Comparison of measured and predicted infiltration using the LBL infiltration model
The LBL infiltration model was developed in 1980; since that time many simultaneous measurements of infiltration and weather have been made allowing comparison of predictions with measured infiltration. This report presents the LBL model as it currently exists and summarizes infiltration measurements and corresponding predictions. These measurements include both long-term and short-term data taken in houses with climates ranging from the mild San Fransisco bay area to the more extreme mid-west. This data also provides a database for comparison with other infiltration models and provides a starting point for the determination of the accuracy and precision of air infiltration models. In this report we have presented the LBL infiltration model and have used field data to validate it. For short-term measurements the model predicts to within 20% for well defined environments (e.g. the MITU trailer) and slightly higher for other situations. The long-term (one week) average infiltration is accurate to 7%; in the Owens-Corning houses the long-term average error increases to up to 15%. A detailed examination of the LBL model using data from Mobile Infiltration Test Unit was used to probe the model and suggest areas for future research. 13 refs., 12 figs., 14 tabs.
- Research Organization:
- Lawrence Berkeley Lab., CA (USA)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 5793599
- Report Number(s):
- LBL-17001; CONF-8404147-4; ON: DE85012549
- Resource Relation:
- Conference: ASTM symposium on measured air leakage performance of buildings, Philadelphia, PA, USA, 2 Apr 1984; Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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