Prof. Dr. Selin Aradağ Çelebioğlu

SCI, SSCI ve AHCI İndekslerine Giren Dergilerde Yayınlanan Makaleler

Investigation of aerodynamic and aeroacoustic behavior of bio-inspired airfoils with numerical and experimental methods

Güzey K., Aylı U. E., Kocak E., Aradağ Çelebioğlu S.

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science , cilt.238, sa.5, ss.1265-1279, 2024 (SCI-Expanded)

Exploring the potential of artificial intelligence tools in enhancing the performance of an inline pipe turbine

Celebioglu K., Ayli E., Cetinturk H., Taşcıoğlu Y., Aradağ Çelebioğlu S.

Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering , 2024 (SCI-Expanded)

Design of the ONERA M6 wing by shape optimization under uncertainty ONERA M6 kanadının belirsizlik altında şekil optimizasyonu ile tasarımı

Demir G., Görgülüarslan R. M., Aradağ Çelebioğlu S.

Journal of the Faculty of Engineering and Architecture of Gazi University , cilt.39, sa.2, ss.771-784, 2024 (SCI-Expanded)

Robust shape optimization under model uncertainty of an aircraft wing using proper orthogonal decomposition and inductive design exploration method

Demir G., Gorguluarslan R. M., Aradağ Çelebioğlu S.

Structural and Multidisciplinary Optimization , cilt.66, sa.4, 2023 (SCI-Expanded)

Critical decision making for rehabilitation of hydroelectric power plants

Celebioglu K., Ayli E., Ulucak O., Aradağ Çelebioğlu S., Westerman J.

Energy Sources, Part A: Recovery, Utilization and Environmental Effects , cilt.45, sa.4, ss.10073-10106, 2023 (SCI-Expanded)

Investigation of double-layered wavy microchannel heatsinks utilizing porous ribs with artificial neural networks

Bayer Ö., Baghaei Oskouei S., Aradağ Çelebioğl S.

International Communications in Heat and Mass Transfer , cilt.134, 2022 (SCI-Expanded) Sürdürülebilir Kalkınma

CFD based design of a 4.3MW Francis turbine for improved performance at design and off-design conditions

Aradağ Çelebioğl S., Akin H., Celebioglu K.

Journal of Mechanical Science and Technology , cilt.31, sa.10, ss.5041-5049, 2017 (SCI-Expanded)

CFD-driven surrogate-based multi-objective shape optimization of an elbow type draft tube

Demirel G., Acar E., Celebioglu K., Aradağ Çelebioğl S.

International Journal of Hydrogen Energy , cilt.42, sa.28, ss.17601-17610, 2017 (SCI-Expanded)

Numerical research of cavitation on Francis turbine runners

Celebioglu K., Altintas B., Aradağ Çelebioğl S., Taşcıoğlu Y.

International Journal of Hydrogen Energy , cilt.42, sa.28, ss.17771-17781, 2017 (SCI-Expanded)

Simulation-based design and optimization of Francis turbine runners by using multiple types of metamodels

Ayancik F., Acar E., Celebioglu K., Aradağ Çelebioğl S.

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science , cilt.231, sa.8, ss.1427-1444, 2017 (SCI-Expanded)

Model Testing of Francis-Type Hydraulic Turbines

Kavurmaci B., Celebioglu K., Aradağ Çelebioğl S., Taşcıoğlu Y.

Measurement and Control (United Kingdom) , cilt.50, sa.3, ss.70-73, 2017 (SCI-Expanded)

Effects of active and passive control techniques on Mach 1.5 cavity flow dynamics

Aradağ Çelebioğl S., Gelisli K. A., Yaldir E. C.

International Journal of Aerospace Engineering , cilt.2017, 2017 (SCI-Expanded)

Comparative gasketed plate heat exchanger performance prediction with computations, experiments, correlations and artificial neural network estimations

Aradağ Çelebioğl S., Genc Y., Turk C.

Engineering Applications of Computational Fluid Mechanics , cilt.11, sa.1, ss.467-482, 2017 (SCI-Expanded)

Experimental analysis of a mixed-plate gasketed plate heat exchanger and artificial neural net estimations of the performance as an alternative to classical correlations

Turk C., Aradağ Çelebioğl S., Kakac S.

