AZIZE AKCAYOGLU, Ph.D. Associate Professor of Mechanical Engineering Date modified: Jan 2014 Nationality : Turkish Languages : English, Turkish Address : Mersin University Faculty of Technology, Kartaltepe Mah. P.K. 92 Takbas, Tarsus, Mersin, Turkey Phone (work) : +90 (0) 324 6274804 Ext:109 Fax : +90 (0) 324 6274805 E-mail : azize.akcayoglu@gmail.com azize@mersin.edu.tr Web : http://www.mersin.edu.tr/apbs/azize Azize Akcayoglu is currently working as an Associate Professor in Mersin University, Turkey. She received her B.Sc, M.Sc. and Ph.D. degrees in Mechanical Engineering from Cukurova University in 1994, Mersin University in 1998 and Cukurova University in 2004, respectively. Akcayoglu s research focuses on experimental fluid mechanics, computational fluid dynamics and heat transfer specializing on laminar and turbulent steady and unsteady flows and convective heat transfer. Past research activities include enhancement of heat transfer and energy efficiency in heat exchangers and in non-circular ducts, dense gas dispersion, renewable energy applications, greenhouse heating, waste heat recovery using computational fluid dynamics (CFD) and particle image velocimetry (PIV) techniques. Current research projects deal with; efficient internal cooling of gas turbine blades, cooling of electronics in nanoscale, optimum thermohydraulic performance of vortex generators, and an exoskeleton robot design used for rehabilitation of upper limbs. She established Numerical Modeling (Computational Fluid Dynamics-CFD) Laboratory in Faculty of Technology, Mersin University, in 2012. She has been teaching general and advanced mechanical engineering courses including fluid mechanics, solid mechanics, internal combustion engines, heat and mass transfer, mechanical design, CAD/CAM, technical and computer aided drawing, occupational safety and risk, quality improvement, etc. in undergraduate and graduate levels since 1995. Degrees: Ph.D., Department of Mechanical Engineering, Cukurova University, Turkey, 2004 (English) Dissertation Title: Computational Modeling of Turbulent Heat Transfer in Plate Fin and Tube Heat Exchangers (in English) M.Sc., Department of Mechanical Engineering, Mersin University, Turkey, 1998 Dissertation Title: A Machine Design for Separating Pulp and Seed of Citrus Fruits B.Sc., Department of Mechanical Engineering, Cukurova University, Turkey, 1994 (English) Dissertation Title: Design and Construction of Drain and Pipeline Sytems
Service and Academic Experience: Associate Professor Mersin University, 2012- Post Doctoral Visiting Scholar-Fellow Mechanical Engineering, Brunel University, UK, 2009-2011 Assistant Professor Mersin University, 2009-2012 Post Doctoral Research and Teaching Associate Mechanical Engineering, Mersin University, 2004-2009 Research and Teaching Associate Fluid Mechanics Laboratory and Mechanical Engineering Department, Cukurova University, 2000-2004 Research and Teaching Assistant Agricultural Machinery, Cukurova University, 1998-2000 Research and Teaching Assistant Mechanical Engineering, Mersin University, 1995-1998 (based on the highest grade from research assistantship entrance exam) Mechanical Engineer An elevator company, 1994-1995 Research Interests: Fluid Mechanics Thermodynamics Convective Heat Transfer Mass Transfer Turbulence Heat Transfer Enhancement Compact Heat Exchangers HVAC&R Cooling of vehicle radiators Engineering Turbulence Modeling Energy Efficiency Unsteady Flows Junction Fows Dense Gas Dispersion Renewable Energies Electronics cooling in nanoscale Gas turbine blade internal cooling Wind energy and nuclear energy applications in Mediterranean region Heating, Ventilating and Air Conditioning installations in buildings Wind turbine design Natural gas installation Exoskeleton robot design Computational Fluid Dynamics and Heat Transfer (CFD) Particle Image Velocimetry (PIV)
