Fluidics: The Answer to Problems of Handling Hazardous Fluids – A Survey

Fluidics: The Answer to Problems of Handling Hazardous Fluids – A Survey

V. Tesar

Institute of Thermomechanics v.v.i, Academy of Sciences of the Czech Republic, Prague, Czech Republic

Page: 
167-183
|
DOI: 
https://doi.org/10.2495/SAFE-V2-N2-167-183
Received: 
N/A
| |
Accepted: 
N/A
| | Citation

OPEN ACCESS

Abstract: 

Dangerous fluids must be kept inside a containment. With standard pumps and flow control valves this may be a problem, especially in emergency situations which may be caused by material fatigue, seizing, screws getting loose, and similar situations requiring maintenance and repair. However well protected in standard regimes, during a repair and associated device disassembly the hazardous fluid may become exposed to the outside world. No-moving-part fluidics, practically maintenance-free, offers a solution– but it is, unfortunately, almost unknown. This survey aims at propagating the knowledge of these fluid-handling devices. Three classes of fluidic devices that are developed (mainly in nuclear engineering applications) specifically for handling dangerous liquids and gases are discussed: (A) Passive flow control valves, (B) Valves controlled by an external signal, and (C) Fluidic pumps driven by alternating flow.

Keywords: 

fluidic pumps, fluidics, fluidic valves, hazardous fluids

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