Feedback control of velocity profile in three parallel planar jets

Kazuyuki Yamamoto; Toshiyuki Murakami; Koichi Hishida

doi:10.1299/kikaib.70.2005

Feedback control of velocity profile in three parallel planar jets

Kazuyuki Yamamoto, Toshiyuki Murakami, Koichi Hishida

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Feedback control system for velocity profile employing three parallel planar jets was established. Velocity distribution was measured by an array of three hot-wire probes and jets exit velocity were manipulated by PI controller and conditioner in order to suppress fluctuation of the peak position of mean velocity distribution. Time constants of blowers output and fluid movement were investigated and performance of control was evaluated in various time scales. Suppression of the peak position fluctuation was realized compared to that without control, and the system became robust against the cross-flow disturbance.

Original language	English
Pages (from-to)	2005-2011
Number of pages	7
Journal	Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume	70
Issue number	696
DOIs	https://doi.org/10.1299/kikaib.70.2005
Publication status	Published - 2004 Aug
Externally published	Yes

Keywords

Feedback Control
Flow Control
Mean Velocity Distribution
Multiple Jet

ASJC Scopus subject areas

Condensed Matter Physics
Mechanical Engineering

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10.1299/kikaib.70.2005

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keywords = "Feedback Control, Flow Control, Mean Velocity Distribution, Multiple Jet",

author = "Kazuyuki Yamamoto and Toshiyuki Murakami and Koichi Hishida",

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AU - Murakami, Toshiyuki

AU - Hishida, Koichi

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N2 - Feedback control system for velocity profile employing three parallel planar jets was established. Velocity distribution was measured by an array of three hot-wire probes and jets exit velocity were manipulated by PI controller and conditioner in order to suppress fluctuation of the peak position of mean velocity distribution. Time constants of blowers output and fluid movement were investigated and performance of control was evaluated in various time scales. Suppression of the peak position fluctuation was realized compared to that without control, and the system became robust against the cross-flow disturbance.

AB - Feedback control system for velocity profile employing three parallel planar jets was established. Velocity distribution was measured by an array of three hot-wire probes and jets exit velocity were manipulated by PI controller and conditioner in order to suppress fluctuation of the peak position of mean velocity distribution. Time constants of blowers output and fluid movement were investigated and performance of control was evaluated in various time scales. Suppression of the peak position fluctuation was realized compared to that without control, and the system became robust against the cross-flow disturbance.

KW - Feedback Control

KW - Flow Control

KW - Mean Velocity Distribution

KW - Multiple Jet

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JO - Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B

JF - Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B

IS - 696

ER -

Feedback control of velocity profile in three parallel planar jets

Abstract

Keywords

ASJC Scopus subject areas

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