Current Research Areas and Topics: Computation, experimentation and modeling of turbulent unsteady flows and heat transfer Steady and unsteady separated flow analyses using Computational Fluid Dynamics (CFD) Fluid-structure interactions using high-image-density Particle Image Velocimetry (PIV) technique Application of Large Eddy Simulation (LES) Method for junction flows Numerical modeling of dispersion of heavier than air gases in turbulent atmospheric boundary layer Three-dimensional computational analyses of heat transfer triggered by turbulent flows in heat exchangers Energy efficiency enhancement and optimization in HVAC&R applications Flow characteristics and thermohydraulic performance in non-circular ducts Flow and heat transfer around delta- wing type vortex generators Greenhouse heating via geothermal energy Design and production of solar-powered race cars Gas Turbine Blade Leading Edge Internal Cooling Using Efficient Heat Transfer Surfaces Cooling of electronic devices in nanoscale An exoskeleton robot design to support passive exercise movements used in rehabilitation of upper limbs Undergraduate Courses Taught and Assisted (since 1995): Fluid Mechanics Thermodynamics Heat and Mass Transfer Computational Fluid Dynamics Experimental Fluid Mechanics Engineering Mechanics Mechanical Design Engineering Drawing Internal Combustion Engine Fundamentals Internal Combustion Engine Adjustments Motor Vehicle Maintenance Gas Turbines Computer Aided Drawing Solid Mechanics-Statics, Dynamics Strength of Materials Computer Aided Design Computer Aided Manufacturing Basic Computer Sciences Measurement Techniques Industrial Applications Mechanisms Descriptive Geometry Technical Foreign Language (English) Business Economics General Mechanical Engineering and Mechanical Laboratory Experiments
Graduate Courses Taught: Advanced Engineering Mathematics I Advanced Engineering Mathematics II Analytical Solutions of Differential Equations High Temperature Thermodynamics Energy Methods in Mechanics Computational Fluid Dynamics Design and Production of Pneumatic and Hydraulic Transport Systems Computer-Aided Product Design and Optimization In Manufacturing Engineering Computer-Aided System and Equipment Design In Automotive Production Quality Improvement Techniques Occupational Safety and Risk Analysis Administrative Services: Member of the ethics committee of university life, Mersin University, since 2013 Academic Evaluation and Quality Improvement Committee Authorized Representative, Faculty of Technology, Mersin University, since 2013. Academic Evaluation and Quality Improvement Committee Responsible, Automotive Engineering Department, Mersin University, since 2013. Diploma Supplement & ECTS (European Credit Transfer System) Coordinator, Department of Mechanical Education (Graduate level), Mersin University, since 2013. Diploma Supplement & ECTS (European Credit Transfer System) Coordinator, Department of Mechanical Education (Undergraduate level), Mersin University, since 2011. Bologna Coordinator, Department of Mechanical Education, Mersin University, since 2010. Erasmus Programme Coordinator, Department of Mechanical Education, Mersin University, since 2010. Farabi Student Mobility Programme Coordinator, Department of Mechanical Education, Mersin University, since 2010. Quality Representative, Faculty of Technical Education, Mersin University, since 2010.
Institutional and Professional Services: Thesis and Project Supervisions Thesis Supervisor, Master of Science, An exoskeleton robot design to support passive exercise movements used in rehabilitation of upper limbs, Mersin University, Institute of Science, Department of Manufacturing Engineering, İbrahim Yapici, (2013- continued) Thesis Co-Supervisor, Master of Science, Computational Study of Gas Turbine Blade Leading Edge Internal Cooling Using Efficient Heat Transfer Surfaces, Gaziantep University, Faculty of Engineering, Department of Mechanical Engineering, Celal Nazli, (2013- continued) Thesis Supervisor, Master of Science, Three-Dimensional Numerical Analysis of Optimum Characteristics of Delta-Wings in the Context of Energy Efficiency, Mersin University, Institute of Science, Department of Mechanical Education, Cenap Ozgun, (2013- continued) Thesis Supervisor, Master of Science, Mersin University, Institute of Science, Department of Mechanical Education, Emre Sezen (2011- continued) Scientific Project Supervisor, for the projects proposed to Scientific and Technological Council of Turkey, (TUBITAK), since 2012 Final Year Project Supervisor, Department of Mechanical Education, Mersin University, since 2010 