downdraught


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downdraught

(ˈdaʊnˌdrɑːft) or

downdraft

n
(Physical Geography) the large-scale downward movement of air in the lee of large objects, mountains, etc
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The paint booths are temperature controlled (both heating and cooling) and have a full downdraught configuration providing the best performance for paint overspray removal.
The downdraught design on the Hercules system ensures all overspray and dirt is pulled immediately to floor level and held there during the spraying process, to prevent contamination of other areas of the paintwork.
"There was a danger the strong downdraught from the helicopter hitting the high cliff could blow them off the ledge, so we decided to go down on the ropes.
"Downdraught's of frigid air may bring temperatures down close to freezing, allowing a few brief flurries of snow to reach the ground - a relatively rare event for so late in the year.
Following a full site survey and demonstration, AirBench recommended a large, HEPA filtered downdraught bench from its FN range, configured to discharge via ducting outside the booth.
The initial AirBench range of downdraught benches has grown to include a much wider range including the UK's most advanced downdraught bench, the AirBench RP.
The combustion front moved downwards with the support of a downdraught system with a negative pressure of 10 kpa.
Based on design it can be segmented as updraught, downdraught, fluidized bed, cross- draught, molten bed, entrained bed, and double fired.
Keeping the car on the track, the flow of air across the car, managing the g forces, the uplift and downdraught forces, even ensuring turbulent air flow behind the car to disadvantage those following behind.
Equally, as we ponder the merits of HS2, it's fascinating to see the dirty, smelly diesel trains of the recent past have acquired a cult following, as they themselves form a nostalgic phase for the generations that swapped the coal-blackened downdraught for the oily ambience of diesel as British Rail proudly pronounced "this is the age of the train".
The unemployment rate across rich countries eased slightly to 8.0% in March, the OECD said yesterday but this meant that 48.3mn people were officially without work in the downdraught of the financial and eurozone debt crises.