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397 articles for “Stability”
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Stability Analysis of Mahua Seed and Waste Polystyrene Co-pyrolytic Oil
Abstract: Biomass pyrolytic oil is a complex mixture of organic compounds and obtained in a non-equilibrium state. Hence, the physical properties of bio-oil such as calorific value, viscosity, pH, density, flow ability and chemical compositions vary during storage. In this study, co-pyrolysis of Mahua seed was performed with waste polystyrene and studied the fuel properties and composition. The co-pyrolytic oil was produced at 2:1 ratio of seed to waste polystyrene using …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 2, Issue 1, 2016 · pp. 1–7 Read article
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Strength and Durability Characteristics of Stabilized Compressed Laterite Soil Bricks
Abstract: In this experimental investigation the required numbers of test bricks were moulded for the various percentage proportionate of laterite soil, such as, 91%, 90%, 89%, and 88%, stabilized with various percentage of cement stabilizer viz 4, 5, 6 and 7%, respectively, along with 5% addition of sand constantly; compacted with a hydraulic press paver block and brick making machine. Based on the obtained results laterite soil bricks can be used …
Published in International Journal of Construction Engineering and Planning · Vol. 4, Issue 1, 2018 · pp. 58–64 Read article
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Susceptibility Behaviour of Asphalt Concretes Under Varying Mix Temperature Conditions: Study on Stability and Flow
Abstract: Understanding the behaviour of flexible pavements synonymous with asphalt concretes is one that can be complex due to the make-up of the pavement (asphalt concrete) and the external factors that impedes its performance from production stage to service life. The present study had considered one of the most damaging factors to asphalt concrete – mix temperature; and its effect on some of the mix design properties of asphalt concrete that …
Published in International Journal of Concrete Technology · Vol. 3, Issue 1, 2017 · pp. 1–7 Read article
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Properties of Bentonite Stabilised with Fluorogypsum
Abstract: This paper presents the properties of the bentonite stabilised with fluorogypsum. For this purpose, commercially available bentonite and fluorogypsum were used in this investigation. The fluorogypsum content and the curing period were varied from 0% to 10 % and 0 to 28 days respectively. Compaction tests results reveal that the maximum dry unit weight increases and optimum moisture content decreases with the increase in the fluorogypsum content to the bentonite. …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 6, Issue 1, 2020 · pp. 43–53 Read article
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Simplified Analytical and Numerical Analysis for Stability of Tunnel and Foundation Containing Sloping Ground
Abstract: Tunnel, foundation and superstructure effect on the stability of slope. Numerical and simplified analytical analyses evaluate behavior of slope under various conditions. However, factor of safety indicates failure criteria of slope. Present research develops some simplified analytical formulae for a specific model and numerical code (PLAXIS 3D) performs finite element analysis of this model. During numerical analysis considers Mohr-Coulomb material model and drained condition. Factor of safety assesses from variations …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 7, Issue 2, 2021 · pp. 24–34 Read article
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Modeling the Shape of Compaction Curve for Asphalt Stabilized Soil
Abstract: The knowledge and modeling of the exact shape of the laboratory compaction curve provides a means for a good understanding of the susceptibility of soil to water. The models provide effective means for quantifying the sensitivity of the compaction process to the various factors affecting the process. The basic mathematical description of soil compaction is the relationship between molding moisture and the dry density. Two types of soil and three …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 2, Issue 1, 2016 · pp. 10–21 Read article
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Stabilization using Waste plastic for Subgrade soil
Abstract: The Biggest challenge in a developing country like India is to build infrastructure system especially roads with limited financial source available. Use of local materials can considerably lower down the construction cost. If the stability of local soil is not adequate for supporting wheel loads, the properties are improved by soil stabilization techniques e.g. use of waste material obtained from industries or waste plastic in the subgrade soil, this can …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 4, Issue 2, 2018 · pp. 14–17 Read article
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Magnetohydrodynamic Instabilities in Liquid Metal Batteries: A Study of Metal Pad Roll Dynamics and Stability Thresholds
Abstract: This paper presents a comprehensive study on the metal pad roll instability (MPRI) in liquid metal batteries (LMBs), a key phenomenon driven by magnetohydrodynamic (MHD) forces. LMBs, which are poised to revolutionize grid-scale energy storage due to their low cost, long lifespan, and high current density, face critical challenges due to instabilities that can compromise operational stability. This work characterizes the MPRI in cylindrical reduction cells and offers theoretical formulations, …
Published in International Journal of Energetic Materials · Vol. 10, Issue 2, 2024 · pp. 7–11 Read article
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Performance Enhancement of Cold Mix Asphalt via FlyAsh Substitution: Marshal Stability Results
Abstract: This study examines the enhancement of cold mix asphalt (CMA) performance through the substitution of fly ash at varying percentages. Specifically, Marshal stability tests were conducted on CMA mixtures with fly ash content of 0%, 2.5%, 5%, and 7.5%. The results reveal a significant increase in peak loads, with the CMA mixture containing no fly ash achieving a peak load of 0.62 kN, while mixtures with 2.5%, 5%, and 7.5% …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 1, 2024 · pp. 16–21 Read article
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Isolation and Stability Studies of Dried Protein Fractions from Three Leguminous Seeds: Glycine max, Vignaunguiculata and Parkiabiglobasa
Abstract: Soya bean (Glycine max), Cowpea (Vignaunguiculata) and Locust bean (Parkiabiglobosa), three of Nigeria’s widely eating foods were exploited for their protein content. Dried protein isolates using aqueous NaOH were obtained, dried and subjected to DPPH stabilty antioxidant analysis at different pH. The % crude protein, by proximate analysis was high, which indicates that all the seeds can support the isolation of dried protein powder needed for the experiment. Soya seed …
Published in International Journal of Agrochemistry · Vol. 5, Issue 1, 2019 · pp. 28–40 Read article
