research work at the university of massachusetts
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RESEARCH WORK AT THE UNIVERSITY OF MASSACHUSETTS. Center for Energy Efficiency and Renewable Energy Building Energy Efficiency Program University of Massachusetts Amherst, MA By: Dr. D. Charlie Curcija. PRESENTATION OUTLINE. OVERVIEW OF RESEARCH AREAS SUPPORT FOR NFRC - PowerPoint PPT PresentationTRANSCRIPT
RESEARCH WORK AT THE RESEARCH WORK AT THE UNIVERSITY OF MASSACHUSETTSUNIVERSITY OF MASSACHUSETTS
Center for Energy Efficiency and Renewable Center for Energy Efficiency and Renewable EnergyEnergyBuilding Energy Efficiency ProgramBuilding Energy Efficiency Program
University of MassachusettsUniversity of MassachusettsAmherst, MAAmherst, MABy: Dr. D. Charlie CurcijaBy: Dr. D. Charlie Curcija
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
PRESENTATION OUTLINEPRESENTATION OUTLINE
OVERVIEW OF RESEARCH AREASOVERVIEW OF RESEARCH AREAS SUPPORT FOR NFRCSUPPORT FOR NFRC SUPPORT FOR ASHRAE, ASTMSUPPORT FOR ASHRAE, ASTM INTERNATIONAL SUPPORTINTERNATIONAL SUPPORT MAJOR ACCOMPLISHMENTS TO DATEMAJOR ACCOMPLISHMENTS TO DATE FUTURE RESEARCHFUTURE RESEARCH CONCLUSIONSCONCLUSIONS
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
MAJOR RESEARCH AREASMAJOR RESEARCH AREAS
ADVANCED CONVECTIVE HEAT TRANSFER IN ADVANCED CONVECTIVE HEAT TRANSFER IN GLAZING CAVITIESGLAZING CAVITIES
NATURAL CONVECTION HEAT TRANSFER ON NATURAL CONVECTION HEAT TRANSFER ON FENESTRATION BOUNDARIESFENESTRATION BOUNDARIES
3-D HEAT TRANSFER EFFECTS3-D HEAT TRANSFER EFFECTS IMPROVEMENTS IN TESTING TECHNOLOGYIMPROVEMENTS IN TESTING TECHNOLOGY COMMERCIAL FENESTRATIONCOMMERCIAL FENESTRATION
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
WHY ARE WE DOING THIS WHY ARE WE DOING THIS RESEARCH?RESEARCH?
Expanded knowledge about the physics and Expanded knowledge about the physics and performance of fenestration systemsperformance of fenestration systems
Development of algorithms and methodologies Development of algorithms and methodologies that can be incorporated in computer programsthat can be incorporated in computer programs
Computer programs are needed by manufacturers Computer programs are needed by manufacturers to design better productsto design better products
Computer programs are needed to rate productsComputer programs are needed to rate products Dedicated computer programs are the best way to Dedicated computer programs are the best way to
transfer complex knowledge into user friendly and transfer complex knowledge into user friendly and affordable tools that can be used by non-expertsaffordable tools that can be used by non-experts
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
HOW THESE RESEARCH AREAS HOW THESE RESEARCH AREAS HELP?HELP?
Improve accuracy of U-factor calculationsImprove accuracy of U-factor calculations Improve accuracy of SHGC calculationsImprove accuracy of SHGC calculations Improve condensation resistance predictionImprove condensation resistance prediction Allow better integration of fenestration Allow better integration of fenestration
models with whole building modelsmodels with whole building models Provide foundation for the development of Provide foundation for the development of
future models for emerging technologies and future models for emerging technologies and complex fenestrationcomplex fenestration
Ensure consistent and fair rating procedureEnsure consistent and fair rating procedure
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
CONVECTIVE HEAT TRANSFER IN CONVECTIVE HEAT TRANSFER IN GLAZING CAVITIESGLAZING CAVITIES
Vertical glazing cavities – standard gap widthVertical glazing cavities – standard gap width Vertical glazing cavities – wide gapVertical glazing cavities – wide gap Sloped glazing cavities – standard gapSloped glazing cavities – standard gap Sloped glazing cavities – wide gapSloped glazing cavities – wide gap 2-D and 3-D modeling2-D and 3-D modeling Average and local heat transferAverage and local heat transfer
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
GLAZING CAVITIES GEOMETRY GLAZING CAVITIES GEOMETRY AND BOUNDARY CONDITIONSAND BOUNDARY CONDITIONS
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
RANGE OF PERFORMANCE FOR RANGE OF PERFORMANCE FOR GLAZING CAVITIESGLAZING CAVITIES
31 0( )g T T L
Ra
,
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
VERTICAL AND SLOPED 2-D VERTICAL AND SLOPED 2-D CAVITIESCAVITIES
Angle of Inclination From 0 to 90 Deg.Angle of Inclination From 0 to 90 Deg.
