Ali Koşar

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E-Mail
kosarasabanciunivedu
Phone
(216) 483 9621
Personal Web
Title
Faculty Member
Jobs
Instructor
Education
2003- 2006 Ph.D., Rensselaer Polytechnic Institute Troy, NY, USA
2001-2003 M.S., Rensselaer Polytechnic Institute Troy, NY, USA
1997-2001 B.S., Bosphorus University (Boğaziçi University) Istanbul, Turkey
1988-1996 Istanbul High School (Istanbul Erkek Lisesi)
Istanbul, Turkey
Areas of Interest
Ali Koşar's research interests lie in heat and fluid flow in micro heat sinks, micro/nano scale cooling, cavitation, boiling heat transfer, and MEMS (Microelectromechanical Systems). He has been conducting pioneering research on single-phase and boiling heat transfer, single-phase and two-phase pressure drop, critical heat flux (CHF), and cavitation in MEMS-based pin fin, second generation microchannel heat sinks. The results of his research have generated many papers on micro heat sinks in some prestigious journals like Journal of Heat Transfer and International Journal of Heat Transfer. Moreover, he also has some conference papers. RESEARCH INTERESTS Two-phase flow, Boiling Heat Transfer, Convective heat transfer, Critical Heat Flux, Electronic cooling, Microsystems, Nano/micro scale Heat Transfer, Minuatorization of heat sinks, Microfluidics
Awards
  • Elginkan Foundation Technology Award - Elginkan Foundation  2016
  • Award of Merit in Poster Competition in ASME (American Society of Mechanical Engineers) 2015 NEMB Conference (with Arzu Ozbey) - American Society of Mechanical Engineers  2015
  • Global Young Academy Member - Global Young Academy  2015
  • Hottest Article (http://top25.sciencedirect.com/subject/engineering/12/journal/experimental-thermal-and-fluid-science/08941777/archive/62/) - Experimental Thermal and Fluid Science  2015
  • Newton Fund - Royal Academy of Engineering  2015
  • Ten Outstanding Young Persons TOYP 2015 Turkey Award in Scientific Leadership - Junior Chamber lnternational Turkey  2015
  • Young Scientist of the Year Award - Science Heroes Association  2015
  • Best Paper Award, IMECE MEMS Division - ASME (American Society of Mechanical Engineers)  2014
  • Best Patent Award, Patens With Stars - Patents with Stars, Yildiz Technical University  2014
  • Cover article in the Journal of Microscale and Nanoscale Thermophyscial Engineering - Journal of Microscale and Nanoscale Thermophyscial Engineering  2014
  • Invited Lecturer, Cutting Edge Research & Technology Development in the field of Thermo-Fluid Dynamics, The German-Turkish Year of Science & Technology 2014 Event - Ozyegin University  2014
  • Science Academy Outstanding Young Investigator Award (BAGEP) - Science Academy  2014
  • Scientific Council Member, International Centre for Heat and Mass Transfer - International Centre for Heat and Mass Transfer  2014
  • ASME ICNMM (International Conference on Nanochannels, Microchannels, and Minichannels) Outstanding Early Career Award - American Society of Mechanical Engineers (ASME)  2013
  • Kadir Has Outstanding Young Investigator Award - Kadir Has University  2013
  • Eser Tumen Outstanding Success Award of Feyzi Akkaya Scientific Events Support Fund (FABED) - Feyzi Akkaya Scientific Events Support Fund (FABED)  2012
  • TUBITAK Incentive Award - TUBITAK  2012
  • Keynote Speaker-International Conference on Minichannels, Microchannels and Nanochannels - American Society of Mechanical Engineers  2011
  • METU Prof. Mustafa N. Parlar Foundation Research Incentive Award - METU Prof. Mustafa N. Parlar Foundation  2011
  • Outstanding Young Investigator Award - Turkish Academy of Sciences  2011
  • International Journal of Heat and Mass Transfer-Authors of Most Cited Articles: Article: Boiling heat transfer in rectangular microchannels with reentrant cavities - International Journal of Heat and Mass Transfer  2005
  • International Journal of Heat and Mass Transfer-Authors of Most Cited Articles: Article: Forced convective heat transfer across a pin fin micro heat sink - International Journal of Heat and Mass Transfer  2005
  • Dean's list, Bogazici University - Bosphorus University)  2000
  • Teaching Assistantship - Rensselaer Polytechnic Institute  2000
Memberships
ASME, AIAA, IEEE, HVAC, AIP, ICDS
