Investigation of theoretical scaling laws using large eddy simulations for airborne spreading of viral contagion from sneezing and coughing

K Liu, M Allahyari, J Salinas, N Zgheib… - Physics of …, 2021 - pubs.aip.org
Using a set of large eddy point-particle simulations, we explore the fluid dynamics of an
ejected puff resulting from a cough/sneeze. The ejection contains over 61 000 potentially …

Effectiveness of RANS in predicting indoor airborne viral transmission: A critical evaluation against LES

K Choudhary, KA Krishnaprasad, S Pandey, N Zgheib… - Computers & …, 2023 - Elsevier
We investigate the dispersal of droplet nuclei inside a canonical room of size 10× 10× 3. 2 m
3 with a four-way cassette air-conditioning unit placed at the center of the ceiling. We use …

Large-eddy simulation of flow turbulence in clarification systems

H Li, S Balachandar, J Sansalone - Acta Mechanica, 2021 - Springer
Prediction of turbulent flow is required for design and assessment of clarifier systems that
have been implemented throughout history to treat water in the urban water cycle through …

Interrogating common clarification models for unit operation systems with dynamic similitude

H Li, J Sansalone - Water Research, 2022 - Elsevier
Surface overflow rate (SOR), plug flow reactor (PFR) and continuously stirred tank reactor
(CSTR) are common models for clarification unit operations (UO). With wide deployment in …

Benchmarking Reynolds-averaged Navier–Stokes turbulence models for water clarification systems

H Li, J Sansalone - Journal of Environmental Engineering, 2021 - ascelibrary.org
Turbulence is inherent in clarification basin systems; turbulence is challenging to quantify,
yet directly impacting particulate matter (PM) separation. In computational fluid dynamic …

InterAdsFoam: An open-source CFD model for granular media–adsorption systems with dynamic reaction zones subject to uncontrolled urban water fluxes

H Li, J Sansalone - Journal of Environmental Engineering, 2022 - ascelibrary.org
In the urban water cycle, adsorption facilitated by engineered granular media increasingly is
deployed for solute separation in potable water, stormwater, and wastewater systems. Of …

Discordance of tracer transport and particulate matter fate in a baffled clarification system

H Li, S Balachandar… - Journal of Fluids …, 2021 - asmedigitalcollection.asme.org
Large eddy simulation (LES) and coupled physical laboratory-scale modeling are performed
to elucidate tracer transport and particulate matter (PM) fate in a baffled clarification system …

Sensitivity of puff dynamics and airborne droplet nuclei distribution to variations in violent expiration events

M Allahyari, K Liu, J Salinas, N Zgheib… - Computers & Fluids, 2023 - Elsevier
We use large eddy simulations to investigate the puff and droplet dynamics from violent
expiratory events such as coughs and sneezes in the first few seconds following an ejection …

On the impact of multi-authorship scholarly publications

M Al-Abbas, SS Saab - 2020 IEEE International Conference on …, 2020 - ieeexplore.ieee.org
There are many factors that have been observed to attract more citations. One of the most
popular factors is number of authors, often positively associated with an increase in citations …

Impact of student research in engineering: Case study of a non-doctoral university in the Arab world

S El-Zahr - 2022 IEEE Integrated STEM Education Conference …, 2022 - ieeexplore.ieee.org
Student collaboration in research work is often done at the graduate and mostly
postgraduate level. Universities with doctoral programs have a higher number of students …