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Matteo Boventi, Michele Mauri and Roberto Simonutti
Porous materials are ubiquitous systems with a large variety of applications from catalysis to polymer science, from soil to life science, from separation to building materials. Many relevant systems of biological or synthetic origin exhibit a hierarchy,...
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Jose Cucharero, Tuomas Hänninen and Tapio Lokki
Sound-absorbing materials are usually measured in a reverberation chamber (diffuse field condition) or in an impedance tube (normal sound incidence). In this paper, we show how angle-dependent absorption coefficients could be measured in a factory-type s...
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Syaifullah Muhammad, Esam Bashir Yahya, H. P. S. Abdul Khalil, M. Marwan and Yonss M. Albadn
The global demand for clean water has become increasingly important in the past decade as a result of the growing world population, civilization, and the increase in sources of contaminations. Aerogels are an exceptional form of porous materials with ext...
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Oleg M. Alifanov, Margarita O. Salosina, Sergey A. Budnik and Aleksey V. Nenarokomov
Highly porous open-cell carbon materials have great potential for use as high-temperature thermal insulation for space vehicles due to a unique combination of properties: low density, high rigidity, sufficient compressive strength, and low thermal conduc...
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Magdalena Pasnikowska-Lukaszuk, Magda Wlazlo-Cwiklinska, Jaroslaw Zubrzycki and Zbigniew Suchorab
The measurement of the moisture content of building materials is of key importance both in the process of building structures and in their subsequent operation. In engineering practice, indirect techniques of moisture measurement, mainly, resistance and ...
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Hongqin Zhu, Ji Tan, Jiajun Qiu, Donghui Wang, Zhe Zhao, Zihan Lu, Gaoshan Huang, Xuanyong Liu and Yongfeng Mei
Titanium and its alloys have been widely used for orthopedic and dental implants. However, implant failures often occur due to the implant-related bacterial infections. Herein, titanium oxide nanotubes (TNTs) with an average diameter of 75 nm were formed...
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Jonathan Mayer, Alejandro Rubio Carpio and Daniele Ragni
The present work analyses broadband noise scattering from permeable trailing edges with identical micro-structure but under a change of temperature. Experiments are performed in an anechoic wind tunnel using a NACA0018 airfoil at chord-based Reynolds num...
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Jian-Zhang Chen, Cheng-Che Hsu, Ching Wang, Wei-Yang Liao, Chih-Hung Wu, Ting-Jui Wu, Hsiao-Wei Liu, Haoming Chang, Shao-Tzu Lien, Hsin-Chieh Li, Chun-Ming Hsu, Peng-Kai Kao, Yao-Jhen Yang and I-Chun Cheng
Atmospheric pressure plasma jet (APPJ) technology is a versatile technology that has been applied in many energy harvesting and storage devices. This feature article provides an overview of the advances in APPJ technology and its application to solar cel...
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Thomas Fritz Geyer and Ennes Sarradj
The application of open-porous materials is a possible method to effectively reduce the aerodynamic noise of an airfoil. However, the porous consistency may have a negative effect on the aerodynamic performance of the airfoil, since very often the lift i...
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Mihaela Ghita, Isabela Birs, Dana Copot, Ioana Nascu and Clara M. Ionescu
Following the paradigm shift in the pharmaceutical industry from batch to continuous production, additional instrumentation and revision of control strategies to optimize material flow throughout the downstream processes are required. Tableting manufactu...
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Patricia Kara De Maeijer
This Special Issue ?Recent Advances and Future Trends in Pavement Engineering? has been proposed and organized to present recent developments in the field of innovative pavement materials and engineering. For this reason, the articles and state-of-the-ar...
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Christian Rüttiger, Steffen Vowinkel, Nicole Herzog, Kathrin Hofmann, Emanuel Ionescu and Markus Gallei
The combination of cellulose-based materials and functional polymers is a promising approach for the preparation of porous, biotemplated ceramic materials. Within this study, cellulose substrates were functionalized with a surface-attached initiator foll...
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Fouad Ismail Ismail, Syed Ahmad Farhan, Nasir Shafiq, Nadzhratul Husna, Muhammad Taufiq Sharif, Syed Uthman Affan and Arul Kamal Veerasenan
Silica aerogel possesses an ultra-low thermal conductivity by virtue of its nano-structure. Owing to the fragility of monolithic aerogel, the development and production of aerogel-based insulation materials involve the incorporation of granular aerogel w...
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Gennadiy Kolesnikov and Timmo Gavrilov
Drying, as a process of changing the moisture content and temperature of capillary-porous materials, is a necessary step in many technologies. When predicting moisture changes, it is necessary to find a balance between the complexity of a model and the a...
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Abdel-Hakim Bouzid
The accurate prediction of liquid leak rates in packing seals is an important step in the design of stuffing boxes, in order to comply with environmental protection laws and health and safety regulations regarding the release of toxic substances or fugit...
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Osasu Osaze and Sanjeev Khanna
In this study, experimental measurements of porous polypropylene (PP) using the DTC-25 TA laboratory equipment and a hot box test are compared. The thermal conductivity of building materials indicates their insulation capability. Excellent building mater...
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Piergiorgio Tataranni and Cesare Sangiorgi
According to the latest estimates, 40% of urban areas are covered by pavements. One of the most remarkable effects on the urban environment is the increase in impermeable surfaces which leads to problems related to water infiltration into the ground and ...
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P. C. Iglesias, L. Godinho and J. Redondo
Extracting the microscopic parameters of a porous material is a complex task, and attempts have been made to develop models that can simulate their characteristics, gathering the least amount of information possible. As a case in point, tests to evaluate...
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Bin Jiang, Xin Li, Bozhi Yang, Shujie Yang, Xinyi Chen, Junhong Chen, Minghao Fang, Zhaohui Huang, Xin Min and Xiaozhi Hu
The occurrence of fractures has emerged as one of the most prevalent injuries in the human body. In bone reconstruction surgery, after the implantation of porous hydroxyapatite materials, there is an initial infiltration of body fluids into the porous im...
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Alice Massimiani, Filippo Panini, Simone Luigi Marasso, Matteo Cocuzza, Marzia Quaglio, Candido Fabrizio Pirri, Francesca Verga and Dario Viberti
Underground porous media are complex multiphase systems, where the behavior at the macro-scale is affected by physical phenomena occurring at the pore(micro)-scale. The understanding of pore-scale fluid flow, transport properties, and chemical reactions ...
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