Search
648 articles for “pre-experimental study”
-
Experimental Study on the Surface Properties of Coconut Husk Fiber and Banana Fiber Treated with Sodium Lauryl Sulfate
Abstract: The focus of modern research is on using natural, biodegradable, and renewable materials in place of synthetic ones. Composites made from natural fibers are undergoing extensive research because of their unusual characteristics and eco-friendliness. Natural fibers have the benefits of being readily available, simple to handle, and biodegradable. One of the best ways to improve the mechanical characteristics of polymer is to reinforce it with natural fibers. With hybrid composites, …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 13–24 Read article
-
Biodiesel production using waste cooking oil: influence of catalysts on reaction parameters
Abstract: Over a century ago, Rudolf Diesel tested the used of vegetable oil as fuel for his automotive engine, several years later, bio-based diesel obtain from trans-esterification of animal fats or vegetable oils in presence of catalyst have been used as alternative automotive fuels to safe guard the environment and avoid global warming. Cost of production process has limited the diversification and generalizes usage of biodiesel, thus exploring avenues for cost …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 7, Issue 1, 2021 · pp. 1–8 Read article
-
Experimental Investigation of Concrete Properties for Strength and Durability with Partial Replacement of Mixture of Nano-Silica
Abstract: This study explores the effects of partial cement replacement with nano-silica on theproperties of concrete, focusing on both strength and durability aspects. Compressive strengthtests were conducted at two key ages, 7 days and 28 days, to evaluate the concrete's performanceunder various conditions. The nano-silica was introduced into the concrete mix at three differentpercentages: 0.3%, 0.6%, and 1% by weight of the cement content. Our experimental findingsindicated a remarkable enhancement in …
Published in International Journal of Concrete Technology · Vol. 9, Issue 2, 2023 · pp. 1–7 Read article
-
The Effectiveness of Autogenic Relaxation on Reducing the Level of Depression among Elderly People Residing in Old Age Homes
Abstract: Introduction:Aging is a worldwide issue in our society; elderly people living in old age homes may suffer from sadness, pain, and isolation. Depression is a common condition in the elderly that negatively affects numerous parts of their lives. Autogenic therapy uses visual imagery and body awareness to promote a state of deep relaxation. A detached but alert state of mind called "passive concentration" must be achieved for autogenic therapy exercises …
Published in International Journal of Geriatric Nursing · Vol. 3, Issue 1, 2020 · pp. 8–15 Read article
-
Evaluating Remedy of Oil Polluted Environment Using Fermented Cassava Liquid
Abstract: A 28-day experimental investigation was conducted to evaluate the effectiveness of fermented cassava liquid in the bioremediation of crude oil-contaminated soils. Three soil types, namely clay, sandy-loamy, and swampy soils, were examined. Cassava liquid was fermented for six days to allow sufficient microbial growth before being introduced into the contaminated soil samples. Uninoculated contaminated soil served as the control. Soil samples were collected at one-week intervals throughout the study for …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 12, Issue 2, 2026 Read article
-
Bioethanol Production from Corncob Cellulosic Biomass: RSM and ANN based Optimization for Dilute Acid Pretreatment
Abstract: To increase the yield of fermentable sugars, the complexity of lignocellulosic biomass requires a pretreatment method. Dilute acid hydrolysis was used to efficiently pretreatment corn cobs. The aim of this study was to characterize corncob and investigate the effect of process parameters on total reducing sugar (TRS) yield during dilute acid hydrolysis pretreatment of corncob biomass. The morphology and microstructure of the samples were examined using an X-ray diffraction machine, …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 2, 2023 · pp. 16–34 Read article
-
Velocity and Concentration Distribution of Turbidity Currents
Abstract: AbstractThis study conducts a comprehensive analysis of the velocity and concentration characteristics withinturbidity currents, focusing on detailed evaluations of the hydrodynamic and sediment transportproperties. The investigation includes separate calculations for the velocity and concentrationdistributions within the near-boundary and jet regions, allowing for an in-depth comparison betweenthese distinct flow areas. By computing dimensionless profiles of both velocity and concentration, thestudy offers a visual representation of flow behaviors and sediment patterns, which …
