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INDAQS Indoor Air Quality Simulator with Interactive Consumer & Lab Interface

INDAQS Indoor Air Quality Simulator with Interactive Consumer & Lab Interface. Janet Guntly and Amber Loftis Advisors: Dr. Tauritz and Dr. Morrison Mentors: Ekaterina Holdener and Meredith Springs Department of Computer Science Department of Civil, Architectural, and Environmental Engineering

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INDAQS Indoor Air Quality Simulator with Interactive Consumer & Lab Interface

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  1. INDAQSIndoor Air Quality Simulatorwith Interactive Consumer & Lab Interface Janet Guntly and Amber Loftis Advisors: Dr. Tauritz and Dr. Morrison Mentors: Ekaterina Holdener and Meredith Springs Department of Computer Science Department of Civil, Architectural, and Environmental Engineering Sponsored by CRA-W

  2. Among top five environmental health risks1 Americans spend 90% of time indoors2 Exposure to pollutants can result in allergies, irritations, respiratory illnesses, and cancer4 Costs US roughly $160 billion a year3 Motivation

  3. Raise consumer awareness Improve consumer health Provide easy computational research tool Undergraduate research Interdisciplinary collaboration Extracurricular learning Exposed to graduate style learning Goals

  4. Consumer What happens to the air quality in my home when I use cleaning supplies? Is my air purifier improving my indoor air quality? Researchers What is the deposition velocity and is a mistake possible? What is the concentration of ozone in the chamber for α-pinene experiments? Questions

  5. CONTAM Overly complex for consumers http://www.bfrl.nist.gov/IAQanalysis/ University of Texas at Austin Insufficient for our types of questions No data interpretation http://www.ce.utexas.edu/bmeb/index.cfm Existing Simulations

  6. Equations • Steady state rate model • Nazaroff (1986)5 and Carslaw (2007)6

  7. Determined acceptable ranges and estimated default values Aggregation of values identified during extensive literature search Developing Model Input

  8. Murray and Burnmaster (1995)7 Range: 0.05 - 6.5 Mean for US: 0.5 Mostly for windows closed Howard-Reed (2002)8 Range: 0.10 – 0.82 windows closed 0.44 - 1.66 windows open Example: Air Exchange Rate

  9. Common backend for consumer and lab interfaces Solves the set of equations for user-selected unknowns Employs the GNU Scientific Library (GSL) for Multidimensional Root-Finding9 Simulation Engine

  10. Consumer Interface

  11. Lab Interface

  12. Indoor air quality is a critical, but under-researched health concern Determined acceptable variable ranges and values for common indoor air equations Common simulation engine powers both lab and consumer interfaces Summary

  13. Validate solutions and acceptable ranges Dynamic temporal-spatial equations Lab tests for a specific emission or source Add more features to the interfaces More scenarios Add animation Advanced integrated interface Future Work

  14. Template simulation engine for other uses (i.e., medical) Empower consumers to make informed decisions Increase productivity of researchers Impacts

  15. Computing Research Association Committee on the Status of Women in Computing Research (CRA-W) Program: Multidisciplinary Research Opportunities for Women (MRO-W) Primary Sponsor

  16. Department of Computer Science Department of Chemical Engineering Department of Civil, Architectural and Environmental Engineering Women’s Leadership Institute Academic Affairs Intelligent Systems Center Missouri S&T Sponsors

  17. 1 Guide to Air Cleaners in the Home. United States Environmental Protection Agency. Office of Air and Radiation, Oct. 2007. 2 Spengler, John and Samet, Jonathan. Indoor Air Quality Handbook. New York: McGraw-Hill, 2000. 3 Fisk, William. E-Vision 2000 Conference, 11-13 Oct. 200, Washington DC. Health and Productivity Gains from Better Indoor Environments and Their. Berkeley: Lawrence Berkeley National Laboratory, 2000. 4 Godish, Thad. Sick Buildings: Definition, Diagnosis and mitigation. Boca Raton: Lewis Publishers Inc., 1995. 5 Nazaroff, William W., and Glen R. Cass. "Mathematical Modelling of Chemically Reactive Pollutants in Indoor Air." Environmental Science & Technology 20 (1986): 924-34. 6 Carslaw, Nicola. "A new detailed chemical model for indoor air pollution." Atmospheric Environment 41 (2007): 1164-179. 7 Murray, Donald M., and David E. Burnmaster. "Residential Air Exchange Rates in the United States: Empirical and Estimated Parametric Distributions by Season and Climatic Region." Risk Analysis 15 (1995): 459-65. 8 Howard-Reed, Cynthia, Lance A. Wallace, and Wayne R. Ott. "The Effect of OPening Windows on Air Change Rates in Two Homes." Journal of the Air & Waste Management Association 52 (2002): 147-59. 9 <http://www.gnu.org/software/gsl/manual/html_node/ Multidimensional-Root_002dFinding.html>. References

  18. Questions?

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