A=38.25, Ra=6559.7
1
1.2
1.4
1.6
1.8
2
2.2
2.4
0 10 20 30 40 50 60 70 80 90tilt angle
aver
age
Nu
Fidap 2-D
ISO15099
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
TEMPERATURE CONTOURS AT MID-X TEMPERATURE CONTOURS AT MID-X PLANE FOR A=40, Ra=9,650PLANE FOR A=40, Ra=9,650
0 15 45
80 90
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
STREAMFUNCTION MOVIE CLIP – STREAMFUNCTION MOVIE CLIP – HORIZONTAL GLAZING CAVITY (0HORIZONTAL GLAZING CAVITY (0º)º)
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
GOALS OF RESEARCH IN ADVANCED GOALS OF RESEARCH IN ADVANCED CONVECTIVE HEAT TRANSFER IN IGUCONVECTIVE HEAT TRANSFER IN IGU
Better understanding of physics of natural Better understanding of physics of natural convection heat transfer in glazing cavities convection heat transfer in glazing cavities (i.e., high aspect ratio, low Ra)(i.e., high aspect ratio, low Ra)
Investigation of optimal meshes and Investigation of optimal meshes and turbulence modelsturbulence models
Development of recommended flow regimesDevelopment of recommended flow regimes Development of heat transfer correlationsDevelopment of heat transfer correlations Transition to future research (i.e., shading Transition to future research (i.e., shading
devices and other complex fenestration devices and other complex fenestration systems)systems)
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
NATURAL CONVECTION HEAT NATURAL CONVECTION HEAT TRANSFER ON THE WARM TRANSFER ON THE WARM
BOUNDARYBOUNDARY
Simulation of natural convection flow in Simulation of natural convection flow in idealized conditionsidealized conditions
Simulation of natural convection flow under Simulation of natural convection flow under realistic conditionsrealistic conditions
Modeling of testing apparatus conditionsModeling of testing apparatus conditions
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
HEAT TRANSFER RESULTS FOR HEAT TRANSFER RESULTS FOR BACKWARD FACING STEPBACKWARD FACING STEP
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
VIRTUAL THERMAL TESTING VIRTUAL THERMAL TESTING FACILITY (ViTTeF) CONCEPT FACILITY (ViTTeF) CONCEPT
DEVELOPMENTDEVELOPMENT
Boundary layer
Insulated surround panel
Window model + boundary layer + panel pieces
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
NUMERICAL MESH OF THE TWO NUMERICAL MESH OF THE TWO INDEPENDENT COMPONENTSINDEPENDENT COMPONENTS
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
TURBULENCE VISCOSITY AND TURBULENCE VISCOSITY AND VELOCITIES DISTRIBUTION IN A VELOCITIES DISTRIBUTION IN A
CHANMBERCHANMBER
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
GOALS OF CONVECTION HEAT GOALS OF CONVECTION HEAT TRANSFER ON FENESTRATION TRANSFER ON FENESTRATION
BOUND. RESEARCHBOUND. RESEARCH
Better understanding of physics of natural Better understanding of physics of natural convection heat transfer over fenestration convection heat transfer over fenestration surfacessurfaces
Better understanding of testing apparatus Better understanding of testing apparatus heat transferheat transfer
Investigation of optimal meshes for this type Investigation of optimal meshes for this type of flowof flow
Developments of correlations for use in Developments of correlations for use in fenestration softwarefenestration software
Recommendations for future hot box designsRecommendations for future hot box designs
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
3-D HEAT TRANSFER EFFECTS 3-D HEAT TRANSFER EFFECTS RESEARCHRESEARCH
Effective development of 3-D geometriesEffective development of 3-D geometries Investigation of optimum 3-D meshesInvestigation of optimum 3-D meshes Development of full 3-D models for major Development of full 3-D models for major
window types, materials, glazing window types, materials, glazing configurations, spacers, etc.configurations, spacers, etc.
