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Design Optimization Tool for Synthetic Jet Actuators Using Lumped Element Modeling (Paperback) Loot Price: R202 Discovery Miles 2 020 You Save: R41 (17%)
Design Optimization Tool for Synthetic Jet Actuators Using Lumped Element Modeling (Paperback): Quentin Gallas
Design Optimization Tool for Synthetic Jet Actuators Using Lumped Element Modeling (Paperback): Quentin Gallas

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Design Optimization Tool for Synthetic Jet Actuators Using Lumped Element Modeling (Paperback)

Quentin Gallas; Created by Nasa Technical Reports Server (Ntrs), et al

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List price R243 Loot Price R202 Discovery Miles 2 020 You Save R41 (17%)

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The performance specifications of any actuator are quantified in terms of an exhaustive list of parameters such as bandwidth, output control authority, etc. Flow-control applications benefit from a known actuator frequency response function that relates the input voltage to the output property of interest (e.g., maximum velocity, volumetric flow rate, momentum flux, etc.). Clearly, the required performance metrics are application specific, and methods are needed to achieve the optimal design of these devices. Design and optimization studies have been conducted for piezoelectric cantilever-type flow control actuators, but the modeling issues are simpler compared to synthetic jets. Here, lumped element modeling (LEM) is combined with equivalent circuit representations to estimate the nonlinear dynamic response of a synthetic jet as a function of device dimensions, material properties, and external flow conditions. These models provide reasonable agreement between predicted and measured frequency response functions and thus are suitable for use as design tools. In this work, we have developed a Matlab-based design optimization tool for piezoelectric synthetic jet actuators based on the lumped element models mentioned above. Significant improvements were achieved by optimizing the piezoceramic diaphragm dimensions. Synthetic-jet actuators were fabricated and benchtop tested to fully document their behavior and validate a companion optimization effort. It is hoped that the tool developed from this investigation will assist in the design and deployment of these actuators.

General

Imprint: Bibliogov
Country of origin: United States
Release date: July 2013
First published: July 2013
Authors: Quentin Gallas
Creators: Nasa Technical Reports Server (Ntrs) • et al
Dimensions: 246 x 189 x 1mm (L x W x T)
Format: Paperback - Trade
Pages: 24
ISBN-13: 978-1-289-24444-6
Barcode: 9781289244446
Categories: Promotions
Books > Social sciences > Politics & government
Books > Social sciences > Politics & government > General
LSN: 1-289-24444-8

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