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Analysis of Stability of Slope Subjected to Blast Vibrations: A Numerical Modelling Approach
Abstract: Numerical simulation was employed to estimate the dynamic behaviour of the canal slope under blasting load based on the blast vibration field test of Yanakandla Mine, Kurnool District of Andhra Pradesh. Blast vibrations were monitored at different distances and based on the data obtained a regression curve was generated. The study consisted of slope stability analysis of the canal near the mine using Distinct Element Modelling technique in 3DEC software. …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 2, Issue 1, 2016 · pp. 39–47 Read article
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Soil Stabilization with Waste Shredded Rubber Tyre Chips
Abstract: Soil stabilization means modification of the soil properties by the addition of any other material to meet the required engineering requirements. Construction engineering structures on the weak soils are considered to be unsafe. The load bearing capacity of these weak soils can be improved by means of various ground improvement techniques. Use of waste shredded rubber tyre chips in geotechnical engineering for enhancing the soil properties has received great attention …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 1, 2017 · pp. 1–7 Read article
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Simulation, Analysis, and Stability Using Matlab of Photovoltaic Solar Power System
Abstract: ABSTRACTA worldwide installation of solar photovoltaic (PV) systems was observed. It is determined mostly through demand to "clean" power generation for future mixed power systems connected through large no. of power electronics converters, grid-based PV systems will be also a very active player. There have been stringent demands on the complete PV network (NW) to accomplish effective and efficient PV power generation. In return, it advances power converter technology development …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 2, 2019 · pp. 20–30 Read article
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Enhancing Soil Stabilization with Chitosan Biopolymer Integration
Abstract: In this work, clay soil is stabilized using a biocompatible chitosan solution derived from shrimp shell waste. The biopolymer chitosan has attracted attention in the field of geoenvironmental studies because of its possible applications in the absorption of heavy metals, the mitigation of soil erosion, and the improvement of hydraulic conductivity. However, a thorough investigation into its impact on the mechanical properties of soil has not yet been conducted. A …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 1, 2023 · pp. 35–56 Read article
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A review on properties, stability mechanism, preparation method and application of Nanofluid
Abstract: Recent researches have showed that nanofluids are able to provide cooling system with higher heat transfer coefficient. This problem has been solved by the conversion of conventional fluids into nanofluids. A novel category of fluids with the mixture of nanoparticles (Size range of 1-100nm) in the host fluid is known as nanofluids. This paper focuses on the recent advancements in the study of nanofluids such as feature, limitation, various materials, …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 2, 2018 · pp. 31–40 Read article
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Effects of Coupling Agent and Nanoclay on the Mechanical, Morphological and Dimensional Stability of Natural Fiber/Polypropylene Composites
Abstract: Polymer nanocomposite is made up of polymer as a matrix ingredient and reinforcement ingredient as a filler in the form of nanometer particles. These ingredients have dissimilar physical and chemical features and are mixed to generate sole features of nanocomposites. Polypropylene (PP) was nominated as the polymer matrix ingredient. Reinforcement ingredients used include organically modified montmorillonite with natural fiber. Various composites based on polypropylene, natural fiber, and organically modified montmorillonite …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 1, 2022 · pp. 9–18 Read article
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Stability Analysis of Type-III Wind Turbine Systems Using Radial Basis Function Networks (RBFNs)
Abstract: To accomplish power smoothing, contemporary controllers like adaptive and predictive controllers are used on both the machine and grid sides. Effective machine-side torque control requires robust technologies. Under order to maintain stable performance under nonlinear circumstances, this work employs the sliding mode control technique to control the pitch angle during disturbances. Even in situations where wind conditions fluctuate, the sliding mode control approach optimizes wind power generation by effectively resolving …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 10, Issue 2, 2024 · pp. 25–42 Read article
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A Review on Adaptive Back Stepping Sliding Mode Control on Type 1 Diabetics
Abstract: Making the system state "slide" along a predetermined surface is the goal of the robust controlmethod known as sliding mode control. The sliding surface ensure that the system remains stable evenin the presence of uncertainties or disturbances. Backstepping is a recursive control design methodthat breaks down complex control problems into simpler subsystems. It constructs a series ofLyapunov functions to stabilize each subsystem, eventually achieving stability for the entire system.Based on …
Published in International Journal of Microwave Engineering and Technology · Vol. 10, Issue 1, 2024 · pp. 14–23 Read article
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Study of Architectural Features and Stability of Ancient Military Defence Type Island Fort of Medhakot in Konkan Coast of India
Abstract: The Medhakot or Murud Janjira is a Water Fort (Jal Durg) and it is categorized under Sea Island Fort of India. It was constructed primarily by Raja Ram Rao Patil, Chief Kolis of Rajapuri Village in 16th Century. It was known as Medhakot Fort in coastal region of Koliwada. Later it was captured by Sidis [1] who had been occupied it until the independence of India in 1947. The fort …
Published in International Journal of Architectural Heritage · Vol. 3, Issue 2, 2020 · pp. 31–37 Read article
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ISONIAZID STABILIZED TUNGSTEN TRICARBONYL COMPLEX: A NEW CO-RELEASING MOLECULE WITH ANTIBACTERIAL ACTIVITY
Abstract: Transition metal carbonyl complexes substituted with biologically active ligand can act as CO-releasing molecules which have beneficial roles including antimicrobial activity. Careful choices of ancillary ligand such as isoniazid help in eliminating issues of toxicity that may arise from drug substrates. Substitution reaction of tungsten hexacarbonyl with isoniazid in the presence of trimethylamine N-oxide under nitrogen atmosphere was carried out at ambient temperature for 72 hrs. The product was characterized …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 36–43 Read article