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Pavlos P. Vlachos

Pavlos P. Vlachos

Professor of Mechanical and Biomedical Engineering
pvlachos@purdue.edu


Dr. Vlachos is professor in the School of Mechanical Engineering at Purdue. Dr. Vlachos received his Diploma in Mechanical Engineering from the National Technical University of Athens (1995) and his MS (1998) and PhD (2000) in Engineering Science and Mechanics from Virginia Tech. He joined the department of Mechanical Engineering at Virginia Tech as assistant professor (2003) and he was promoted to associate (2007), and full professor (2011). In August 2013 he joined the School of Mechanical Engineering at Purdue, and he currently serves as President’s Fellow for Research Development. He is also associate editor for the International Journal of Multi-Phase Flows. His research focuses on experimental fluid mechanics specializing on flow diagnostics using optical or other non-intrusive methods. He has worked on wakes, boundary layers, aerothermodynamics, and fluid structure interaction. Currently his main interests are in biofluids, arterial flows, heart failure, medical imaging, drag delivery; and tissue and tumor micro-environments.

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Current Lab Members
Brett Albert Meyers |Faezeh Masoomi |Javad Eshraghi |Jiacheng Zhang |Luis Sanjuan |Milad Tavakolian |Nishanth Surianarayanan |Pranav Mohan |Reza Babakhani Galangashi |Rozhin Derakhshandeh |Rudra Sethu Viji |Ruhi Sharmin |Sayantan Bhattacharya |Shailee Mitra |Sourav Das |
Former Lab Members
Adib Ahmadzadegan |Brian Jun |Lalit K. Rajendran |Melissa Brindise |Sreyashi Chakraborty |Zhongwang Dou |

Current Lab Members

Brett Albert Meyers

Brett Albert Meyers

Post-doctoral researcher
brett.albert.meyers@gmail.com


Brett A. Meyers is a Post-doctoral researcher in the School of Mechanical Engineering at Purdue University. His research focuses on non-invasive measurement of blood flow within the heart, with the goal of developing clinically adoptable, physics-based measurement techniques for determining heart function from medical imaging. With over 10 years of industrial and academic research experience, including a BSME from Drexel, and MSME from Virginia Tech and work related experience at Agilent Technologies and Johnson & Johnson, Brett has more than 10 published/in-process manuscripts, 4 provisional/utility patents, numerous conference abstracts/posters and appears in several media features.

Faezeh Masoomi

Faezeh Masoomi

PhD Student
fmasoomi@purdue.edu


Faezeh Masoomi is a Ph.D. student in the School of Mechanical Engineering at Purdue University. Faezeh received her BSc in Aerospace Engineering from the Sharif University of Technology and her Master of Science in mechanical engineering from Michigan State University. Her research is focused on studying the aerodynamic of gliding snakes using flow visualization methods (PIV and PTV).

Javad Eshraghi

Javad Eshraghi

Postdoctoral researcher
jeshragh@purdue.edu


Javad Eshraghi is a postdoctoral research associate at Purdue University and a member of the American Physical Society. Javad received his Ph.D. in Mechanical Engineering from Purdue University. He is a reviewer for the International Journal of Multi-Phase Flows and Energy and Building. As a fluid dynamicist, he has worked on multiphase flows, air-liquid interfaces, measurement science, image and signal processing, and particle image velocimetry (PIV), and he now focuses on the analysis of cavitation phenomena in biological environments using both experimental and theoretical approaches, and methods and analysis of multiphase flows and interfacial phenomena in medical devices.

Jiacheng Zhang

Jiacheng Zhang

Postdoctoral Researcher
zhan1589@purdue.edu


Dr. Zhang is a postdoctoral researcher in the School of Mechanical Engineering, Purdue University. He completed his PhD (2022) work in the Vlachos Research Group, Purdue University. He received his Bachelor of Science in Mechanical Engineering from Shanghai Jiao Tong University (2014) and his Master of Science in Mechanical Engineering from Purdue University (2015). His research interests include the data augmentation and enhancement for flow measurements in clinical and engineering applications. He has more than 10 journal publications and multiple conference presentations in the fields of fluid mechanics, biomedical engineering, and combustion modeling.

Luis Sanjuan

Luis Sanjuan

PhD Student
lsanjuan@purdue.edu


Luis is a PhD student in the Weldon School of Biomedical Engineering at Purdue University. He received his Bachelor of Science in Chemical Engineering at the University of South Florida in Tampa, FL (2021).

Milad Tavakolian

Milad Tavakolian

PhD Student
mtavako@purdue.edu


Milad Tavakolian is a Ph.D. student in the School of Mechanical Engineering at Purdue University. Milad received his BSc (2016) in Mechanical Engineering from the University of Tehran and MSc (2019) in Biomedical/Biomechanics Engineering from Amirkabir University of Technology. He spent one semester (2021) at University of Denver. He joined Aether lab in the Department of Mechanical Engineering at Purdue University as a graduate research assistant in Spring 2022. He worked on computational study of cardiovascular hemodynamics from Echo images during his master’s degree. His research interests include cardiovascular flows, and experimental fluid mechanics.

