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2. Laminar flow cabinet - Wikipedia

   en.wikipedia.org/wiki/Laminar_flow_cabinet

   Despite their similar appearance, a laminar flow cabinet should not to be confused with a fume hood. A laminar flow cabinet blows unfiltered exhaust air towards the worker and is not safe for work with pathogenic agents, [2]: 13 [3] while a fume hood maintains negative pressure with constant exhaust to protect the user, but does not protect the ...

3. Laminar flow - Wikipedia

   en.wikipedia.org/wiki/Laminar_flow

   Laminar flow hoods are used to exclude contaminants from sensitive processes in science, electronics and medicine. Air curtains are frequently used in commercial settings to keep heated or refrigerated air from passing through doorways. A laminar flow reactor (LFR) is a reactor that uses laminar flow to study chemical reactions and process ...

4. Barrier isolator - Wikipedia

   en.wikipedia.org/wiki/Barrier_isolator

   In limited cases, they can also be used to protect a sterile product, when supplied with ISO 5 unidirectional air. However, in some notable cases, gloveboxes used for aseptic processing have provided no more sterile product protection than the traditional laminar air flow hood (LAF) design of the 1960s. In these cases, the glove boxes were ...

5. Airflow - Wikipedia

   en.wikipedia.org/wiki/Airflow

   Like any fluid, air may exhibit both laminar and turbulent flow patterns. Laminar flow occurs when air can flow smoothly, and exhibits a parabolic velocity profile; turbulent flow occurs when there is an irregularity (such as a disruption in the surface across which the fluid is flowing), which alters the direction of movement.

6. Fan filter unit - Wikipedia

   en.wikipedia.org/wiki/Fan_filter_unit

   FFUs are engineered for laminar air flow, as is required in critical environments. Controlled air flowing in a uniform direction and speed (carrying microparticles) is cleaner than turbulent air that flows in multiple directions or at inconsistent speeds. Eddies created by turbulent air cause contaminating microparticles to settle on clean ...

7. Biosafety cabinet - Wikipedia

   en.wikipedia.org/wiki/Biosafety_cabinet

   All exhaust air is HEPA-filtered as it exits the biosafety cabinet, removing harmful bacteria and viruses. [2] This is in contrast to a laminar flow clean bench, which blows unfiltered exhaust air towards the user and is not safe for work with pathogenic agents. [3]: 13 [4] Neither are most BSCs safe for use as fume hoods. [2]