Publications
  • Article
    Karimzadehkhouei, Mehrdad and Shojaeian, Mostafa and Şendur, Kürşat and Mengüç, M. Pınar and Koşar, Ali (2017) "The effect of nanoparticle type and nanoparticle mass fraction on heat transfer enhancement in pool boiling", International Journal of Heat and Mass Transfer, Vol.109, 157-166 (SCI)
    Mohammadi, Ali and Koşar, Ali (2017) "Hydrodynamic and thermal performance of microchannels with different staggered arrangements of cylindrical micro pin fins", Journal of Heat Transfer, Vol.139, No.6 ()
    Mohammadi, Ali and Koşar, Ali (2016) "Hydrodynamic and thermal performance of microchannels with different in-line arrangements of cylindrical micropin fins", Journal of Heat Transfer, Vol.138, No.12 (SCI)
    Khalili Sadaghiani, Abdolali and Yıldız, Mehmet and Koşar, Ali (2016) "Numerical modeling of convective heat transfer of thermally developing nanofluid flows in a horizontal microtube", International Journal of Thermal Sciences, Vol.109, 54-69 (SCI)
    Bayraktar, Öznur and Oral, Özlem and Kocatürk, Nur Mehpare and Akkoç, Yunus and Eberhart, Karin and Koşar, Ali and Gözüaçık, Devrim (2016) "IBMPFD disease-causing mutant VCP/p97 proteins are targets of autophagic-lysosomal degradation", PLoS One, Vol.11, No.10 (SCI)
    Karimzadehkhouei, Mehrdad and Ghorbani, Morteza and Sezen, Meltem and Şendur, Kürşat and Mengüç, M. Pınar and Leblebici, Yusuf and Koşar, Ali (2016) "Increasing the stability of nanofluids with cavitating flows in micro orifices", Applied Physics Letters, Vol.109, No.10, 247-251 (SCI)
    Shojaeian, Mostafa and Yıldızhan, Melike Mercan and Coşkun, Ömer and Özkalay, Ebrar and Tekşen, Yiğit and Gülgün, Mehmet Ali and Yağcı Acar, Havva and Koşar, Ali (2016) "Investigation of change in surface morphology of heated surfaces upon pool boiling of magnetic fluids under magnetic actuation", Materials Research Express, Vol.3, No.9 (SCI)
    Tekirdağ Koşar, Kumsal Ayşe and Akkoç, Yunus and Koşar, Ali and Gözüaçık, Devrim (2016) "MIR376 family and cancer", Histology and Histopathology, Vol.31, No.8, 841-855 (SCI)
    Ghorbani, Morteza and Yıldız, Mehmet and Gözüaçık, Devrim and Koşar, Ali (2016) "Cavitating nozzle flows in micro- and minichannels under the effect of turbulence", Journal of Mechanical Science and Technology, Vol.30, No.6, 2565-2581 (SCI)
    Mokkapati, Raghu Sarma and Özgüz, Volkan Hüsnü and Koşar, Ali (2016) "Experimental evidence and theoretical analysis of nanobubble stability within graphene nanoscrolls", Journal of Nanoscience and Nanotechnology, Vol.16, No.6, 6425-6431 (SCI)
    Ghorbani, Morteza and Oral, Özlem and Ekici, Sinan and Gözüaçık, Devrim and Koşar, Ali (2016) "Review on lithotripsy and cavitation in urinary stone therapy", IEEE Reviews in Biomedical Engineering, Vol.9, 264-283
    Nedaei, Masoumeh and Armağan, Efe and Sezen, Meltem and Özaydın İnce, Gözde and Koşar, Ali (2016) "Enhancemet of flow boiling heat transfer in pHEMA/pPFDA coated microtubes with longitudinal variations in wettability", AIP Advances, Vol.6, No.3 (SCI)
    Shojaeian, Mostafa and Koşar, Ali (2016) "Convective heat transfer of non-Newtonian power-law slip flows with variable thermophysical properties in parallel-plate and circular microchannels", International Journal of Thermal Sciences, Vol.100, 155-168 (SCI)
    Khalili Sadaghiani, Abdolali and Koşar, Ali (2016) "Numerical and experimental investigation on the effects of diameter and length on high mass flux subcooled flow boiling in horizontal microtubes", International Journal of Heat and Mass Transfer, Vol.92, 824-837 (SCI)
    Shojaeian, Mostafa and Sezen, Meltem and Koşar, Ali (2016) "Pool boiling heat transfer characteristics of non-Newtonian Xanthan gum solutions", Experimental Thermal and Fluid Science, Vol.70, 77-84 (SCI)
    Ghorbani, Morteza and Alcan, Gökhan and Yılmaz, D. and Ünel, Mustafa and Koşar, Ali (2015) "Visualization and image processing of spray structure under the effect of cavitation phenomenon", Journal of Physics: Conference Series, Vol.656 (SCI)
    İzci, Türker and Koz, Mustafa and Koşar, Ali (2015) "The effect of micro pin-fin shape on thermal and hydraulic performance of micro pin-fin heat sinks", Heat Transfer Engineering, Vol.36, No.17, 1447-1457 (SCI)
