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Design Considerations for Datacom Equipment Centers 2nd ed. [Hardback]

  • Formāts: Hardback, 210 pages, illustrations
  • Izdošanas datums: 01-Jan-2009
  • Izdevniecība: American Society of Heating Refrigerating and Air-Conditioning Engineers
  • ISBN-10: 1933742488
  • ISBN-13: 9781933742489
Citas grāmatas par šo tēmu:
Design Considerations for Datacom Equipment Centers 2nd ed.
  • Formāts: Hardback, 210 pages, illustrations
  • Izdošanas datums: 01-Jan-2009
  • Izdevniecība: American Society of Heating Refrigerating and Air-Conditioning Engineers
  • ISBN-10: 1933742488
  • ISBN-13: 9781933742489
Citas grāmatas par šo tēmu:
Permanent link: https://www.kriso.lv/db/9781933742489.html
Keywords:
Preface to the Second Edition ix
Acknowledgments xi
Chapter 1 Introduction 1
Part I: Datacom Facility Basics
Chapter 2 Design Criteria
7
2.1 Overview
7
2.2 Environmental Requirements
8
2.3 Temperature
9
2.4 Temperature Rate of Change
12
2.5 Humidity
13
2.6 Filtration and Contamination
13
2.7 Ventilation
14
2.8 Envelope Considerations
15
2.9 Human Comfort
15
2.10 Flexibility
16
2.11 Additional Considerations
16
Chapter 3 HVAC Load Considerations
17
3.1 Datacom Equipment
17
3.2 Equipment Loads, Including High-Density Loads
18
3.3 Electrical Distribution Equipment
19
3.4 Other Loads
19
Chapter 4 Computer Room Cooling Overview
23
4.1 Computer Room Air-Conditioning (CRAG) Units
23
4.2 Central Station Air-Handling Units
26
4.3 Liquid Cooling
27
4.4 Chilled-Water Distribution Systems
28
4.5 Condenser Systems
29
4.6 Refrigeration
30
4.7 Chillers
30
4.8 Pumps
31
4.9 Piping
31
4.10 Humidifiers
32
4.11 Controls and Monitoring
32
Chapter 5 Air Distribution
35
5.1 Introduction
35
5.2 Airflow Through Equipment
35
5.3 Airflow Through Equipment Rooms
37
5.4 CFD Modeling
38
5.5 Room Cooling Classes (Protocols)
39
Chapter 6 Liquid Cooling
47
6.1 Liquid Cooling Overview
48
6.2 Datacom Facility Chilled-Water Systems
48
6.3 Liquid-Cooled Computer Equipment
49
6.4 Cooling Liquids
56
6.5 Reliability
58
Part II: Other Considerations
Chapter 7 Ancillary Spaces
61
7.1 Electrical Power Distribution Equipment
61
7.2 Battery Plants
63
7.3 Engine/Generator Rooms
66
7.4 Burn-In Rooms and Test Labs
67
7.5 Datacom Equipment Spare Parts
67
7.6 Storage Spaces
67
Chapter 8 Contamination
69
8.1 Introduction
69
8.2 Contamination Classifications
70
8.3 Industry-Defined Limits and Test Methods for Contamination in IT Equipment Rooms
74
8.4 Facilities Design—General Considerations for Data Processing Environment Installations
77
8.5 Summary
85
Chapter 9 Acoustical Noise Emissions
87
9.1 Acoustics
87
9.2 ASHRAE Resources
88
9.3 Three Aspects of the Noise Problem: The Source, Path, and Receiver
89
9.4 The Effects of Noise on People
90
9.5 The Sound Power Level of a Noise Source
91
9.6 Limits on the Sound Power Levels of Datacom Equipment
92
9.7 The Sound Pressure Level in a Room
93
9.8 Limits on the Sound Pressure Levels in Datacom Facilities
95
Chapter 10 Structural and Seismic
97
10.1 Building Floor Structure
97
10.2 Access Floor Panels and Structure
100
10.3 Datacom Equipment Installation in an Earthquake Area
102
Chapter 11 Fire Detection and Suppression
107
11.1 Fire Alarm Systems
107
11.2 Fire Suppression Systems
114
11.3 Fire Barrier (Firestop) Application
120
11.4 Mechanical Ventilation Systems
121
Chapter 12 Commissioning
123
12.1 Introduction
123
12.2 Preliminary Documentation
124
12.3 Commissioning Levels
125
12.4 Commissioning Mission Critical Facilities
127
12.5 Commissioning Costs
128
12.6 Summary
128
Chapter 13 Availability and Redundancy
131
13.1 Availability Definitions
131
13.2 Redundancy
133
13.3 Diversity
134
13.4 Human Error and Availability
135
13.5 Practical Examples
135
Chapter 14 Energy Efficiency
137
14.1 Introduction
137
14.2 Environmental Criteria
138
14.3 Chilled-Water Plants
139
14.4 CRAC Units: Generation
141
14.5 Fans, Pumps, and Variable-Speed Drives
142
14.6 Humidity Control
144
14.7 Water-Side Economizers
145
14.8 Air-Side Economizers
149
14.9 Outdoor Air Ventilation
151
14.10 Part-Load Operation—Generation
152
14.11 In-Room Airflow Distribution
152
14.12 CRAC Units—Distribution
153
14.13 Part-Load Operation—Distribution
154
14.14 Datacom Equipment Energy Usage
154
14.15 UPS Energy Efficiency
155
14.16 Emerging Technologies
156
14.17 Controls and Energy Management
156
14.18 System Energy Simulation
157
Appendix A: 2008 ASHRAE Environmental Guidelines for Datacom Equipment Expanding the Recommended Environmental Envelope 159
References and Bibliography 171
Glossary of Terms 181
Index 197