International Journal of Thermal Sciences , cilt.109, ss.263-269, 2016 (SCI-Expanded)

Experimental investigation and CFD analysis of rectangular profile FINS in a square channel for forced convection regimes

Ayli E., BAYER Ö., Aradağ Çelebioğl S.

International Journal of Thermal Sciences , cilt.109, ss.279-290, 2016 (SCI-Expanded)

Determination and generalization of the effects of design parameters on Francis turbine runner performance

Ayli E., Celebioglu K., Aradağ Çelebioğl S.

Engineering Applications of Computational Fluid Mechanics , cilt.10, sa.1, ss.545-564, 2016 (SCI-Expanded)

Aerodynamic Analysis of a vertically landing lifting body

Aradağ Çelebioğl S., Seidel J., Cummings R. M., Cook L.

ISI BILIMI VE TEKNIGI DERGISI/ JOURNAL OF THERMAL SCIENCE AND TECHNOLOGY , cilt.35, sa.1, ss.35-42, 2015 (SCI-Expanded)

Experimental investigation and performance analysis of gasketed plate heat exchangers

Akturk F., Sezer-Uzol N., Aradağ Çelebioğl S., Kakac S.

ISI BILIMI VE TEKNIGI DERGISI/ JOURNAL OF THERMAL SCIENCE AND TECHNOLOGY , cilt.35, sa.1, ss.43-52, 2015 (SCI-Expanded)

Artificial Neural Network based prediction of time-dependent behavior for lid-driven cavity flows

Paksoy A., Aradağ Çelebioğl S.

Isi Bilimi Ve Teknigi Dergisi/ Journal of Thermal Science and Technology , cilt.35, sa.2, ss.1-18, 2015 (SCI-Expanded)

Experimental comparison of performances of three different plates for gasketed plate heat exchangers

Gulenoglu C., Akturk F., Aradağ Çelebioğl S., SEZER UZOL N., Kakac S.

International Journal of Thermal Sciences , cilt.75, ss.249-256, 2014 (SCI-Expanded)

Numerical laser energy deposition on supersonic cavity flow and sensor placement strategies to control the flow

Yilmaz I., Aradağ Çelebioğl S.

The Scientific World Journal , cilt.2013, 2013 (SCI-Expanded)

Investigation of the effects of length to depth ratio on open supersonic cavities using CFD and proper orthogonal decomposition

Yilmaz I., Ayli E., Aradağ Çelebioğl S.

The Scientific World Journal , cilt.2013, 2013 (SCI-Expanded)

CFD simulations and reduced order modeling of a refrigerator compartment including radiation effects

BAYER Ö., Oskay R., Paksoy A., Aradağ Çelebioğl S.

Energy Conversion and Management , cilt.69, ss.68-76, 2013 (SCI-Expanded)

Effects of air blowing on turbulent flow over a circular cylinder

Apacoglu B., Paksoy A., Aradağ Çelebioğl S.

Isi Bilimi Ve Teknigi Dergisi/ Journal of Thermal Science and Technology , cilt.32, sa.2, ss.107-119, 2012 (SCI-Expanded)

CFD analysis of cooling of electronic equipment as an undergraduate design project

Aradağ Çelebioğl S., Olgun U., Aktürk F., Başibüyük B.

Computer Applications in Engineering Education , cilt.20, sa.1, ss.103-113, 2012 (SCI-Expanded)

Nonlinear estimation of transient flow field low dimensional states using artificial neural nets

Cohen K., Siegel S., Seidel J., Aradağ Çelebioğl S., McLaughlin T.

Expert Systems with Applications , cilt.39, sa.1, ss.1264-1272, 2012 (SCI-Expanded)

Filtered POD-based low-dimensional modeling of the 3D turbulent flow behind a circular cylinder

Aradağ Çelebioğl S., Siegel S., Seidel J., Cohen K., Mclaughlin T.

