BFRL Staff | Stuart  Dols
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  Photograph of Stuart Dols   Mr. Dols' current activities include the development of a Microsoft Windows-based indoor air quality and ventilation modeling software program and the development of commercial hot water heater test procedures for the Department of Energy. Mr. Dols is converting an indoor air quality (IAQ) modeling software program from a DOS-based version to a Windows version. The current DOS-based version of the program is referred to as *CONTAM96* and it is used to perform contaminant dispersal and airflow simulations. The new version is being developed as part of a coordinated effort with the National Research Council of Canada (NRCC). NRCC is developing a material emission database which will be accessible by the Windows version of CONTAM.

Mr. Dols is also working on methods for testing and rating commercial water heaters and hot water storage tanks. He is assisting the Department of Energy in developing a Final Rule related to these products. This involves evaluating relevant industry-accepted test procedures for their applicability to these products and developing procedures for those products which do not have an applicable procedure.

Mr. Dols has recently developed an automated tracer gas measurement system. This system consists of a gas chromatograph/ electron capture detector system (GC/ECD), a tracer gas injection system, an airflow monitoring system, an environmental monitoring system, and Windows-based data acquisition and control software developed by Mr. Dols using the LabVIEW® development system.

In the past, Mr. Dols has been involved with developing and implementing an IAQ commissioning program in a newly constructed office building. The commissioning consisted of a review of the building design with respect to indoor air quality and ventilation issues and the measurement of several IAQ and ventilation parameters throughout the construction and initial occupancy of the building. He has also participated in the characterization of ventilation and IAQ in several large office building throughout the U.S. Many of the characterizations involved the use of tracer gas measurement techniques including: whole building decay, age of air, and airflow rate measurement using the pulse injection technique. During his coop internship with NIST he participated in the characterization of formaldehyde emissions from pressed wood products and the development of automated CO2 measurement systems as well as the development several data analysis software programs.
 
 

 

Stuart Dols

Education

University of Maryland, B.S., Mechanical Engineering, 1987B
Johns Hopkins University, M.S., Computer Science, 1995

Position

Mechanical Engineer
Indoor Air Quality and Ventilation Group
Building Environment Division
Building and Fire Research Laboratory
 

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Information Last updated: 11/19/1999