AIRFLOW UNIFORMITY IN UNIDIRECTIONAL FLOW CLEANROOMS
نویسندگان
چکیده
منابع مشابه
Equations for predicting airborne cleanliness in non-unidirectional airflow cleanrooms
When designing a cleanroom to achieve a required airborne cleanliness class or grade, such as specified in the International Organization for Standardization (ISO) 14644-11, or the European Union Guidelines to Good Manufacturing Practice (EU GGMP)2, designers have a problem in deciding how much filtered air should be supplied to the cleanroom. Currently, this is not normally calculated but base...
متن کاملCalculation of airborne cleanliness and air supply rate for non-unidirectional airflow cleanrooms
When designing a cleanroom to achieve a required airborne cleanliness standard or grade, such as specified in ISO 1464411 or the European Union Guidelines to Good Manufacturing Practice (EU GGMP)2, designers have difficulties deciding how much filtered air should be supplied to the cleanroom to achieve the correct airborne cleanliness requirement. Currently, this decision is based on experience...
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The lungs of birds move air in only one direction during both inspiration and expiration through most of the tubular gas-exchanging bronchi (parabronchi), whereas in the lungs of mammals and presumably other vertebrates, air moves tidally into and out of terminal gas-exchange structures, which are cul-de-sacs. Unidirectional flow purportedly depends on bellowslike ventilation by air sacs and ma...
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Physiol. Soc.. ESSN: 1548-9221. Visit our website at http://www.the-aps.org/. American Physiological Society, 9650 Rockville Pike, Bethesda MD 20814-3991. ©2015 Int. Union Physiol. Sci./Am. the physiological developments. It is published bimonthly in February, April, June, August, October, and December by (formerly published as News in Physiological Science) publishes brief review articles on m...
متن کاملOzone absorption in the human nose during unidirectional airflow.
This study addresses the effect of gas flow rate and ozone (O(3)) concentration on the uptake of this air pollutant in the nose. A nasal exposure system was developed in which a constant flow of humidified air (V) containing a constant concentration of O(3) (C(inlet)) entered one nostril and then exited the other nostril while a subject closed the velopharyngeal aperture. Experiments were condu...
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ژورنال
عنوان ژورنال: Journal of Architecture and Planning (Transactions of AIJ)
سال: 1994
ISSN: 1340-4210,1881-8161
DOI: 10.3130/aija.59.9_4