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1122 articles for “Concentricity”
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Examination of the Physicochemical Properties of Lube Oil on the Effect of Load Utilization in a Generator Set
Abstract: Evaluation of the performance of lube oil in the generator on the effect of load utilization was studied to examine the effect on the quality. The continuous running of the generator set, and the load utilization reduces the quality of the lube oil which influences the operational performance. The quality of the lube oil used in servicing generator set experienced degradation with increase in operational hours as well as loss …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 1, 2022 · pp. 1–9 Read article
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Investigating the Influence of Process Parameters on Photochemical Machining of Phosphor Bronze Alloy Microchannels
Abstract: Microchannels are widely employed in microfluidic devices, biomedical systems, and compact heat exchangers, where their functional efficiency depends strongly on surface finish, dimensional control, and edge quality. Traditional machining techniques often face limitations in producing such features with the required precision, prompting the use of advanced micromachining methods. In the present work, photochemical machining (PCM) has been applied to fabricate serpentine-shaped microchannels in phosphor bronze. The study systematically investigates the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 837–846 Read article
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Optimization of Sulphuric Acid Hydrolysis Process for Fermentable Sugars from Lignocellulosic Content of Wood Sawdust for Production of Cellulosic Ethanol
Abstract: The aim of this study was to investigate the optimization of acid hydrolysis process for fermentable sugars from the lignocellulosic content of wood sawdust for cellulosic ethanol production. In this study, four process parameters were investigated; acid concentration (3-7%), solid fraction (8-12ml/gm), temperature (100-120oC) and time (90-150minutes). The total reducing sugar content of hydrolyzed solutions was analyzed using Phenol-Sulfuric Acid method. The result of the statically analysis 2mm particle size …
Published in Emerging Trends in Chemical Engineering · Vol. 7, Issue 1, 2020 · pp. 10–18 Read article
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Formation of Anolyte and Catholyte Types of Water during electrolysis and their Effect on Living Organisms
Abstract: During electrolysis, an anolyte (dead water) and catholyte (living water) solutions are formed. Anolyte promotes metabolic processes, and is also mild antiseptic. The disinfecting effect of the anolyte is equivalent to treatment with iodine, brilliant green, hydrogen peroxide, without causing chemical burns of living tissues and not staining them. The living water, being a catholyte, has enhanced bio stimulating properties. It has a beneficial effect on the human organism, enhancing …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 3, 2021 · pp. 34–40 Read article
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Comparison Between Theoretical, Analytical and Experimental Vibration Analysis Method and Different Circular Tile Cutter by Using FFT and ANSYS
Abstract: Circular cutters with uniform radial cracks are extensively used in the cutting processes. Unwanted noise, vibration and accidental failure associated with the cutting process have become an important economic and technological problem in the industry. The knowledge of natural frequencies of components is of great interest in the study of response of structures to various excitations. Hence, it is important to study a circular tile cutter with central hole, which …
Published in Journal of Mechatronics and Automation · Vol. 2, Issue 3, 2015 · pp. 31–42 Read article
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Characterization and Stability Analysis of Crude Oil-in-Water Emulsions
Abstract: AbstractProduced water in the form of oil-in-water emulsion is the largest waste stream generated during the oil and gas production. Characterizations of oil-in-water emulsion in terms of stability study with respect to oil droplet size distribution, oil content, total dissolved solids, salinity with respect to time and rheological property have been investigated in the present work. Particle size distributions of freshly prepared oil-in-water emulsion of different crude oil concentration and …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 1–10 Read article
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Novel Characteristics of GaN based Nanoelectronic Double-Heterojunction HEMTs to Establish a Solid-State-Electronics Laboratory