International Journal for Numerical Methods in Fluids , cilt.66, sa.1, ss.1-16, 2011 (SCI-Expanded)

Hybrid ventilation system simulation for several cities in Turkey

Aradağ Çelebioğl S., BAYER Ö., Karatas C., Poyraz U., Kalkan O., Haciahmetoglu F., et al.

International Journal of Ventilation , cilt.9, sa.4, ss.351-357, 2011 (SCI-Expanded) Sürdürülebilir Kalkınma

CFD analysis and reduced order modeling of uncontrolled and controlled laminar flow over a circular cylinder

Apacoglu B., Paksoy A., Aradağ Çelebioğl S.

Engineering Applications of Computational Fluid Mechanics , cilt.5, sa.1, ss.67-82, 2011 (SCI-Expanded)

Integration of computations and experiments for flow control research with undergraduate students

Aradağ Çelebioğl S., Cohen K., Seaver C. A., McLaughlin T.

Computer Applications in Engineering Education , cilt.18, sa.4, ss.727-735, 2010 (SCI-Expanded)

Two and Three Dimensional Simulations of Supersonic Cavity Configurations

Aradağ Çelebioğl S., Kim H. J., D. Knight D.

ENGINEERING APPLICATIONS OF COMPUTATIONAL FLUID MECHANICS , cilt.4, sa.4, ss.612-621, 2010 (SCI-Expanded)

Unsteady turbulent vortex structure downstream of a three dimensional cylinder

Aradağ Çelebioğl S.

Isi Bilimi Ve Teknigi Dergisi/ Journal of Thermal Science and Technology , cilt.29, sa.1, ss.91-98, 2009 (SCI-Expanded)

The effects of laser energy deposition on supersonic cavity flow

Aradağ Çelebioğl S., Yan H., Knight D.

Isi Bilimi Ve Teknigi Dergisi/ Journal of Thermal Science and Technology , cilt.29, sa.2, ss.67-73, 2009 (SCI-Expanded)

Quiet-flow ludwieg tube for hypersonic transition research

Juliano T. J., Schneider S. P., Aradağ Çelebioğl S., Knight D.

AIAA Journal , cilt.46, sa.7, ss.1757-1763, 2008 (SCI-Expanded)

Bleed lip geometry effects on the flow in a hypersonic wind tunnel

Aradağ Çelebioğl S., Knight D. D., Schneider S. P.

AIAA Journal , cilt.44, sa.9, ss.2133-2136, 2006 (SCI-Expanded)

Diğer Dergilerde Yayınlanan Makaleler

Experimental Investigation of Thermal and Hydraulic Performance of a Plate Heat Exchanger Using Nanofluids

Kayabaşı U., Kakaç S., Aradağ Çelebioğl S., Pramuanjaroenkij A.

Journal of Engineering Physics and Thermophysics , cilt.92, sa.3, ss.783-796, 2019 (ESCI)

Rehabilitation of Francis Turbines of Power Plants with Computational Methods

Celebioglu K., Aradağ Çelebioğl S., Altıntas B., Ayli E.

Hittite Journal of Science and Engineering , cilt.5, sa.1, ss.37-48, 2018

Experimental Investigation of Thermal and Hydraulic Performances of Gasketed Plate Heat Exchangers

Aradağ Çelebioğl S., Kakac S., Gulenoglu C.

Mühendis ve Makina (Engineer And Machinery) , 2013

Experimental Investigation of Cooling of Electronic Equipment

Ayli E., Turk C., Aradağ Çelebioğl S.

International Journal of Materials, Mechanics and Manufacturing , ss.153-157, 2013

Hydroturbine Runner Design and Manufacturing

Ayancik F., Aradag U., Ozkaya E., Celebioglu K., Unver O., Aradağ Çelebioğl S.

International Journal of Materials, Mechanics and Manufacturing , ss.162-165, 2013

An Assessment of the Effects of Laser Energy Deposition for Cavity Flows

Yilmaz I., Aradağ Çelebioğl S.

International Journal of Materials, Mechanics and Manufacturing , ss.158-161, 2013

A Review of Control Methods for Cavity Flows and Feasibility of Laser Energy Deposition as an Actuator

Yilmaz I., Ayli E., Aradağ Çelebioğl S.

