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1964 articles for “5” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Performance Comparison of Plantain Stem Fibre, Palm Fruit Fibre and Banana Stem Fibre for Remediation
Abstract: This thesis goes on to show how each bioadsorbent works in a packed bed unit connected in series to remediate or treat contaminated fresh water medium using petroleum hydrocarbons, or crude oil. The purpose of this study was to determine the efficacy of plantain, banana, and palm bunch fibers with diameters of 50 µm, 150 µm, and 200 µm in treating contaminated water media. In each packed bed unit, the …
Published in Emerging Trends in Chemical Engineering · Vol. 10, Issue 3, 2023 · pp. 27–36 Read article
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Friction and Wear Response of CottonSeed Oils and Esterified CottonSeed Oil and their Blends with Mineral Engine Oil in a Reciprocating Sliding Contact at Severe Contact Conditions
Abstract: Many studies investigating the tribological performance of pure cottonseed and other bio-based oils have been conducted; a better understanding of vegetable oil tribologicalperformance at extreme conditions is still required. Little work has been carried out to studythe effect of vegetable oils on the performance of a lubricant formed from a blend ofcottonseed oil and conventional mineral engine oil. This work presents the tribologicalperformance of esterified cottonseed oil, and their blends …
Published in Journal of Automobile Engineering and Applications · Vol. 6, Issue 2, 2019 · pp. 20–35 Read article
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An Experimental Analysis on Diesel Engine with Coil Cooler System by Numerical Approach
Abstract: Heat exchangers are very essential devices for the industrial applications such as power plant industries, refrigeration and air conditioning systems, and automobiles systems etc. One of the sources to produce electric power is diesel engine with generator called diesel generator. Diesel is a working fluid in this system. In general diesel generators are equipped with radiators or cooling tower systems for cooling the system. For low capacity diesel generators such …
Published in Journal of Automobile Engineering and Applications · Vol. 2, Issue 1, 2015 · pp. 8–15 Read article
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A Test on Diesel Engine Operated with Variation of Palm Oil and Diesel Fuel: A Research
Abstract: Palm oil (PO) is one of the vegetable oils that have potential for use as fuels for diesel engines. PO is renewable and is safe and easy to handle. The main objective of this research work was to optimize the performance and emission of four stroke, single cylinder, indirect injection, water cooled diesel engine operating on palm oil and diesel blend. A non-edible vegetable oil like palm oil is blended …
Published in Journal of Automobile Engineering and Applications · Vol. 3, Issue 2, 2016 · pp. 1–9 Read article
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Harnessing Solar Energy to Supply Power to Far Flung Areas and Challenges
Abstract: AbstractIncrease in land and air pollution during the conversion of energy sources of fossil fuel such as oil, coal and natural gas have their adverse effects on environment and ecology. Depleting quality of these sources raises the question of sustainability in the long run, there by compelled humanity to go in search of the other alternatives. In this context, the solar sources of energy have attracted the global attentions and …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 8, Issue 3, 2017 · pp. 50–58 Read article
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Multilevel Inverter Based PV System with MPPT Application
Abstract: Abstract: An improved MPPT converter with voltage and current (perturb & observe) method for photo voltaic (PV) and 5-level H-bridge multilevel inverter is connected to solar panel, applications is presented in this study. The proposed method used to implement maximum power point tracking (MPPT) and convert DC power into AC power by variable reference of voltage and current which is continuously changed during some time (up to 5 sec). In …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 1, 2019 · pp. 42–52 Read article
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Thermal and Thermoelectric Generation Using Geothermal Energy Extraction Through Cogeneration System
