General Sir John Kotelawala Defence University Sri Lanka ABSTRACTS Engineering Excellence through Collaborative Research and Innovation ABSTRACTS This book contains the abstracts of papers presented at the 11th International Research Conference of General Sir John Kotelawala Defence University, Ratmalana, Sri Lanka held on 13th - 14th September 2018. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form, without prior permission of General Sir John Kotelawala Defence University, Ratmalana, Sri Lanka Published by General Sir John Kotelawala Defence University Ratmalana 10390 Sri Lanka Tel : +94113370105 E-mail :
[email protected] Website : www.kdu.ac.lk/irc2018 ISBN - 978 - 955 - 0301 - 56 - 0 Date of Publication 13th September 2018 Designed and Printed by 2 GENERAL SIR JOHN KOTELAWALA DEFENCE UNIVERSITY 11th INTERNATIONAL RESEARCH CONFERENCE ABSTRACTS CONFERENCE CHAIR Dr Upali Rajapaksha CONFERENCE SECRETARY Ms Bhagya Senaratne AssiSTANT CONFERENCE SECRETARIES Dr Danushi Gunasekara Ms Nirupa Ranasinghe Capt Madhura Rathnayake STEERING COMMITTEE Maj Gen IP Ranasinghe RWP RSP ndu psc - President Brig RGU Rajapakshe RSP psc Professor MHJ Ariyarathne Col JMC Jayaweera psc Senior Professor JR Lucas Capt (S) UG Jayalath Senior Professor ND Warnasuriya Capt JU Gunaseela psc Senior Professor RN Pathirana Lt Col PSS Sanjeewa RSP psc Senior Professor Amal Jayawardane Lt Col WMNKD Bandara RWP RSP Dr (Mrs) WCDK Fernando Lt Col AK Peiris RSP Dr KMG Prasanna Premadasa Capt MP Rathnayake Dr CC Jayasundara