Abstract: The drain characteristics are investigated with respect to electrical variables (drain voltage, gate voltage) and structural parameters of high electron mobility transistors (HEMTs). Total 10526 individual simulation-outputs are reported in this work. The maximum drain current of 553 mA is achieved by the simulated structures of double-heterojunction HEMTs using the SILVACO-ATLAS software tool. The drain current is higher at shorter gate length. The drain current is higher at larger aluminium …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 3, 2017 · pp. 11–20 Read article
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Potable Water Quality Analysis of Akbarpura, KPK, Pakistan
Abstract: In Pakistan, supply of safe drinking water of international standard is very limited. Only around 30% population has access to piped drinking water, which has rarely been completely tested for health safety. About 70% population is drinking water of unknown quality. The only testing comes through human consumption and getting sick. This study is designed to investigate the water quality problems of Akbarpura, Khyber Pukhtunkhwa. Samples were collected from the …
Published in Recent Trends in Civil Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 19–27 Read article
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EFFECT OF DRILING PARAMETERS ON HOLE POSITION TOLERANCES
Abstract: Drilling is one of the important machining process widely used in all type of industry. In aerospace industry the drill hole dimensions are very critical and one has to control the drilling parameters to maintain the desired hole characteristics. In the present project work, focus is made to study the effect of drilling parameters namely spindle speed, feed and drill diameter on Cylindricity, Circularity, Concentricity along X axis and Concentricity …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 51–61 Read article
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Waste Water Farming of Bottle Gourd and Lady’s Finger Induces Dietary Toxicity
Abstract: Objective: A large number of farmers are growing different vegetables and supplying them to the Solapur market. The majority of these farms are located on the banks of “nullah”, whose water is used for irrigation. From, a farm field in Degaon, a village on the Solapur-Mangalvedha road and on the bank of “nullah”, two fruit vegetables viz. bottle gourd (Dhoodhi bhopala) and lady’s finger (Bhendi) are evaluated in this study. …
Published in Research and Reviews: A Journal of Toxicology · Vol. 8, Issue 2, 2018 · pp. 21–30 Read article
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Radon Monitoring in Underground Water of Punjab State and Thermal Springs of Himachal Pradesh
Abstract: The source of Radon gas is generally within the rock strata in the form of an intermediate decay product of the U/Th radioactive series. It migrates from the earth’s crust to atmosphere by diffusion in the aqueous media. Radon monitoring is carried out to study health hazard effects. Scintillometry technique was used for measurement of Radon concentration in groundwater of Gurdaspur district and Parbati valley of HP. Radon concentration values …
Published in Research and Reviews: A Journal of Toxicology · Vol. 11, Issue 1, 2024 · pp. 16–20 Read article
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Numerical Investigation of Slip Conditions in Nanofluid Flow Induced by a Nonlinearly Stretching Sheet: A bvp4c Approach
Abstract: The present work describes a numerical analysis of the steady, laminar flow over a nonlinear stretching sheet in a nanofluid medium. Slip conditions in terms of velocity, temperature, and concentration have been introduced into the mathematical model to capture the impact of interfacial mass transfer on the stretching surface. The problem is modeled to include nanoparticle transportation in terms of Brownian diffusion and thermophoresis, thereby affecting the temperature and concentration …
Published in Recent Trends in Fluid Mechanics · Vol. 13, Issue 2, 2026 · pp. 34–51 Read article
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Effect of Formaldehyde Treatment on the Barrier and Mechanical Properties of Oat Protein Films
Abstract: Oat protein 5% with 40% glycerol as a plasticizer was used to prepare edible films, and formaldehyde was chemically added to the film's solution at four concentrations. The films' barrier and mechanical properties were then investigated. The films were characterized by being medium transparency, homogeneous, odorless, and with a thickness ranging between 0.12 and 0.15 mm. It was also observed that the water vapor permeability decreased whenever the concentration of …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 1–8 Read article
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Remediation of Condemn Oil Polluted Loamy Soil Using Azadirachta Indica (Neem)
