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Two-Stage Fluidic Valve With SparkJet Actuation for Flow Control

delete2026-03-01
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PRE
AI
N
Nicholls, Chris J. *
T
Tang, Brian M. T.
T
Turner, James
B
Bacic, Marko
DOI:10.1115/1.4070246delete
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Abstract

Abstract

En 中文
This paper describes the experimental characterization of a no-moving-parts, plasma-switched, two-stage, fluidic vortex valve capable of throttling Mach-0.85 air-flow at 5 bar. In the first stage, a sparkjet is used to switch a pilot fluidic diverter that, in turn, drives a switched vortex valve. Steady-state and transient operation are characterized experimentally, achieving a turn-down ratio of 2.6. The traditional input characterization is revisited using a two-input approach that highlights the need for additional measurements to ensure the correct prediction of the operating point in a two-stage system.
Keywords:
PLASMA ACTUATORS
HIGH-SPEED
NOISE

Journal

J
JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME
IF:
2.4
Papers:
79
Citations:
0

Organization

U
university of oxford
Scholars:
9.6W
Papers: 8.5W
Citations: 137
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