Presentation of results in a form suitable for Presentation of results in a form suitable for development of correlations and algorithmsdevelopment of correlations and algorithms
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
3-D GEOMETRY OF THE WINDOW3-D GEOMETRY OF THE WINDOW
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
3-D MESH OF THE WOOD 3-D MESH OF THE WOOD WINDOWWINDOW
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
3-D HEAT FLUX & 3-D HEAT FLUX & TEMPERATURE FIELDTEMPERATURE FIELD
Heat Flux Temperature
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
HEAT TRANSFER RESULTS HEAT TRANSFER RESULTS EXTRACTIONEXTRACTION
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
GOALS OF 3-D HEAT TRANSFER GOALS OF 3-D HEAT TRANSFER EFFECTS RESEARCHEFFECTS RESEARCH
Better understanding of heat transfer in Better understanding of heat transfer in window corners and other areas currently not window corners and other areas currently not consideredconsidered
Development of future 3-D models and Development of future 3-D models and algorithmsalgorithms
New fenestration technologies that need 3-D New fenestration technologies that need 3-D models (i.e., evacuated glazing, complex models (i.e., evacuated glazing, complex fenestration, etc.)fenestration, etc.)
Connection to research of interface between Connection to research of interface between wall and windowwall and window
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
IMPROVEMENTS IN TESTING IMPROVEMENTS IN TESTING TECHNOLOGYTECHNOLOGY
Active participation in appropriate ASTM Active participation in appropriate ASTM committees and development/update of committees and development/update of standardsstandards
Involvement in research level testingInvolvement in research level testing Coordination between other research labs Coordination between other research labs
that do testing (i.e., LBNL, ORNL)that do testing (i.e., LBNL, ORNL) Coordination with International group Coordination with International group
involved in research level testinginvolved in research level testing Development of updated testing designsDevelopment of updated testing designs Modifications in computer models for better Modifications in computer models for better
interface to testinginterface to testing
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
UNIVERSAL HOT BOXUNIVERSAL HOT BOX
Development of Design For the Next Development of Design For the Next Generation of Thermal Measurement FacilityGeneration of Thermal Measurement Facility
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
COMPUTER MODELING OF HOT COMPUTER MODELING OF HOT BOX CONFIGURATIONSBOX CONFIGURATIONS
Climatic chamber
Metering chamber
Frame
CTS panel
Surround panel
Metering chamber
Climatic chamber
Window sample Baffle
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
GOALS OF RESEARCH IN GOALS OF RESEARCH IN TESTING TECHNOLOGYTESTING TECHNOLOGY
Better research level testing facilities lead to Better research level testing facilities lead to the development of better commercial the development of better commercial facilitiesfacilities
Increased confidence in validating computer Increased confidence in validating computer modelsmodels
Development of harmonized testing Development of harmonized testing standardsstandards
Lead to increased use of computer Lead to increased use of computer simulation, providing more cost effective simulation, providing more cost effective rating solutionsrating solutions
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
COMMERCIAL FENESTRATION COMMERCIAL FENESTRATION SYSTEMSSYSTEMS
Analysis of energy performance of typical Analysis of energy performance of typical commercial buildingscommercial buildings
Investigation of effects of changes in Investigation of effects of changes in fenestration system performance on overall fenestration system performance on overall building energy performance (i.e., sensitivity building energy performance (i.e., sensitivity study)study)
Development of modeling methodology specific Development of modeling methodology specific to non-residential productsto non-residential products
Update of NFRC standards (100 and 200) with Update of NFRC standards (100 and 200) with new methodologynew methodology
Validation of models for non-res systemsValidation of models for non-res systems
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
ANALYSIS OF ENERGY PERF. OF ANALYSIS OF ENERGY PERF. OF A TYPICAL NON-RES BUILDINGA TYPICAL NON-RES BUILDING
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
EQUEST (DOE2) MODELEQUEST (DOE2) MODEL
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
TOTAL ENERGY USETOTAL ENERGY USE
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
SUPPORT FOR NFRCSUPPORT FOR NFRC
Development of new and more accurate Development of new and more accurate algorithms and methodologies for use in algorithms and methodologies for use in rating systemsrating systems
Participation on committeesParticipation on committees Development of standards and reference Development of standards and reference
documentsdocuments– 100, 101, 102, 500, 500-UG, Glossary, etc.100, 101, 102, 500, 500-UG, Glossary, etc.