Reviews and Editorships Reviewer, 10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, HEFAT, 2014 Reviewer, International Journal of Thermal Sciences, since 2013 Principal editor, book translation, Principles of Engineering Thermodynamics by M. J. Moran, H. N. Shapiro, 7 th edition, 2013-cont. Reviewer, Journal of Mechanical Science and Technology, since 2012 Reviewer, ASME Journal of Heat Transfer, since 2011 Reviewer, Engineering Applications of Computational Fluid Mechanics, since 2011 Jury Memberships Jury Member, Flow Investigations Around Circular Horizontal Cylinders with Spoiler,, M.Sc. Thesis, Mustafa Kemal University, Mechanical Engineering Department, Halil Cebeci, 2013 Jury Member, Computational Fluid Dynamics Analysis in High-Temperature Industrial Chimneys Without Economizer, M.Sc. Thesis, Mustafa Kemal University, Mechanical Engineering Department, Aykut Guzel, 2013 Jury Member, Control of Unsteady Flow Structure Occuring Behind Cylinder by Passive Control Methods M.Sc. Thesis, Mersin University, Mechanical Education Department, Mehmet Kucuk, 2013
Jury Member, Technical and Economical Analyses of an Electrolysis Apparatus used to Supply Excess Hydrogen for Internal Combustion Engines, M.Sc. Thesis, Mersin University, Mechanical Engineering Department, Düzgün Deniz Karabulut, 2009 Memberships in Advisory Committee Comission Member for assessment of the projects proposed to Science, Industry and Technology Ministry of Turkey, since 2013 Scientific Project Panelist, for the projects applied to Scientific and Technological Council of Turkey, (TUBITAK), since 2013 Executive Committee Member, Agricultural Machinery Symposium and Exhibition, organised by Turkish Chamber of Mechanical Engineers (TMMOB), Mersin Branch, Mersin, 23-24 November, 2001 Other Services Educator, in Science and Nature Education From Mediterranean Sea to Toros Mountains project, sponsored by Scientific and Technological Council of Turkey (TUBITAK) 2013-2014 Founder of the Numerical Modeling (Computational Fluid Dynamics) Laboratory, Faculty of Technology, Mersin University, 2012 Student Advisor, 1 st, 2 nd and 3 rd years, Mechanical Education Department, Mersin University, since 2009 Educator, Formula G-2007 Solar Car Race, organized by Scientific and Technological Council of Turkey, (TUBITAK), Ataturk Culture Center, Ankara, Turkey, 2007 Forensic Engineer, as a Mechanical Engineer, Mersin Provincial Courts, since 1995 Authorized Mechanical Engineer, motor and chasis number determination and examination of motor vehicles, Mechanical Engineering Department, Mersin University, between 1995-2009 Scientific Awards and Honors: 1) Name : International Post Doctoral Research Fellowship Programme (School of Engineering and Design, Brunel University, London, UK) Sponsor : Scientific and Technological Council of Turkey (TUBITAK) Period : 2009-2011 2) Name : Incentive awards for scientific publications Sponsors : Scientific and Technological Council of Turkey (TUBITAK) Period : Since 2004 3) Name : Incentive awards for scientific publications Sponsors : Mersin University Period : Since 2004
Membership of Institutions: Member of American Society of Mechanical Engineers (ASME) finished Member of Turkish Chamber of Mechanical Engineers (TMMOB) continued Member of Turkish Society of Installation Engineers (TTMD) continued Member of Turkish Thermal Science and Engineering Association (ULIBTK) continued Funded Research and Contracts: 1) Title : Principal Investigator Project name : Numerical Modeling of Interaction of Hydrodynamics and Heat Transfer Fields Around Delta-Wing Type Vortex Generators in Triangular Channels Contract No : 111M726 Sponsor : Scientific and Technological Council of Turkey (TUBITAK) Host : Mersin University, Faculty of Technology, Turkey Period : 2012-2014 (continued) 2) Title : Principal Investigator Project name : Determination of Optimum Properties of Delta-Wings by Three-Dimensional Numerical Analysis (CFD) Method in the Context of Energy Efficiency Contract No : BAP-FBE MEB (ES) 2012-3 YL Host : Mersin University, Faculty of Technical Education, Turkey Period : 2012-2013 (continued) 3) Title : Principal Investigator Project name : Investigations of Heat Transfer Enhancement Techniques in