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Search Publications by: Steven Emmerich (Fed)

Displaying 151 - 159 of 159

Natural Ventilation Review and Plan for Design and Analysis Tools

August 1, 2001

Author(s)

Steven J. Emmerich, William S. Dols, James W. Axley

Natural ventilation has the potential to reduce first costs and operating costs for some commercial buildings while maintaining ventilation rates consistent with acceptable indoor air quality. While a recent surge of interest in Europe has advanced natural

State-of-the-Art Review of CO 2 Demand Controlled Ventilation Technology and Application

July 1, 2001

Author(s)

Steven J. Emmerich, Andrew K. Persily

The control of outdoor air intake rates in mechanically ventilated buildings based on indoor carbon dioxide (CO 2) levels, often referred to as CO 2 demand controlled ventilation (DCV), has the potential for reducing the energy consumption associated with

Validation of Multizone IAQ Modeling of Residential-Scale Buildings: A Review

January 1, 2001

Author(s)

Steven J. Emmerich

This paper reviews validation studies of the application of multizone indoor air quality (IAQ) models to residential-scale buildings. This review focuses on empirical verification efforts, although models have also been subjected to analytical verification

Measurement and Simulation of the IAQ Impact of Particle Cleaners in a Single-Zone Building

February 1, 2000

Author(s)

Steven J. Emmerich, Steven J. Nabinger

This report describes the initial phase of an effort to evaluate the ability of multizone airflow and pollutant transport models to predict the impact of residential IAQ control technologies. Measurements of the performance of several particulate air

Energy Impacts of Infiltration and Ventilation in U.S. Office Buildings Using Multizone Airflow Simulation

June 1, 1999

Author(s)

Andrew K. Persily, Steven J. Emmerich

With exception of a few analyses of the impacts of ANSI/ASHRAE Standard 62-1989 and energy use in specific buildings, the energy used in commercial buildings due to infiltration and ventilation flows has received little attention. However, as improvements

Application of a Large Eddy Simulation Model to Study Room Airflow.

January 1, 1998

Author(s)

Steven J. Emmerich, Kevin B. McGrattan

A three-dimensional, large eddy simulation (LES) model developed for studying the transport of smoke and hot gases during afire in an enclosure is described. The model uses finite digerence techniques to solve the Navier-Stokes equations with an approach

Multizone Modeling of Three Residential Indoor Air Quality Control Options

March 1, 1996

Author(s)

Steven J. Emmerich, Andrew K. Persily

The National Institute of Standards and Technology (NIST) performed a preliminary study of the use of central forced-air heating and cooling system modifications to control indoor air quality (IAQ) in residential buildings. The objective of this effort was

A Workplan to Analyze the Energy Impacts of Envelope Airtightness in Office Buildings

December 1, 1995

Author(s)

Steven J. Emmerich, Andrew K. Persily

US. office buildings consume approximately 1.2 EJ (1.1 Quadrillion BTUS or Quads) of energy, 0.72 EJ (0.68 Quads) of which is associated with space heating, cooling, and ventilation. These estimates, and other analyses of energy consumption in oillce

Application of a Multi-Zone Airflow and Contaminant Dispersal Model to Indoor Air Quality Control in Residential Buildings.

September 27, 1994

Author(s)

Steven J. Emmerich, Andrew K. Persily, George Walton

A new multizone airflow and contaminant dispersal model CONTAM93 is described, along with a demonstration of its application in a study of ventilation and contaminant control in single-family residential buildings. While CONTAM93 is based on existing

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