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Related papers: Spray characteristics from nasal spray atomization

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Droplet-based interphase synthesis provides means to produce nanoparticles with low polydispersity by controlling mass transport through droplet dynamics. An experimentally validated model, based on coupled computational fluid dynamics with…

Fluid Dynamics · Physics 2023-04-17 Vivekananda Bal , Rajdip Bandyopadhyaya

Effective mixing is essential for biochemical reactions. In droplet-based microfluidics, immediate mixing of substances upon contact in the droplet formation stage can greatly enhance the uniformity of chemical reactions. Furthermore, it…

The airflow in a subject-specific breathing human lung is simulated with a multiscale computational fluid dynamics (CFD) lung model. The three-dimensional (3D) airway geometry beginning from the mouth to about 7 generations of airways is…

Fluid Dynamics · Physics 2013-10-21 Jiwoong Choi , Youbing Yin , Eric A. Hoffman , Merryn H. Tawhai , Ching-Long Lin

The orientational distribution function of the nematic phase of the semi-flexible rod-like virus fd is measured by x-ray diffraction as a function of concentration and ionic strength. The angular distribution of the scattered intensity from…

Soft Condensed Matter · Physics 2013-05-29 K. R. Purdy , Z. Dogic , S. Fraden , A. Ruehm , L. Lurio , S. G. J. Mochrie

Fluctuations affect nanoporous transport in complex and intricate ways, making optimization of signal-to-noise in artificial designs challenging. Here we focus on the simplest nanopore system, where non-interacting particles diffuse through…

Soft Condensed Matter · Physics 2021-05-19 Sophie Marbach

The realization that interfacial features play little role in diesel spray vaporization and advection has changed the modus operandi for spray modeling. Lagrangian particle tracking has typically been focused on droplet behavior, with…

Computational Physics · Physics 2021-07-12 Majid Haghshenas , Peetak P. Mitra , Chu Wang , Fabien Tagliante , Lyle Pickett , David P. Schmidt

The numerical prediction of droplet base radius and contact angle depends on the choice of characteristic radius and height of droplet. In this study, a developed model on the basis of lubrication approximation is used to investigate the…

Fluid Dynamics · Physics 2017-08-01 Debanik Bhattacharjee , Hadi Nazaripoor , Mohtada Sadrzadeh

In diffusion-controlled drug delivery, it is possible for drug molecules to bind to the carrier material and never be released. A common way to incorporate this phenomenon into the governing mechanistic model is to include an irreversible…

Medical Physics · Physics 2024-01-19 Elliot J. Carr

The equilibrium properties of polymer droplets on a soft deformable surface are investigated by molecular dynamics simulations of a bead-spring model. The surface consists of a polymer brush with irreversibly end-tethered linear homopolymer…

Soft Condensed Matter · Physics 2015-05-28 Fabien Léonforte , Marcus Müller

A time-lag and linear regression-based framework is developed and its performance is assessed for predicting temporally resolved spray number of droplets using flame chemiluminescence and a sparse number of droplets data. Separate pressure,…

Fluid Dynamics · Physics 2022-12-13 Liam Krebbers , Sajjad Mohammadnejad , Ali Rostami , Sina Kheirkhah

Two-fluid spray nozzles are widely used in combustion, chemical processing, pharmaceutical coating, environmental control, and spray drying to atomize liquids with pressurized gas. However, the adiabatic cooling and resulting flash…

Fluid Dynamics · Physics 2026-01-21 Junshi Wang , Zehao Pan , Howard A. Stone , Maksim Mezhericher

In order to optimize the performance of gas-jet targets for future nuclear reaction measurements, a detailed understanding of the dependence of the gas-jet properties on experiment design parameters is required. Common methods of gas-jet…

Instrumentation and Detectors · Physics 2016-05-16 Zach Meisel , Ke Shi , Aleksandar Jemcov , Manoel Couder

Understanding the process of primary and secondary atomization in liquid jets is crucial in describing spray distribution and droplet geometry for industrial applications and is essential in the development of physics-based low-fidelity…

Fluid Dynamics · Physics 2022-05-11 Brendan V Christensen , Mark Owkes

Diffusion models, as a class of deep generative models, have recently emerged as powerful tools for robot skills by enabling stable training with reliable convergence. In this paper, we present an end-to-end framework for generating long,…

This work is devoted to a theoretical analysis of mass frequency response to pressure oscillations of a spray of repetitively injected drops into a combustion chamber. A single stationary spherical droplet continuously fed with the same…

Fluid Dynamics · Physics 2020-05-15 Kwassi Anani , Roger Prud'homme , Mahouton Norbert Hounkonnou

We have developed a theory of air leakage at interfaces between two elastic solids with application to suction cups in contact with randomly rough surfaces. We present an equation for the airflow in narrow constrictions which interpolate…

Soft Condensed Matter · Physics 2019-06-05 A. Tiwari , B. N. J. Persson

Understanding the dynamics of drops on polymer-coated surfaces is crucial for optimizing applications such as self-cleaning materials or microfluidic devices. While the static and dynamic properties of deposited drops have been well…

Soft Condensed Matter · Physics 2024-03-15 Rodrique G. M. Badr , Lukas Hauer , Doris Vollmer , Friederike Schmid

Direct numerical simulations of electrospinning and electrospraying are computationally demanding due to large-scale separation between the needle and the tip-to-collector distance. The cone-jet mode that occurs in the vicinity of the…

Fluid Dynamics · Physics 2026-02-18 Ghanashyam K. C. , Satyavrata Samavedi , Harish N Dixit

This study presents the first systematic investigation of the dynamics of individual water droplets in the context of airtanker firefighting. While previous work has focused on ground-deposition patterns measured in standardized field…

Fluid Dynamics · Physics 2026-03-13 Fabian Denner

Using a multiscale blood flow solver, the complete diffusion tensor of nanoparticle (NP) in sheared cellular blood flow is calculated over a wide range of shear rate and haematocrit. In the short-time regime, NPs exhibit anomalous…

Biological Physics · Physics 2019-06-12 Zixiang Liu , Jonathan R. Clausen , Rekha R. Rao , Cyrus K. Aidun
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