Date of download: 10/27/2017 Copyright © ASME. All rights reserved. From: Scaling of Convective Heat Transfer Enhancement Due to Flow Pulsation in an Axisymmetric Impinging Jet J. Heat Transfer. 2013;135(11):111012-111012-10. doi:10.1115/1.4024620 Figure Legend: Schematic of the impinging pulsating jet test facility. (a) pipe nozzle, (b) dummy pipe nozzle, (c) pneumatic valve, (d) square wave generator and amplifier, (e) mass flow controller, (f) pressure regulator and buffer vessel (not shown), (g) isothermally heated instrumented surface on traversing stage, (h) flush-mounted heat flux and embedded surface temperature sensors, and (i) computer with data acquisition system.