Abstract: The manuscript has focused on the evaluation of the improvement of energy efficiency in using geothermal energy for heat and electricity generation through additional thermoelectric production to conventional heat transfer processes. The proposed system uses Peltier rings made up of a serial and parallel Peltier cells grouping, as part of the upward and downward ducts that connect the geothermal heat exchanger and the surface heating system. The new system can …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 1, 2020 · pp. 58–71 Read article
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Power loss by blade deflection in flexible rotor wind turbines
Abstract: Effects of deflection onto the performance of small wind turbines with flexible rotor-blades have been studied and analysed. The goal of the study has been the evaluation of the wind turbine output power loss due to angular deflection because of bending effects caused by gravity. Wind turbine blades have been deformed under constant load at the tip of the blade for periods up to 40 days. Deformation process has been …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 12, Issue 3, 2021 · pp. 13–29 Read article
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Biodiesel Blends in Diesel by Improvement of Cold-Flow Properties of Karanja and Jatropha Biodiesel
Abstract: In this paper performance analysis of blends, Method for improving the cold-flow properties of jatropha and Karanja based biodiesel are described. Biodiesel fuels made from saturated fatty acids will have a greater cloud point and pour point than those obtained from unsaturated fatty acids. Thegoal of this study is to look at the cold flow parameters of 100% biodiesel and biodiesel mixes in diesel engines. The cold flow characteristics of …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 12, Issue 3, 2021 · pp. 1–12 Read article
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Extraction and Characterization of Antioxidants from the Seeds of Ethiopian Avocado Variety, Pinkerton
Abstract: The objective of this study was to extract and characterize the antioxidants from the Ethiopian avocado seeds of the Pinkerton variety, using ethanol as a solvent. Response surface methodology (RSM) in combination with Box-Behnken experimental design with a three level, three-factor mixture design was used to optimize the extraction condition for assessing the maximum yield of antioxidant from the avocado seeds. Ethanol concentration (%, v/v), temperature (°C) and time (h) …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 3, 2017 · pp. 49–56 Read article
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Bio-ethanol Production and Heavy Metal Lead (Pb) Removal Using Macro Algae Wolffia
Abstract: This study was aimed to evaluate the potential of using macro algae Wolffia for bio-ethanol production and for heavy metal Lead (Pb) biosorption. Macro algae Wolffia was collected locally from a pond. Pretreatment was given by using 1 and 10% sulphuric acid (H2SO4) to different batches of Wolffia. Fehling’s test was performed to check the presence of sugar. For the fermentation step Saccharomyces cerevisiae strain was used. Yield obtained using …
Published in Journal of Catalyst & Catalysis · Vol. 2, Issue 3, 2015 · pp. 23–39 Read article
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Review on Increasing the Kappa Reduction in Oxygen Delignification Stage at Pulp Mills
Abstract: The use of oxygen delignification in bleached kraft pulp mills to reduce the lignin content of pulp prior to final bleaching is increasing worldwide. However, oxygen treatments are normally limited to less than 50% lignin removal to avoid excessive loss of pulp strength potential. More selective oxygen delignification processes are required which can extend lignin removal beyond 50% while maintaining final pulp quality. Work reported here has shown that pulp …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 3, 2019 · pp. 36–42 Read article
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Effect of Particle Size Mix Ratio of Adsorbent for AGO and PMS Adsorption: The Monitoring of Hydrocarbon Utilizing Bacteria in Water Media
Abstract: The effect of particle size mix ratio of clay and agro-based material of Plantain Ogoni Red (POR), Banana Native (BN), Banana Ogoni Red (BOR) and Plantain Agbagba 1 was monitored in AGO and PMS adsorption process based on formulated adsorbents. The characteristics of hydrocarbon utilizing bacteria was monitored in both salt and fresh wager media upon the effect of particle size and contaminants medium. Different particle size and contaminant medium. …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 3, 2023 · pp. 08–16 Read article
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Geotechnical Assessment and Stabilisation of Lateritic Soils in Tarkwa Using Rice Husk Ash for Road Construction Purpose
