The Hormozi Laboratory

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Group


Sarah Hormozi


Associate Professor
Robert Frederick Smith School of Chemical and Biomedical Engineering
Editorial boards of Physical Rev Fluids, Journals of Non-Newtonian Fluid Mechanics, The American Institute of Chemical Engineers and Physics of Fluids.
Faculty Fellow, Cornell Atkinson Center for Sustainability 
Faculty Fellow

Sarah Hormozi received her M.Sc. in Mathematics and her Ph.D. in Mechanical Engineering from the University of British Columbia in 2011. She then completed the most prestigious Canadian postdoctoral fellowship award, sponsored by the Natural Sciences and Engineering Research Council of Canada (NSERC). Currently, she is an Associate Professor of Chemical and Biomolecular Engineering and a graduate field faculty of Mechanical and Aerospace Engineering at Cornell University.
Before coming to Cornell, Hormozi was an associate professor of Mechanical Engineering at Ohio University. The underlying foundation of her work at Ohio was an effort to better integrate the separate fields of colloidal science and non-Brownian suspensions. In spite of their ubiquity, the mechanics of these complex fluids are not well understood. Hormozi’s research has been recognized by a number of awards, including the National Science Foundation CAREER award and the ACS Petroleum Research Fund Doctoral New Investigator Award. Hormozi also serves on the editorial boards of Physical Review Fluids, Journals of Non-Newtonian Fluid Mechanics, The American Institute of Chemical Engineers, and Physics of Fluids. Hormozi is also a Faculty Fellow at Cornell Atkinson Center for Sustainability and a Faculty Fellow in the team of Professor Stephanie R. Thomas,  Faculty in Residence, Low Rises 6&7 Community. Hormozi’s goal is to use science to inspire and empower every individual student to become engaged, confident, and connected leaders in our communities and society.

Postdoctoral Researcher

Dr. Enzo D’Ambrosio-Azzara


Enzo is a physics experimenter who graduated in September 2020. His thesis deals with suspension imaging to measure particle stresses in non-Brownian suspensions in a Couette flow. His Ph.D. work has been rewarded a French thesis prize in rheology and he is an author of two articles published in Journal of Fluids Mechanics (2021) and Physical Review Fluids (2018), respectively.  He has also been involved in the European project PowderReg studying the rheology of cohesive powder before joining Cornell as a postdoctoral researcher.

Publications:
Viscous resuspension of non-Brownian particles: determination of the concentration profiles and particle normal stresses, Enzo d’Ambrosio, Frédéric Blanc, Elisabeth Lemaire, JFM, vol. 911 (2021)
Universal scaling law in frictional non-Brownian suspensions, Frédéric Blanc, Enzo D’Ambrosio, Laurent Lobry, François Peters, and Elisabeth Lemaire, Phys. Rev. Fluids 3, 114303 (2018)

Lab Manager

Dallas Roberts

Dallas has a bachelor’s degree in Mechanical Engineering from Ohio University. While performing his undergraduate studies, Dallas was involved with the Hormozi Lab group researching the development of non-Brownian suspensions in channel flows. During the fall and summer of 2021, Dallas worked as the group’s Lab Manager and will continue his research with the group as a Ph.D. student.

Ph.D. Researchers

Sabarish Narayanan


Sabarish has a Bachelor’s degree in Mechanical Engineering and an M.S. in Engineering Mechanics from JNCASR, Bangalore, India. His MS thesis was on transport in low Re hydrodynamics and he has a background in theoretical fluid dynamics and microhydrodynamics. At Cornell, Sabarish will be studying the swimming of flagellated microorganisms in elastoviscoplastic (EVP) fluids like mucous with Prof. Koch and Prof. Hormozi.

Nishanth Murugan


Nishanth has a bachelor’s degree in Mechanical Engineering from Shiv Nadar University and an M.S. in Applied Mechanics from IIT Madras, India. For his Master’s thesis, he worked on the dynamics and transport in confined living fluids due to the effects of active stresses, auto-chemotaxis, and convective transport. At Cornell, Nishanth will be working on understanding the inertial shear-thickening seen in dense suspensions of non-Brownian particles in viscous fluids.

Publications:
Murugan, N., & Roy, A. (2022). Instability of an autochemotactic active suspension. Journal of Fluid Mechanics, 934, A21. doi:10.1017/jfm.2021.1155

Publications:
Rashedi, A., Sarabian, M., Firouznia, M., Roberts, D., Ovarlez, G. & Hormozi, S. (2020) Shear-induced migration and axial development of particles in channel flows of non-Brownian suspensions. AICHE, special issue: Transport Phenomena and Fluid Mechanics, 66, 22.

Graduate Researcher

Ritwick Sinha


Ritwick has a bachelor’s degree in Chemistry from Cornell. He will be examining geothermal resource efficiency via the rheological characterization of active tracer suspensions. Outside research, Ritwick is an avid rower and a passable cook. 

Undergraduate Researchers

Jonathan Su


Jonathan is a chemical engineering student in the class of 2023. He works as an undergraduate research assistant, primarily focusing on studying the migration of particles in oscillatory flow through a thin channel. Jonathan’s main responsibilities include experimental setup and designing code for image processing. Outside of research, he is a junior representative of the AIChE student chapter at Cornell.

Kaleigh's Headshot
Kaleigh Soucy


Kaleigh is a junior chemical engineering major and works as an undergraduate research assistant detailing procedures, testing optics equipment, and performing imaging of particle suspensions in various geometries. She looks forward to exploring the application of fluid mechanics in drug delivery in the future. Kaleigh is also involved in AguaClara Cornell, Engineering Peer Advising, and SWE.

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