NFRC’s international activitiesNFRC’s international activities Miscellaneous technical supportMiscellaneous technical support
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
SUPPORT FOR ASHRAESUPPORT FOR ASHRAE
Chairing Handbook of Fundamentals Chairing Handbook of Fundamentals subcommitteesubcommittee
Development of handbook materialsDevelopment of handbook materials Membership on committeesMembership on committees Research coordinationResearch coordination Symposia, seminar and forum chairingSymposia, seminar and forum chairing Standards developmentStandards development
– SPC142, SSPC 90.1, SSPC 90.2SPC142, SSPC 90.1, SSPC 90.2
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
SUPPORT FOR ASTMSUPPORT FOR ASTM
Membership on C16 and E6Membership on C16 and E6 Chairing condensation resistance standard Chairing condensation resistance standard
task grouptask group Active on fenestration related standard Active on fenestration related standard
committeescommittees ISO coordinationISO coordination
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
INTERNATIONAL ACTIVITIESINTERNATIONAL ACTIVITIES
INTERNATIONAL: TECHNICAL ASSISTANCE TO INTERNATIONAL: TECHNICAL ASSISTANCE TO TRANSITIONAL ECONOMY COUNTRIES (TATEC)TRANSITIONAL ECONOMY COUNTRIES (TATEC)
INTERNATIONAL: TECHNICAL COLLABORATIONINTERNATIONAL: TECHNICAL COLLABORATION– IEA Task 27IEA Task 27
– IEA Task 30IEA Task 30
– International round-robinsInternational round-robins
INTERNATIONAL: STANDARDS DEVELOPMENTINTERNATIONAL: STANDARDS DEVELOPMENT– ISO TC 163/WG2: ISO 15099, 10077-1, 10077-2ISO TC 163/WG2: ISO 15099, 10077-1, 10077-2
– ISO TC 163/WG14: ISO 8990, 12567-1, 12567-2ISO TC 163/WG14: ISO 8990, 12567-1, 12567-2
Universal certificationUniversal certification
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
TATECTATEC
Assistance in updating testing and simulation Assistance in updating testing and simulation standardsstandards
Translation of key documentsTranslation of key documents Workshops and seminarsWorkshops and seminars Scientific collaborationScientific collaboration Assistance in upgrading testing equipmentAssistance in upgrading testing equipment Visiting scientistsVisiting scientists Help improve efficiency of fenestration Help improve efficiency of fenestration
products for reduction in energy use and products for reduction in energy use and pollution reductionpollution reduction
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
TRAINING AND SEMINARSTRAINING AND SEMINARS
International and Domestic Training International and Domestic Training Workshops and SeminarsWorkshops and Seminars
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
IEA TASK 27IEA TASK 27
Important international collaborative task in Important international collaborative task in fenestration technologyfenestration technology
Not well supported from US sideNot well supported from US side Leverage research dollars with other countriesLeverage research dollars with other countries Peer review of our and others scientific resultsPeer review of our and others scientific results Keeping informed about major research Keeping informed about major research
accomplishments in other countriesaccomplishments in other countries Visit important scientific facilitiesVisit important scientific facilities C. Curcija subtask A1 co-leaderC. Curcija subtask A1 co-leader
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
ISO TC 163ISO TC 163
Important for harmonization effortsImportant for harmonization efforts Additional scientific exchange and peer Additional scientific exchange and peer
reviewreview Ties into TATEC efforts by involving TATEC Ties into TATEC efforts by involving TATEC
scientists in ISO efforts and keeping them up scientists in ISO efforts and keeping them up to dateto date
Visit research facilities and centersVisit research facilities and centers Universal certification supportUniversal certification support
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
WHY INTERNATIONAL WHY INTERNATIONAL COLLABORATION?COLLABORATION?