Abstract: The remediation of condemn oil polluted loamy soil using neem (azadirachta indica) was investigated. The neem leaves came from Akpugo in the southeast Nigerian state of Enugu State's Nkanu West local government area. The leaves were dried at room temperature and subjected to grinding machine to obtain the powdered form of the dried leaves that serve as treatment to remediate condemn oil polluted loamy soil. Three masses 5g, 10g and …
Published in International Journal of Climate Conditions · Vol. 1, Issue 1, 2024 · pp. 21–27 Read article
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Hybrid Polymer Nanocomposites with Enhanced Dielectric and Optical Properties for Wireless Communication Systems
Abstract: The incorporation of nanofillers into polymer matrices offers a promising approach to enhancing the multifunctional properties of composite materials. This study examines the effect of nanofiller concentration on the dielectric performance, mechanical strength, thermal stability, optical absorbance, and electromagnetic interference (EMI) shielding effectiveness of polyvinylidene fluoride (PVDF)-based nanocomposites. Titanium dioxide (TiO₂) and zinc oxide (ZnO) nanofillers were incorporated at varying concentrations to assess their influence on material properties. EMI shielding …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 518–549 Read article
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Estimation and Study of Contamination by Elements (Ni, Cu, Mg, Sn) in Dust of Areas near Fuel Stations in Najaf Governorate
Abstract: The research focused on studying and determining the levels of pollution in dust collected from various stations in the city of Najaf near fuel situations represented by four Fuel Situations (Soor Alnajaf Situation, Reebal Situation, Alkarar Situation, Alqudus Situation ), for this we selected 4 situations for current study, to determine the levels of pollution and compare them with the internationally permitted levels of elements (nickel, copper, and magnesium). Air …
Published in International Journal of Pollution: Prevention & Control · Vol. 3, Issue 2, 2025 · pp. 6–14 Read article
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Entropy Analysis of Unsteady MHD Bioconvective Nanofluid between Parallel Disks under Squeezing Motion and Multiple Slip Conditions.
Abstract: This research offers valuable insights for improving heat transfer and minimizing entropy generation in engineering systems that involve nanofluids and microorganisms. It investigates the unsteady squeezing bioconvection flow of a nanofluid between two parallel disks, with a focus on entropy generation, flow dynamics, heat transfer, and the concentration of both nanoparticles and microorganisms. The lower disk is stretched horizontally and subjected to suction, while the upper disk moves vertically, creating …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 28, Issue 1, 2025 · pp. 17–40 Read article
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Hexavalent Chromium Resistance Test of Saccharomyces Cerevisiae and Modeling of its Bioaccumulation Process
Abstract: Now a day, the release of high chromium containing tannery waste water from tanning industries to the environment is the life threatening action of human activities and bioaccumulation becomes a better alternative in treating heavy metals(such as Cr(VI) )due to its cost effective, relatively high heavy metal removal capacity and recovery property. Cell suspensions of S.cerevisiae at its exponential growth phase were added to 250 ml plastic flasks of containing …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 1, 2021 · pp. 36–44 Read article
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Extraction and Purification of Total Phenolic Content (TPC) from Seeds of Citrullus lanatus
Abstract: Citrullus lanatus is commonly known as Watermelon and belongs to Cucurbitaceae family. The phytochemicals are present in every part of the plant. Fruit is edible part of the plant. Watermelon fruit consists of flesh (68%), seeds (2%) and rind approximately 30% of the total mass of the fruit Phenolic compound content levels are very high and acts as anti-oxidants. the seeds also contain phytochemical elements such as alkaloids, flavonoids, tannins, …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 2, 2021 · pp. 19–24 Read article
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Effect of Time Exposure on Human Blood by Laser Flash Photolysis
Abstract: Diffuse reflectance laser flash photolysis has been used in blood sample to measure transient triplet spectra of free radical or reactive oxygen species (OH, O2, H2O2) generated in free cell systems was investigated using laser flash photolysis and electronic absorption spectra. In all cases, triplet–triplet absorption spectra with the application of this technique to studies concentration of normal human blood sample. The concentration of normal human blood sample is reduced …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 2, 2020 · pp. 15–20 Read article