Triangular Ducts Contract No : BAP-TTEF MEB (AA) 2011-7 HD Host : Mersin University, Faculty of Technical Education, Turkey Period : 2011-2012 (finished) 4) Title : Post-doctoral fellow Project name : Numerical modeling of dispersion of a heavier than air gas in turbulent atmospheric boundary layer Sponsor : Scientific and Technological Council of Turkey (TUBITAK) Host : Brunel University, Mechanical Engineering Department, London, UK Period : 2009-2011 (finished) 5) Title : Principal Investigator Project name : Design and production of a solar-powered race car Contract No : MUH/F/MM(AA)/2007-1 Host : Mersin University, Mechanical Engineering Department, Turkey Period : 2007-2008 (finished) 6) Title : Investigator Project name : Investigations of flow characteristics in heat exchanger models having different geometrical characteristics Contract No : MMF2004BAP13 Sponsor : Office of Scientific Research Projects of Cukurova University Host : Cukurova University, Mechanical Engineering Department, Turkey Period : 2004-2006 (finished)
7) Title : Investigator Project name : Computational Modeling of Turbulent Heat Transfer for the Design of Heat Exchangers Used in Greenhouses Heated by Geothermal Energy Contract No : MİSAG147 Sponsor : Scientific and Technological Council of Turkey (TUBITAK) Host : Mersin University, Mechanical Engineering Department, Turkey Period : 2001-2004 (finished) 8) Title : Investigator Project name : Computational Modeling of Convective Heat Transfer for Waste Heat Recovery Systems Contract No : MUH. FAK. (MT) 2001-1 Host : Mersin University, Mechanical Engineering Department, Turkey Period : 2001-2003 (finished) 9) Title : Investigator Project name : Application of the LES Method in Heat Exchanger Design Contract No : D-2001 FBE.2001.D.39 Sponsor : Office of Scientific Research Projects of Cukurova University Host : Cukurova University, Agricultural Engineering Department, Turkey Period : 2001-2002 (finished) 10) Title : Investigator Project name : Numerical Modeling of Turbulent Heat Transfer in Heat Exchanger Design Contract No : FBE-MM (AA) 2000-1-D Host : Mersin University, Mechanical Engineering Department, Turkey Period : 1998-2000 (finished) 11) Title : Investigator Project name : Design of a Separating Machine for Citrus Fruit Seeds Contract No : FBE/MM(AA)/1996-1-YL Host : Mersin University, Mechanical Engineering Department, Turkey Period : 1996-1998 (finished) Publications: Refereed International Journal Publications 1 Mokhtarzadeh Dehghan M.R., Akcayoglu, A., Robins, A.G., 2012. Numerical Study and Comparison With Experiment of Dispersion of a Heavier-Than-Air Gas in a Simulated Neutral Atmospheric Boundary Layer, Journal of Wind Engineering and Industrial Aerodynamics, 110, 10-24. 2 Akcayoglu, A., 2011. Flow Past Confined Delta-Wing Type Vortex Generators, Experimental Thermal and Fluid Science, 35(1): 112-120. 3 Ozturk, N.A., Akcayoglu, A., Sahin, B., 2009. Downstream Particle Image Measurements of a Circular Cylinder-Plate Junction, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 223(8): 1837-1849. 4 Ozturk, N.A., Akkoca, A., Sahin, B., 2008. PIV Measurements of Flow Past a Confined Cylinder, Experiments in Fluids, 44: 1001-1014. 5 Ozturk, N.A., Akkoca, A., Sahin, B., 2008. Flow Details Of A Circular Cylinder Mounted On A Flat Plate, Journal of Hydraulic Research, 46(3): 344-355.
6 Sahin, B., Akkoca, A., Ozturk, N.A., Akilli, H., 2006. Investigations of Flow Characteristics in a Plate Fin and Tube Heat Exchanger Model Composed of Single Cylinder, International Journal of Heat and Fluid Flow, 27(3):522-530. 7 Tutar, M., Akkoca, A., 2004. Numerical Analysis of Fluid Flow and Heat Transfer Characteristics in a Three Dimensional Plate Fin and Tube Heat Exchanger, Numerical Heat Transfer, Part A, 46(3):301-321. 