Abstract
A workstation consisting of a desk with installed personalized ventilation (PV) and a dressed breathing
thermal manikin simulating seated occupant was set in a full-scale test room. The room was
conditioned by overhead ventilation at 26 oC. The PV consisted of two confluent jets incorporated
along the front edge of the desk and supplying clean personalized air vertically towards the face of the
manikin. The inner jet (closest to the body) delivered always clean outdoor air and the outer jet
provided room air mixed with tracer gas (R134a) at the same flow rate as the inner jet. The breathing
thermal manikin was seated with abdomen pressed against the table edge. The amount of clean air
inhaled by the manikin was measured under numerous experiments studying different combinations of
personalized airflow rates (isothermal) - 2, 4, 6, 8 and 10 L/s, widths of the two jets - 0.03 and 0.06 m,
posture of the manikin - seated with the abdomen pressed against the table edge, moved backwards
from or leaned over the table. The best performance was achieved with the 0.06 m openings: 85% of
PV air was inhaled by the occupant at 10 L/s. The portion of clean PV air inhaled by the manikin was
80% when it was bent over the table, 76% when the manikin was seated upright and 45% when the
manikin was moved backwards.
Original language | English |
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Publication date | 2012 |
Number of pages | 6 |
Publication status | Published - 2012 |
Event | 10th International Conference on Healthy Buildings - Brisbane Convention & Exhibition Centre, Brisbane, Australia Duration: 8 Jul 2012 → 12 Jul 2012 Conference number: 10 http://hb2012.org/ |
Conference
Conference | 10th International Conference on Healthy Buildings |
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Number | 10 |
Location | Brisbane Convention & Exhibition Centre |
Country/Territory | Australia |
City | Brisbane |
Period | 08/07/2012 → 12/07/2012 |
Internet address |
Keywords
- Personalized ventilation
- Control
- Confluent jets
- Air quality
- Body posture