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PASSIVE SOLAR IN COMPUTER AIDED URBAN DESIGN.

Objective



ONE OF THE MOST SIGNIFICANT RESULTS OF LAST DECADE'S NEW ENERGIES RESEARCH IS THE INTEGRATION OF SOLAR SYSTEMS INTO THE ARCHITECTURAL DESIGN OF INDIVIDUAL HOUSES AND BUILDINGS. YET, TO FACILITATE THE LARGE SCALE DEVELOPMENT OF SOLAR ARCHITECTURE, THIS IN TURN WILL HAVE TO BE INTEGRATED INTO THE REGULAR URBAN DESIGN PRACTICE OF TOWNS AND CITIES. TO ADDRESS THIS POTENTIAL BOTTLENECK, A FEASIBILITY STUDY WAS MADE ON LARGE SCALE USE OF PASSIVE SOLAR ENERGY IN THE MUNICIPALITY OF HAARLEMMERMEER, HOLLAND AS EARLY AS 1981. THE CONCLUSION OF THIS STUDY LED TO THE DEVELOPMENT OF A DEMONSTRATION PROJECT OF 275 HOUSES IN ONE OF HAARLEMMERMEER'S TOWN EXTENSIONS (OVERBOS 8). THIS DEVELOPMENT, ALTHOUGH SUCCESSFUL IN ENERGY AND COMFORT TERMS, SHOWED THAT SOLAR ARCHITECTURE IS IN FACT FACING THE URBAN DESIGNER WITH A DILEMMA.
IN ORDER TO MANAGE THE COMPLEXITY OF THE URBAN DESIGN PROCESS, THE CONVENTIONAL WAY OF WORK ADHERES TO A TOP-DOWN DEVELOPMENT. IN THIS LINEAR PROCESS, DETAILED ARCHITECTURAL ASPECTS HAVE NO PLACE. YET SOLAR ARCHITECTURE ASKS FOR ITERATIVE LOOPS IN WHICH DETAILS LIKE GLAZING, ROOF SHAPES AND SHADOW FROM OTHER BUILDINGS ARE TO BE CONSIDERED ON THE URBAN DESIGN LEVEL. THIS NECESSITY OF CREATING ITERATIVE LOOPS BETWEEN GLOBAL (URBAN) DESIGN AND DETAILED (ARCHITECTURAL) DESIGN IS NOT CONFINED TO SOLAR ISSUES ALONE THOUGH. THE NEED FOR FEED-BACK LOOPS IN DESIGNING IS THE "RAISON D'ETRE" FOR MOST COMPUTER AIDED DESIGN SYSTEMS. PRESUMINGLY ONE OF THE MOST EFFECTIVE WAYS OF INTEGRATING SOLAR ARCHITECTURE INTO THE URBAN DESIGN PROCESS IS THEREFORE TO INTEGRATE IT WITH THE ONGOING DEVELOPMENTS IN COMPUTER AIDED-URBAN-DESIGN.
THIS ABSTRACT REPORTS ON THE FINAL STAGE OF A PROJECT AIMED AT INTEGRATING PASSIVE SOLAR ASPECTS INTO A COMPUTER AIDED URBAN DESIGN SYSTEM. THE PROJECT IS CALLED PASCAUD, PASSIVE SOLAR IN COMPUTER AIDED URBAN DESIGN AND IS CARRIED OUT AS A CASE-STUDY IN THE MUNICIPALITY OF HAARLEMMERMEER. THE STUDY ADHERES TO A STANDARD METHODOLOGY OF SYSTEMS DEVELOPMENT AND IS UP TO THE FINAL PHASE AT PRESENT. THE END-PRODUCT OF THIS PHASE WILL CONTAIN A SOFTWARE PACKAGE FOR THE INTERGRAPH CAD SYSTEM OF HAARLEMMERMEER, A MANUAL AND A FINAL REPORT. THIS FINAL REPORT WILL DESCRIBE THE:
- INFORMATION REQUIREMENTS MODEL OF THE URBAN DESIGN PROCESS,
- TECHNICAL DESIGN DETAILS OF THE SOFTWARE THAT IS TAILORED TO THIS MODEL,
- USABILITY OF THE SOFTWARE,
- REUSABILITY OF THE SOFTWARE MODULES FOR MODIFICATION PURPOSES AND FOR TRANSLATION ON COMPUTERS OF DIFFERENT MANUFACTURERS,
- REUSABILITY OF THE SOFTWARE DEVELOPMENT PROCESS ITSELF.
IT WILL ALSO CONTAIN A COMPARISON WITH THE REUSABILITY APPROACH OF THE SOFTWARE TECHNOLOGY OBJECTIVES OF ESPRIT. AND IT WILL ASSESS THE USE OF THE SOFTWARE DEVELOPMENT TOOL BLUES AS A WAY TO ATTAIN STATE-OF-THE-ART REUSABILITY OF ENERGY SOFTWARE.

Funding Scheme

CSC - Cost-sharing contracts

Coordinator

FUGRO ENGINEERS B.V.
Address
10,Veurse Achterweg 10
2260 AG Leidschendam
Netherlands