A comprehensive reference on the design, selection, maintenance, and repair of fans used in a wide range of applications and industries, including airfoils, axial flow fans, centrifugal fans, mixed-flow fans, roof ventilators, cross-flow blowers, and regenerative blowers. Topics include fan technology and the basics of fluid mechanics; codes, standards, and specifications relating to the design or selection of specialized fans; testing of fans according to AMCA; physical laws affecting performance; ventilation requirements; and helpful symbols and conversion factors. Annotation c. by Book News, Inc., Portland, Or.