INTERNATIONAL JOURNAL OF FLOW CONTROL , cilt.4, sa.1-2, ss.29-46, 2012

Hybrid Ventilation System Simulation for Several Cities in Turkey

Aradağ Çelebioğl S., Bayer O., Karatas C., Poyraz U., Kalkan O., Hacıahmetoğlu F., et al.

The International Journal of Ventilation , cilt.9, sa.4, 2011

Hakemli Kongre / Sempozyum Bildiri Kitaplarında Yer Alan Yayınlar

A Multi-Objective Robust Aircraft Wing Shape Optimization Approach

Demir G., Gorguluarslan R. M., Aradağ Çelebioğl S.

AIAA Aviation and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2021, Virtual, Online, 2 - 06 Ağustos 2021

Design, Installation And Tests Of Test Setup For A Plate And Fin Type Heat Exchanger Used As A Helicopter Engine Oil Cooler

Özer O., Uslu S., Aradağ Çelebioğl S.

ISPEC 9th International Conference On Engineering & Natural Sciences, Ankara, Türkiye, 13 - 15 Kasım 2020

NUMERICAL STUDY ON INDIRECT ULTRASONIC PROCESSING OF A TRANSPARENT FLUID

Çöllü Ö., Özer M. B., Durlu N., Aradağ Çelebioğl S., Taşcıoğlu Y.

20th International Metallurgy and Materials Congress, İstanbul, Türkiye, 10 - 12 Haziran 2021

Investigation of a Francis Turbine Performance Using CFD and Site Efficiency Measurements

Ünal Y. T., Büyüksolak F., Altıntaş B., Çelebioğlu K., Ayli E., Ulucak O., et al.

8th European Conference on Renewable Energy Systems, İstanbul, Türkiye, 24 - 25 Ağustos 2020

Design and test of energy efficient hydroturbines

celebioglu K., Aradağ Çelebioğl S., Büyüksolak F., Altıntaş B., Tascioglu Y.

15th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Amsterdam, Hollanda, 20 - 22 Temmuz 2020

Passive control of acoustic resonance in subsonic cavities using Ffowcs-Williams-Hawkings equations

kocak e., ayli e., Aradağ Çelebioğl S.

15th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Amsterdam, Hollanda, 20 - 22 Temmuz 2020

Modeling piezoelectric actuators in ultrasonic excitation molds

Şahin M. A., Çöllü Ö., Taşcıoğlu Y., Durlu N., Aradağ Çelebioğl S., Özer M. B.

Active and passive control of supersonic cavity flow

Gelişli K. A., Aradağ Çelebioğl S., Taşcıoğlu Y., Özer M. B.

Computational fluid dynamics and proper orthogonal decomposition based control of flow over supersonic cavities

Gelisli K. A., Aradağ Çelebioğl S., Taşcıoğlu Y., ÖZER M. B.

25th AIAA/CEAS Aeroacoustics Conference, 2019, Delft, Hollanda, 20 - 23 Mayıs 2019

Experimental investigation of thermal and hydraulic performance of a plate heat exchanger using nanofluids

Kakac S., Kayabasi U., Aradağ Çelebioğl S.

X. Minsk International Seminar: Heat Pipes, Heat Pumps, Refrigerators, Power Sources, 01 Eylül 2018

Bir muharip uçağın burun yukarı manevrasında oluşan kararlılık türevlerinin kestirimi

Taskonak A., Aradağ Çelebioğl S., Kaynak U.

VII. Ulusal Havacılık ve Uzay Konferansı (UHUK)

Experimental investigation of thermal and hydraulic performance of a plate heat exchanger using Al2O3 nanofluid

Kayabasi U., Aradağ Çelebioğl S., Kakac S.

6th European Conference on Renewable Energy Systems (ECRES 2018)

Performance tests of Francis type hydraulic turbines

Besni F., Buyuksolak F., Collu O., Celebioglu K., Tascioglu Y., Aradağ Çelebioğl S.

6th European Conference on Renewable Energy Systems (ECRES 2018)

CFD based design and prediction of performance for hydraulic turbines

Celebioglu K., Altintas B., Tascioglu Y., Aradağ Çelebioğl S.

