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Articles by Jesse Capecelatro
Small particles but big clusters
Jesse Capecelatro discusses how fluid–particle interactions at the microscale give rise to mesoscale clusters that govern the performance of chemical reactors. This is a preview of subscription content, access via your institution Access options Subscribe to this journal Receive 12 digital issues and online access to articles $119.00 per year only $9.92 per issue Buy this article Purchase on SpringerLink Instant access to the full article PDF.
Dusty streaks on the Moon: fingerprints of multiphase flow instabilities - Nature Communications
Abstract From the crewed Apollo missions to the recent Chinese Chang’e landings, the interaction between spacecraft exhaust plumes and lunar soil produces dusty clouds with high-speed particle ejection. Despite varying landing sites, remarkably stable streak patterns were observed, raising questions about their origin. We solved this puzzle by showing that these patterns were driven by Görtler instability from the curved compressed shear layer of the supersonic but surprisingly laminar jet.
Gas-Particle Dynamics in High-Speed Flows
Annual Review of Fluid Mechanics Vol. 56:- (Volume publication date January 2024) Review in Advance first posted online on October 3, 2023. (Changes may still occur before final publication.) https://doi.org/10.1146/annurev-fluid-121021-015818
A resilient campus | Michigan Engineering
Five teams at Michigan Engineering are investigating ongoing COVID-19-related issues on campus. Their work could inform College and University decision making for creating a more resilient campus. These represent the latest efforts by the College’s pandemic-inspired “SkunkWorks” program, which began in 2020. Enlarge IMAGE: A group of Women in Science and Engineering (WISE) program members hang out on the Eda U. Gerstacker Grove on North Campus.
Disease transmission through expiratory aerosols on an urban bus
The COVID-19 pandemic has affected people throughout the world, and recovery from the pandemic depends upon a detailed understanding of how transmission occurs through the various ways humans interact in society. It is known that among the different pathways of transmission, a dominant mode is that airborne particles carry the virus from person to person.11. R. Zhang, Y. Li, A. L. Zhang, Y. Wang, and M. J. Molina, “Identifying airborne transmission as the dominant route for the spread of COVID-19,” Proc.
8 Ways To Make School Buses Safer During COVID-19
Editor’s note: This article originally appeared on The Conversation and is republished here with permission. The school bus industry is still calling for more relief funding from Congress to implement safety recommendations like these; learn more about their efforts and how you can support them here. Jesse Capacelatro Short trips. Masks for everyone. Far fewer passengers than before.
8 Recommendations For School Bus Safety During The Pandemic
Mask mandates, open windows and empty seats can help reduce the spread of the coronavirus. AP Photo/Brynn Anderson Short trips. Masks for everyone. Far fewer passengers than before. Those are my top recommendations for how America’s school buses should take kids to and from school during the pandemic. I am a professor of mechanical and aerospace engineering who studies the flow physics of particles and droplets.
Voting by mail part of America’s long history of electoral reforms By Luke Perry — Utica College Center of Public Affairs and Election Research
Sep 4 Sep 4 Voting by mail part of America’s long history of electoral reforms By Luke Perry Free and fair elections are a cornerstone of democracy. How people vote in our 2020 election will be noteworthy and different as the COVID pandemic continues to pose serious public health challenges. Voting procedures have changed significantly throughout American history, particularly regarding who can vote and how. Only 20 percent of adults could vote following ratification of the Constitution.
School bus safety during the COVID-19 pandemic: 8 recommendations Original
Short trips. Masks for everyone. Far fewer passengers than before. Those are my top recommendations for how America’s school buses should take kids to and from school during the pandemic. I am a professor of mechanical and aerospace engineering who studies the flow physics of particles and droplets. Since March, I have worked with my University of Michigan colleagues to measure COVID-19 risks on the buses college students use to get around our campus.
The science behind campus bus changes during COVID-19 | Michigan Engineering
Engineers used smoke machines, physics-based modeling and route optimization algorithms to quantify risk.| Medium Read Enlarge IMAGE: Kwang Hee Yoo, ME Researcher, measures the flow of aerosols in a University of Michigan blue bus in Ann Arbor, MI on June 24, 2020.
A computational study of the effects of multiphase dynamics in catalytic upgrading of biomass pyrolysis vapor
A recurring challenge among the variety of existing biomass‐to‐biofuel conversion technologies is the need to ensure optimal and homogeneous contact between the various phases involved. The formulation of robust design rules from an empirical standpoint alone remains difficult due to the wide range of granular flow regimes coexisting within a given reactor.
Verification of Eulerian-Eulerian and Eulerian-Lagrangian simulations for turbulent fluid-particle flows
We present a verification study of three simulation techniques for fluid–particle flows, including an Euler–Lagrange approach (EL) inspired by Jackson's seminal work on fluidized particles, a quadrature–based moment method based on the anisotropic Gaussian closure (AG), and the traditional two-fluid model. We perform simulations of two problems: particles in frozen homogeneous isotropic turbulence (HIT) and cluster-induced turbulence (CIT).
Euler-Euler anisotropic Gaussian mesoscale simulation of homogeneous cluster-induced gas-particle turbulence
An Euler-Euler anisotropic Gaussian approach (EE-AG) for simulating gas-particle flows, in which particle velocities are assumed to follow a multivariate anisotropic Gaussian distribution, is used to perform mesoscale simulations of homogeneous cluster-induced turbulence (CIT). A three-dimensional Gauss–Hermite quadrature formulation is used to calculate the kinetic flux for ten velocity moments in a finite-volume framework.
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