    Oral, Özlem and Çıkım, Taha Abdullah and Zuvin, Merve and Ünal, Özlem and Yağcı-Acar, Havva and Gözüaçık, Devrim and Koşar, Ali (2015) "Effect of varying magnetic fields on targeted gene delivery of nucleic acid-based molecules", Annals of Biomedical Engineering, Vol.43, No.11, 2816-2826 (SCI)
    Karimzadehkhouei, Mehrdad and Yalçın, Sinan Eren and Şendur, Kürşat and Mengüç, Pınar and Koşar, Ali (2015) "Pressure drop and heat transfer characteristics of nanofluids in horizontal microtubes under thermally developing flow conditions", Experimental Thermal and Fluid Science (SI), Vol.67, 37-47 (SCI)
    Üzüşen, Doğan and Demir, Ebru and Perk, Osman Yavuz and Oral, Özlem and Ekici, Sinan and Ünel, Mustafa and Gözüaçık, Devrim and Koşar, Ali (2015) "Assessment of probe-to-specimen distance effect in kidney stone treatment with hydrodynamic cavitation", Journal of Medical Devices, Vol.9, No.3 (SCI)
    Shojaeian, Mostafa and Koşar, Ali (2015) "Pool boiling and flow boiling on micro- and nanostructured surfaces", Experimental Thermal and Fluid Science, Vol.63, 45-73 (SCI)
    Özbey, Arzu and Karimzadehkhouei, Mehrdad and Yalçın, Sinan Eren and Gözüaçık, Devrim and Koşar, Ali (2015) "Modeling of ferrofluid magnetic actuation with dynamic magnetic fields in small channels", Microfluidics and Nanofluidics, Vol.18, No.3, 447-460 (SCI)
    Shojaeian, Mostafa and Yıldız, Mehmet and Koşar, Ali (2015) "Convective heat transfer and second law analysis of non-Newtonian fluid flows with variable thermophysical properties in circular channels", International Communications in Heat and Mass Transfer, Vol.60, 21-31 (SCI)
    Demir, Ebru and İzci, Türker and Khudhayer, Wisam J. and Alagöz, Arif Sinan and Karabacak, Tansel and Koşar, Ali (2014) "The effect of nanostructure distribution on subcooled boiling heat transfer enhancement over nanostructured plates integrated into a rectangular channel", Nanoscale and Microscale Thermophysical Engineering, Vol.18, No.4, 313-328 (SCI)
    Shojaeian, Mostafa and Yıldız, Mehmet and Koşar, Ali (2014) "Heat transfer characteristics of plug flows with temperature-jump boundary conditions in parallel-plate channels and concentric annuli", International Journal of Thermal Sciences, Vol.84, 252-259 (SCI)
    Gözüaçık, Devrim and Yağcı-Acar, Havva Funda and Akkoç, Yunus and Koşar, Ali and Doğan-Ekici, Işın and Ekici, Sinan (2014) "Anticancer use of nanoparticles as nucleic acid carriers", Journal of Biomedical Nanotechnology (SI), Vol.10, No.9, 1751-1783 (SCI)
    Çıkım, Taha Abdullah and Gözüaçık, Devrim and Koşar, Ali (2014) "Power reclamation efficiency of a miniature energy-harvesting device using external fluid flows", lnternational Journal of Energy Research, Vol.38, No.10, 1318-1330 (SCI)
    Demir, Ebru and İzci, Türker and Alagöz, Arif Sinan and Karabacak, Tansel and Koşar, Ali (2014) "Effect of silicon nanorod length on horizontal nanostructured plates in pool boiling heat transfer with water", International Journal of Thermal Sciences, Vol.82, 111-121 (SCI)
    Çıkım, Taha Abdullah and Armağan, Efe and Özaydın İnce, Gözde and Koşar, Ali (2014) "Flow boiling enhancement in microtubes with crosslinked pHEMA coatings and the effect of coating thickness", Journal of Heat Transfer, Vol.136, No.8 (SCI)
    Kaya, Alihan and Özdemir, Mehmed Rafet and Keskinöz, Mehmet and Koşar, Ali (2014) "The effects of inlet restriction and tube size on boiling instabilities and detection of resulting premature critical heat flux in microtubes using data analysis", Applied Thermal Engineering, Vol.65, No.1-2, 575-587 (SCI)
    Kurtoğlu, Evrim and Kaya, Alihan and Gözüaçık, Devrim and Acar, Funda Yağcı and Koşar, Ali (2014) "Experimental study on convective heat transfer performance of iron oxide based ferrofluids in microtubes", Journal of Thermal Science and Engineering Applications, Vol.6, No.3 (SCI)
    Shojaeian, Mostafa and Koşar, Ali (2014) "Convective heat transfer and entropy generation analysis on Newtonian and non-Newtonian fluid flows between parallel-plates under slip boundary conditions", International Journal of Heat and Mass Transfer, Vol.70, No.3, 664-673 (SCI)
