
471
Index
A
Acoustic noise
level of telecommunication chassis, 18
measurements
anechoic chamber, interior, 418
sound measurements, 418
sound pressure level (SPL), 418–419
sound waves, 417
Adiabatic n tip
boundary conditions for, 132
effectiveness, 142
efciency, 144
solution of equation, 132
thermal resistance, 140
total heat transfer rate from, 133
Air properties, 456
Aluminum
as n materials, 142
as heat sink materials, 430
thermal conductivity, 55–56
Approximate model geometry, 382–383
Architectural thermal design, 16–17; see also
Thermal design
Average friction coefcient, 225
Axial thermal resistance, 434
B
Backward curved impeller in radial fans,
272–273
Ball g ...