
Conference, Annual Meeting, American Solar Energy Society. Reinhardt, M., and
J.J. Duffy, 2001, “Optimization Methods for Alternative Energy System
Design,” Proceedings of the 2001 National Solar Energy Conference,
Annual Meeting, American Solar Energy Society. Arkin, A., and J.J.Duffy, 2001, “Modeling of
PV, Electrolyzer, and Gas Storage in a Stand-Alone Solar-Fuel Cell
System,” Proceedings of the 2001 National Solar Energy Conference,
Annual Meeting, American Solar Energy Society. Duffy, J.J., 1999, "Peruvian Villages Go Solar," Solar Today, Vol. 13, No. 6, p. 30-33. Duffy, J.J., E. Tsang, and S. Lord, 2000, "Service-Learning in Engineering: What, Why, and How?" Proceedings of the American Society of Engineering Education 2000 Conference. Duffy, J., P. Soper, S. Prasitpianchai, D. Villanueva, L. Alegria, and A. Rux, 1999, "PV Systems for Remote Villages: Service-Learning and Communal Sharing," Proceedings of the 1999 National Solar Energy Conference, Annual Meeting American Solar Energy Society. Fernandez, S., 1999, "Factors Affecting PV Battery Life," Proceedings of the 1999 National Solar Energy Conference, Annual Meeting American Solar Energy Society. Garabedian, H., K. Buckner, H. Fennell, T. Webb, and J. Duffy, 1998, "Northeast Electric Bus Demonstration Project," Paper No. 982783, SAE International Truck and Bus Meeting Proceedings. Reinhardt, M., and J.J. Duffy, 1998, "Passive Solar Design and Test Methods Applied to Electric Vehicles," Annual National Solar Conference Proceedings, American Solar Energy Society. Raudales, R., D. Villanueva, C. Munger, and J.J. Duffy, 1998, "Solar Coffee Dryers," Annual National Solar Conference Proceedings, American Solar Energy Society. Hande, H., J. Martin, and J.J. Duffy, 1998, "A Model for Sustainable Rural Solar Electrification in India," Annual National Solar Conference Proceedings, American Solar Energy Society. Chien, H.-C., I. Merker and J.J. Duffy, 1998, "Solar Thermal System for Heating Electric Buses," Annual National Solar Conference Proceedings, American Solar Energy Society. Duffy, J.J., 1998, "Using Service-Learning To Promote Solar Learning," Annual National Solar Conference Proceedings, American Solar Energy Society. Duffy, D., J.J. Duffy, and J. Jones, 1997, "Tuning up your Class for Better Mileage: Assessment Tools for Optimal Student Performance," Journal on Excellence in College Teaching, 8 (2), 3-20. Duffy, J.J., M. Reinhardt, and C-H. Chien, 1996, "Winterizing an Electric Vehicle: A Systems Approach," Solar/Electric Vehicle Symposium Proceedings, Northeast Sustainable Energy Association, September. Reinhardt, M., and J.J. Duffy, 1997, "Design Metrics and Fuzzy Logic," accepted for publication in Journal of Agile Manufacturing and in Proceedings International Conference on Agile Manufacturing, Lafayette, LA. Duffy, J.J., M. Reinhardt, C-H. Chien, and J. Beaudoin, 1995, "Winterizing an Electric Bus for New England," Solar/Electric Vehicle Symposium Proceedings, Northeast Sustainable Energy Association, November. Duffy, J.J., M. Reinhardt, and C-H. Chien, 1996, "Passive Solar Heating of an Electric Bus," National Solar Conference Proceedings, Amer. Solar Energy Soc., April. Covell, P., R. Hansen, and J. Martin, The Role of Government Subsidies and Private Investment in Rural Development. International Conference on Economics and Politics of Energy, Miami Beach, 1995, Plenum. Martin, J., Notes on the International Conference on the Economics and Politics of Energy, International Conference on Economics and Politics of Energy, Miami Beach, 1995, Plenum. Apfelbaum, H. J. “In Search of Cow Gas—Could US Learn from India Sustainable Energy Practices,” Farm Times, Ruppert, ID, 1995. Kamara, J., J. Martin, et al., 1995, “A Sustainable Energy Program for the Republic of Cape Verde,” Proc. International Solar Energy Society Conference, Zimbabwe. Martin, J., “Global Perspectives in Energy,” 1995, Proc. International Conference on Structural Mechanics in Reactor Technology. Martin, J., and C. Leal, 1996, “The Virtue of the Mean: A Rational Coal Policy for Southern Brazil,” III Congreso Nacional de Energia, Chile. Regan, T., J. Martin, 1996, A Diffuse Enhancer for a Thermophotovoltaic Energy Converter,” patent application by UML Research Foundation. Regan, T., J. Martin, J. Ricobono, J. Ludman, 1995, “Holographic Enhancement of Thermal Conversion,” Proc. First Int’l. Photovoltaic Conf., Hawaii.
