NIST DEVELOPS DATA LIBRARIES FOR AIRFLOW MODELING.

NIST has developed databases for use in multizone airflow modeling, such as that performed with the NIST-developed airflow and indoor air quality simulation program CONTAMW. Multizone airflow and indoor quality models enable the analysis of building airflow patterns and airborne contaminants in multizone building airflow systems. These models have been used for a number of years to support indoor air quality and ventilation research efforts, but more recently their practical application by the building industry has increased. A key step in using such models is acquiring the input data used to describe the building that is being studied. In order to achieve NIST's goal of more widespread use of these models by the building industry, an effort is in progress to assemble available input data into a form that is easily accessible by users of CONTAMW and similar programs. A number of data library files have recently been developed as CONTAMW library files, making them easy to access by users of the program. The in put data in these libraries are derived from the published literature, manufacturers data, and building specific measurements. The data in these libraries include leakage characteristics of airflow elements, wind pressure coefficients, and schedules for openings and ventilation systems. These libraries have are documented in NISTIR 6585 and are available at the CONTAMW Web site: www.bfrl.nist.gov/iMZWeb.