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The Carbon Neutral Design Project:
Carbon Neutral Teaching: Curriculum Materials Development
Gregory D. Thomson
University of Wisconsin-Milwaukee

Spring 2008 UWM Solar Decathlon Carbon Neutral House Project
- mixed UG/G comprehensive design studio (first semester)

Fresh Air / Ventilation

Fresh Air

Design Performance Objective

Ventilation Analysis

Students: UWM Solar Decathlon Team
Software / Tools:

CFD Modeling

Spring 2008 UWM Solar Decathlon Carbon Neutral House Project- mixed UG/G comprehensive design studio (first semester)

Fresh Air / Ventilation

Develop Strategies for natural ventilation.

• course and project outline

Investigative Strategy

Prepare digital simulations of natural ventilation strategies using Computational Fluid Dynamics (CFD).

Evaluation Process

Compare the design intentions to the results of the CFD models, and measure against the verification methods determined during pre-design. The passive cooling through natural ventilation is easy to signal intent with the use of arrows and expected patterns of wind flow.

We have also been using Computational Fluid Dynamics to visualize air-flow patterns in the building. This is something that crosses the line between rule-of-thumb, and detailed cooling analysis, into energy modeling, but is worth mentioning as it is one of the few ways to visualize natural ventilation strategies without doing wind tunnel or full-scale testing.

Evaluative Criteria


Cautions - Possible Confusions
Range of Applicability in terms of CLIMATE
Range of Applicability in terms of TYPE
Reference Material

Duration of Exercise

Degree of Difficulty / Previous Knowledge Required



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