VII. Resources
VIII. Publications (since 1995)
Papers:
Hande, H.H., and J.J. Duffy, 2001, “A Model for Sustainable Rural Electricification with Photovoltaics,” National Solar Energy Conference, Annual Meeting, American Solar Energy Society, April.
Reinhardt, M., and J.J. Duffy, 2001, “Optimization Methods for Alternative Energy System Design,” National Solar Energy Conference, Annual Meeting, American Solar Energy Society, April.
Duffy, J., A. Krish, and K. Tupper, 2001, Two-day workshop in Raypa, Peru, on photovoltaic principles, charging stations, and experiments for students, for teachers, sponsored by UML, July.
Arkin, A., and J.J.Duffy, 2001, “Modeling of PV, Electrolyzer, and Gas Storage in a Stand-Alone Solar-Fuel Cell System,” National Solar Energy Conference, Annual Meeting, American Solar Energy Society.
Duffy, J.J., E. Tsang, and S. Lord, 2000, "Service-Learning in Engineering: What, Why, and How?" American Society of Engineering Education 2000 Conference, St. Louis, MO, June.
Duffy, J., 2000, “The Future of Solar Energy,” invited seminar, National Engineering University (UNI), Lima, Peru, August.
Duffy, J., 2000, Two-day workshop in Cochapeti, Peru on photovoltaic charging stations for high school teachers, sponsored by UML, August.
Duffy, J., 2000, Workshop at the hospital in Huarmey, Peru on solar systems for remote medical clinics, for medical doctors and nurses, sponsored by UML, August.
Duffy, J.J., 2000, “Solar Systems in Remote Peruvian Villages,” Mechanical Engineering Department Seminar, September.
Duffy, J.J., 2000, “The Impact of Technology on Villages in Peru,” invited seminar for honors students, UML, October.
Duffy, J.J., Workshop (invited) at the 1999 American Society of Engineering Education Annual Conference on service-learning in engineering (with several other faculty, sponsored by Campus Compact)
Duffy, J.J., 1999, "Service-Learning in a Variety of Engineering Courses," American Society of Engineering Education Annual Conference, Charlotte, NC.
Duffy, J.J., 1999, three-day workshop on solar engineering for the Caribbean (invited), Catholic University of Santo Domingo, Dominican Republic.
Duffy, J., P. Soper, S. Prasitpianchai, D. Villanueva, L. Alegria, and A. Rux, 1999, "PV Systems for Remote Villages: Service-Learning and Communal Sharing," National Solar Energy Conference, Annual Meeting of the American Solar Energy Society.
Villanueva, D., and J.J. Duffy, 1999, Workshop in Malvas, Peru on photovoltaic charging stations for high school teachers, sponsored by UML.
Duffy, D., and J.J. Duffy, 1999, "Examples of Service-Learning in Higher Education," West Virginia Higher Education Service-Learning Symposium, U of Charleston (sponsored by Campus Compact).
Duffy, D., and J.J. Duffy, 1999, Workshop (invited) at the Community College of Rhode Island on assessment.
Duffy, D., and J. Duffy, 1998, Keynote address for a service-learning conference for the Colleges of the Fenway in Boston.
Duffy, D., J.J. Duffy, and J. Kleinman, 1998, Workshop at the New England Faculty Development Conference on assessment.
Duffy, D., and J.J. Duffy, 1998, Workshop (invited) at Kennebec Valley Technical College in Maine on service-learning (Campus Compact).
