Large eddy simulations of airflow and particle deposition in pulsating bi-directional nasal drug delivery

A Farnoud, H Tofighian, I Baumann, GJM Garcia… - Physics of …, 2020 - pubs.aip.org
Chronic rhinosinusitis is a common disease worldwide, and the frequently prescribed nasal
sprays do not sufficiently deliver the topical medications to the target sites so that the final …

A large eddy simulation study of cyclones: the effect of sub-models on efficiency and erosion prediction

H Tofighian, E Amani, M Saffar-Avval - Powder Technology, 2020 - Elsevier
In this study, first, the effect of different state-of-the-art dispersion and particle-wall collision
models on the efficiency and erosion prediction are investigated. Second, the influence of …

Pulsatile bi-directional aerosol flow affects aerosol delivery to the intranasal olfactory region: a patient-specific computational study

A Farnoud, H Tofighian, I Baumann… - Frontiers in …, 2021 - frontiersin.org
The nasal olfactory region is a potential route for non-invasive delivery of drugs directly from
the nasal epithelium to the brain, bypassing the often impermeable blood-brain barrier …

[HTML][HTML] Effect of kerosene injection states on mixing and combustion characteristics in a cavity-based supersonic combustor

LIU Xu, LI Peibo, LI Fei, W Hongbo, SUN Mingbo… - Chinese Journal of …, 2024 - Elsevier
It has been found that the static pressure distribution along the axial direction of liquid
kerosene is lower than that of the gaseous kerosene under the same flow condition and …

Investigation of the horizontal motion of particle-laden jets

T Tavangar, H Tofighian, A Tarokh - Computation, 2020 - mdpi.com
Particle-laden jet flows can be observed in many industrial applications. In this investigation,
the horizontal motion of particle laden jets is simulated using the Eulerian–Lagrangian …

Asynchronous task based Eulerian-Lagrangian parallel solver for combustion applications

A Thari, M Staufer, GJ Page - Journal of Computational Physics, 2022 - Elsevier
Multiphysics applications often require the use of intimately coupled solvers. The application
studied here makes use of an Eulerian solver to model fluid flow and combustion and a …

A Heterogeneous Parallel Algorithm for Euler-Lagrange Simulations of Liquid in Supersonic Flow

X Liu, M Sun, H Wang, P Li, C Wang, G Zhao, Y Yang… - Applied Sciences, 2023 - mdpi.com
In spite of its prevalent usage for simulating the full-field process of the two-phase flow, the
Euler–Lagrange method suffers from a heavy computing burden. Graphics processing units …

Effects of particle size and reciprocating frequency of the plunger on performance and flow characteristics of a diaphragm pump

C Kang, M Li, S Teng, W Lyu - Journal of the Chinese Institute of …, 2024 - Taylor & Francis
The present study aims to reveal characteristics of the diaphragm pump applied in
transporting the mixture of liquid and solid particles. The computational fluid dynamics (CFD) …

Numerical investigation of scour around a cylindrical pier in laboratory scale using Euler-Lagrange approach

T Ebrahimi, M Hamidi, A Rahmani Firoozjaiee… - Amirkabir Journal of …, 2021 - mej.aut.ac.ir
The placement of a pier in flow causes a three-dimensional complex flow pattern around the
pier, which leads to a scouring hole around the pier. In this research, modeling of scouring …

A combined rate-shaping-splitting injection strategy for regulating stratification characteristics of fuel sprays

S Ramezani, E Amani, M Saffar-Avval - Applied Thermal Engineering, 2021 - Elsevier
Producing a desired level of fuel stratification has recently aroused much interest to improve
performance of combustion systems. In the present work, an injection strategy is proposed …