    Korkmaz, Gözde and Tekirdağ, Kumsal Ayşe and Özturk, Deniz Gülfem and Koşar, Ali and Sezerman, Uğur and Gözüaçık, Devrim (2013) "MIR376A is a regulator of starvation-induced autophagy", PLoS One, Vol.8, No.12 (SCI)
    İtah, Zeynep and Oral, Özlem and Perk, Osman Yavuz and Şeşen, Muhsincan and Demir, Ebru and Erbil, Seçil and Doğan-Ekici, A. Işın and Ekici, Sinan and Koşar, Ali and Gözüaçık, Devrim (2013) "Hydrodynamic cavitation kills prostate cells and ablates benign prostatic hyperplasia tissue", Experimental Biology and Medicine, Vol.238, No.11, 1-9 (SCI)
    Kaya, Alihan and Demiryürek, Rıdvan and Armağan, Efe and Özaydın İnce, Gözde and Sezen, Meltem and Koşar, Ali (2013) "Boiling heat transfer enhancement in mini/microtubes via polyhydroxyethylmethacrylate (pHEMA) coatings on inner microtube walls at high mass fluxes", Journal of Micromechanics and Microengineering, Vol.23, No.11 (SCI)
    Özdemir, Mehmed Rafet and Koşar, Ali (2013) "Thermally developing single-phase flows in microtubes", Journal of Heat Transfer, Vol.135, No.7 (SCI)
    Şeşen, Muhsincan and Demir, Ebru and İzci, Türker and Khudhayer, Wisam and Karabacak, Tansel and Koşar, Ali (2013) "Submerged jet impingement cooling using nanostructured plates", International Journal of Heat and Mass Transfer, Vol.59, 414-422 (SCI)
    Şeşen, Muhsincan and Tekşen, Yiğit and Şahin, Berna and Şendur, Kürşat and Mengüç, M. Pınar and Koşar, Ali (2013) "Boiling heat transfer enhancement of magnetically actuated nanofluids", Applied Physics Letters, Vol.102, No.16 (SCI)
    Kaya, Alihan and Özdemir, Mehmed Rafet and Koşar, Ali (2013) "High mass flux flow boiling and critical heat flux in microscale", International Journal of Thermal Sciences, Vol.65, 70-78 (SCI)
    Kurtoğlu, Evrim and Bilgin, Alp and Şeşen, Muhsincan and Mısırlıoğlu, Burç and Yıldız, Mehmet and Acar, Funda Yağcı and Koşar, Ali (2012) "Ferrofluid actuation with varying magnetic fields for micropumping applications", Microfluidics and Nanofluidics (Sl), Vol.13, No.4, 683-694 (SCI)
    Perk, Osman Yavuz and Şeşen, Muhsincan and Gözüaçık, Devrim and Koşar, Ali (2012) "Kidney stone erosion by micro scale hydrodynamic cavitation and consequent kidney stone treatment", Annals of Biomedical Engineering, Vol.40, No.9, 1895-1902 (SCI)
    Şeşen, Muhsincan and Tekşen, Yiğit and Şendur, Kürşat and Mengüç, Pınar M. and Öztürk, Hande and Acar, Funda Yağcı and Koşar, Ali (2012) "Heat transfer enhancement with actuation of magnetic nanoparticles suspended in a base fluid", Journal of Applied Physics, Vol.112, No.6 (SCI)
    Kaplan Türköz, Burcu and Zakharyuta, Anastasia and Şeşen, Muhsincan and Taralp, Alpay and Koşar, Ali (2012) "Reversibility of functional and structural changes of lysozyme subjected to hydrodynamic flow", Journal of Nanotechnology in Engineering and Medicine, Vol.3, No.1, 011006-011012 (SCI)
    Özdemir, Mehmed Rafet and Kaya, Alihan and Koşar, Ali (2011) "Low mass quality flow boiling in microtubes at high mass fluxes", Journal of Thermal Science and Engineering Applications, Vol.3, No.4 (SCI)
    Koşar, Ali (2011) "Exergo-economic analysis of micro pin fin heat sinks", International Journal of Energy Research, Vol.35, No.11, 1004-1013 (SCI)
    Koşar, Ali and Schneider, Brandon and Peles, Yoav (2011) "Hydrodynamic characteristics of crossflow over MEMS-based pillars", Journal of Fluids Engineering, Vol.133, No.8 (SCI)
    Koz, Mustafa and Özdemir, Mehmed Rafet and Koşar, Ali (2011) "Parametric study on the effect of end walls on heat transfer and fluid flow across a micro pin-fin", International Journal of Thermal Sciences, Vol.50, No.6, 1073-1084 (SCI)
    Şendur, Kürşat and Koşar, Ali and Mengüç, M. P. (2011) "Localized radiative energy transfer from a plasmonic bow-tie nano-antenna to a magnetic thin film stack", Applied Physics A - Materials Science & Processing, Vol.103, No.3, 703-707 (SCI)
    Koşar, Ali and Şeşen, Muhsincan and Oral, Özlem and İtah, Zeynep and Gözüaçık, Devrim (2011) "Bubbly cavitating flow generation and investigation of its erosional nature for biomedical applications", IEEE Transactions on Biomedical Engineering, Vol.58, No.5, 1337-1346 (SCI)
    Koşar, Ali and Özdemir, Mehmed Rafet and Keskinöz, Mehmet (2010) "Pressure drop across micro-pin heat sinks under unstable boiling conditions", International Journal of Thermal Sciences, Vol.49, No.7, 1253-1263 (SCI)