16th International Conference on Clean Energy (ICCE 2018)

Benzer özellikli çift ve tek kompresörlü buzdolaplarının enerji indeksine göre deneysel karakterizasyonu

Akdemir A., Aradağ Çelebioğl S., Bayer O.

4. Uluslararası Katılımlı Anadolu Enerji Sempozyumu (AES 2018)

Plate Heat Exchangers

Aradağ Çelebioğl S., Kakac S.

Parametric optimization of a Francis turbine runner

Elikalfa A., Celebioglu K., Acar E., Aradağ Çelebioğl S.

ECRES 5th European Conference on Renewable Energy Systems

Shaft line design of a Francis turbine-Generator system for the rehabilitation of an existing hydroelectric power plant

Yuksel O., Celebioglu K., Aradağ Çelebioğl S., Tascioglu Y., Pehlivan A., Sahin C.

, 8th International Conference on Mechanical and Aerospace Engineering

Shaft line design of a Francis turbine-generator system for the rehabilitation of an existing hydroelectric power plant

Yüksel Ö., Çelebioğlu K., Aradağ Çelebioğl S., Taşcıoğlu Y., Pehlivan A. S., Şahin C.

Passive control of supersonic cavity flow oscillations

Aradağ Çelebioğl S., Gelisli A.

8th International Conference on Mechanical and Aerospace Engineering

Design optimization of a new hybrid MR brake

Kalin K., Tascioglu Y., Aradağ Çelebioğl S.

International Conference on Mechatronics Systems and Control Engineering

Investigation of cavitation properties of a Francis turbine runner

Altintas B., Celebioglu K., Aradağ Çelebioğl S.

4th European Conference on Renewable Energy Sytems

Conceptual design of a hydroelectric power plant for a rehabilitation project

Sepetci G., Cetinturk H., Ozkan S. Y., Ozhan Y., Karadeniz C., Celebioglu K., et al.

HEFAT 2016

CFD based hill chart construction and similarity study of prototype and model Francis turbines for experimental tests

Ayli E., Celebioglu K., Aradağ Çelebioğl S.

HEFAT 2016

An experimental facility to test the performances of gasketed plate heat exchangers

Kakac S., Aradağ Çelebioğl S.

Inline pipe Francis turbine design

Cetinturk H., Celebioglu K., Taşcıoğlu Y., Aradağ Çelebioğl S.

Machines, Technologies, Materials (MTM 2016)

Design of a Test Cell for Model Hydraulic Turbines

Buyuksolak F., Celebioglu K., Taşcıoğlu Y., Aradağ Çelebioğl S.

Machines, Technologies, Materials (MTM 2016)

Reverse engineering design of a hydraulic turbine runner

Kaplan A., Cetinturk H., Celebioglu K., Aradağ Çelebioğl S.

2015 World Congress on Engineering, WCE 2015, London, İngiltere, 1 - 03 Temmuz 2015, cilt.2218, ss.1173-1176

Experimental determination of cavitation characteristics of hydraulic turbines

Demirel G., Ayli E., Celebioglu K., Taşcıoğlu Y., Aradağ Çelebioğl S.

2015 World Congress on Engineering, WCE 2015, London, İngiltere, 1 - 03 Temmuz 2015, cilt.2218, ss.1230-1234

Design and optimization of a supersonic business jet

Kiyici F., Aradağ Çelebioğl S.

22nd AIAA Computational Fluid Dynamics Conference, 2015, Texas, Amerika Birleşik Devletleri, 22 - 26 Haziran 2015

CFD analysis of 3D flow for 1.4 MW Francis turbine and model turbine manufacturing

Ayli U. E., Kaplan A., Cetinturk H., Kavurmaci B., Demirel G., Celebioglu K., et al.

ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2015, Massachusetts, Amerika Birleşik Devletleri, 2 - 05 Ağustos 2015, cilt.1A-2015 Sürdürülebilir Kalkınma

CFD Aided Design and Optimization of Hydraulic Turbines

Ayancık F., Demirel G., Celebioglu K., Acar E., Aradağ Çelebioğl S.

