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ASHRAE 55 04 2004

ASHRAE 55 04 2004

$25.46

ASHRAE Standard 55-2004 Thermal Environmental Conditions for Human Occupancy

Published By Publication Date Number of Pages
ASHRAE 2004 37
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This standard specifies the combinations of indoor space environment and personal factors that will produce thermal environmental conditions acceptable to 80% or more of the occupants within a space. The environmental factors addressed are temperature, thermal radiation, humidity, and air speed; the personal factors are those of activity and clothing.

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4 Foreword
Foreword
7 Figure 5.2.1.1 Acceptable range of operative temperature and humidity for spaces that meet the criteria specified in Section 5.2.1.1.
Figure 5.2.1.1 Acceptable range of operative temperature and humidity for spaces that meet the criteria specified in Section 5.2.1.1.
Figure 5.2.1.2 Predicted percentage dissatisfied (PPD) as a function of predicted mean vote (PMV).
Figure 5.2.1.2 Predicted percentage dissatisfied (PPD) as a function of predicted mean vote (PMV).
8 TABLE 5.2.1.2 Acceptable Thermal Environment for General Comfort
TABLE 5.2.1.2 Acceptable Thermal Environment for General Comfort
Figure 5.2.3 Air speed required to offset increased temperature.
Figure 5.2.3 Air speed required to offset increased temperature.
9 TABLE 5.2.4 Percentage Dissatisfied Due to Local Discomfort from Draft (DR) or Other Sources (PD)
TABLE 5.2.4 Percentage Dissatisfied Due to Local Discomfort from Draft (DR) or Other Sources (PD)
TABLE 5.2.4.1 Allowable Radiant Temperature Asymmetry
TABLE 5.2.4.1 Allowable Radiant Temperature Asymmetry
Figure 5.2.4.1 Local thermal discomfort caused by radiant asymmetry.
Figure 5.2.4.1 Local thermal discomfort caused by radiant asymmetry.
10 Figure 5.2.4.2 Allowable mean air speed as a function of air temperature and turbulence intensity.
Figure 5.2.4.2 Allowable mean air speed as a function of air temperature and turbulence intensity.
Figure 5.2.4.3 Local thermal discomfort caused by vertical temperature differences.
Figure 5.2.4.3 Local thermal discomfort caused by vertical temperature differences.
Figure 5.2.4.4 Local discomfort caused by warm and cool floors.
Figure 5.2.4.4 Local discomfort caused by warm and cool floors.
11 TABLE 5.2.5.1 Allowable Cyclic Operative Temperature Variation
TABLE 5.2.5.1 Allowable Cyclic Operative Temperature Variation
12 Figure 5.3 Acceptable operative temperature ranges for naturally conditioned spaces.
Figure 5.3 Acceptable operative temperature ranges for naturally conditioned spaces.
17 Normative Appendix A—Activity Levels
Normative Appendix A—Activity Levels
18 Normative Appendix B— Clothing Insulation
Normative Appendix B— Clothing Insulation
20 TABLE B1 Clothing Insulation Values for Typical Ensembles
TABLE B1 Clothing Insulation Values for Typical Ensembles
21 TABLE B2 Garment Insulation
TABLE B2 Garment Insulation
22 Informative Appendix C— Acceptable Approximation for Operative Temperature
Informative Appendix C— Acceptable Approximation for Operative Temperature
23 Normative Appendix D—Computer Program for Calculation of PMV-PPD
Normative Appendix D—Computer Program for Calculation of PMV-PPD
25 Informative Appendix E— Thermal Environment Survey
Informative Appendix E— Thermal Environment Survey
27 Informative Appendix F—Bibliography
Informative Appendix F—Bibliography
35 Foreword
Foreword
7.5 Mechanical Equipment Operating Conditions. In order to determine appropriate corrective actions following the use of this standard to analyze the environment, the following operations of the mechanical system shall be measured concurrently with t…
7.5 Mechanical Equipment Operating Conditions. In order to determine appropriate corrective actions following the use of this standard to analyze the environment, the following operations of the mechanical system shall be measured concurrently with t…
36 Foreword
Foreword

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ASHRAE 55 04 2004
$25.46