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Alessandro Scarpellini, Valentina Finazzi, Paolo Schito, Arianna Bionda, Andrea Ratti and Ali Gökhan Demir
This work demonstrates the advantages of using laser powder bed fusion for producing a rudder bulb of a moth class sailing racing boat via laser powder bed fusion (LPBF). The component was designed to reduce weight using an AlSi7Mg0.6 alloy and incorpora...
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Nely Ramzy
Pág. 246 - 267
Biomimicry is a growing area of interest in architecture due to the potentials it offers for innovative architectural solutions and for more sustainable, regenerative built environment. Yet, a growing body of research identified various deficiencies to t...
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Chuanxing Du, Weiquan Fang, Dianlei Han, Xuegeng Chen and Xinzhong Wang
In order to reduce ground drop loss during mechanical pepper picking and improve the net recovery rate, a drum snap finger picking device was designed. The picking device is mainly composed of a picking drum and auxiliary picking components; the picking ...
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Choosing building materials is usually the stage that follows design in the architectural design process, and is rarely used as a main input and driver for the design of the whole building’s geometries or structures. As an approach to have control ...
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Kshitij C. Jha, Emmanuel Anim-Danso, Selemon Bekele, George Eason and Mesfin Tsige
The design of anti-icing surfaces presents an interface with high causal density that has been challenging to quantify in terms of individual contributions of various interactions and environmental factors. In this commentary, we highlight the role of in...
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Jimin Hwang, Neil Bose, Hung Duc Nguyen and Guy Williams
We introduce an adaptive sampling method that has been developed to support the Backseat Driver control architecture of the Memorial University of Newfoundland (MUN) Explorer autonomous underwater vehicle (AUV). The design is based on an acoustic detecti...
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Hao Chen, Weikun Li, Weicheng Cui, Ping Yang and Linke Chen
Biomimetic robotic fish systems have attracted huge attention due to the advantages of flexibility and adaptability. They are typically complex systems that involve many disciplines. The design of robotic fish is a multi-objective multidisciplinary desig...
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Anastasiia Moskaleva, Alexander Safonov and Enrique Hernández-Montes
This article is a survey discussing the application of fiber-reinforced polymer composites in freeform structures and their impact on the design and shape generation process. The analysis of case studies showed that the use of FRP composites not only hel...
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Roman Major, Maciej Gawlikowski, Marcin Surmiak, Karolina Janiczak, Justyna Wiecek, Przemyslaw Kurtyka, Martin Schwentenwein, Ewa Jasek-Gajda, Magdalena Kopernik and Juergen M. Lackner
A major medical problem of state-of-the-art heart ventricular assist devices (LVADs) is device-induced thrombus formation due to inadequate blood-flow dynamics generated by the blood pump rotor. The latter is a highly complex device, with difficulties du...
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Lingkun Chen, Shusheng Bi, Yueri Cai, Yong Cao and Guang Pan
Bionic propulsion has advantages over traditional blade propellers, such as efficiency and noise control. Existing research on ray-inspired robot fish has mainly focused on a single type of pectoral fin as bionic propeller, which only performed well in t...
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Dimitra E. Anevlavi, Evangelos S. Filippas, Angeliki E. Karperaki and Kostas A. Belibassakis
Recent studies indicate that nature-inspired thrusters based on flexible oscillating foils show enhanced propulsive performance. However, understanding the underlying physics of the fluid?structure interaction (FSI) is essential to improve the efficiency...
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Zouhair Ait-Touchente, Houssem Eddine El Yamine Sakhraoui, Najla Fourati, Chouki Zerrouki, Naima Maouche, Nourdin Yaakoubi, Rachid Touzani and Mohamed M. Chehimi
A biomimetic, ion-imprinted polymer (IIP) was prepared by electropolymerization of pyrrole at the surface of gold electrodes decorated with vertically grown ZnO nanorods. The vertical growth of the nanorods was achieved via an ultrathin aryl monolayer gr...
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Zhigao Dang, Zhaoyong Mao and Wenlong Tian
Loud hydrodynamic noise is not only potentially harmful to the health of organisms in the ocean, but it is also a threat to the survival of underwater vehicles. Different from the general noise reduction technologies at present, a new idea for a flow-ind...
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Ebrahim Kadivar, Mazyar Dawoodian, Yuxing Lin and Ould el Moctar
Experimental investigations were conducted to uncover the impact of cavitation control?through the use of biomimetic riblets on cavitating flows around a circular cylinder. First, the dynamics of cavitation in the flow behind a finite cylinder (without r...
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I-Ching Kuan, Chia-Chi Lee, Bing-Hong Tsai, Shiow-Ling Lee, Wei-Ting Lee and Chi-Yang Yu
We entrapped lipase from Pseudomonas cepacia in polyallylamine-mediated biomimetic silica, and then applied entrapped lipase to the synthesis of biodiesel with soybean oil or waste cooking oil as a feedstock. The effects of reaction tempera...
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Faezeh Ghorbanizamani, Hichem Moulahoum, Emine Guler Celik and Suna Timur
The growing demand for personalized treatments and the constant observation of vital signs for extended periods could positively solve the problematic concerns associated with the necessity for patient control and hospitalization. The impressive developm...
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Evangelos S. Filippas, George P. Papadakis and Kostas A. Belibassakis
Flapping foils located beneath or to the side of the hull of the ship can be used as unsteady thrusters, augmenting ship propulsion in waves. The basic setup is composed of a horizontal wing, which undergoes an induced vertical motion due to the ship?s r...
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Panagiotis E. Koutsogiannakis, Evangelos S. Filippas and Kostas A. Belibassakis
A biomimetic semi-activated oscillating-foil device with multiple foils in a parallel configuration is studied for the extraction of marine renewable energy. For the present investigation, an unsteady boundary element method (BEM) is used for the simulat...
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