Of Airflow
Found 4 free book(s)
Improving Fan System Performance - NREL
www.nrel.govfan airflow-pressure curve. Oversized fans generate excess flow energy, resulting in high airflow noise and increased stress on the fan and the system. Consequently, oversized fans not only cost more to purchase and to operate, they create avoidable system performance problems. The use of a “systems approach” in the fan selection process
ASHRAE EPIDEMIC TASK FORCE
www.ashrae.org3. Air Distribution - Where directional airflow is not specifically required, or not recommended as the result of a risk assessment, promote mixing of space air without causing strong air currents that increase direct transmission from person-to-person. 4. HVAC System Operation 4.1 Maintain temperature and humidity design set points.
You Can Control Your Asthma - Centers for Disease Control ...
www.cdc.govThe spirometer can measure airflow before and after you use asthma medicine. 2. asthma_brochurePRINT_v2.qxd 9/5/06 9:54 AM Page 8. Other Triggers. Strenuous physical exercise; some medicines; bad weather such as thunderstorms, high humidity, or
PG 18-10 - Plumbing Design Manual - Veterans Affairs
www.cfm.va.gov8.4.2 Airflow and Vacuum Requirements ..... 63 8.4.3 Vacuum Relief Valves.....63 8.4.4 High Volume Oral Evacuation (HVE) Systems..... 63 8.5 DENTAL COMPRESSED AIR SYSTEMS ...