Nishanth Surianarayanan

Nishanth Surianarayanan

PhD Student
nsuriana@purdue.edu


Nishanth is a PhD student in the Department of Mechanical Engineering at Purdue University. He received his bachelor’s degree in Mechanical Engineering from Anna University and master’s degree in Mechanical Engineering from the University of California, San Diego (UCSD). During his time at UCSD, he worked on experimental and computational study of hemodynamics in an abdominal aortic aneurysm. His research interests include experimental fluid mechanics in microfluidics, multiphase flows, and cardiovascular flows.

Pranav Mohan

Pranav Mohan

MS Student
mohanp@purdue.edu


Pranav Mohan is a MS student working on rising bubbles in stratified flows and numerical simulation of vortical cavitation. He received his BS in Mechanical Engineering from the University of Oklahoma.

Reza Babakhani Galangashi

Reza Babakhani Galangashi

PhD Student
rbabakha@purdue.edu


Reza Babakhani Galangashi is a Ph.D. student in Mechanical Engineering at Purdue University. Reza received his BSc (2017) from Persian Gulf University in Ship Architecture and MSc (2019) in Mechanical Engineering from Sharif University of Technology. He spent one year (2020) at UMass University – Amherst as Research Assistant. He joined Aether lab in the Department of Mechanical Engineering at Purdue University as a research assistant in Spring 2021. He worked on European Eel and Pond Turtle locomotion experimentally and Numerically during his master’s degree. Recently, he was working on cell migration around stent struts, vibration- and Lymphedema-like condition-induced permeability of endothelial cells.

Rozhin Derakhshandeh

Rozhin Derakhshandeh

PhD Student
rderakhs@purdue.edu


Rozhin Derakhshandeh is a PhD student in the School of Mechanical Engineering at Purdue University. She received her B.Sc. in Mechanical Engineering from the University of Tehran and has recently joined Purdue University as a research assistant in Fall 2019. Her research focuses on flow dynamics analysis in cardiovascular systems using particle image velocimetry (PIV) and ultrasound imaging, as well as clinical image processing, in order to develop physics-based techniques for clinical diagnosis. She also has research interests in experimental fluid dynamics, biofluid dynamics, particle image velocimetry, micro/nano-particle image velocimetry, signal processing, image processing, and clinical imaging.

Rudra Sethu Viji

Rudra Sethu Viji

PhD Student
rsethuvi@purdue.edu


Rudra Sethu Viji is a Ph.D. student in the School of Mechanical Engineering at Purdue. She received her bachelor’s degree in Aerospace Engineering from the Indian Institute of Technology Madras (IITM). Her research focuses on developing machine learning-based methodologies to process non-intrusive flow measurements.
Ruhi Sharmin

Ruhi Sharmin

PhD Student
rsharmin@purdue.edu


Ruhi Sharmin is a PhD student at the Weldon School of Biomedical Engineering at Purdue University. She received her B.Sc. degree from the department of Electrical & Electronic Engineering
of Bangladesh University of Engineering & Technology (BUET). Her research focuses on the application of signal processing and machine learning techniques on ECG data analysis.
Sayantan Bhattacharya

Sayantan Bhattacharya

Postdoctoral Research Associate
bhattac3@purdue.edu


Dr. Bhattacharya is a postdoctoral researcher in the school of Mechanical Engineering, Purdue University. He completed his PhD (2019) work in the Vlachos Research Group, Purdue University and received his M.E. (2011) from Indian Institute of Science and his B.E. (2009) from Jadavpur University. His research focuses on the development and uncertainty quantification of optical non-invasive flow measurement techniques (PIV and PTV). He received the Ward A. Lambert Graduate Teaching Fellowship in 2017 and was awarded the Estus H. and Vashti L. Magoon Award for Excellence in Teaching in 2018.

Shailee Mitra

Shailee Mitra

PhD Student


Shailee Mitra is a PhD student in the School of Mechanical Engineering at Purdue University. Shailee received her Bachelor of Science(B.Sc.)in Mechanical Engineering from Bangladesh University of Engineering and Technology (BUET) in the February 2021 and has recently joined Purdue University as a Research Assistant in Fall 2021. Her research interest includes heart failure, cancer research.

Sourav Das

Sourav Das

PhD Student
das139@purdue.edu


Sourav Das is a Ph.D. student in the School of Mechanical Engineering at Purdue University. Previously, he received his Bachelor of Science in Mechanical Engineering from Bangladesh University of Engineering and Technology (2017) and his Master of Science in Mechanical Engineering from The Ohio State University (2020). He is working as a research assistant focusing on full-field strain measurement of soft tissue for needle insertion using Digital Image Correlation (DIC) analysis and automated tissue Feature identification from histology images.

