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ASHRAE Guideline 33-2021 -- Guideline for Documenting Indoor Airflow and Contaminant Transport Modeling, 2021
- ASHRAE Guideline 33-2021 [Go to Page]
- CONTENTS
- FOREWORD
- 1. PURPOSE
- 2. SCOPE
- 3. DEFINITIONS
- 4. PROJECT DOCUMENTATION [Go to Page]
- 4.1 Project Description. Provide an overview of the project, the type of analysis being performed, and the tools used to perform the analysis. These might include the type of structure (e.g., whole building or section of a building) and its geographi...
- 4.2 Objectives. Provide a statement of the overall objectives of the modeling study. Analysis tools often provide the option of implementing various modeling assumptions that are built into the tool. The objectives of a building simulation study can ...
- 5. BUILDING DESCRIPTION [Go to Page]
- 5.1 Site. Provide descriptions of building location, building shape and orientation, and surrounding terrain, including sketches, site plans, and images. Provide general climatic information, including climate zone, temperature range, and prevailing ...
- 5.2 Drawings and Plans. Include references to building plans upon which the building information is based (e.g., drawing numbers and dates). These could include conceptual sketches, floor plans, elevation drawings, HVAC riser diagrams, sequences of o...
- 5.3 Layout and Dimensions. Provide a description of the number of floors above and below grade, space usage, layout, and dimensions of representative building floor plans. Provide nominal building volume and envelope surface area distinguished by abo...
- 5.4 Ventilation Systems
- 5.5 Measurement Data
- 6. MULTIZONE MODELING DOCUMENTATION [Go to Page]
- 6.1 Background. Provide an overview of the modeling software used, the name and version, the main features and assumptions employed, and any results analysis utilities incorporated for this study. Describe the overall approach employed during the mod...
- 6.2 Model Inputs. This section provides a comprehensive description of the building representation(s) developed in order to allow those that commissioned the study or those evaluating its results to assess the building model(s) that were employed in ...
- 6.3 Model Input Verification Tests. Provide a summary of the model tests performed to verify that inputs are adequate to the purposes of exercising the model for the goals of the study. For the purposes of this document, verification refers to establ...
- 7. CFD MODELING DOCUMENTATION [Go to Page]
- 7.1 Background. Provide an overview of the CFD software/code being employed for the purposes of the current study. The documentation should include the name and version of the software, governing equations, turbulence models, assumptions, limitations...
- 7.2 Model Inputs
- 8. RESULTS [Go to Page]
- 8.1 Overview. Provide an overview of the results obtained, including the type of metrics employed to evaluate the performance of the model for the purposes of achieving the objectives of the study.
- 8.2 Metrics. Provide the set of metrics used to evaluate model results. If established early in the study, these metrics can aid in defining model inputs to ease calculations of metrics with the outputs of the analysis tool. Describe the means by whi...
- 8.3 Conclusions and Recommendations. Provide a set of conclusions based on the metrics presented. Conclusions should indicate the degree of success to which the objectives of the study were met. Provide recommendations as necessary for the purposes o...
- 8.4 Results Files. Provide the set of results files, including immediate outputs of analysis tools and files that contain calculations of metrics used to support conclusions and recommendations of the study. In some cases, it may be prohibitive to pr...
- 8.5 References. Provide a list of references that were used to support the various phases of the study, including version information of analysis tools, analysis tool manuals, and similar studies.
- 9. REFERENCES [Go to Page]