Published in International Journal of Water Resources Engineering · Vol. 10, Issue 2, 2024 · pp. 15–22 Read article
-
OPTIMIZING MAGNETIC BEHAVIOR OF NANO-CRYSTALLINE CO2CrAl TYPE HEUSLER ALLOY POWDER USING RESPONSE SURFACE METHODOLOGY
Abstract: In the present work, Co2CrAl heusler alloy powder prepared successfully from premix basic powders of Cobalt (Co), Chromium (Cr) and Aluminium (Al) in stoichiometric of 60Co-26Cr-14Al (weight %) by novelistic mechano-chemical route. Mgnetic properties of mechanically alloyed powders were characterized by vibrating sample magnetometer (VSM). The performed experiment has been designed on the basis of 2 factor 5 level response surface methodology. Experimental results were used to develop a mathematical …
Published in International Journal of Energetic Materials · Vol. 6, Issue 1, 2020 · pp. 7–13 Read article
-
Rural electrification through micro-grid design case study
Abstract: We introduce the design and experimental demonstration of a scalable DC micro-grid for rural electrification in the developing regions. The distributed control of the grid voltage is one of the main features of the DC micro-grid architecture, which allows both instantaneous power sharing and a metric for available grid power. A droop-voltage power-sharing scheme is utilized wherein the bus voltage decreases in response to low supply/high demand. Besides that, the …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 12, Issue 1, 2026 · pp. 1–8 Read article
-
Rural electrification through micro-grid design case study
Abstract: We introduce the design and experimental demonstration of a scalable DC micro-grid for rural electrification in the developing regions. The distributed control of the grid voltage is one of the main features of the DC micro-grid architecture, which allows both instantaneous power sharing and a metric for available grid power. A droop-voltage power-sharing scheme is utilized wherein the bus voltage decreases in response to low supply/high demand. Besides that, the …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 12, Issue 1, 2026 Read article
-
Air-Powered Cars
Abstract: This paper is reporting an experimental investigation of an engine driven by compressed air. The compressed-air engine is modified from a four-stroke working engine to two-stroke working engine (power and exhaust) by modification of cam-gear system. The project was successfully manufactured and tested. Experimental results were carried out on this modified engine to find out its performance characteristics like brake power, mechanical efficiency, indicated power, torque, etc. It should be …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 1, 2019 · pp. 41–44 Read article
-
Seaweed Mediated Biosynthesis of Silver Nanoparticles Using Gracilaria fergusonii J.Ag. Collected From Hare Island, Thoothukudi in the South East Coast of Tamil Nadu, India
Abstract: In the present study silver nanoparticles were synthesized using the aqueous extract of red seaweed Gracilaria fergusonii J.Ag. as the reducing agent. The formation of silver nanoparticles was confirmed by colour change from light yellow to dark brownish red, UV– visible spectroscopy, FT-IR, X-ray diffraction method (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray microanalysis spectroscopy (EDS). The anoparticles showed an absorbance at 442 nm on UV–visible spectroscopy. The …
Published in International Journal of Plant Biotechnology · Vol. 1, Issue 1-2, 2015 · pp. 50–57 Read article
-
Statistical Modeling of Diffusion of Heavy Metals from Waste Oil in Soil Environment Using Regression Analysis
Abstract: Regression analysis is a statistical tool or method used to estimate the relationship between dependent variable and one or more independent variables. The diffusion and statistical model of heavy metals in soil are critical factors influencing pollutant migration and environmental remediation strategies. Understanding the diffusion and statistical method of analyzing the adsorption of heavy metals in soils is crucial for assessing environmental contamination and designing effective remediation strategies. This study …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 2, 2025 · pp. 1–15 Read article
-
Anti-anxiety Evaluation of Hydroalcoholic Root Extract of Lagerstroemia speciosa in Swiss Albino Rats
