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Faisal Mahmood, Seyed M. Hashemi and Hekmat Alighanbari
Detrimental environmental impacts due to the increasing demands of the aviation industry have gained tremendous global attention. With a potential fuel saving, along with high aerodynamic performance and maneuverability during different phases of a fligh...
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Jukka Tanttari and Antti Hynninen
Marine propulsors represent one of the most important contributors among anthropogenic sounds radiated into water. Blade based propulsors, e.g., propellers, generate tones at the blade passing frequency and its harmonics, especially in cavitating conditi...
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Dongye Lv, Hanbing Liu, Qiang Miao, Wensheng Wang, Guojin Tan, Chengwei Shi and Hanjun Li
The passivation behavior of steel reinforcements in concrete is significantly influenced by the environment, concrete pore solution, and the passive film formed on the steel surface. The present study used electrochemical methods to successfully characte...
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Dario Autovino, Vincenzo Alagna, Cristina Bondì and Massimo Iovino
Green roofs can be a valid solution for stormwater management in urban environments. The objective of this study was to develop a laboratory procedure for the hydraulic characterization of artificial substrates, used in the realization of green roofs, ba...
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Chengji Mi, Wentai Li, Xuewen Xiao, Haigen Jian, Zhengqi Gu and Filippo Berto
In order to improve the fatigue performance of a welded A-type frame in a heavy off-road mining truck, a novel method was presented to implement lifetime and weight collaborative optimization while considering uncertainties in geometry dimension, materia...
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Jong Seok Lee, Min Hyeok Lee, Yoon-Young Chun and Kun Mo Lee
The purpose of this paper is to compare the degree of uncertainty of the water scarcity footprint using the Monte Carlo statistical method and block bootstrap method. Using the hydrological data of a water drainage basin in Korea, characterization factor...
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Jong Seok Lee, Min Hyeok Lee, Yoon-Young Chun and Kun Mo Lee
The purpose of this paper is to compare the degree of uncertainty of the water scarcity footprint using the Monte Carlo statistical method and block bootstrap method. Using the hydrological data of a water drainage basin in Korea, characterization factor...
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Maged S. Al-Fakeh, Roaa O. Alsaedi, Nesrine Amiri and Gadah A. Allazzam
Nano-sized manganese oxide and cadmium oxide were formed quantitatively via chemical routes, using calcination from an aqueous solution containing metal chloride as a precursor, to create polyvinyl alcohol and para-aminobenzoic acid complexes with the fo...
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Nuttee Thungsuk, Narong Mungkung, Thaweesak Tanaram, Arckarakit Chaithanakulwat, Somchai Arunrungsusmi, Wittawat Poonthong, Apidat Songruk, Khanchai Tunlasakun, Chalathip Chunkul, Tanes Tanitteerapan, Toshifumi Yuji and Hiroyuki Kinoshita
This study used the Area Elimination Method (AEM) of transformer design with transformer characteristic simulation. The multidimensional variable of physical parameters such as magnetic density, current density, voltage and coil turn was performed. This ...
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Jiayi Peng, Hao Xu, Hailei Jia, Dragoslav Sumarac, Tongfa Deng, Xin Zhang and Maosen Cao
Eigen-frequency, compared with mode shape and damping, is a more practical and reliable dynamic feature to portray structural damage. The frequency contour-line method relying on this feature is a representative method to identify damage in beam-type str...
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Emir Po?kovic, Fausto Franchini, Luca Ferraris, Federico Carosio and Marco Actis Grande
In electrical machines, laminated steels are commonly adopted as soft magnetic materials, while for permanent magnets, sintered ferrites and NdFeB are the most common solutions. On the other hand, the growing demand for volume reduction with the incremen...
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Md Arafat Habib, Cheol Hong Kim and Jong-Myon Kim
This study aims at characterizing crack types for reinforced concrete beams through the use of acoustic emission burst (AEB) features. The study includes developing a solid crack assessment indicator (CAI) accompanied by a crack detection method using th...
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Petar Piljek, Denis Kotarski and Matija Krznar
Due to their abilities, multirotor unmanned aerial vehicles (UAVs) can be used in various missions that require complex and precise movements, so they are a typical representative of aerial robots. Since this type of UAV is characterized by high energy c...
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Sahar Ujan, Neda Navidi and Rene Jr Landry
The Quality of Service (QoS) and security of Satellite Communication (Satcom) are crucial as Satcom plays a significant role in a wide range of applications, such as direct broadcast satellite, earth observation, navigation, and government/military syste...
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Simin Jiang, Jinhong Fan, Xuemin Xia, Xianwen Li and Ruicheng Zhang
The identification of unknown groundwater pollution sources and the characterization of pollution plume remains a challenging problem. In this study, we addressed this problem by a linked simulation-optimization approach. This approach couples a contamin...
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Sabah M. Ahmed
Pág. 1 - 9
Introduction: In recent years a metal oxide semiconductors have been paid attention due to their excellent chemical and physical properties. ZnO (Zinc oxide) is considered as one of the most attractive semiconductor materials for implementation in photo-...
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Rouven Christen, Gerhard Rizzo, Alfred Gadola and Max Stöck
Temperature gradients, thermal cycling and temperatures outside the optimal operation range can have a significant influence on the reliability and lifetime of Li-ion battery cells. Therefore, it is essential for the developer of large-scale battery syst...
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An Li, Serge Pelissier, Pascal Venet and Philippe Gyan
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Hugot Pichon, Yves Lembeye and Jean-Christophe Crebier
In this article, inductor loss models are developed based on the experimental characterization of off-the-shelf components. The modelling steps and techniques are described and validated. It is shown that the model exhibits fairly good accuracy over a la...
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Peitao Wang, Cao Liu, Zhenwu Qi, Zhichao Liu and Meifeng Cai
The geometry of the joint determines the mechanical properties of the rock mass and is one of the key factors affecting the failure mode of surrounding rock masses. In this paper, a new rough discrete fractures network (RDFN) characterization method base...
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