Duffy, J.J., and D. Duffy, 1998, Presentation (invited) for the UML College of Engineering faculty on assessment.
Reinhardt, M., and J.J. Duffy, 1998, "Passive Solar Design and Test Methods Applied to Electric Vehicles," Annual National Solar Conference, American Solar Energy Society.
Raudales, R., D. Villanueva, C. Munger, and J.J. Duffy, 1998, "Solar Coffee Dryers," Annual National Solar Conference, American Solar Energy Society.
Hande, H., J. Martin, and J.J. Duffy, 1998, "A Model for Sustainable Rural Solar Electrification in India," Annual National Solar Conference, American Solar Energy Society.
Chien, H.-C., I. Merker and J.J. Duffy, 1998, "Solar Thermal System for Heating Electric Buses," Annual National Solar Conference, American Solar Energy Society.
Duffy, J.J., 1998, "Using Service-Learning To Promote Solar Learning," Annual National Solar Conference, American Solar Energy Society.
Duffy, D., J. Kleinman, J.J. Duffy, and S. Bassett, 1998, "Like a Bridge over Troubled Water: Integrating Service-Learning into College Classrooms," Mass. Faculty Development Consortium, Bentley C.
Reinhardt, M., and J.J. Duffy, 1997, "Design Metrics and Fuzzy Logic," International Conference on Agile Manufacturing, Lafayette, LA.
Duffy, J.J., M. Reinhardt, and C-H. Chien, 1996, "Passive Solar Heating of an Electric Bus," National Solar Conference, Amer. Solar Energy Soc., April.
Duffy, J.J., 1996, "First Year Student Apprentices Teamed with Seniors in 'Real' Engineering Projects," American Society of Engineering Education New England Section Spring Meeting, Tufts U., April.
Martin, J., “Global Perspectives in Energy and Sustainable Development,” Proceedings of Energy Congress, Keynote Address, La Serena, Chile, 1996.
Martin, J., and C. Leal, “Toward a Rational Energy Policy for Southern Brazil,” Proceedings of Energy Congress, Keynote Address, La Serena, Chile, 1996.
Martin, J., J. Duffy, W. Berg, and Z. Salameh, 1996, "Sustainable Energy Research at U Mass Lowell," invited presentation to the Greater Lowell Chamber of Commerce.
Duffy, J., 1996, "Suitability of Electric Buses to Worcester," invited presentation to the Worcester Chamber of Commerce.
Duffy, J., 1996, "Solar Race Cars at U Mass Lowell," invited dinner speaker at monthly regional SAMPE meeting.
Duffy, J.J., 1996, "First Year Student Apprentices Teamed with Seniors in 'Real' Engineering Projects," American Society of Engineering Education New England Section Spring Meeting, Tufts U., April.
Duffy, J.J., 1996, "First Year Student Apprentices Teamed with Seniors in Capstone Projects," Lilly Conference on College Teaching, UNH, September and Mass. Faculty Development Consortium, Holy Cross U., November.
Duffy, J.J., M. Reinhardt, and C-H. Chien, 1996, "Winterizing an Electric Vehicle: A Systems Approach," Solar/Electric Vehicle Symposium, Northeast Sustainable Energy Association, September.
Finol, E., A. Mescher, and J.J. Duffy, 1996, "Integration of Statistical Methods in Undergraduate Mechanical Engineering Laboratory Courses," IV Interamerican Conference on Engineering and Technology Education, Valencia, Venezuela.
Duffy, J.J., and S. Pigg, 1995, "Short-Term Methods for Predicting and Tracking Savings" (invited workshop), Affordable Comfort 95 Conference, Philadelphia, March 29.
Duffy, J.J., 1995, "Short-Term Monitoring: Measured Performance Rating System" (invited 3-hour tutorial), Affordable Comfort 95 Conference, Philadelphia, March.
Duffy, D., and J.J. Duffy, 1995, "Tuning Up Your Class for Better Mileage: Assessment Tools for Optimal Student Performance" (invited presentation), Assess the Success Conference, Beverly, MA, May 5.
Duffy, J.J., 1995, "Winterizing an Electric Bus for New England." Solar/Electric Vehicle Symposium, Northeast Sustainable Energy Association, November.