Design of an Adaptive Power Regulation Mechanism for a Hydroelectric Power Plant Turbine Test Rig

Mert B., Aytaç Z., Taşcıoğlu Y., Çelebioğlu K., Aradağ Çelebioğl S.

Design and Construction of a Hydroturbine Test Facility

Aylı E., Kavurmacı B., Çetintürk H., Kaplan A., Çelebioğlu K., Aradağ Çelebioğl S., et al.

CFD Aided Design and Production of Hydraulic Turbines

Kaplan A., Cetinturk H., Demirel G., Ayli E., Celebioglu K., Aradağ Çelebioğl S.

Parametrical and theoretical design of a Francis turbine runner with the help of computational fluid dynamics

Ayancik F., Celebioglu K., Aradağ Çelebioğl S.

10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics

A CFD-Based Design Methodology for Hydraulic Turbines Applied to A Case Study in Turkey

Akin H., Celebioglu K., Aradağ Çelebioğl S.

10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics

An experimental facility to test the performances of plate heat exchangers

Gulenoglu C., Aradağ Çelebioğl S., Kakac S.

Convective Heat and mass Transfer (CONV 2014)

TOBB ETU Hydro Research Center: Capabilities and challenges

Aytac Z., Kavurmacı B., Celebioglu K., Aradağ Çelebioğl S., Tascioglu Y.

Design and analyses of a pressure reducing valve integrated to a Francis turbine for a pre-existing penstock

Kavurmacı B., Aytaç Z., Akın H., Ayancık F., Celebioglu K., Aradağ Çelebioğl S.

Cfd simulations and experimental validation for gasketed plate heat exchangers

Ozkaya E., Gulenoglu C., Aradağ Çelebioğl S., Kakac S.

International Symposium on Convective Heat and Mass Transfer, CONV 2014, Kusadasi, Türkiye, 8 - 13 Haziran 2014, ss.687-695

Design and construction of an experimental test rig for hydraulic turbines

Ayli E., Kavurmaci B., Celebioglu K., Aradağ Çelebioğl S.

ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis, ESDA 2014, Copenhagen, Danimarka, 25 - 27 Temmuz 2014, cilt.2

A combined experimental and computational study for the design of a low water consumption cooling tower

Dogan B., Yilmaz I., Polat O., Karabulut O., Ural A., ULUDAĞ Y., et al.

ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis, ESDA 2014, Copenhagen, Danimarka, 25 - 27 Temmuz 2014, cilt.2

CFD aided design of heat transfer plates for gasketed plate heat exchangers

Özkaya E., Aradağ Çelebioğl S., Kakac S.

ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis, ESDA 2014, Copenhagen, Danimarka, 25 - 27 Temmuz 2014, cilt.3

Design of a flow diverter mechanism and a nozzle for a hydro turbine experimental test rig

Cetinturk H., Aytac F. Z., Taşcıoğlu Y., Celebioglu K., Aradağ Çelebioğl S.

ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis, ESDA 2014, Copenhagen, Danimarka, 25 - 27 Temmuz 2014, cilt.2

Experimental investigation of heat transfer and pressure drop over rectangular profile fins placed in a square channel

Ayli E., Kiyici F., BAYER Ö., Aradağ Çelebioğl S.

International Symposium on Convective Heat and Mass Transfer, CONV 2014, Kusadasi, Türkiye, 8 - 13 Haziran 2014, ss.225-235

A CFD aided hydraulic turbine design methodology applied to Francis turbines

Akin H., Aytac Z., Ayancik F., Ozkaya E., Arioz E., Celebioglu K., et al.

2013 4th International Conference on Power Engineering, Energy and Electrical Drives, POWERENG 2013, İstanbul, Türkiye, 13 - 17 Mayıs 2013, ss.694-699

Design of an experimental test stand for francis type hydraulic turbines

Kavurmaci B., Akin H., Ayli E., Celebioglu K., Aradağ Çelebioğl S.

2013 4th International Conference on Power Engineering, Energy and Electrical Drives, POWERENG 2013, İstanbul, Türkiye, 13 - 17 Mayıs 2013, ss.876-880 Sürdürülebilir Kalkınma