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You searched on: Author: William Dols

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1. CONTAM User Guide and Program Documentation Version 3.2
Series: Technical Note (NIST TN)
Report Number: 1887
Published: 9/4/2015
Authors: William S Dols, Brian J Polidoro
Abstract: This manual describes the computer program CONTAM version 3.2 developed by NIST. CONTAM is a multizone indoor air quality and ventilation analysis program designed to help you determine: airflow rates and pressures ‹ infiltration, exfiltration, and r ...

2. Modeling Particle Resuspension for Estimating Exposure to Bacillus Spores
Series: Technical Note (NIST TN)
Report Number: 1841
Published: 6/11/2015
Authors: William S Dols, Andrew Keith Persily
Abstract: A key challenge in assessing the risks of low level contaminations following biological threat agent releases, and subsequent decontamination, is developing an understanding of and addressing the potential for airborne resuspension of agents that ...

3. CONTAM To EnergyPlus Infiltration Features of the CONTAM Results Export Tool
Series: Technical Note (NIST TN)
Report Number: 1873
Published: 3/30/2015
Authors: Brian J Polidoro, Lisa C Ng, William S Dols, Steven J Emmerich, Andrew Keith Persily
Abstract: As building envelope performance and HVAC equipment efficiencies continue to be improved to reduce building energy use, a greater percentage of the total energy loss of a building can occur through envelope leakage. Although the energy impacts of ...

4. Development and Application of an Updated Whole-Building Coupled Thermal, Airflow, and Contaminant Transport Simulation Program (TRNSYS/CONTAM)
Published: 7/23/2014
Authors: William S Dols, Wang Liangzhu, Steven J Emmerich, Brian J Polidoro
Abstract: The TRNSYS energy analysis tool has been capable of simulating whole building coupled heat transfer and building airflow for several years. The current implementation is based on two TRNSYS modules Type 56 and Type 97. Type 97 is based on a subset of ...

5. Evaluating Building Ventilation Strategies Using Newly-Developed TRNSYS/CONTAM Simulation Capabilities
Published: 4/3/2014
Authors: William S Dols, Steven J Emmerich, Brian J Polidoro
Abstract: Building energy analysis tools are available in many forms that provide the ability to address a broad spectrum of energy-related issues in various combinations. Often these tools operate in isolation from one another, making it difficult to evaluate ...

6. Application of a Natural Ventilation System Design Tool To A School Building
Published: 11/8/2013
Authors: Steven J Emmerich, William S Dols, Brian J Polidoro
Abstract: A software tool to aid in the design of natural ventilation systems has recently been udpated. This update implements a general method for sizing of natural ventilation components, which allows direct consideration of stack and wind-driven airflow. T ...

7. A stiff variable time step transport solver for CONTAM
Published: 5/10/2013
Authors: David M Lorenzetti, William S Dols, Andrew Keith Persily, Michael D Sohn
Abstract: CONTAM, a multizone model for predicting whole-building airflow and contaminant transport, has been updated to improve the speed and accuracy of its transport calculations. CVODE, a general-purpose code for solving ordinary differential equatio ...

8. Using multi-zone modeling of particle transport to support building design
Published: 2/21/2013
Authors: Dong H. Rim, Andrew Keith Persily, Lance L. Wallace, William S Dols, Steven J Emmerich
Abstract: As building design and operation changes to meet the goals of sustainability, it is critical to address indoor air quality issues such that indoor environmental conditions are maintained. Among the indoor air contaminants of concern in this context a ...

9. 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 ...

10. 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 ...

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