air flow

Mechanical equipment may influence the airflow between rooms in a number of ways: 1) There is the direct airflow through ducts using supplies and returns. This approach may be just a single pass system where supply air enters and exhaust leave

This document describes preliminary work towards validating models that predict airflow rates between several zones. It is preliminary in the sense that it examines the quality and definition of physical data needed for a more testing and thorough validation. The exercise has used a version of the multi-zone computer model developed by Walton at the National Bureau of Standards with some modifications to the treatment of wind pressure coefficients.