8 Akkoca, A., Zeren, Y., 2002. Design of a Machine for Separating Lemon Seed and Pomace, Agricultural Mechanization in Asia, Africa and Latin America (AMA), 33(2):51-54. Refereed International Conference Presentations with Proceedings 1 Akcayoglu, A., Cebeci, H., Nazli, C. Thermo-hydraulic Performance Evaluation of Inclined Vortex Generators MSMEE 2013- International Conference on Materials Science, Machinery and Energy Engineering, December 24-25, Hong Kong, 2013. This presentation has been published in: Advanced Materials Research Vol. 853 (2014) pp 317-322 (2014) Trans Tech Publications, Switzerland doi:10.4028/www.scientific.net/amr.853.317 2 Akcayoglu, A., Sahin, B., Canpolat, C., Akilli, H. Experimental Fow Results in a Non-Circular Duct With Heat Transfer Augmenting Obstacles, WCE 2010, World Congress of Engineering, 30 June-2 July, 2010, London, UK. This presentation has been published in: Lecture Notes in Engineering and Computer Science, 2010, vol. 2184, ıss:1, pp. 1297-1300. 3 Tutar, M., Akkoca, A. A computational study of effects of different geometrical parameters on heat transfer and fluid flow in a wavy and plain fin and tube heat exchanger, 6 th Biennial Conference on Engineering Systems Design and Analysis (ESDA 2002), 9-12 July 2002, Istanbul, CD-ROM. 4 Tutar M., Akkoca, A., Öztekin, S. A Numerical Study of Heat Transfer And Fluid Flow In A Plate Fin- and- Tube Heat Exchanger, Proceedings of Symposium on Emerging Technologies For Fluids, Structures, and Fluid/Structure Interactions, ASME PVP Conference July 22-26, 2001, Atlanta, Georgia, Proceedings, 431:77-84. 5 Soysal, Y., Oztekin, S., Akkoca, A. Selection of Equilibrium Moisture Content Equations for Some Fruits and Vegetables 7th International Congress on Mechanization and Energy in Agriculture, Adana, May 26-27, 1999. Proceedings, 550-554. 6 Soysal, Y., Oztekin, S., Akkoca, A., Selection of Equilibrium Moisture Content Equations for Some Medicinal and Aromatic Plants 7th International Congress on Mechanization and Energy in Agriculture, Adana, May 26-27, 1999. Proceedings, 545-549. Refereed National Journal Publications 1 Akkoca, A., Sahin, B., Tutar, M., 2005. Effect of Different Wall Functions on the Prediction of Flow and Heat Transfer Characteristics in Plate Fin and Tube Heat Exchangers, Journal of Faculty of Engineering and Architecture of Selcuk University, vol.20, no.4, 77-86. 2 Akkoca, A., Ozturk, N.A., 2005. Description of Particle Image Velocimetry Technique and its Applications, Journal of Faculty of Engineering and Architecture of Cukurova University, ISSN 1019-1011, vol.20, no.2, 15-26. 3 Akkoca, A., Ozturk, N.A., Sahin, B., Akilli, H., 2004. Horseshoe Vortex Formation and Evolution in a Single Row Plate Fin and Tube Heat Exchanger, Journal of Faculty of Engineering and Architecture of Cukurova University, vol.19, no.2, 15-26. 4 Akkoca, A., 2004. Effects of Laminar/Turbulence Modelling on the Prediction of Flow Characteristics and Heat Transfer Data in Plate Fin and Tube Heat Exchangers, Journal of Faculty of Engineering and Architecture of Cukurova University, vol.19, no.2, 27-42.
5 Akkoca, A., 2004. Determination of Optimum Geometrical Parameters of Compact Heat Exchangers Using Computational Fluid Dynamics, Journal of Faculty of Engineering and Architecture of Cukurova University, vol.19, no.2, 43-58. Other Professional Publications / Research Reports 1 Investigations of Heat Transfer Enhancement Techniques in Triangular Ducts, Office of Scientific Research Projects of Mersin University, No: BAP-TTEF MEB (AA) 2011-7 HD, 2012. 2 Numerical Modelling of Dispersion of a Heavier Than Air Gas in Turbulent Atmospheric Boundary Layer, Scientific and Technological Council of Turkey (TUBITAK), No: 2219, 2011. 3 Design and production of a solar-powered race car, Office of Scientific Research Projects of Mersin University, No: MUH/F/MM(AA)/2007-1, 2008. 4 Investigations of flow characteristics in heat exchanger models having different geometrical characteristics, Office of Scientific Research Projects of Cukurova University, No: MUH.FAK.(MT), 2006. 5 Computational Modeling of Turbulent Heat Transfer for the Design of Heat Exchangers Used in Greenhouses Heated by Geothermal Energy, Scientific and Technological Council of Turkey, No: MİSAG147, 2004. 6 Computational Modeling of Convective Heat Transfer for Waste Heat Recover Systems, Office of Scientific Research Projects of Mersin University, No: MUH. FAK. (MT) 2001-1, 2003. 7 Application of the LES Method in Heat Exchanger Design, Office of Scientific Research Projects of Cukurova University, No: D-2001 FBE.2001.D.39, 2002. 