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id ddss9442
authors Hensen, Jan
year 1994
title Energy Related Design Decisions Deserve Simulation Approach
source Second Design and Decision Support Systems in Architecture & Urban Planning (Vaals, the Netherlands), August 15-19, 1994
summary Building energy consumption and indoor climate result from complex dynamic thermal interactions between outdoor environment, building structure, heating, ventilating and air-conditioning (HVAC) system and occupants. Apart from a few trivial relations, this reality is too complicated to be casted in simple expressions, rules or graphs. As shown in a previous paper, there are now tools available - in the form of computer simulation systems - which treat the building and plant as an integrated, dynamic system. It is argued that these can and should be used in the context of design decision support and design evaluation related to thermal energy. The paper will give ageneral overview of building energy design tools which range from simplified design tools (SDT's) to comprehensive modelling and simulation systems. It will be demonstrated why SDT's are very limited in scope and range of applicability. With respect to building energy simulation the paper will compare simplified models with comprehensive models in terms of ressource needs, applicability etc. In view of the risk involved when using SDT´s or simplified models, the paper strongly promotes the use of comprehensive tools in combination with emerging intelligent front ends. The message ofthe paper will be: let the machine do the work.
series DDSS
email jan@csru.strathclyde.ac.uk
references Content-type: text/plain
last changed 2003/08/07 14:36
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