Former Lab Members

Adib Ahmadzadegan

Adib Ahmadzadegan

New position: R&D Measurement Engineer at Nutcracker Therapeutics
aahmadza@purdue.edu


Adib Ahmadzadegan is a Ph.D. candidate in Mechanical Engineering department at Purdue University. He received his B.Sc. in Mechanical Engineering from Amrikabir University of Technology. He received his M.Sc. in Mechanical Engineering from Purdue University. His research interests are in microscale flow measurements, microscopy techniques, diffusion measurements, and signal and image processing. He has developed image processing algorithms that enable automated analysis of microscopy images to quantify random displacements, diffusion coefficient, and micro-rheological properties of the environment. He has expertise in micro/nano-particle image velocimetry, particle tracking velocimetry, Fluorescent Recovery After Photobleaching (FRAP), Fluorescent Correlation Spectroscopy (FCS), bacteria and cell culture methods, microfabrication and soft lithography, rheology measurements, code and GUI developments.

Brian Jun

Brian Jun

New position: Post-Doc at Los Alamos National Laboratory
bjun@purdue.edu


Brian Jun is a PhD candidate at Purdue University School of Mechanical Engineering with a crossover research focus in biomedical engineering. Through various academic and industry sponsored projects, the focus of his research has been on developing and applying flow velocimetry and cell tracking techniques to measure molecular transport and cellular dynamics within the tissue microenvironment. His research interests include the tumor microenvironment, drug delivery, microfluidics, and micro/nano-particle image velocimetry. He received his Master of Science in Bioengineering from Georgia Tech, and Bachelor of Science in Mechanical Engineering from Purdue University.

Lalit K. Rajendran

Lalit K. Rajendran

New position: Digital Signal Processing (DSP) Characterization Engineer at Aeva Inc.
lrajendr@purdue.edu


Lalit Rajendran was a PhD candidate in the School of Aeronautics and Astronautics at Purdue University, researching image-based fluid density diagnostics using Background Oriented Schlieren (BOS). He has developed new tools and methodologies that have yielded improvements in the accuracy, precision and spatial resolution of the method compared to the state of the art. In addition, he developed the first uncertainty quantification methodology for density estimation from BOS.  He received his Master’s degree in Aeronautics and Astronautics also from Purdue with work focused on oil-film-based skin friction measurements on swept wings and holds a Bachelor’s degree in Aerospace Engineering from the Indian Institute of Technology (IIT), Kharagpur.

Melissa Brindise

Melissa Brindise

New position: Assistant Professor at Penn State (Dept. of Mechanical Engg.)


Melissa Brindise was a post-doctoral research associate in the School of Mechanical Engineering at Purdue University, working with Professor Pavlos Vlachos. She received her Bachelor of Science degree in Aeronautical and Astronautical Engineering (2013) and her PhD in Mechanical Engineering (2019), both from Purdue University. Her research has focused on experimental and clinically-imaged neurovascular and cardiovascular flow analysis and on methods development. Her research interests include fluid dynamics associated with cerebral aneurysms, traumatic brain injury, and heart disease, as well as transition to turbulence in unsteady flows. She has also worked on developing image and signal processing tools for data denoising, time-frequency analysis, unsupervised segmentation, and autonomous detection of arrythmias. She received the American Heart Association Pre-Doctoral Fellowship in 2017 for her work on cerebral aneurysms. In addition, she earned the Lambert Teaching Fellowship (2017) and Magoon Award for Excellence in Teaching (2018).

Sreyashi Chakraborty

Sreyashi Chakraborty


chakrab3@purdue.edu


Sreyashi Chakraborty was a PhD candidate working with Prof. Pavlos Vlachos in the Mechanical Engineering (ME) Department, Purdue University. She received her BS from the ME department, Jadavpur University, India. She received her M.Tech degree from ME department, IIT Kanpur, India and her MS degree from the ME department, Stanford University, USA. Her research interests include micro-PIV imaging, analyzing flow dynamics in cardiovascular systems in teleost species, and physics-based techniques for clinical echocardiography.

Zhongwang Dou

Zhongwang Dou

New position: Assistant Professor at Northern Arizona University (Dept. of Mechanical Engg.)
dou14@purdue.edu


Dr. Dou was a postdoctoral research associate in Vlachos Research Group at the School of Mechanical Engineering at Purdue University. He received his Ph.D. degree in Mechanical Engineering from University at Buffalo in 2017 and B.E. degree from University of Science and Technology of China in 2012.  Before joining Vlachos group, he worked as a postdoc at the Department of Mechanical Engineering at Johns Hopkins University and a research scientist at the Canon Strokes & Vascular Research Center. Dr. Dou’s research focuses on experimental fluid mechanics and measurement method development, with applications on particle-laden flows, fluid-structure interactions, biological flows, and biomedical devices.