Understanding the role of swirling flow in dry powder inhalers implications for design considerations and pulmonary delivery

J Chen, Y Ye, Q Yang, Z Fan, Y Shao, X Wei… - Journal of Controlled …, 2024 - Elsevier
Dry powder inhalers (DPIs) are widely employed to treat respiratory diseases, offering
numerous advantages such as high dose capacity and stable formulations. However, they …

Transient numerical simulations of a cold-flow bidirectional vortex chamber

O Evdokimov, D Prokhorov, A Guryanov… - Physics of …, 2022 - pubs.aip.org
Bidirectional chambers are well-studied in terms of the flow structure and influence of their
input parameters. However, most of the available studies are based on steady-state or time …

Influence of dual-axial swirler configuration on hydrodynamic stability in combustor

L Xing, Y Li, M Zheng, T Gui, Q Zhang, W Li, J Zeng… - Physics of …, 2023 - pubs.aip.org
To improve hydrodynamic stability in a combustor, an unsteady flow analysis method is
needed. Hence, the proper orthogonal decomposition (POD) method based on a large eddy …

A novel gas injection method with swirl flow in underground gasification for improving gas production and controlling pollution yields

M Dong, L Feng, B Qin, J Pang, G Han, J Xie - Energy, 2024 - Elsevier
Underground coal gasification (UCG) is a promising technology, which can convert deep
coal seams into high calorific value gas products through in-situ controllable combustion, for …

Experimental investigation on the effects of swirl in the initial region of isothermal free swirling jets by stereoscopic PIV

R Sharma, F Cozzi - Meccanica, 2023 - Springer
Swirling jets are characterized by having a velocity component in the azimuthal direction
and used in many technical applications eg gas turbines, vortex burners, furnaces, and jet …

Research on a novel universal low–load stable combustion technology

C Huang, Z Li, Y Lu, Z Chen, H Liu, Y Kang, W Wei - Energy, 2024 - Elsevier
Current swirl combustion technology with faulty coal lacks flexibility for peak shaving without
aids, necessitating a novel low–load stable combustion technology. This paper presented …

Experimental and numerical study on flow field characteristics of a combustion chamber with double-stage counter-rotating swirlers

C Liu, J Yang, Q Dong, C Lai, J Zhao, J Lin… - … Communications in Heat …, 2024 - Elsevier
To discover a good predictive turbulent model and reveal the mechanism of turbulent mixing
enhancement, a new combustion chamber equipped with a double-stage counter-rotating …

Effect of Insert Porosity on Combustion Instability in a Lean Premixed Combustor Analyzed by a POD-Based Phase Reconstruction Technique

M Johnson, A James, A Agrawal - … Expo: Power for …, 2023 - asmedigitalcollection.asme.org
Lean premixed (LPM) combustion is very effective at mitigating emissions but is vulnerable
to strong thermoacoustic instabilities. A porous insert in the shape of an annular ring placed …

Influences of heat release, blockage ratio and swirl on the recirculation zone behind a bluff body

DP Kallifronas, P Ahmed, JC Massey… - Combustion Science …, 2023 - Taylor & Francis
The recirculation zone created through vortex breakdown mechanisms in swirling flows
plays a vital role for aerodynamic stabilization of turbulent flames in practical combustion …

Large Eddy Simulations of Conventional and Alternative Aviation Fuel Spray Breakup

J Liberatori, D Cavalieri, M Blandino… - … FORUM AND ASCEND …, 2024 - arc.aiaa.org
Mid-term climate neutrality cornerstone policies by international governments and
institutions target a climate-neutral aviation system by 2050. In this context, sustainable …