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Search Publications by: Steven Emmerich (Fed)

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Displaying 101 - 125 of 156

ASHRAE Standard 62.2: What is it, what’s new, and who’s using it

March 25, 2011
Author(s)
Steven J. Emmerich
Readers of the November 2010 IAQ Applications column by Bud Offermann learned about a large, residential IAQ study that highlighted the importance of mechanical ventilation in U.S. homes. ASHRAE Standard 62.2-2010 Ventilation and Acceptable Indoor Air

Indoor Air Quality in Sustainable, Energy Efficient Buildings

August 15, 2010
Author(s)
Andrew K. Persily, Steven J. Emmerich
Building designers, contractors, owners and managers have long been challenged with providing quality indoor environments at a reasonable energy cost. Current efforts to improve building energy efficiency, including goals of netzero energy use, are

Modeled Infiltration Rate Distributions for U.S. Housing

July 18, 2010
Author(s)
Andrew K. Persily, Amy Musser, Steven J. Emmerich
A set of 209 dwellings that represent 80 % of U.S. housing stock was used to generate frequenc distributions of residential ventilation rates. The set of homes is based on an anal sis of the 1997 U.S. Department of Energ s Residential Energ Consumption

Effect of Air Infiltration and Ventilation

November 17, 2009
Author(s)
Andrew K. Persily, Steven J. Emmerich
This chapter discusses the role of air infiltration and ventilation in building moisture transport. While water vapor diffusion can be a very important moisture transport mechanism, as discussed in other chapters, bulk air movement via infiltration and

Building Retrofits for Increased Protection Against Airborne Chemical and Biological Releases

March 1, 2007
Author(s)
Andrew K. Persily, Robert E. Chapman, Steven J. Emmerich, William S. Dols, Heather Davis, Priya D. Lavappa, Amy S. Rushing
Due to concerns about potential airborne chemical and biological (chembio) releases in or near buildings, building owners and managers and other decision makers are considering retrofitting buildings to provide some degree of protection against such events

Characterizing Gaseous Air Cleaner Performance in the Field

March 20, 2006
Author(s)
Cynthia H. Reed, Steven J. Emmerich, Steven J. Nabinger
As part of an ongoing effort to better understand the performance of indoor air cleaners in buildings, the National Institute of Standards and Technology (NIST) has completed a series of gaseous air cleaner field tests and model simulations. This paper

Airtightness of Commercial Buildings in the United States

September 21, 2005
Author(s)
Steven J. Emmerich, Andrew K. Persily
In 1998, Persily published a review of commercial and institutional building airtightness data that found significant levels of air leakage and debunked the myth of the airtight commercial building. This paper updates the earlier analysis for the U.S. by

Predicting Gaseous Air Cleaner Performance in the Field

September 4, 2005
Author(s)
Cynthia H. Reed, Steven J. Nabinger, Steven Emmerich
As part of an ongoing effort to better understand the performance of indoor air cleaners in real buildings, the National Institute of Standards and Technology (NIST) has completed a series of air cleaner field tests and model simulations. This paper

Ranking Interventions to Improve Inner-City Housing Indoor Air Quality

June 24, 2005
Author(s)
Steven J. Emmerich, Cynthia H. Reed
The U.S. Department of Housing and Urban Development (HUD) has identified a need to improve urban housing conditions to protect children s health through its Healthy Homes Initiative (HHI). One critical area within this program is to address a wide range

Modeling the IAQ Impact of HHI Interventions in Inner-City Housing

March 1, 2005
Author(s)
Steven J. Emmerich, Cynthia H. Reed
The U.S. Department of Housing and Urban Development (HUD) has identified a need to improve urban housing conditions to protect children s health through its Healthy Homes Initiative (HHI). One critical area within this program is to address a wide range

Source Strengths of Ultrafine and Fine Particles Due to Cooking With a Gas Stove

April 1, 2004
Author(s)
L A. Wallace, Steven Emmerich, Cynthia H. Reed
Cooking, particularly frying, is an important source of particles indoors. Few studies have measured a full range of particle sizes produced during cooking. In this study, particles in 124 size bins from 0.01 mm to 2.5 mm were measured continuously over