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63 articles for “submergence”
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Mechanical Properties and Temperature distributionofHard Facingof SS-304 steelby using SAW
Abstract: Surface engineering is a multidiscipline activity aimed at tailoring the properties or surfaces of engineering materials to improve their function or service life. Mostly; as applied to metals, surface engineering includes processes; such as plating, diffusion treatment, physical and chemical vapor deposition, ion implantation, thermal spray coatings, selective hardening, hard facing, and a variety of less-used and proprietary processes. However; these processes will be described briefly and it will be …
Published in Journal of Automobile Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 18–29 Read article
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OFDM Receiver Design Based on Adaptive Modulation and Channel Estimation for Underwater Acoustic Communication
Abstract: Submerged or under water acoustic communication (UWAC) is an intriguing area in communication research where we can expect to get a high information rate, a high throughput and a low latency which frequently is an exceptionally difficult assignment. In this work, we outline an OFDM receiver system that is reasonable for submerged acoustic communication in view of adaptive modulation and Kalman filter based channel estimation. We have concentrated on the …
Published in Recent Trends in Electronics Communication Systems · Vol. 4, Issue 1, 2017 · pp. 7–16 Read article
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Offshore structures toward speculative forms of loading
Abstract: Offshore structures have discovered on bases from highest wave form and rated stress effects while failure made harmonics has considered next appraisals from smaller resonating wave fronts of water. Affected in-situ additional variations have been wind, ocean wave’s buoyant forces, current loading, seismic loading and marine growth. Issued regular consider soil stability or pile soil interaction at leg of platform, score of water over submerged structures and strength appraisal conversion …
Published in Journal of Offshore Structure and Technology · Vol. 7, Issue 1, 2020 · pp. 25–31 Read article
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TiO2 Refined Flux Provides Significant Impact on Saw Bead Shape, Particle Size, and Hardness
Abstract: This experiment is very interested in how adding titanium dioxide powder to submerged arc welding on low alloy steel plates affects the bead geometry, grain size, and hardness. The commercial fluxes were combined with powdered titanium dioxide at varying concentrations (2.5%, 5%, 7.5%, 10%, and 12.5%). No changes were made to the welding process parameters despite the variety of welding situations. It has been shown that the inclusion of titanium …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 70–80 Read article
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Modification In Technology of Solar Water Distillation for Improving Performance Through Design of Rotating Cylinder
Abstract: A solar still uses sunlight to turn salty or dirty water into clean drinking water by evaporation and condensation. It is one of the best solutions for drinking water shortages and environmental issues, as well as being affordable and friendly to the ecosystem. The primary issue with using traditional solar power is still how inefficient it is. Prominent goal of experiment is to do alteration in existing solar still. A …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 398–404 Read article
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Study of Hydrophytes in Lakes of Bhadrawati Region, District-Chandrapur, Maharashtra, India
Abstract: Hydrophytes play a crucial role in aquatic ecosystems as good indicators of water pollution. The present survey was carried out from September 2023 to August 2024. During this study period, a total of 25 macrophytes belonging to 4 free-floating species, 7 free-floating suspended submerged species, 05 rooted floating leaves species, 6 rooted submerged species, and 3 rooted emergent species were observed in six lakes (Dhoodhala lake, Lendara lake, Mashanghat [Malhar] …
Published in Research & Reviews : Journal of Botany · Vol. 14, Issue 3, 2025 · pp. 16–28 Read article
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Hydrodynamic Analysis of Symmetrical Naca Airfoils: A CFD Simulation Approach
Abstract: This study presents a comprehensive numerical investigation of the hydrodynamic characteristics of selected NACA airfoil profiles using advanced computational fluid dynamics (CFD) simulations performed in ANSYS Fluent. The primary objective is to evaluate the fluid–structure interaction behavior of these airfoils when subjected to marine flow conditions relevant to offshore and submerged engineering applications. By modeling the interaction between incompressible fluid flow and various NACA geometries, the study systematically analyzes key …
Published in Journal of Offshore Structure and Technology · Vol. 13, Issue 1, 2026 · pp. 31–38 Read article
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Development of Intermittent Gas Lift Optimum Time Module Using Automatic Pneumatic System
Abstract: Artificial lift technique is used to bring hydrocarbons to the surface when they cannot come to the surface on their own. Gas lift is an artificial lift technique which is classified into continuous and intermittent gas lifts. Continuous gas lift is used when the hydrocarbon fills into the wellbore continuously but is not able to come to the surface while intermittent gas lift is used when the fluid flow into …
Published in Journal of Petroleum Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 40–50 Read article
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3D Finite Element Analysis of Marine Risers under Random Loads
Abstract: The dynamic response of marine risers under long crested random sea is obtained in time domain using finite element solver ABAQUS/AQUA. The response analysis is based on a simulation technique which duly considers various nonlinear effects such as relative velocity squared drag force, variable added mass due to variable submergence and nonlinearity due to large excursions. It also accounts for variable tension in the riser due to variable submergence, variable …
Published in Journal of Offshore Structure and Technology · Vol. 1, Issue 1, 2014 · pp. 46–52 Read article
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Nonlinear Three Dimensional Dynamic Analysis of Titanium Drilling Riser
Abstract: Titanium alloys are selected for a high-pressure drilling riser’s application due to its high specific strength, corrosion resistance, and favorable elastic properties. The qualification of this titanium alloy requires assessing its resistance to hydrogen embrittlement and stress corrosion cracking due to seawater with/without cathodic protection, evaluating its dynamic response under long crested random sea. The response analysis is based on a simulation technique which duly considers the various nonlinear effects …
