| Performance of Installed Cooking Exhaust Devices. | |
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MedLine Citation:
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PMID: 22044446 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The performance metrics of airflow, sound, and combustion product capture efficiency (CE) were measured for a convenience sample of fifteen cooking exhaust devices, as installed in residences. Results were analyzed to quantify the impact of various device- and installation-dependent parameters on CE. Measured maximum airflows were 70% or lower than values noted on product literature for 10 of the devices. Above-the-cooktop devices with flat bottom surfaces (no capture hood) - including exhaust fan/microwave combination appliances - were found to have much lower CE at similar flow rates, compared to devices with capture hoods. For almost all exhaust devices and especially for rear-mounted downdraft exhaust and microwaves, CE was substantially higher for back compared with front burner use. Flow rate, and the extent to which the exhaust device extends over the burners that are in use, also had a large effect on CE. A flow rate of 95 liters per second (200 cubic feet per minute) was necessary, but not sufficient, to attain capture efficiency in excess of 75% for the front burners. A-weighted sound levels in kitchens exceeded 57 dB when operating at the highest fan setting for all 14 devices evaluated for sound performance. |
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Authors:
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Brett C Singer; Woody W Delp; Phillip N Price; Michael G Apte |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-2 |
Journal Detail:
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Title: Indoor air Volume: - ISSN: 1600-0668 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-2 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9423515 Medline TA: Indoor Air Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 John Wiley & Sons A/S. |
Affiliation:
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Indoor Environment Department Atmospheric Sciences Department Environmental Energy Technologies Division Lawrence Berkeley National Laboratory 1 Cyclotron Road, Berkeley, CA 94720. |
Export Citation:
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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