8 Numerical Modeling of Turbulent Heat Transfer in Heat Exchanger Design, Office of Scientific Research Projets of Mersin University, No: FBE-MM (AA) 2000-1-D, 2000. 9 Design of a Separating Machine for Citrus Fruit Seeds, Office of Scientific Research Projects of Mersin University, No: FBE/MM(AA)/1996-1-YL,1998. Refereed National Conference Presentations with Proceedings 1 Akcayoglu, A., Nazli, C. R&D studies on solar energy in Turkey and over the globe and a suggestion of an interdisciplinary project application for Mersin region 6 th Solar Energy Systems Symposium and Exhibition, Turkish Chamber of Mechanical Engineers (TMMOB), Mersin Branch, Mersin, Turkey, December 06-07, 2013. 2 Ozturk, N.A., Akkoca, A., Sahin, B., 2008. Experimental investigation of flow physics in staggered tube bundles, 2 nd National Aviation and Space Conference, 15-17 October 2008, ITU, İstanbul, Turkey. Proceeding No: UHUK-2008-056. 3 Akkoca, A., Şahin, B., Ozturk, N.A., Akıllı, H., 2006. Experimental determination of flow characteristics in a plate fin and tube heat exchanger, 1 st National Aviation and Space Conference, 21-23 September 2006, ODTU, Ankara, Turkey. Proceeding No: UHUK-2006-030. 4 Ozturk, N.A., Akkoca, A., Sahin, B., 2006. Investigation of flow around a cylinder mounted on flat plate using PIV method HASEM 06, Kayseri 6 th Aviation Symposium, Proceedings, pp:568-572. 12-14 May 2006, Nevşehir, Turkey. 5 Ozturk N.A., Akkoca, A., Sahin, B., Akilli, H., 2006. Flow structure investigations in a compact heat exchanger using PIV Technique, GAP 5 th Engineering Congress, Proceedings, Vol: 1, pp: 44-51, 26-28 April 2006, Şanlıurfa, Turkey. 6 Tutar, M., Akkoca, A., 2001. CFD Modelling of Heat Transfer and Corresponding Turbulent Flow Characteristics of Plate Fin and Tube Heat Exchangers Used in Greenhouses, 6 th FIGES Meeting Conference, Proceedings, pp:130-141, 8-10 November, 2001, Bursa. Turkey.
7 Tutar, M., Akkoca, A., Öztekin, S., 2001. A Numerical Study for Comparison of Laminar and Turbulent Flow Regimes in a Plate Fin and Tube Heat Exchanger, 13 rd National Heat Science and Technology Conference, Proceedings, pp:162-169, 5-7 September 2001, Konya, Turkey. 8 Akkoca, A., Zeren, Y., 1997. Design of a machine for seperating pulp and seeds obtained as a by-product in food industry, 17 th National Agricultural Mechanization and Energy Conference, Proceedings, pp:948-954,tokat, Turkey. Scientific Presentations: 1 Akcayoglu, A., Thermo-hydraulic Performance Evaluation of Inclined Vortex Generators MSMEE 2013- International Conference on Materials Science, Machinery and Energy Engineering, December 24-25, Hong Kong, 2013. 2 Akcayoglu, A., R&D studies on solar energy in Turkey and over the globe and a suggestion of an interdisciplinary project application for Mersin region 6 th Solar Energy Systems Symposium and Exhibition, Turkish Chamber of Mechanical Engineers (TMMOB), Mersin Branch, Mersin, Turkey, December 06-07, 2013. 3 Akcayoglu, A., Experimental Fow Results in a Non-Circular Duct With Heat Transfer Augmenting Obstacles, WCE 2010, World Congress of Engineering, Imperial College, London, UK, July 1, 2010. 4 Akkoca, A., Experimental determination of flow characteristics in a plate fin and tube heat exchanger, 1 st National Aviation and Space Conference, Middle East Technical University, Ankara, Turkey, September 22, 2006. 5 Akkoca, A., Investigation of flow around a cylinder mounted on flat plate using PIV method, HASEM 06, Kayseri 6 th Aviation Symposium, Kapadokya Dedeman Hotel, Nevşehir, Turkey, May 12, 2006. 6 Akkoca, A., A computational study of effects of different geometrical parameters on heat transfer and fluid flow in a wavy and plain fin and tube heat exchanger, 6 th Biennial Conference on Engineering Systems Design and Analysis (ESDA 2002), Istanbul Technical University, Gumussuyu, Istanbul, July, 9, 2002. 7 Akkoca, A., A Numerical Study for Comparison of Laminar and Turbulent Flow Regimes in a Plate Fin and Tube Heat Exchanger, 13 rd National Heat Science and Technology Conference, Selcuk University, Konya, Turkey September 5, 2001. 8 Akkoca, A., Design of a machine for seperating pulp and seeds obtained as a by-product in food industry, 17 th National Agricultural Mechanization and Energy Conference, Cumhuriyet University, Tokat, Turkey, September 19, 1997.