Piezohydraulic Actuator Development For Active Microjet Flow Control

Download or read book Piezohydraulic Actuator Development for Active Microjet Flow Control written by Fei Liu and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: This thesis describes the development of a new piezohydraulic actuator for integration into a microjet flow control system. The piezohydraulic actuator utilizes a lead zirconate titanate (PZT) stack actuator and a hydraulic amplification design to achieve relatively large displacements required to control flow through a microjet with an orifice diameter of approximately 400 fým. Displacement amplification of 81 times the stack actuator displacement was achieved using a dual-diaphragm design to seal the fluid within a converging nozzle.