Abstract: After going through numerous pharmaceutical databases for reviewing the present status regarding the exploration of anti-anxiety potentials of root hydroalcoholic extract of Lagerstroemia speciosa (Family: Lythraceae), no such reports have been found so far. Therefore, the necessity of anti-anxiety exploration was taken into account for investigating the above through the EPM model. The L. speciosa root hydroalcoholic extract demonstrated an excellent reduction of anxiety in the experimental animals. This exploration …
Published in International Journal of Animal Biotechnology and Applications · Vol. 6, Issue 1, 2020 · pp. 6–9 Read article
-
An Experimental Study on Concrete by Replacement of Coarse Aggregate with Demolished Building Waste in Crushed Concrete
Abstract: A large amount of construction and demolition wastes are produced annually in India. These waste materials require a large place to dispose and then the disposal of wastes has become a severe problem. The continuous use of natural resources for making conventional concrete leads to the reduction in their availability and results in the increase of the cost of the coarse aggregate and fine aggregate. The possible use of recycling …
Published in International Journal of Concrete Technology · Vol. 4, Issue 1, 2018 · pp. 25–28 Read article
-
DEVELOPING A DRIVER DROWSINESS DETECTION SYSTEM (DDDS)
Abstract: Driver drowsiness accounts for over 18% of all traffic accidents in India, making it a major contributing factor. This study proposes a real-time, edge-based Driver Drowsiness Detection System (DDDS) that detects early fatigue signs and alerts drivers prior to accidents. The system employs a multimodal, bimodule strategy. In order to track face traits such eye closure, blink rate, yawning, head position, and gaze direction, the first module uses computer vision. …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 12, Issue 2, 2026 Read article
-
Study of Analysis, Design and Performance of Fin
Abstract: This paper discusses the use of extended surface heat transfer in heat exchangers. The size and cost of an exchanger is dependent upon the heat duty, the allowable pressure drop, and the geometry of the heat transfer area. The dominance of this resistance is often broken by the use of extended surfaces (fins), which will result in a lower area and hence smaller exchanger. This paper will consider which, if …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 3, Issue 2, 2017 · pp. 23–28 Read article
-
Plasmonic Devices for Electromagnetic Wave Concentration
Abstract: The EOT effect is enhanced by the concentration of EM waves. We explored optical transmission through arrays of nanohole pairs and found that the EOT effect through subwavelength nanoholes is enhanced by the confinement of electric field, and that the transmission is substantially higher than predicted. The optical transmission capabilities of arrays of isolated nanohole pairs and bridging nanohole pairs in gold with various geometrical configurations were explored and investigated …
Published in International Journal of Applied Nanotechnology · Vol. 8, Issue 1, 2022 · pp. 23–29 Read article
-
Recent Advances in the Development and Performance Optimization of Advanced Metallic Alloys
Abstract: The continuous demand for high-performance materials in aerospace, automotive, energy, and biomedical industries has accelerated research and development in advanced metallic alloys. Metallurgy and alloy design play a crucial role in achieving superior mechanical, thermal, and chemical properties while maintaining cost efficiency and sustainability. This study presents a comprehensive overview of recent advances in metallic alloy development, focusing on novel alloying strategies, microstructural control, and performance optimization techniques. Emphasis is …
Published in International Journal of Metallurgy and Alloys · Vol. 12, Issue 1, 2026 · pp. 1–6 Read article
-
Effectiveness of Back Massage on the Level of Anxiety Among Patients Posted for Cardiac Catheterization in Cardiology Ward, Government Rajaji Hospital, Madurai
Abstract: Title: Effectiveness of back massage on the level of anxiety among patients posted for cardiac catheterization in cardiology ward at Government Rajaji Hospital, Madurai. Objectives: To assess the level of anxiety. To evaluate the effectiveness of back massage on level of anxiety in experimental group. To associate the level of anxiety among patients posted for cardiac catheterization with their selected sociodemographic and clinical variables. Hypotheses: H1—There is a significant difference …
Published in International Journal of Cardiovascular Nursing · Vol. 7, Issue 1, 2021 · pp. 1–30 Read article