Hvac Systems Duct Design

FOREWORD......Page 4
NOTICE TO USERS......Page 5
TABLE OF CONTENTS......Page 6
REFERENCES......Page 13
C. HVAC SYSTEMS LIBRARY......Page 14
D. CODES AND ORDINANCES......Page 15
B. INITIAL SYSTEM COSTS......Page 18
C. OPERATION COSTS......Page 19
D. CONTROLLING COSTS......Page 20
F. PRESSURE CLASSIFICATION AND LEAKAGE......Page 21
G. COST OF FITTINGS......Page 23
B. AIR DIFFUSION PERFORMANCE INDEX (ADP)......Page 24
C. AIR DISTRIBUTION FUNDAMENTALS......Page 28
D. OUTLET LOCATION......Page 31
E. OUTLET CRITERIA......Page 34
F. INLET CRITERIA......Page 40
G. SUMMARY......Page 42
B. AIR DISTRIBUTION......Page 45
E. DUCT SIZING......Page 46
F. DESIGN METHODS......Page 47
G. DUCT HEAT GAIN OR LOSS......Page 48
I. PRESSURE CLASSIFICATION......Page 49
M. FINAL DESIGN DOCUMENTS......Page 51
A. DUCT SYSTEM AIRFLOW......Page 54
B. OTHER FACTORS AFFECTING DUCT SYSTEM PRESSURES......Page 59
C. SYSTEM PRESSURE CHANGES......Page 62
E. DYNAMIC LOSSES......Page 65
F. DUCT AIR LEAKAGE......Page 75
G. DUCT HEAT GAIN/LOSS......Page 80
H. SMACNA DUCT RESEARCH......Page 81
A. FAN OUTLET CONDITIONS......Page 85
B. FAN INLET CONDITIONS......Page 91
C. EFFECTS OF FACTORY SUPPLIED ACCESSORIES......Page 99
D. CALCULATING SYSTEM EFFECT......Page 101
C. DUCT SYSTEM SIZING PROCEDURES......Page 104
D. SUPPLY AIR DUCT LEAKAGE - SIZING EXAMPLE NO. 1......Page 107
E. RETURN AIR (EXHAUST AIR) DUCT SYSTEM - SIZING EXAMPLE NO. 2......Page 115
F. SUPPLY AIR DUCT SYSTEM - SIZING EXAMPLE NO. 3......Page 118
G. EXTENDED PLENUM DUCT SIZING......Page 124
B. DESIGN OBJECTIVES......Page 128
C. DUCT SYSTEM SIZING PROCEDURES......Page 129
D. SUPPLY AIR DUCT SYSTEM - SIZING EXAMPLE NO. 1......Page 131
E. RETURN AIR (EXHAUST AIR) DUCT SYSTEM - SIZING EXAMPLE NO.2......Page 139
F. SUPPLY AIR DUCT SYSTEM - SIZING EXAMPLE NO. 3......Page 142
G. EXTENDED PLENUM DUCT SIZING......Page 148
B. USE OF TABLES AND CHARTS......Page 152
C. DAMPER CHARTS......Page 157
D. DUCT SYSTEM APPARATUS CHARTS......Page 158
E. ROOM AIR TERMINAL DEVICES......Page 164
F. LOUVER AND COIL DESIGN DATA......Page 166
A. TAB DESIGN CONSIDERATIONS......Page 167
B. AIR MEASUREMENT DEVICES......Page 169
D. PROVISIONS FOR TAB IN SYSTEM DESIGN......Page 171
B. DEFINITIONS......Page 173
C. BASICS OF SOUND......Page 175
D. GENERAL INFORMATION ON THE DESIGN OF HVAC SYSTEMS......Page 181
E. FANS......Page 184
F. AERODYNAMIC NOISE......Page 185
G. DUCT TERMINAL DEVICES......Page 192
H. DUCT SOUND BREAKOUT AND BREAKIN......Page 195
J. DUCT ELEMENT SOUND ATTENUATION......Page 203
K. SOUND TRANSMISSION THROUGH CEILING SYSTEMS......Page 215
L. SYSTEM EXAMPLE......Page 217
C. DUCT CONSTRUCTION MATERIALS......Page 223
D. ASTM STANDARDS......Page 228
C. SOLAR SYSTEMS......Page 230
A. DUCT FRICTION LOSS - TABLES & CHARTS......Page 234
B. LOSS COEFFICIENT TABLES......Page 252
C. HEAT TRANSFER COEFFICIENTS......Page 286
D. HVAC EQUATIONS (U.S. UNITS)......Page 287
E. HVAC EQUATIONS (METRIC UNITS)......Page 291
F. METRIC UNITS AND EQUIVALENTS......Page 295
G. DUCT SOUND DESIGN TABLES......Page 297
CHAPTER 15 GLOSSARY......Page 317
CHAPTER 16 INDEX......Page 336