    Şeşen, Muhsincan and Khudhayer, Wisam and Karabacak, Tansel and Koşar, Ali (2010) "Compact nanostructure integrated pool boiler for microscale cooling applications", Micro & Nano Letters, Vol.5, No.4, 203-206 (SCI)
    Koşar, Ali (2010) "Exergy analysis of second-generation micro heat sinks under single-phase and flow boiling conditions", International Journal of Exergy, Vol.7, No.2, 147-163 (SCI)
    Koşar, Ali (2010) "Effect of substrate thickness and material on heat transfer in microchannel heat sinks", International Journal of Thermal Sciences, Vol.49, No.4, 635-642 (SCI)
    Koşar, Ali (2009) "A model to predict saturated critical heat flux in minichannels and microchannels", International Journal of Thermal Sciences, Vol.48, No.2, 261-270 (SCI)
    Koşar, Ali (2008) "Two-phase pressure drop across a hydrofoil-based micro-pin device using r-123", Experimental Thermal and Fluid Science, Vol.32, No.6, 1213-1221 (SCI)
    Koşar, Ali and Yoav, Peles (2007) "TCPT-2006-096.R2: micro scale pin fin heat sinks - parametric performance evaluation study ", IEEE Transactions on Components and Packaging Technologies, Vol.30, No.4, 855-865 (SCI)
  • Book Section / Chapter
    Alcan, Gökhan and Ghorbani, Morteza and Koşar, Ali and Ünel, Mustafa, "Single droplet tracking in jet flow", Image Analysis and Recognition: 13th International Conference, ICIAR 2016, in Memory of Mohamed Kamel, Póvoa de Varzim, Portugal, July 13-15, 2016, Proceedings, Campilho, Aurello and Karray, Fakhri (eds.), Switzerland: Springer International Publishing, July 2016, 415-422
    Arık, Mehmet and Koşar, Ali and Bostancı, Hüseyin and Bar-Cohen, Avram, "Pool boiling critical heat flux in dielectric liquids and nanofluids", Advances in Heat Transfer, Bar-Cohen, Avram and Cho, Young I. (eds.), US: Elsevier, December 2011, 1-88
  • Papers in Conference Proceedings
    Karimzadehkhouei, Mehrdad and Khalili Sadaghiani, Abdolali and Şendur, Kürşat and Mengüç, M. Pınar and Koşar, Ali, "Experimental study on heat transfer of multi-walled carbon nanotubes/water nanofluids in horizontal microtubes", 5th ASME International Conference on Micro/Nanoscale Heat and Mass Transfer, ASME (American Society of Mechanical Engineers), January 2016
    Khalili Sadaghiani, Abdolali and Şişman, Yağmur and Özaydın İnce, Gözde and Koşar, Ali, "An experimental study on flow boiling characteristics of phema nano-coated surfaces in a microchannel", 5th ASME International Conference on Micro/Nanoscale Heat and Mass Transfer (MNHMT2016), ASME (American Society of Mechanical Engineers), January 2016
    Şişman, Yağmur and Khalili Sadaghiani, Abdolali and Khedir, Ramazan and Karabacak, Tansel and Koşar, Ali, "Nucleate boiling heat transfer enhancement using nanostructured al-alloy plates", 5th ASME International Conference on Micro/Nanoscale Heat and Mass Transfer, ASME (American Society of Mechanical Engineers), January 2016
    Alcan, Gökhan and Ghorbani, Morteza and Koşar, Ali and Ünel, Mustafa, "Vision based cone angle estimation of bubbly cavitating flow and analysis of scattered bubbles using micro imaging techniques", 41st Annual Conference of the IEEE Industrial Electronics Society (IECON 2015), USA: IEEE Industrial Electronics Society, November 2015
    Üzüşen, Doğan and Oral, Özlem and Ekici, Sinan and Ünel, Mustafa and Gözüaçık, Devrim and Koşar, Ali, "Assessment of probe-to-specimen distance effect in kidney stone treatment with hydrodynamic cavitation", 4th European Conference on Microfluidics (Microfluidics 2014), Limerick, Ireland: University of Limerick, December 2014
    Khalili Sadaghiani, Abdolali and Koşar, Ali, "Numerical investigation of slip flow across micro/nano pin fins", ASME 2014 International Mechanical Engineering Congress & Exposition, New York, NY: ASME (American Society of Mechanical Engineers), November 2014
    Çıkım, Taha Abdullah and Oral, Özlem and Acar, Havva Funda Yagci and Gözüaçık, Devrim and Koşar, Ali, "Effect of varying magnetic fields on targeted gene delivery of nucleic acid-based molecules", 4th Micro and Nano Flows Conference (MNF2014), London, UK: University of City College London, October 2014
