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Yong Liu, Hao Du, Xinjiang Ren, Baichun Li, Junze Qian and Fangchao Yan
Due to the complexity of sealing surface topography, it is difficult to take the surface topography into consideration when building a leakage rate model theoretically. Therefore, a theoretical model for estimating the leakage rate of metal-to-metal seal...
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Bahareh Bidar, Farhad Shahraki, Davod Mohebbi Kalhori
Pág. 193 - 202
A computational fluid dynamics analysis of forced convective heat transfer has been conducted numerically on the hydrodynamic and heat transfer of airflow through vertical channel. The effects of airflow Reynolds number, metal foam porosity and thermal c...
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Xinmin Shen, Panfeng Bai, Xiaocui Yang, Xiaonan Zhang and Sandy To
The optimal combination structure low frequency sound absorber can be used in acoustic environmental protection and industrial noise reduction.
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Wei Song, Jian Xu, Lepeng Gao, Qingzhu Zhang, Jin Tong and Lili Ren
Novel porous chitosan microspheres were successfully produced by a freezing?lyophilization drying method in this study and were then used as adsorbents to remove a toxic iron metal, hexavalent chromium (Cr(VI)). The effects of the concentration of the ch...
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Sunil Dutt, Ashwani Kumar and Shivendra Singh
The linkage between metal nodes and organic linkers has led to the development of new porous crystalline materials called metal?organic frameworks (MOFs). These have found significant potential applications in different areas such as gas storage and sepa...
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Shisong Wang, Xu Hou, Jianbao Yin, Yuming Xing and Zixian Wang
To access the enhancement effect of the topology optimization and porous foam structure, numerical studies were conducted to investigate the heat conduction enhancement (by metal foam, graphite foam, topologically optimized fins, and combinations of meta...
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Bogdan-Ovidiu Taranu, Paula Ianasi, Stefania Florina Rus and Alexandra Ioana Bucur
The coating of orthopedic and dental implants with hydroxyapatite (HA) is recognized as a method to increase their integration ability. A new metal coating method, comprising simultaneous precipitation and electrodeposition, is presented. Two studies are...
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Abeer S. Aloufi, Bahja Al Riyami, Mustafa A. Fawzy, Hatim M. Al-Yasi, Mostafa Koutb and Sedky H. A. Hassan
The release of heavy metals into the environment as a result of industrial and agricultural activities represents one of the century?s most significant issues. Cobalt is a hazardous metal that is employed in a variety of industries. In this study, respon...
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Aleksandra Galarda and Joanna Goscianska
Migraine is now the sixth most common disease in the world and affects approximately 15% of the population. Non-steroidal anti-inflammatory drugs, including ketoprofen, diclofenac sodium, and ibuprofen, are often used during migraine attacks. Unfortunate...
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Robert Starosta and Tomasz Dyl
The surface of machine elements is changed to improve their mechanical properties. Ceramic-metal composite coatings are mainly used to increase the durability of machine parts. Therefore, new materials are constantly searched for application in the futur...
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Xinkun Suo, Shuo Yin, Hua Li and Rocco Lupoi
Cold sprayed WC-Co metal matrix composite coatings have shown great potential in wear-resistance applications. This work aims to use experimental and numerical methods to clarify the deposition and particle?substrate bonding behavior of a single porous W...
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Martha E. Jiménez-Castañeda and Dora I. Medina
The presence of heavy metals in water for human use or consumption represents a major risk to human health. It is therefore important to find materials to remove or minimise the concentration of these pollutants. The adsorption process for the removal of...
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Yong X. Gan, Anan S. Hamdan, Jeremy B. Gan and Mingheng Li
In this work, a Bi-Te-Ni-Fe complex coating material was obtained on magnesium oxide substrate by a single step ambient pressure chemical vapor deposition (CVD). Nickel acetate, bismuth acetate, iron (III) nitrate, and tellurium (IV) chloride dissolved i...
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Elham S. Moosavi, Seyed A. Dastgheib and Ramin Karimzadeh
Adsorption of sulfur compoundsby porous materials is an effective way to produce cleaner diesel fuel.In this study, adsorption of refractory thiophenic sulfur compounds, i.e., benzothiophene (BT), dibenzothiophene (DBT), and 4,6-dimethyldibenzot...
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Hengcong Huang, Luyao Wang, Xiaoyu Zhang, Hongshuo Zhao and Yifan Gu
CO2 represents a typical impurity in light hydrocarbon feedstocks, which affects the quality of subsequent chemical products. Owing to their highly similar nature, industrial separation requires large amounts of energy. Adsorptive gas separation based on...
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Yang Bai, Yin Pang, Zheng Wu, Xi Li, Jiang Jing, Hongbin Wang and Zheng Zhou
A manganese dioxide-modified red mud (Mn-RM) was developed as an adsorbent for the effective removal of lead ions (Pb2+) from wastewater. Various methods were used to characterize the prepared Mn-RM, analyze its adsorption performance, and evaluate the a...
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Amel Hind Hassein-Bey, Abd-Elmouneïm Belhadj, Hichem Tahraoui, Selma Toumi, Asma Nour El Houda Sid, Mohammed Kebir, Derradji Chebli, Abdeltif Amrane, Jie Zhang and Lotfi Mouni
The ?excess salt replication process? is a new simple method of fabrication of open-cell metal foam based on the commonly known salt replication method. Porous materials with porosity between 46% and 66% result when the employed alloy is 25% antimonial l...
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Katarina Monkova, Peter Pavol Monka, Milan ?aludek, Pavel Beno, Romana Hricová and Anna ?meringaiová
Porous materials bring components not only direct advantages in the form of lightening of constructions, saving of production materials, or improvement of physical properties, but also secondary advantages, which are manifested as a result of their daily...
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Benjamin St. Peter, Rainer A. Dressler, Yu-hui Chiu and Timothy Fedkiw
We report on the development of a software tool, the Electrospray Propulsion Engineering Toolkit (ESPET), that is currently being shared as a web application with the purpose to accelerate the development of electrospray thruster arrays for space propuls...
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Muhammad Mujahid Rafique
The reduction of carbon dioxide emissions has become a need of the day to overcome different environmental issues and challenges. The use of alternative and renewable-based technologies is one of the options to achieve the target of sustainable developme...
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