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You searched on: Author: william dols

Displaying records 11 to 20 of 39 records.
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11. Multi-zone Modeling of Size- Resolved Outdoor Ultrafine Particle Entry into a Test House
Published: 12/11/2012
Authors: Dong H. Rim, Andrew Keith Persily, Lance L. Wallace, William S Dols, Steven J Emmerich
Abstract: Airborne particle transport into buildings is important for human exposure to particles and associated health effects. The present study investigated the entry of size-resolved outdoor ultrafine particles into a test building under three different ve ...

12. NIST Technical Note 1735 LoopDA 3.0- Natural Ventilation Design and Analysis Software User Guide
Series: Technical Note (NIST TN)
Report Number: 1735
Published: 2/22/2012
Authors: William S Dols, Steven J Emmerich, Brian J Polidoro
Abstract: LoopDA 3.0 is an update to version 1.0 of the natural ventlation design tool developed by the Natural Institute of Standards and Technology. This software tool can be utilized to determine the size of natural ventilation openings necessary to pro ...

13. Model Development and Validation for Particle Release Experiments in a Two-story Office Building
Series: Technical Note (NIST TN)
Report Number: 1703
Published: 10/5/2011
Authors: William S Dols, Andrew Keith Persily, Jayne B Morrow

14. Volatile Organic Compound Concentrations and Estimation of Optimal Source Strengths to Achieve a High Level of Acceptance Indoors using Multi- Zone Simulation
Published: 6/5/2011
Authors: Helena Jarnstrom, William S Dols, Cynthia H. Reed, Andrew Keith Persily
Abstract: This study investigated the possibility of identifying chemical pollutant profiles and concentration levels that result in a high level of acceptance indoors. In addition, a multi-zone simulation tool, CONTAM, developed by the National Institute of S ...

15. Simultaneous Solutions of Coupled Thermal Airflow Problem for Natural Ventilation in Buildings
Published: 5/11/2011
Authors: Steven J Emmerich, William S Dols, Liangzhu (Leon) Wang
Abstract: Natural and hybrid ventilation are sustainable building ventilation strategies, where airflow is driven naturally by thermal buoyancy and/or wind forces other than pure mechanical means. The simulation and design of these systems thus need to conside ...

16. An Introduction to the CFD Capabilities in CONTAM 3.0
Published: 11/4/2010
Authors: Wang Liangzhu, William S Dols, Qingyan Chen

17. Using CFD Capabilities of CONTAM 3.0 for Simulating Airflow and Contaminant Transport In and Around Buildings
Published: 11/4/2010
Authors: Wang Liangzhu, William S Dols, Qingyan Chen
Abstract: CONTAM is a multizone building airflow and contaminant transport computer program often used for ventilation and indoor air quality analysis. The program was recently enhanced to incorporate CFD capabilities for both external and internal environment ...

18. Impacts of Airtightening Retrofits on Ventilation Rates and Energy Consumption in a Manufactured Home
Series: Technical Note (NIST TN)
Report Number: 1673
Published: 9/30/2010
Authors: Steven J Nabinger, Andrew Keith Persily, William S Dols
Abstract: A retrofit study was conducted in a manufactured house to investigate the impacts of airtightening on ventilation rates and energy consumption. This paper describes the retrofits and the results of the pre- and post-retrofit assessment of building ai ...

19. Development and Demonstration of a Method to Evaluate Bio-Sampling Strategies Using Building Simulation and Sample Planning Software
Published: 6/10/2010
Authors: William S Dols, Jayne B Morrow, Andrew Keith Persily, Brett Matzke, Landon Sego, Lisa Nuffer, Brent Pulsipher
Abstract: response and recovery sampling approaches and technologies, the U.S. Department of Homeland Security (DHS), along with several other agencies, have simulated a biothreat agent release within a facility at Idaho National Laboratory (INL) on two separa ...

20. Airtightness Evaluation of Shelter-in-Place Spaces for Protection Against Airborne Chembio Releases
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7546
Published: 10/15/2009
Authors: Andrew Keith Persily, Heather Davis, Steven J Emmerich, William S Dols
Abstract: Due to concerns about potential airborne chemical and biological releases in or near buildings, building owners and managers and other decision makers are faced with a number of options for increasing their building s level of protection against su ...

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