    Shojaeian, Mostafa and Zamanian, Rahim and Koşar, Ali, "The effect of radiative heat transfer on slip flow through parallel-plate microchannels", 15th International Heat Transfer Conference, Kyoto, Japan: International Heat Transfer Conference Organization, September 2014
    Karimzadehkhouei, Mehrdad and Yalçın, Sinan Eren and Şendur, Kürşat and Mengüç, Pınar and Koşar, Ali, "Heat transfer characteristics of nanofluids in horizontal microtubes", 5th International Conference on Heat Transfer and Fluid Flow in Microscale, New York, NY, USA: Engineering Conferences International, May 2014
    Koşar, Ali and Çıkım, Taha Abdullah and Özaydın İnce, Gözde and Armağan, Efe, "Flow boiling enhancement in microtubes with pHEMA coatings", ASME International Mechanical Engineering Congress and Exposition, New York, NY: ASME (American Society of Mechanical Engineers), November 2013
    Shojaeian, Mostafa and Koşar, Ali, "Numerical investigation of fully developed fluid flow and heat transfer in double-trapezoidal microchannels", ASME 2013 International Mechanical Engineering Congress & Exposition, New York, NY, USA: ASME (American Society of American Engineers), November 2013
    Demir, Ebru and Şeşen, Muhsincan and İzci, Türker and Khudhayer, Wisam and Karabacak, Tansel and Koşar, Ali, "Subcooled flow boiling over nanostructured plate integrated into a rectangular channel", 11th International Conference on Nanochannels, Microchannels, and Minichannels (ICNMM2013), New York, NY: ASME (American Society of Mechanical Engineers), July 2013
    Kurtoğlu, Evrim and Kaya, Alihan and Gözüaçık, Devrim and Acar, Funda Yağcı and Koşar, Ali, "Heat transfer enhancement with iron oxide nanoparticle based ferrofluids", 11th International Conference on Nanochannels, Microchannels, and Minichannels (ICNMM2013), New York, NY: ASME (American Society of Mechanical Engineers), July 2013
    Özbey, Arzu and Karimzadehkhouei, Mehrdad and Kurtoğlu, Evrim and Koşar, Ali, "Simulation of magnetic actuation of ferrofluids in microtubes", 11th International Conference on Nanochannels, Microchannels, and Minichannels (ICNMM2013), New York, NY: ASME (American Society of Mechanical Engineers), July 2013
    Çıkım, Taha Abdullah and Koşar, Ali and Gözüaçık, Devrim and Tatar, Oğuz, "Power reclamation efficiency of a miniature energy harvesting device using internal fluid flows", ASME International Mechanical Engineering Congress and Exposition, New York, NY: ASME (American Society of Mechanical Engineers), November 2012
    Demir, Ebru and Koşar, Ali and İzci, Türker and Perk, Osman Yavuz and Şeşen, Muhsincan and Khudhayer, Wisam and Karabacak, Tansel, "Multiphase submerged jet impingement cooling utilizing nanostructured plates", 10th International Conference on Nanochannels, Microchannels, and Minichannels (ICNMM2012), New York, NY: ASME (American Society of Mechanical Engineers), August 2012, 49-56
    Kurtoğlu, Evrim and Kaya, Alihan and Acar, Funda Yağcı and Koşar, Ali, "An experimental study on heat transfer performance of iron oxide based ferrofluids", 10th International Conference on Nanochannels, Microchannels, and Minichannels (ICNMM2012), New York, NY: ASME (American Society of Mechanical Engineers), August 2012, 311-316
    Çıkım, Taha Abdullah and Kaya, Alihan and Gözüaçık, Devrim and Koşar, Ali, "Power reclamation efficiency of a miniature energy harvesting device using internal fluid flows", Global Conference on Global Warming 2012, Berlin: Springer, July 2012
    İzci, Türker and Demir, Ebru and Alagöz, Arif Sinan and Karabacak, Tansel and Koşar, Ali, "A compact pool boiler utilizing nanostructured plates for microscale cooling applications", 8th ECI International Conference on Boiling and Condensation Heat Transfer (ECI-8TH), New York, NY: ECI (Engineering Conferences International), July 2012
    Bilgin, Alp and Kurtoğlu, Evrim and Erk, Hadi Çağdaş and Şeşen, Muhsincan and Acar, Havva Funda Yağcı and Koşar, Ali, "Magnetic nanoparticle based nanofluid actuation with dynamic magnetic fields", 9th International Conference on Nanochannels, Microchannels and Minichannels (ICNMM 2011), New York, NY, USA: ASME (American Society of Mechanical Engineers) 2012, 45-51
    Koşar, Ali, "Flow boiling in microscale at high flowrates", 9th International Conference on Nanochannels, Microchannels and Minichannels (ICNMM 2011), New York, NY, USA: ASME (American Society of Mechanical Engineers) 2012, 569-582
