نتایج جستجو برای: hulls ship
تعداد نتایج: 18797 فیلتر نتایج به سال:
grown in exploring AI approaches to design problems, both because of the enormous potential impact on productivity of improved design tools and because of the interesting basic AI issues that these problems raise. In particular, a number of ship designers and AI researchers recently became interested in applying AI to the hydrodynamic design of ship hulls. A typical problem here is to design th...
Changes in chemical composition and digestibility of peanut hulls after a variety of thermochemical treatments were monitored. Mineral acids and base under elevated temperature (121°C) were generally ineffective for decreasing the fibrous, lignocellulosic component of the hulls. Only nitric acid-treatment effectively decreased the relative lignin content of the hulls. The 1ignin:nitrogen ratio ...
Hull roughness significantly increases ship resistance, power, and fuel consumption. Although it is typically spatially heterogeneous, little research has dealt with heterogeneously distributed on hulls. Therefore, this study investigates the heterogeneous hull effect resistance using Computational Fluid Dynamics (CFD). A series of CFD simulations were conducted KRISO Container Ship (KSC) model...
A method for determination of juglone in leaves and hulls of Pterocarya fraxinifolia was developed, based on RP-HPLC. This compound was extracted from leaves and hulls by chloroform refluxing about 2 hours. The chloroform was evaporated under low pressure at 50 ºC to produce a dry residue. The remained materials were dissolved in acetonitrile to be used for determination of this compound....
As a typical multi-hull ship, the pentamaran has wider deck, higher damage stability, and low-speed seaworthiness in harsh sea conditions compared with other types such as catamaran trimaran, having more potential for becoming new type of freight merchant ship line development trend marine economy. In this paper, on basis finite volume method, numerical simulations detailed comparative analysis...
a method for determination of juglone in leaves and hulls of pterocarya fraxinifolia was developed, based on rp-hplc. this compound was extracted from leaves and hulls by chloroform refluxing about 2 hours. the chloroform was evaporated under low pressure at 50 ºc to produce a dry residue. the remained materials were dissolved in acetonitrile to be used for determination of this compound. app...
The research was carried out by numerical methods of small scientific trimaran boat with ADCP-profiler as ship's appendages in the range Froude numbers from 0,19 - 0,316. For тnumerical simulation used FineMarineTM software. Numerical modeling performed for a without an installed and two mounting options at different locations along length depth. Two types fastening were studied. Mounting devic...
Superhydrophobic surfaces of plants and animals are of great interest for biomimetic applications. Whereas the self-cleaning properties of superhydrophobic surfaces have been extensively investigated, their ability to retain an air film while submerged under water has not, in the past, received much attention. Nevertheless, air retaining surfaces are of great economic and ecological interest be...
This paper reports on a model-assisted bundle adjustment (BA) framework in which visually-derived features are fused with an underlying three-dimensional (3D) mesh provided a priori. By using an approach inspired by the expectationmaximization (EM) class of algorithms, we introduce a hidden binary label for each visual feature that indicates if that feature is considered part of the nominal mod...
The data presented in this article are related to the research article entitled "Smart photo-induced silicone/TiO2 nanocomposites with dominant [110] exposed surfaces for self-cleaning foul-release coatings of ship hulls" (Selimet al., 2016) [1]. This article reports on successfully designing and controlling TiO2 spherical single crystal photo-nanofillers and indicating evidence of fouling resi...
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