Dr. Jayasekara J.G.A.S.

January 2016 – Current

Senior Lecturer GII

University of Moratuwa | www.mrt.ac.lk

Moratuwa

Key responsibilities

Undergraduate and Postgraduate teaching in the fields of thermodynamics, fluid dynamics, energy engineering and aeronautical engineering; Regular review of course contents and teaching materials in order to maintain up to date knowledge in the subject area; Carry out research and publish research outcomes in key international conferences and journals; Engage with the broader scholarly and professional communities; Supervision of undergraduate and postgraduate students; Contribute to the planning and implementation of a high quality curriculum; Participate in administrative work and preparation and marking of exams and other assessments

Completed undergraduate research projects:

• Design and development of single cylinder two stroke linear engine
• Design and development of vertical geothermal heat exchangers for selected areas in Sri Lanka
• Design, development and performance evaluation of a cyclone turbine
• Development and performance evaluation of an atmospheric generator for open cycle absorption chiller
• Design and development of a high efficiency multi cyclone dust collector
• Design, development and performance characterization of vertical axis series impulse wind turbine
• Design and development of 1kWc open loop adsorption chiller with vapor absorbent crystals
• Design and development of 10kWt producer gas generator (Gasifier)
• Design and development of a small scale kerosene burner
• Design and development of a carburetor system to run a gasoline engine on producer gas
• Design and development of a small scale gas turbine
• Development of existing gasifier for ultra clean producer gas
• Design and development of a model aircraft for a 50 kg payload
• Design and development of propulsion and control systems for a lightweight aircraft
• Design and development of a rapid composter for kitchen garbage
• Design and development of VORSEP and multi cyclone tar separators for reliability and improve gas quality

Completed postgraduate research projects:

·  Feasibility assessment of the applicability of tri-generation system in apparel industry in Sri Lanka - A case study based on the 1 MWe tri-generation plant at Tee Jay       Lanka Plc.

·  Feasibility assessment and development of a national standard for boiler design and manufacture in Sri Lanka  

·  Optimisation of start-up time of sojitz kelanitissa combined cycle power plant

Ongoing postgraduate research projects:

·  Design and development of organic Rankine cycle for electricity generation

·  Study on viscous and thermal properties of Nano fluids through classical molecular dynamic simulations

·  Sizing and thermal performance enhancement of an industrial dryer used in activated carbon processing

April 2018 – March 2019

Research Fellow

School of Engineering

Geelong Waurn Ponds Campus| www.deakin.edu.au

Deakin University Australia

Key responsibilities

·  Numerical modelling and heat transfer simulations in micro channel heat exchanger

·  Curriculum development at Project-Oriented Design-Based Learning (PODBL) units

·  Teaching undergraduate engineering students

March 2013 – December 2015

Research and Design Engineer 

Hunt Boilers | www.forbesaust.com.au

11 Helen Kob Dr, Braeside VIC 3195

Key responsibilities

·  Evaluation of performance (based on BS 845) of existing fin tube economizers, condensing economizers, boilers, hot water heaters and HRSGs at HUNT Boilers for         possible improvements. Coordinate site performance tests conforming to BS 845 for boilers and water heaters during their commissioning.

·  Carry out detailed pressure vessel design calculations of HUNT Boiler designs complying with AS 1228, AS1210, AS 4041 AS4343 codes and subsequent development     of Excel spreadsheets.

·  Improvement of effectiveness of all fin tube condensing economizers used in boilers and hot water heaters. Carry out heat exchanger design using TEMA standards       and STX (computer software)

·  Design and development of a test bench for real time investigation of heat transfer properties and fluid dynamic characteristics of plain and wavy fin tubes,                   segmented fin tubes, boiler tubes and plates when used in tube banks.   

·      Overall engineering design of thermal systems to client's requirements and subsequent system optimizations for the developments of manufacturing drawings.

·  Carry out all aspects of designs as required and to supervise the drafting of equipment from sketches to manufacturing drawings for client approvals and shop               fabrication purposes.

·  Compile and formulate boiler drawings and pressure vessel design specification for the boiler design technology transfer to newly built Hunt manufacturing facility in       China under a licensing agreement on boiler design technology. This involved the compilation of both in-house engineering design standards and boiler design computer programs.

June 2009 – April 2010

Industrial Technical Service Manager

The SWITCH-Asia "Greening Sri Lanka Hotels" project  

The Ceylon Chamber of Commerce| www.chamber.lk

3rd Floor IBM Building
No. 48 Navam Mawatha, Colombo

Key responsibilities

·  Promotion of the project among target groups, stakeholders and selected SMEs.

·  Baseline surveys and baseline setting of energy consumption.

·  Development of energy consumption/generation evaluation protocol for EME sector.

·  Development of energy information database for baseline setting.

·  Technical advisory services, support and training for hotels in energy management and implementation of sustainable energy utilization strategies.

·  Set up of Resource Management Circles and monitoring the progress

·  Organising recognition awards

Aug 2005 – June 2009

Senior Design Engineer

MechMar Corporation Berhard | www.mechmar.com.my

Hicom-glenmarie Industrial Park, 40150 Shah Alam, Selangor, Malaysia

Key responsibilities

·  Calculate and determine pressure part specifications of boilers (packaged/utility), drums, vessels, reactors, high-pressure steam distribution pipe networks in                 accordance with previous Australian AS 1797, British BS 2790, BS EN 12953 and ASME Section 1 standards.

·  Sizing/design and installation of mini thermal power plants (run on palm oil residues and saw dust) on back pressure or condensing modes.

·  Prepare all pressure vessel documents required to obtain necessary approvals from third party inspection bodies such as Malaysia DOSH (JKKKP) for construction.

·  Plan, schedule and supervise surveying activities related to piping, mechanical equipment and facilities measures for system installation.

May 2003 – Jul 2005

Mechanical Engineer

Lanka Transformers Limited | www.lankatransformers.com

02, Park Street Colombo 07 Sri Lanka

Key responsibilities

·  Manage, plan, control and coordinate construction activities which involved interpreting site contracts, identifying potential risks and mitigating risks via preventive         measures, managing subcontractors, capacity planning and allocation, directing the execution of works in accordance with contracts, overseeing compliance with           contract procedures and reviewing project plans

·  Collaborate and work closely with suppliers of different scopes in supplying boilers, turbines and other accessories to ensure the compatibility and integrity between       components through their specification, performance and previous projects in similar capacity