• ASHRAE 129 : 1997

    Current The latest, up-to-date edition.

    MEASURING AIR-CHANGE EFFECTIVENESS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-1997

    Publisher:  American Society of Heating, Refrigerating & Air Conditioning Engineers

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Purpose
    2 Scope
    3 Definitions
    4 Criteria for Acceptable Test Space
    5 Instruments and Apparatus
    6 Procedures for Measuring Air-Change Effectiveness
    7 Calculations
    8 Reporting of Information on Test Space and HVAC System
    9 References
    Appendix A - Bibliography
    Appendix B - Relationship of Air-Change Effectiveness to Design
                 Ventilation Rates in ANSI/ASHRAE Standard 62-2001
    Appendix C - Exact Equations for Calculating Age of Air from Tracer
                 Gas Concentrations
    Appendix D - Determination of Average Tracer Gas Concentration from
                 a Series of Concentration Measurements with Uneven Time
                 Intervals Between Measurements
    Appendix E - Measurement Uncertainty
    Appendix F - Selecting the Tracer Decay or Tracer Step-Up Methods
    Appendix G - Estimation of Tracer Gas Injection Rates
    Appendix H - Recommended Procedure for Ensuring Negligible Leakage
                 in Sampling Systems

    Abstract - (Show below) - (Hide below)

    Describes a method for measuring air-change effectiveness in mechanically ventilated spaces and buildings that meet specified criteria.

    General Product Information - (Show below) - (Hide below)

    Committee TC 5.3
    Document Type Standard
    Publisher American Society of Heating, Refrigerating & Air Conditioning Engineers
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    ASHRAE 62.1 : 2016 VENTILATION FOR ACCEPTABLE INDOOR AIR QUALITY
    ASHRAE GUIDELINE 14 : 2014 MEASUREMENT OF ENERGY, DEMAND, AND WATER SAVINGS
    ANSI/ASSP Z9.10 : 2017 FUNDAMENTALS GOVERNING THE DESIGN AND OPERATION OF DILUTION VENTILATION SYSTEMS IN INDUSTRIAL OCCUPANCIES
    CSA Z8000 : 2011 : R2016 CANADIAN HEALTH CARE FACILITIES
    CSA Z8000 : 2011 CANADIAN HEALTH CARE FACILITIES
    CSA Z8000 : 2011 : INC : UPD 1 : 2013 CANADIAN HEALTH CARE FACILITIES
    AIHA Z9.10 : 2010 FUNDAMENTALS GOVERNING THE DESIGN AND OPERATION OF DILUTION VENTILATION SYSTEMS IN INDUSTRIAL OCCUPANCIES
    ASHRAE HDBK REFRIGERATION : 2014 ASHRAE HANDBOOK - REFRIGERATION
    BS ISO 16814:2008 Building environment design. Indoor air quality. Methods of expressing the quality of indoor air for human occupancy
    ISO 16814:2008 Building environment design Indoor air quality Methods of expressing the quality of indoor air for human occupancy
    ASTM E 2267 : 2004 : R2013 Standard Guide for Specifying and Evaluating Performance of Single Family Attached and Detached Dwellings—Indoor Air Quality (Withdrawn 2022)
    ASTM E 2267 : 2004 Standard Guide for Specifying and Evaluating Performance of Single Family Attached and Detached Dwellings-Indoor Air Quality
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