Time-Delay Circuits for Fluidic Oscillators and Pulse Shapers

0508095 - ÚT 2020 RIV CH eng J - Journal Article
Tesař, Václav
Time-Delay Circuits for Fluidic Oscillators and Pulse Shapers.
Energies. Roč. 12, č. 16 (2019), č. článku 3071. E-ISSN 1996-1073
R&D Projects: GA ČR(CZ) GA17-08218S
Institutional support: RVO:61388998
Keywords : fluid mechanics * fluidics * oscillators * time delay * pulse train * captive vortex
OECD category: Fluids and plasma physics (including surface physics)
Impact factor: 2.702, year: 2019
Method of publishing: Open access
https://www.mdpi.com/1996-1073/12/16/3071/htm

Fluidic signals transferred between mutually communicating components of fluidic circuits are nowadays still often in the format of continuously varied value of pressure or flow rate. Especially when transported over longer distances, these simple signals may easily deteriorate due to varying properties they meet in the transmission. An example are friction losses dependent on local temperature. A solution to this signal corruption problem is to encode the signals into flow pulses. Their parameters (such as the number of pulses in a delivered pulse cluster) much less deteriorating during transfer are derived from the time delays generated in delay circuits and oscillators. This paper surveys the basic physical aspects of the fluidic pulse generation and shaping, also presents some
examples of circuit design.
Permanent Link: http://hdl.handle.net/11104/0299088