Chapter 6.Ventilation Surveys:
Purpose and scope of ventilation surveys
air quantity surveys:
Rotating vane anemometers
Moving Traverses:
The traverse
Booking
Fixed point measurement
Density correction
Swinging vane anemometer (velometer)
Vortex-shedding anemometer
Smoke tubes
Pitot-static tube
Fixed point traverses:
Method of equal areas
Log-linear traverse
Velocity contours
Hot body anemometers
Tracer gases
Measurement of cross-sectional area
Pressure Survey:
Gauge and tube surveys:
Theory
Practical Procedure
Barometer and altimeter surveys:
Theory
Practical Procedure
ORGANIZATION OF PRESSURE-VOLUME SURVEYS
Initial planning
Survey management
Quality assurance
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