    Koz, Mustafa and Koşar, Ali, "The effect of micro pin-fin shape on the heat transfer performance of micro pin-fin heat sinks", ASME International Mechanical Engineering Congress and Exposition (IMECE 2010), New York, NY, USA: ASME (American Society of Mechanical Engineers) 2012, 387-393
    Şeşen, Muhsincan and Koşar, Ali and Demir, Ebru and Kurtoğlu, Evrim and Kaplan, Nazlı and Erk, Hadi Çağdaş and Khudhayer, Wisam and Karabacak, Tansel, "Submerged jet impingement cooling of a nanostructured plate", ASME International Mechanical Engineering Congress and Exposition (IMECE), New York, NY, USA: ASME (American Society of Mechanical Engineers) 2012, 1553-1558
    Kaya, Alihan and Özdemir, Mehmed Rafet and Keskinöz, Mehmet and Koşar, Ali, "Boiling instabilities in microtubes", 3rd Micro and Nanoflows Conference (MNF 2011), Uxbridge: Brunel University, September 2011
    Bilgin, Alp and Kurtoğlu, Evrim and Erk, Hadi Çağdaş and Şeşen, Muhsincan and Koşar, Ali and Acar, Havva Funda Yağcı, "A novel magnetomechanical pump to actuate ferrofluids in minichannels", Thermal and Materials Nanoscience and Nanotechnology (TMNN-2011), Ankara, Turkey: ICHMT (International Center for Heat and Mass Transfer), July 2011
    Koz, Mustafa and Koşar, Ali, "Parameter optimization of a micro heat sink with circular pin-fins", 8th International Conference on Nanochannels, Microchannels and Minichannels - 3rd Joint US-European Fluids Engineering Summer Meeting and 8th International Conference on Microchannels and Minichannels (FEDSM2010-ICNMM2010), New York, USA: ASME (American Society of Mechanical Engineers) 2011, 531-539
    Özdemir, Mehmed Rafet and Koşar, Ali, "Experimental study on single phase flow in microchannels at high mass flow rates", 8th International Conference on Nanochannels, Microchannels and Minichannels - 3rd Joint US-European Fluids Engineering Summer Meeting and 8th International Conference on Microchannels and Minichannels (FEDSM2010-ICNMM2010), New York, USA: ASME (American Society of Mechanical Engineers) 2011, 1555-1562
    Şeşen, Muhsincan and Bahçeci, Beste and Koşar, Ali and Ulun, Soner and Su, Çağlar Hüseyin and Acar, Havva Funda Yağcı, "Magnetic actuation of nanofluids with ferromagnetic particles", 8th International Conference on Nanochannels, Microchannels and Minichannels - 3rd Joint US-European Fluids Engineering Summer Meeting and 8th International Conference on Microchannels and Minichannels (FEDSM2010-ICNMM2010), New York, USA: ASME (American Society of Mechanical Engineers) 2011, 1377-1381
    Özdemir, Mehmed Rafet and Koşar, Ali, "Boiling heat transfer in microtubes at high flow rates", 14th International Heat Transfer Conference (IHTC-14), New York, NY, USA: ASME (American Society of Mechanical Engineers), August 2010, 691-696
    Stykes, David M. and Cole, Gregory S. and Staples, Daniel A. and Koşar, Ali and Bergles, Arthur E., "Critical heat flux in cooling channels for flow-field probes", 14th International Heat Transfer Conference (IHTC-14), New York, NY, USA: ASME (American Society of Mechanical Engineers), August 2010, 703-714
    Şendur, Kürşat and Koşar, Ali and Mengüç, Pınar, "Localized radiative energy transfer from a plasmonic bow-tie nanoantenna to a magnetic thin film stack", Zouhdi, Said (ed.), International Conference on Metamaterials, Photonic crystals and Plasmonics (META'10), Paris, France: META'10, March 2010, 582-586
    Kaplan Türköz, Burcu and Şeşen, Muhsincan and Taralp, Alpay and Koşar, Ali, "Effect of hydrodynamic bubbly cavitation on lysozyme structure", 6. Nanobilim ve Nanoteknoloji Konferansı (NanoTR-VI), İzmir: İzmir Yüksek Teknoloji Enstitüsü 2010
    Özdemir, Mehmed Rafet and Koşar, Ali and Demir, Orçun and Özenel, Cemre and Bahçıvan, Oğuzhan, "Thermal-hydraulic, exergy and exergy-economic analysis of micro heat sinks at high flow rates", 10th ASME Biennial Conference on Engineering Systems Design and Analysis, New York, NY, USA: ASME (American Society of Mechanical Engineers) 2010, 703-710
