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International Journal of Aerospace Engineering
Volume 2017 (2017), Article ID 2010476, 12 pages
Research Article

Shock Tube as an Impulsive Application Device

Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati 781 039, India

Correspondence should be addressed to Niranjan Sahoo; ni.tenre.gtii@kcohs

Received 5 October 2016; Revised 29 January 2017; Accepted 16 February 2017; Published 5 April 2017

Academic Editor: Paul Williams

Copyright © 2017 Soumya Ranjan Nanda et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Current investigations solely focus on application of an impulse facility in diverse area of high-speed aerodynamics and structural mechanics. Shock tube, the fundamental impulse facility, is specially designed and calibrated for present objectives. Force measurement experiments are performed on a hemispherical test model integrated with the stress wave force balance. Similar test model is considered for heat transfer measurements using coaxial thermocouple. Force and heat transfer experiments demonstrated that the strain gauge and thermocouple have lag time of 11.5 and 9 microseconds, respectively. Response time of these sensors in measuring the peak load is also measured successfully using shock tube facility. As an outcome, these sensors are found to be suitable for impulse testing. Lastly, the response of aluminum plates subjected to impulsive loading is analyzed by measuring the in-plane strain produced during deformation. Thus, possibility of forming tests in shock is also confirmed.