Abstract: The cost effectiveness of upgrading gravel roads to a sealed standard has challenged road authorities to make optimum use of naturally occurring materials such as laterites as sub-base and base materials. Untreated laterites have presented problems such as pavement swelling and depression in road construction. This research seeks to assess and stabilise the geotechnical properties of some lateritic soils in Tarkwa using Rice Husk Ash for road construction purposes. Lateritic …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 1, 2019 · pp. 6–16 Read article
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Optimum Location of Shear Wall with Plan Irregularity of Multistoried Structure for Wind Analysis Using E-Tab
Abstract: Shear wall are used to elongate the strength and stiffness of structure, equal length and width of shear wall is maintained in the models, which are modeled in E-TAB software. In this chronicle, different irregular shapes “h” and “J” shapes are considered with different location of shear wall in it to see the structure in terms of reliability. The structure is 15 storied high which has height of 52 m …
Published in Journal of Construction Engineering, Technology & Management · Vol. 7, Issue 2, 2017 · pp. 7–11 Read article
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Utilization of Pond Ash as a Partial Replacement of Fine Aggregate Using Alccofine in Conventional Concrete
Abstract: Pond ash is the byproduct and is produce from coal plants. These plants release byproduct in major quantity which effects the environment. In this paper, an experimental work has been done on the conventional concrete with pond ash as replacement of fine aggregate. The grade of the concrete is M-40 and nine concrete mixes named as F1, F2, F3, G1, G2, G3, G4, G5 and G6 were prepared with different …
Published in Journal of Construction Engineering, Technology & Management · Vol. 7, Issue 2, 2017 · pp. 12–16 Read article
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Water Permeability of Hybrid Steel Fiber Reinforced Concrete
Abstract: Results of an investigation conducted to study the water permeability of (HySFRC) are presented. Steel fibers of different lengths, i.e., 12.5, 25 and 50 mm having constant diameter of 0.6 mm were systematically combined in different mix proportions to obtain mono, binary and ternary combinations corresponding to 0.5, 1.0 and 1.5% fiber volume fractions. A reference concrete mix containing no fibers was also cast for comparison purpose. A total number …
Published in Journal of Construction Engineering, Technology & Management · Vol. 4, Issue 2, 2014 · pp. 30–37 Read article
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Experimental Investigation of Mechanical Properties of Hybrid Fiber (Basalt and Steel) Reinforced Concrete
Abstract: The paper reports experimental investigations on hybrid-reinforced concrete. The proportion of basalt fiber and steel fiber was 50% respectively of the total fiber taken as sample. Effect of fiber on various strengths of concrete is studied. Fiber content varied from 0 to 4% at an interval of 1% by weight of cement. Various considerations for investigation are compressive strength, flexural strength, split tensile and bond strength. Cube of size 150 …
Published in Journal of Construction Engineering, Technology & Management · Vol. 3, Issue 2, 2013 · pp. 5–10 Read article
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Effect of Silica Fume on Recycled Aggregate Concrete
Abstract: Use of recycled aggregate (RA) in concrete can be useful for environmental protection and in economical terms. Recycled aggregates are the materials for the future. It is a well-known fact that it gives a little lower strength than natural aggregate concrete. Though, if used up to 20% of replacement, it can give almost similar strength as that of natural aggregate concrete. Hence, it is necessary to improve strength of recycled …
Published in Journal of Construction Engineering, Technology & Management · Vol. 2, Issue 1-3, 2012 · pp. 30–41 Read article
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Optimum Mixture Proportioning of Sawdust Ash Blended Sand-Stone Dust Blocks Using Scheffe’s Regression Theory
Abstract: This study carried out an experimental investigation on the compressive strength of sawdust ash blended sand-stone dust block of size 450 x 225 x 150 mm using Scheffe’s (5, 2) regression theory. The compressive strength of sawdust ash blended sand-stone dust blocks obtained based on fifteen trial mix ratios were used to develop the mathematical model while the results of the compressive strength values obtained based on the additional fifteen …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 2, 2023 · pp. 33–40 Read article