Luftdrahl
English translation: (ceiling) swirl diffuser
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| 21:26 Oct 18, 2021 |
| German to English translations [PRO] Tech/Engineering - Construction / Civil Engineering / Ceilings | |||||||
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 Selected response from: Steffen Walter Germany Local time: 01:23 | |||||||
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| Summary of answers provided | ||||
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| 3 +2 | (ceiling) swirl diffusers |
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| 4 | mixed air flow ventilation |
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| Your assumption seems to be correct |
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| Discussion entries: 1 | |
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Answers
34 mins confidence: 
mixed air flow ventilation Explanation: Yes, I think it should be Luftdrall. Dralldurchlässe sind eine optisch anspruchsvolle und effiziente Lösung zur Erzeugung von Mischluftströmungen. Sie sind auch für den schnellen Austausch eines großen Luftvolumens und damit sowohl für kleine als auch für große Räume geeignet. https://www.heinze.de/alles-zu/drallluftauslaesse/5272168/ Mixed flow distribution is the traditional method of supplying air to ventilated spaces. Cool air is blown in through the ceiling or wall and dilutes the room air in an attempt to provide an even temperature and contaminant level through the space. With mixed flow ventilation the flow is driven by the inertia of the supply air. The volume of the air supplied for mixed flow ventilation is calculated proportionally to the supply air and room air temperature. Mixed flow Air conditioning Is mixing The Return Air from building with the fresh air coming from outside building into the AHU before supplying again to the building https://specialties.bayt.com/en/specialties/q/214140/what-is... Mixed air flow ventilation https://www.ambthair.com/displacement_vs_mixed_flow_ventilat... |
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39 mins confidence: peer agreement (net): +2
peer agreement (net): +2| Luftdrallauslässe / Dralldurchlässe (ceiling) swirl diffusers Explanation: See https://www.trox.de/luftdurchlaesse/deckenluftdurchlaesse-18... and https://www.trox.de/en/air-diffusers/ceiling-diffusers-bafd9... Also compare the pictures at https://www.heinze.de/produktserie/dralldurchlaesse/9674754/... and https://www.air-diffusion.co.uk/products/swirl8 |
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35 mins |
| Reference: Your assumption seems to be correct Reference information: These are "Luftdrallauslässe" (rare term), as referred to at https://www.baunetzwissen.de/altbau/objekte/kulturbauten/aus... ("Einige Luftdrallauslässe in den Putzflächen und sparsam angeordnete Wand- oder Deckenstrahler, die zum Teil in Lichtschienen flexibel platziert werden können, zeigen den Stand heutiger Museumstechnik."), although "Dralldurchlässe" appears to be used much more frequently - see https://www.heinze.de/produktserie/dralldurchlaesse/9674754/... Also compare https://www.trox.de/luftdurchlaesse/deckenluftdurchlaesse-18... ("VISUALISIERUNG DER LUFTSTRÖMUNG - DRALLDURCHLASS") and https://www.trox.de/en/air-diffusers/ceiling-diffusers-bafd9... ("VISUALISATION OF AIR FLOW - SWIRL DIFFUSER"). |
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