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Pawel Surmacz and Zbigniew Gut
The article presents alternative metal-supported catalysts for decomposition of the highest-class hydrogen peroxide: 98%+ (Type 98 HP, according to MIL-PRF-16005F). The aim of this study was the experimental investigation of an alternative solution for d...
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Kailing Guo, Mengying Mu, Wei Cai, Bofang Xu and Ling Zhu
The phenomenon of repeated impacts on engineering structures is very common, especially in naval and ocean engineering. When marine structures are subjected to repeated impact loadings, deformation and damage will accumulate as the impact number increase...
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Yanqing Wang and Zhiyuan Zhang
In this study, the buckling of functionally graded (FG) nanoporous metal foam nanoplates is investigated by combining the refined plate theory with the non-local elasticity theory. The refined plate theory takes into account transverse shear strains whic...
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Bálint Katona, Imre Norbert Orbulov
Pág. 146 - 152
Closed cell, high strength metallic foams, like ceramic hollow spheres filled metal matrix foams are promising materials to build lightweight but high specific strength structural parts. The aim of this study is to investigate the damage of the foam stru...
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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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Jia Li, Xu Dong, Dakun Sun, Yuqing Wang, Chunwang Geng and Xiaofeng Sun
Foam metal is a foam-like substance with a high porosity; it has been used in flow control, vibration abatement, and acoustic absorption, mainly based on its physical properties. The aim of the current paper is to investigate the effect of foam metal cas...
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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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Renato Lazzarin, Marco Noro, Giulia Righetti and Simone Mancin
The use of phase change materials (PCM) can be considered an effective way to improve the energy storage capabilities of hybrid water thermal energy storage (TESs) in solar heating and cooling plants. However, due to a few shortcomings, their use is stil...
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Susana Palacios Rodríguez,Jesús Anaya Díaz,Borja Cruz López
Pág. 398 - 408
This article examines the supporting capacities of the foam-cored metal composites and the assembly methods. The type of sandwich panel chosen is the triple tongue-and-groove refrigeration panel, the operation of which is the basis for calculating its st...
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I. Kozma, Ibolya Zsoldos, G. Dorogi, Sz. Papp
Pág. 87 - 91
In order to create 3D (three-dimensional) models for finite element calculations it is necessary to reconstruct the structure of metal foam composites reinforced by hollow ceramic spheres. A new algorithm was developed for this reconstruction work. This ...
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Wael Deabes
This paper presents the hardware implementation of a stand-alone Electrical Capacitance Tomography (ECT) system employing a Field Programmable Gate Array (FPGA). The image reconstruction algorithms of the ECT system demand intensive computation and fast ...
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Kamel Hooman, Xiaoxue Huang and Fangming Jiang
This paper focuses on the optimization of a Solar-Enhanced Natural-Draft Dry-Cooling Tower (SENDDCT), originally designed by the Queensland Geothermal Energy Centre of Excellence (QGECE), as the air-cooled condenser of a geothermal power plant. The conve...
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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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Davor Bolf, Albert Zamarin, Paulina Krolo and Marko Hadjina
Sandwich structures are well-known and frequently used solutions in marine applications, especially when structural stiffness is required. An important part of the sandwich structure is the core, which usually carries shear loads. Therefore, choosing a r...
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Wika Atro Auriyani, Djoni Bustan, Sri Haryati
Pág. 25 - 29
Most of the R&D on Direct Methanol Alkaline Fuel Cell (DMAFC) concentrates on electrode catalyst and appropriate electrolyte to improve the efficiency. Mostly, a Pt-based electrocatalyst was used. In this research, Nickel foam and membrane silver as non-...
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Wika Atro Auriyani, Djoni Bustan, Sri Haryati
Pág. 25 - 29
Most of the R&D on Direct Methanol Alkaline Fuel Cell (DMAFC) concentrates on electrode catalyst and appropriate electrolyte to improve the efficiency. Mostly, a Pt-based electrocatalyst was used. In this research, Nickel foam and membrane silver as non-...
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Christopher Teruna, Leandro Rego, Damiano Casalino, Daniele Ragni and Francesco Avallone
This manuscript presents the application of a recently developed noise reduction technology, constituted by poro-serrated stator blades on a full-scale aircraft model, in order to reduce rotor-stator interaction noise in the fan stage. This study was car...
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