Published in Journal of Offshore Structure and Technology · Vol. 2, Issue 2, 2015 · pp. 27–40 Read article
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Antibiofilm Activity of Thermal Evaporated Tin Oxide Thin Film
Abstract: Biofilm is the deposition of microorganisms and their products on a solid surface submerged in water, which is prevalent problem, responsible for the degradation of the surface over the time. Elimination of microorganisms from submerged solid surface is enormously important process to reduce degradation of that surface. Recently, Tin Oxide (SnO2) nanoparticles have attracted the attention of researchers for its antibacterial property due to hydrophobic and non-toxic nature. Thin films …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 3, 2015 · pp. 1–5 Read article
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Conventional and Molecular Breeding for Abiotic Stresses Tolerance in Rice
Abstract: AbstractAbiotic stress as a consequence of climate change has affected a large proportion of the rice growing areas of the world. Drought is a complex trait and breeding for drought tolerance requires incorporation of morphological, physiological and several biochemical characters imparting in tolerance. Rice is a salt sensitive crop and excessive saline or sodic soil has a limiting effect on its productivity. Genotypic variation for abiotic stress has been observed …
Published in Research & Reviews : Journal of Ecology · Vol. 3, Issue 3, 2014 · pp. 8–11 Read article
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Geomorphological Dynamic of Mangala Cut of Puri District, Odisha: A Geospatial Approach
Abstract: Odisha rivers are east flowing and the Mahanadi is the largest river in Odisha. The river Bhargavi is the southern branch river of Mahanadi, which flows to Chilika lagoon parallel with Bay of Bengal. In the year 1929, the toposheet has no information about Mangala cut. In the year 1937, it was made for controlling flood in Bhargavi river. The Mangala cut was constructed to get relief from the regular …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 5, Issue 3, 2016 · pp. 1–6 Read article
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GIS and Remote Sensing in Mapping Aquatic Vegetation, The Food Source of Waterfowl
Abstract: Carrying out time and cost effective field surveys has always been a great concern of ecological studies of a large spatial scale. We studied the possibilities to map the distribution of submerged aquatic vegetation in a shallow lake using satellite imagery. We also went further to investigate the relationship of the predicted biomass per creek and bird densities. The study was carried out with an IKONOS image of the Lauwersmeer …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 4, Issue 2, 2015 · pp. 1–10 Read article
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Floating Cities from Concept to Creation :Neighbourhood Guide to the Future Development
Abstract: Today cities are overpopulated and only 40% of space is left to house the world's population by 2050. Due to ever rising sea level 90% of coastal cities will be affected by flooding by the end of the century. This research aims to study about the floating city as a substitute. Floating cities shape to construct all of the infrastructure required for a water-based metropolis while also providing contextual space …
Published in International Journal of Urban Design and Development · pp. 28–34 Read article
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Improving Polymer Composite Properties Through Reinforcement Learning Guided Prototyping A Novel Approach for Material Engineering
Abstract: Innovative approaches integrating reinforcement learning (RL) and machine learning (ML) into the fields of polymer composite prototyping and soft actuator manufacturing for applications. This new an algorithm utilizing RL optimizes polymer composite fabrication parameters to enhance material properties efficiently. By iteratively adjusting parameters based on predefined objectives, the RL agent guides the prototyping process, promising to revolutionize polymer composite engineering. A finest control method for locked loop control of Shape …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 208–218 Read article
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Silent Submarine Propulsion with High-Efficiency Magnetohydrodynamic Drive
Abstract: Magnetohydrodynamic (MHD) propulsion is an exciting technology that can be easily incorporated into a new submarine or existing one can also be upgraded by replacing the propeller drive with a MHD drive without difficulty. This new technology would provide many advantages like a stealth operation, no cavitation, greater maneuverability, increased payload, addition of an emergency drive system, etc. The design of an MHD motor is very simple and consists of …
Published in Trends in Mechanical Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 41–55 Read article
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Evaluation of Metal Coupons Corrosions in Fresh Water Environment at Different Water Depths Using Finite Element Analysis
Abstract: This research addressed the effects of water depths and quality on corrosion of submerged metal structures in the water body considering environmental conditions. The depths considered were 30cm to 150cm. Four different metal coupons were selected (Mild Steel, Copper Steel, Carbon Steel and Stainless Steel] Galerkin`s finite element techniques was applied to evaluate the relationship between diffusion and weight loss, also velocity and weight loss at different water depths. The …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 3, Issue 1, 2025 · pp. 27–50 Read article
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Production And Purification of Amylase Through Bacterial Strain
Abstract: Amylases are important industrial enzymes with use in detergents, brewing, and food processing because of their ability to hydrolyze starch. In this research, the production and optimization of α-amylase from a potato soil isolated bacterium using agro-waste as a carbon source is investigated. The isolate had a hydrolytic zone of 13.33 mm and the highest activity of 545 U/mL under submerged fermentation with 1% starch. Optimum conditions were pH 7.0, …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 15, Issue 2, 2025 · pp. 1–10 Read article
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Durability Assessment of Geopolymer and OPC Concretes under Chloride and Sulphate Chemical Attack
Abstract: The main problems with durable concrete constructions are attacks by sulphates and chlorides on concrete. The primary objective of this study is to evaluate how the strength properties of concrete are affected by the incorporation of fly ash when exposed to environmental conditions involving sulphate and chloride solutions. In this research, geopolymer concrete (GPC) is utilized as a replacement for conventional ordinary Portland cement (OPC). The concrete composition is prepared …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 202–218 Read article