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Takeshi Yasunaga, Takafumi Noguchi, Takafumi Morisaki and Yasuyuki Ikegami
Ocean thermal energy conversion (OTEC) harvests the power from the thermal energy in the ocean, which is reserved in the ocean as the temperature difference between warm surface and cold deep seawaters. In the energy conversion, the heat exchangers trans...
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Evangelos Bellos and Christos Tzivanidis
In this study, the maximum work extraction from the incident solar energy on solar thermal collectors is investigated by coupling solar collectors with a Carnot machine. A simplified thermal model for the solar collector performance is developed in which...
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Alonso Pizarro, Caterina Samela, Mauro Fiorentino, Oscar Link and Salvatore Manfreda
The goal of this paper is to introduce the first clear-water scour model based on both the informational entropy concept and the principle of maximum entropy, showing that a variational approach is ideal for describing erosional processes under complex s...
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Evangelos Bellos and Christos Tzivanidis
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Dawei Bie, Daochun Li, Huadong Li, Zi Kan and Zhan Tu
In this work, we use a three-dimensional computational fluid dynamics (CFD) simulation to comprehend how the two wing arrangement variables, i.e., inner/outer wing proportion and mid-stroke dihedral, affect the lift characteristic of a bat-inspired span ...
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Hiba Khalid Hussein,Israa Rafie Shareef,Iman Ahmed Zayer
Pág. 57 - 64
The Resistance Spot Welding (RSW) represents one of the most important welding processes. The resistance spot welding quality depends on the process parameters like welding current, electrode force and welding time and their chosen levels. In this work, ...
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Xiaoyuan Zheng, Cheng Zhang, Yifang Lou, Guangming Xue and Hongbai Bai
Active vibration control shows excellent performance in vibration isolation. In this work, the finite element model of a toothed electromagnetic spring (TES) is established using ANSYS Maxwell software. Subsequently, a static characteristic experiment of...
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Giorgia Fiori, Fabio Fuiano, Andrea Scorza, Jan Galo, Silvia Conforto and Salvatore Andrea Sciuto
The present work is aimed at providing a novel image analysis-based method for the maximum depth of penetration (DOP) measurement in Quality Assessment (QA) of medical ultrasound systems.
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Daniel Ganea, Elena Mereuta and Eugen Rusu
The objective of this work is to analyze the wind and wave conditions along the coasts of the European seas. The emphasis is put on the mean and maximum values. The areas studied are characterized by intense maritime activities, including traffic, as wel...
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Rudy Gargano, Carla Tricarico, Francesco Granata, Simone Santopietro and Giovanni De Marinis
Peak water demand is one of the most stringent operative conditions for a Water Distribution System (WDS), not only for the intensity of the event itself, but also for its recurring nature. The estimation of the maximum water demand is a crucial aspect i...
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Rudy Gargano, Carla Tricarico, Francesco Granata, Simone Santopietro, Giovanni de Marinis
Pág. 1 - 15
Peak water demand is one of the most stringent operative conditions for a Water Distribution System (WDS), not only for the intensity of the event itself, but also for its recurring nature. The estimation of the maximum water demand is a crucial aspect i...
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Emin Açikkalp, Hasan Yamik, Yakup Içingür
This study investigated the performance of a compression ignition engine operating with sunflower ethyl ester. A thermodynamic analysis, including energy and exergy analysis at different engine loads (20%, 40%, 60%, 80%, 100%), was conducted. The study c...
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Leonardo Seabra Furtado, Raimundo Vitor Santos Pereira and Everaldo Barreiros de Souza
This work contributes to the studies on landscape mapping induced by human pressure directly related to the urbanization process, whose approach is based on the concept of hemeroby adapted to the metropolitan area of Belém in the eastern Amazon. The mapp...
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Yuxian Ma, Dewen Ding, Ning Xu, Shuai Yuan and Wenqi Shi
During the winters of 2009/2010 and 2020/2021, observations were carried out at an eastern port of Liaodong Bay to examine the variations in sea ice thickness and atmospheric conditions. The daily ice thickness (DIT) and the cumulative ice thickness (CIT...
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Manikandan Rajagopal, Ramkumar Sivasakthivel, Jeyakrishnan Venugopal, Ioannis E. Sarris and Karuppusamy Loganathan
Mobile Adhoc Networks (MANETs) typically employ with the aid of new technology to increase Quality-of-Service (QoS) when forwarding multiple data rates. This kind of network causes high forwarding delays and improper data transfer rates because of the ch...
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Danial Rooyani and Fantahun Defersha
The work in this paper is motivated by a recently published article in which the authors developed an efficient two-stage genetic algorithm for a comprehensive model of a flexible job-shop scheduling problem (FJSP). In this paper, we extend the applicati...
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Sarmad Dawood Salman Dawood and Mohammad Yazdi Harmin
Satellite systems undergo several operational phases during their service life, including the assembly phase, ground transportation phase, the launch phase, and the in-orbit operation phase. Among these phases, the one that imposes the highest level of l...
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Danchen Wei, Cheng Liu and Zhongfeng Geng
The organic rankine cycle (ORC) has been widely used to convert low-grade thermal energy to electricity. The selection of the cycle configuration, working fluid, and operating parameters is crucial for the economic profitability of the ORC system. In the...
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Júlio César Penereiro
Pág. e44359
In recent decades, scientific and academic researchers around the world have been concerned with the assessment of regional and global climate trends. Under the hypothesis of the presence of climate change in Brazil, the aim of this work was to ver...
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Júlio César Penereiro (Author)
Pág. e44359
In recent decades, scientific and academic researchers around the world have been concerned with the assessment of regional and global climate trends. Under the hypothesis of the presence of climate change in Brazil, the aim of this work was to ver...
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