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Shixian Wu, Yongping Chen, Can Qi, Chunyu Liu, Gang Li and Hui Zhu
The microscale simulation of ultrafine particle transport and deposition in fibrous filtration media was achieved with a novel particle tracking model using a 3D Monte Carlo model. The particle deposition process is governed by the convection?diffusion f...
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Liangyu Zhu, Tao Zhou, Xijia Ding, Xuemeng Qin and Jialei Zhang
The movement and deposition of particles that occur during their natural circulation in supercritical water exercise an important impact on the safe and stable operation of a supercritical water reactor (SCWR). When supercritical water flows in pipelines...
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Gopinath Kalaiarasan, Prashant Kumar, Mamatha Tomson, Juan C. Zavala-Reyes, Alexandra E. Porter, Gloria Young, Mark A. Sephton, Hisham Abubakar-Waziri, Christopher C. Pain, Ian M. Adcock, Sharon Mumby, Claire Dilliway, Fangxing Fang, Rossella Arcucci and Kian Fan Chung
We estimated the particle number distributions (PNDs), particle number concentrations (PNCs), physicochemical characteristics, meteorological effects, and respiratory deposition doses (RDD) in the human respiratory tract for three different particle mode...
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Hao Lu, Zunshi Han, Hongchang Li, Xiqiang Chang, Lijiang Dong, Mao Fan, Dean Kong and Xuehui Jing
In engineering applications, dust deposition on the heat transfer channel greatly reduces the efficiency of heat transfer. Therefore, it is very significant to study the characteristics of particle deposition for thermal energy engineering applications. ...
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Md Rabiul Islam, Puchanee Larpruenrudee, Md Mostafizur Rahman, Sana Ullah, Tapan Kumar Godder, Xinguang Cui, Hamidreza Mortazavy Beni, Kiao Inthavong, Jingliang Dong, Yuantong Gu and Mohammad S. Islam
Airway stenosis is a global respiratory health problem that is caused by airway injury, endotracheal intubation, malignant tumor, lung aging, or autoimmune diseases. A precise understanding of the airflow dynamics and pharmaceutical aerosol transport thr...
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Dogan Ciloglu, Hassan Athari, Abdurrahim Bolukbasi and Marc A. Rosen
The trajectory and deposition efficiency of micron-sized (1?5 µm) particles, inhaled into the pulmonary system, are accurately determined with the aid of a newly developed model and modified simulation techniques. This alveolar model, which has a simple ...
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Noor irinah Omar, Yusliza Yusuf, Syahrul Azwan bin Sundi, Ilyani Akmar Abu Bakar, Verry Andre Fabiani, Toibah Abdul Rahim and Motohiro Yamada
The cold spray or Supersonic Particle Deposition technique has great potential for producing ceramic nanostructured coatings. This technique operates at a processing temperature that is low enough to preserve the initial feedstock materials? microstructu...
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Yusheng Liu, Jie Zhang, Hongchao Dun, Kang Gong, Li Shi and Ning Huang
The transport and deposition of atmospheric particulate matter have attracted significant attention recently due to the increasing frequency of extreme disaster events, such as dust storms, volcanic eruptions, and extensive forest fires. The size distrib...
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Fan Wang, Jing Wu, Yiru Zhuang, Bingqi Dong, Yueling Zhang and Lin Peng
Perfluorohexane sulfonic acid (PFHxS), one of the substitutes for perfluorooctane sulfonic acid (PFOS), has been widely discussed around the world. In this study, the atmospheric concentrations of PFHxS in Beijing in the summer and autumn of 2021 were mo...
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Stefano Oliani, Nicola Casari, Michele Pinelli and Mauro Carnevale
In recent years, CFD has proven to be a very useful asset to help with predicting complex flows in a wide range of situations, including multiphase and gas-particle flows. On this track, numerical modelling of particle-laden flows in multistage turbomach...
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Jian Liu, Hongwei Zhou, Longyang Pan, Junyi Cai, Niannian Li and Mingyang Wang
Sediment deposition is an ecological and environmental problem faced by most water bodies. In view of the poor structural stability and unrepeatable use of existing permeable structures, this paper proposes a cascade permeable dam, which consists of four...
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Bahareh Farahani, Mehdi Jadidi and Sara Moghtadernejad
The aerosol deposition (AD) method is an emerging coating technique to create a dense ceramic or metal layer on a substrate through the kinetic impaction and cumulative deposition of ultrafine solid particles under near-vacuum conditions. Prediction of t...
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Saeed Garmeh and Mehdi Jadidi
Cold Spray additive manufacturing (CSAM) is an emerging technique to fabricate freestanding objects by depositing solid-state layers of materials. Thanks to its remarkable deposition rate and maneuverability, it can be tailored to manufacturing intricate...
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Shixian Wu, Hui Zhu, Yongping Chen, Can Qi and Gang Li
A three-dimensional Monte Carlo model was developed to simulate the deposition of aerosol particles onto horizontal solid surfaces. The random walk method was employed to solve the particle transport equation, which allowed obtaining the trajectory of pa...
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Javali K. Madhukesh, Ballajja C. Prasannakumara, Umair Khan, Sunitha Madireddy, Zehba Raizah and Ahmed M. Galal
The notion of thermophoretic particle deposition is used in a number of applications, including thermal exchanger walls. It is important to identify the transport processes in action in systems such as thermal precipitators, exhaust devices, optical tran...
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Md. M. Rahman, Ming Zhao, Mohammad S. Islam, Kejun Dong and Suvash C. Saha
Understanding transportation and deposition (TD) of aerosol particles in the human respiratory system can help clinical treatment of lung diseases using medicines. The lung airway diameters and the breathing capacity of human lungs normally increase with...
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Bheemasandra M. Shankaralingappa, Ballajja C. Prasannakumara, Bijjanal J. Gireesha and Ioannis E. Sarris
The current study focuses on the characteristics of flow, heat, and mass transfer in the context of their applications. There has been a lot of interest in the use of non-Newtonian fluids in biological and technical disciplines. Having such a substantial...
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Matthew Ellis, Nicholas Bojdo, Antonio Filippone and Rory Clarkson
Aero-engines, which encounter clouds of airborne particulate, experience reduced performance due to the deposition of particles on their high-pressure turbine nozzle guide vanes. The rate of this degradation depends on particle properties, engine operati...
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The effect of mainstream velocity and mainstream temperature on the behavior of deposition on a flat plate surface has been investigated experimentally. Molten wax particles were injected to generate particle deposition in a two-phase flow wind tunnel. T...
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Claudine Filiâtre, Céline Pignolet and Cédric C. Buron
Research into the micro-nanostructured coatings process has made a variety of new applications available. Electrophoretic deposition (EPD) is an efficient and attractive technique to produce coated materials. Therefore the understanding of the formation ...
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