    Şeşen, Muhsincan and Akkartal, Cem Baha and Khudhayer, Wisam and Karabacak, Tansel and Koşar, Ali, "A compact nanostructure integrated pool boiler for microscale cooling applications", ASME International Mechanical Engineering Congress and Exposition (IMECE 2009), New York, USA: ASME (American Society of Mechanical Engineers) 2010, 663-667
    Şeşen, Muhsincan and Koşar, Berkay Arda and Koşar, Ali and Khudhayer, Wisam and Ahıshalıoğlu, Berk Ahmet and Karabacak, Tansel, "A compact nanostructure enhanced heat sink with flow in a rectangular channel", 10th ASME Biennial Conference on Engineering Systems Design and Analysis, New York, NY, USA: ASME (American Society of Mechanical Engineers) 2010, 743-748
    Koşar, Ali and Akbaş, Akın and Şahin, Ö. and Kubilay, Aytaç and Oral, Özlem and Gözüaçık, Devrim, "Bubbly cavitating flow generation and investigation of its erosional nature for biomedical applications", 2nd Micro and Nano Flows Conference, West London, UK: MNF2009, September 2009
    Koşar, Ali, "Thermo-exergetic analysis of micro pin fin heat sinks", Global Conference on Global Warming 2009, Istanbul: ASHRAE, July 2009
    Koşar, Ali and Özseçen, Yalgın Muzaffer, "Exergy analysis of second generation micro heat sinks under flow boiling conditions", 3rd International Conference on Energy Sustainability (ES2009), New York, USA: ASME (American Society of Mechanical Engineers), July 2009, 843-848
    Koşar, Ali and Peles, Yoav and Bergles, Arthur E. and Cole, Gregory S., "Experimental investigation of critical heat flux in microchannels for flow-field probes", 7th International Conference on Nanochannels, Microchannels and Minichannels, New York, USA: ASME (American Society of Mechanical Engineers), June 2009, 81-90
    Koşar, Ali and Özdemir, Mehmed Rafet and Keskinöz, Mehmet, "Pressure drop across micro-pin heat sinks under boiling conditions", ECI International Conference on Boiling Heat Transfer, Florianopolis, Brazil: ECI, May 2009
    Koşar, Ali and Schneider, Brandon R. and Yoav, Peles, "Hydrodynamic characteristics of crossflow over mems-based pillars", ASME International Mechanical Engineering Congress and Exposition, New York, USA: ASME (American Society of Mechanical Engineers) 2009, 1011-1012
    Özdemir, Mehmed Rafet and Koz, Mustafa and Koşar, Ali, "Parametric study on the effect of endwalls on fluid flow in micro pin-fins", Bulucea, C. A. and Mladenov, V. and Pop, E. and Leba, M. and Mastorakis, N. (eds.), 5th WSEAS International Conference on Applied and Theoretical Mechanics, Athens, Greece: WSEAS (World Scientific and Engineering Academy and Society) 2009, 54-59
    Koz, Mustafa and Koşar, Ali, "Parametric study on the effect of endwalls on heat transfer and fluid flow in micro pin-fin heat sinks", ECI International Conference on Heat Transfer and Fluid Flow in Microscale, New York, NY: ECI (Engineering Conferences International), September 2008
    Koşar, Ali, "Exergy analysis of second generation micro heat sinks", Global Conference on Global Warming 2008 (GCGW-08), Istanbul, Turkey: gcgw.org, July 2008
  • Before SU Publications

    JOURNAL PUBLICATIONS  1. Schneider, B.R., Koşar, A., and Peles, Y., “Hydrodynamic Cavitation and Boiling in Refrigerant (R-123) Flow inside Microchannels,” International Journal of Heat and Mass Transfer, 50(13-14), pp. 2838-2854, 2007. 2. Koşar, A. and Peles, Y., “Boiling Heat Transfer in a Hydrofoil-based Micro Pin Fin Heat Sink,” International Journal of Heat and Mass Transfer, 50(5-6), pp. 1018-1034, 2007. 3. Koşar, A. and Peles, Y., “Critical Heat Flux of R-123 in Silicon-based Microchannels,” Journal of Heat Transfer, 129(7), pp. 844-851, 2007. 4. Koşar, A. and Peles, Y., “Thermal-Hydraulic Performance of MEMS-Based Pin Fin Heat Sink,” Journal of Heat Transfer, 12 (2), pp. 121-131, 2006. 5. Koşar, A., Kuo C.-J., and Peles, Y., “Suppression of Boiling Flow Oscillations in Parallel Microchannels by Inlet Restrictors,” Journal of Heat Transfer, 128(3), pp. 251-260, 2006. 6. Jensen, M.K., Peles, Y., Srikar, V., Koşar, A., and Kuo, C.-J., “Methods and Preliminary Results on Enhanced Boiling Heat Transfer in Second Generation Microchannels,” Microfluidics and Nanofluidics, 2(5), pp. 387-397, 2006. 7. Koşar, A. and Peles, Y., “Convective Flow of a Refrigerant (R-123) across a Bank of Micro Pin Fins,” International Journal of Heat and Mass Transfer, 49(17-18), pp. 3142-3155, 2006.