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Brayan Enrique Aguirre-Angulo, Lady Carolina Giraldo-Bello, Oscar Danilo Montoya and Francisco David Moya
This study addresses the problem of the maximization of the voltage stability index (λ" role="presentation">???
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-coefficient) in medium-voltage distribution networks considering the optimal placement and sizing of dispersed generators. The pr...
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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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Xin Liu, Yu Fan, Lin Li and Xiaoping Yu
Understanding the mechanism of the aeroelastic stability improvement induced by mistuning is essential for the design of bladed disks in aero-engines. In this paper, a quantitative interpretation is given. It starts by projecting the mistuned aeroelastic...
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Marco Porro, Richard Jefferson-Loveday and Ernesto Benini
This work focuses its attention on possibilities to enhance the stability of an axial compressor using a casing treatment technique. Circumferential grooves machined into the case are considered and their performances evaluated using three-dimensional st...
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Jannatul Mawa Akanto, Md. Rifat Hazari and Mohammad Abdul Mannan
According to the grid code specifications, low voltage ride-through (LVRT) is one of the key factors for grid-tied wind farms (WFs). Since fixed-speed wind turbines with squirrel cage induction generators (FSWT-SCIGs) require an adequate quantity of reac...
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Ezzeddine Touti, Hossem Zayed, Remus Pusca and Raphael Romary
Renewable energy systems have been extensively developed and they are attractive to become widespread in the future because they can deliver energy at a competitive price and generally do not cause environmental pollution. However, stand-alone energy sys...
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Dracos Vassalos and Donald Paterson
The traditional risk control option adopted in naval architecture to meet safety-related objectives is by regulations, targeting damage limitation, nominally instigated in the wake of maritime accidents claiming heavy loss of life. These primarily concer...
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Haifeng Yang, Hui Wang, Jincheng Zhang, Jingjing Chang and Chunfu Zhang
Solvent engineering is one of the most widely applied preparation methods for the high- quality perovskite films. In this method, the choice of anti-solvent plays a very important role to improve the perovskite crystal quality. Here, we report a facile w...
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R. Jeevajothi, D. Devaraj
This paper investigates the enhancement in voltage stability achieved while connecting a variable speed wind turbine (VSWT) driven electrically excited synchronous generator (EESG) into power systems. The wind energy conversion system (WECS) uses an AC-D...
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Junji Tamura, Atsushi Umemura, Rion Takahashi, Atsushi Sakahara, Fumihito Tosaka and Ryosuke Nakamoto
The penetration level of large-scale wind farms into power systems has been increasing significantly, and the frequency stability and transient stability of the power systems during and after a network fault can be negatively affected. This paper propose...
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Jin Zou, Shijie Lu, Hanbing Sun, Liru Zan and Jiuyang Cang
In this study, a high-speed planing trimaran hull form is designed, and the effects of different displacements and gravity longitudinal layouts on the performance of the trimaran planing hull in calm water are experimentally investigated in the towing ta...
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Ain Nazira Mohamad Nazri, Noor Faizah Che Harun
Pág. 6
Nanocomposites are defined as a promising class of hybrid materials that are mixtures of polymers with inorganic solids at the nanometric scale. Different methods of synthesizing PS - bentonite clay nanocomposites with different surfactants and different...
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José Antônio de Queiroz Lafetá Junior, Jane Sélia dos Reis Coimbra (Author)
Pág. e50067
Emulsifying properties of oil in water emulsions using quail egg white protein (Coturnix coturnix japonica) as an emulsifying agent were investigated using the conductivity technique. Changes in emulsion conductivity were recorded during and after homoge...
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José Antônio de Queiroz Lafetá Junior, Jane Sélia dos Reis Coimbra
Pág. e50067
Emulsifying properties of oil in water emulsions using quail egg white protein (Coturnix coturnix japonica) as an emulsifying agent were investigated using the conductivity technique. Changes in emulsion conductivity were recorded during and after homoge...
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István Bagi, Sándor Olasz
Pág. 43 - 47
One of the most wide-spread illnesses of our age is osteoporosis at elder age (senilis osteoporosis), and as a consequence, the frequent hip fracture. In case of fracture of the neck of the femur a common way of the successful rehabilitation of the injur...
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Nadeem Jelani and Marta Molinas
Constant power loads (CPLs), interfaced through active rectifiers can be used for improving the stability of induction generator (IG)-based wind turbines under balanced grid voltage dips by providing the reactive power. Under asymmetrical grid faults, th...
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Zaid Hazim Al-Saffar, Heja Ghazi Mohamed Hasan and Salam Ridha Oleiwi Aletba
This research addresses the significant challenge posed by early water damage in highway asphalt pavement, a critical concern affecting pavement service performance. To counteract this issue, the utilization of anti-stripping agents in asphalt is explore...
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Salvatore Corcione, Vincenzo Cusati, Danilo Ciliberti and Fabrizio Nicolosi
This paper deals with the estimation of propulsive effects for a three-lifting surface turboprop aircraft concept, with rear engine installation at the horizontal tail tips, conceived to carry up to 130 passengers. This work is focused on how the propuls...
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Yichao Xu, Changzhao Li, Yu Cheng and Yufeng Zhang
High-damping rubber (HDR) dampers have the advantages of convenience for various shapes of pressure blocks, aesthetic installation, easy maintenance, temperature stability, etc.; thus, they present good application prospects in the vibration reduction of...
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