Leveraging national dollars with resources Leveraging national dollars with resources from other developed countriesfrom other developed countries
Exchange of ideas and transfer of technology Exchange of ideas and transfer of technology that was developed by other countriesthat was developed by other countries
Reduction of trade barriers by developing Reduction of trade barriers by developing harmonized standards and certification harmonized standards and certification proceduresprocedures
Assistance to developing countries to reduce Assistance to developing countries to reduce the pollution and green house emissionsthe pollution and green house emissions
Generating international friends with good Generating international friends with good faith effort instead of generating terrorists with faith effort instead of generating terrorists with arrogancearrogance
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
MAJOR ACCOMPLISHEMENTS TO MAJOR ACCOMPLISHEMENTS TO DATEDATE
Developed first generation CR modelsDeveloped first generation CR models Second generation of CR models near completionSecond generation of CR models near completion Developed computer models of IR and hot-box facil.Developed computer models of IR and hot-box facil. New set of improved convection boundary New set of improved convection boundary
conditions being completedconditions being completed Developed concept of ViTTeFDeveloped concept of ViTTeF New generation of thermal testing facility designedNew generation of thermal testing facility designed Developed effective 3-D fenestration modelsDeveloped effective 3-D fenestration models Algorithms for 3-D effects being completed.Algorithms for 3-D effects being completed.
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
MAJOR ACCOMPLISHEMENTS TO MAJOR ACCOMPLISHEMENTS TO DATE – Cont.DATE – Cont.
Completed landmark fenestration standardsCompleted landmark fenestration standards Accomplished harmonization of several Accomplished harmonization of several
standardsstandards Developed concept of universal harmonizationDeveloped concept of universal harmonization Maintain active international collaboration and Maintain active international collaboration and
exchange of methods and computer toolsexchange of methods and computer tools Increased acceptance of US standards and Increased acceptance of US standards and
computer tools abroadcomputer tools abroad Set the foundation for the future scientific Set the foundation for the future scientific
workwork
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
FUTURE AREAS OF RESEARCHFUTURE AREAS OF RESEARCH
Why do we need further research?Why do we need further research? Why are we even asked this question? Isn’t it Why are we even asked this question? Isn’t it
kind of obvious?kind of obvious? In the past 20 years of increased spending in In the past 20 years of increased spending in
fenestration research, we have accomplished fenestration research, we have accomplished significant improvement in energy efficiencysignificant improvement in energy efficiency
In order to accomplish ambitious goals of smart In order to accomplish ambitious goals of smart buildings and zero energy buildings by 2025:buildings and zero energy buildings by 2025:– Need new technologiesNeed new technologies
– Need improved tools to evaluate these Need improved tools to evaluate these methodologiesmethodologies
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
FUTURE AREAS OF RESEARCH – FUTURE AREAS OF RESEARCH – Cont.Cont.
– Windows are part of building, not isolated – need to Windows are part of building, not isolated – need to model integrated performancemodel integrated performance
– Increased complexity will require much better Increased complexity will require much better methodologies and toolsmethodologies and tools
– Improvements in computer modeling and computer Improvements in computer modeling and computer technology will require major revamp of computer technology will require major revamp of computer toolstools
– Need to develop integrated tools for whole building Need to develop integrated tools for whole building performance with fenestration being integral partperformance with fenestration being integral part
In the past couple of years several written In the past couple of years several written contributions substantiating the need for morecontributions substantiating the need for more
Center for Energy Efficiency and Renewable Energy at University of Massachusetts
FUTURE AREAS OF RESEARCH – FUTURE AREAS OF RESEARCH – Cont.Cont.
Umass proposed contribution:Umass proposed contribution:– Convective model of complex fenestration systems, Convective model of complex fenestration systems,
both inside the glazing cavity and on indoor/outdoor both inside the glazing cavity and on indoor/outdoor surfacessurfaces
– Modeling evacuated glazing and fenestration products Modeling evacuated glazing and fenestration products incorporating such glazingincorporating such glazing
– Development of transient (dynamic) models for Development of transient (dynamic) models for dynamic systems (i.e., electrochromics, phase change, dynamic systems (i.e., electrochromics, phase change, etc.)etc.)
– Extension of SHG to 2-D and 3-DExtension of SHG to 2-D and 3-D
– Integrated window-wall performanceIntegrated window-wall performance
– Integration into the whole building energy analysisIntegration into the whole building energy analysis