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766 articles for “pH effect”
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MRAC Based Speed Estimation of Three DTC Techniques for Three-phase Inverter Fed IPMSM Drive
Abstract: This paper aims to study three Direct Torque Control (DTC) techniques for an Interior Permanent Magnet Synchronous Machine (IPMSM) using Model Reference Adaptive Control (MRAC). In the conventional DTC technique using a look-up table, gate signals are given to the Inverter that drives IPMSM. Since it is a 6-sector scheme and the operation of the minimum number of voltage vectors, undesired torque and flux ripples are created. Hence the problem …
Published in International Journal of Electrical Power System and Technology · Vol. 9, Issue 2, 2023 · pp. 1–15 Read article
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Improving Prestressed Concrete Box Girders Using Polymer Composites: Experimental Findings and Analysis
Abstract: Prestressed concrete box girder bridges exhibit complex structural behavior due to various loading scenarios. Extensive studies, both experimental and numerical, have helped advance their use in engineering. The spatial stress in prestressed concrete box girder bridges, especially during construction and service phases, has been analyzed using shell cells, which provide more accurate tensile stress data than beam cells. The deck with the numerous hat section was evaluated in the current …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 2, 2024 · pp. 6–11 Read article
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Study of Microstructure and corrosion effects of precipitation hardened high strength AA-7xxx aluminium alloy subjected to cryo rolling
Abstract: The strength and life of an alloy is the primary parameter taken into consideration while building hulls and superstructures for marine applications. Usually AA-7xxx is widely used for these applications and hence is chosen for the present investigation. Cast AA-7xxx alloy reveals distribution of soluble intermetallic compounds in the α-aluminium matrix. In order to improve the mechanical properties and condition the microstructural features, precipitation hardening (solutionizing and ageing) treatment was …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 2, 2020 · pp. 18–23 Read article
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Plant Extracts Volume Effects on the Corrosion of MCS Metal Sample using Water-Based as an Inhibitor
Abstract: The effect of water-based extracts of two different samples was examine with respect to volume on the characteristics of MCS metal corrosion inhibition. This research revealed that volume of extracts is a controlling factor in terms of metal corrosion inhibition as demonstrated by the two different water-based extracts investigated. Increase in the inhibiting substance (water-based extract) in terms of volume resulted to decrease in the rate of corrosion of the …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 1, 2023 · pp. 1–8 Read article
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THE EFFECT OF NOISE POLLUTION ON HUMAN GENERATION
Abstract: Noise pollution is defined as repeated exposure to excessive sound levels that may cause harm to humans or other living beings. Sound levels less than 70 decibels are not harmful to living beings, according to the World Health Organization. On a daily basis, millions of people are affected by noise pollution. Noise Induced Hearing Loss (NIHL) is the most common health condition, it causes Noise-Induced Hearing Loss. Loud noise can …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 1, 2022 · pp. 23–28 Read article
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Comparative Acoustical and Viscometric Study Of L-Alanine And L-Arginine in Aqueous Glycerol Medium: Effect of Side Chain Polarity and Charge On Molecular Interactions
Abstract: The acoustical and viscometric properties of L-Alanine (neutral, nonpolar) and L-Arginine (basic, charged) in 10% aqueous glycerol have been investigated over a concentration range of 0.01 to 0.1 mol·kg⁻¹ at temperatures T = 293.15, 298.15, 303.15, 308.15, 313.15, and 318.15 K under atmospheric pressure. Experimental measurements of ultrasonic velocity (µ), density (ρ), and viscosity (η) have been used to derive adiabatic compressibility (), apparent molar volume (Φv), partial molar volume …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 12, Issue 2, 2026 Read article
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Comparative Acoustical and Viscometric Study Of L-Alanine And L-Arginine in Aqueous Glycerol Medium: Effect of Side Chain Polarity and Charge On Molecular Interactions
Abstract: The acoustical and viscometric properties of L-Alanine (neutral, nonpolar) and L-Arginine (basic, charged) in 10% aqueous glycerol have been investigated over a concentration range of 0.01 to 0.1 mol·kg⁻¹ at temperatures T = 293.15, 298.15, 303.15, 308.15, 313.15, and 318.15 K under atmospheric pressure. Experimental measurements of ultrasonic velocity (µ), density (ρ), and viscosity (η) have been used to derive adiabatic compressibility (), apparent molar volume (Φv), partial molar volume …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 11, Issue 2, 2026 Read article
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Luo Converter with Optimized PI Controller Design for Grid-Tied PV-Based Electric Vehicle
Abstract: There is a huge requirement for installing EV chargers all over the globe since the depletion of fossil fuels which are edging. There is a need to find alternative advanced converter to boost the output from PV. The solar energy is the recomended alternative energy to generate electrical enegy without any pollution. Also, In the present scenario, we need to go for Scalable & Sustainable Electric Vehicle (EV) charging infrastructure …
Published in International Journal of Analog Integrated Circuits · Vol. 11, Issue 1, 2025 · pp. 23–27 Read article
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Electrical and Optical Study of MEH-PPV-Based OLED
Abstract: The electrical and optical characteristics of MEH-PPV (Poly [2-methoxy-5-(2’-ethyl-hexoxy)-1, 4 phenylenevinylene]) as active layer has been investigated in the organic light emitting diode (OLED).The proposed structure is a monolayer device; consisting MEH-PPV sandwiched between high work function anode (ITO) and a relatively low work function cathode (Ca).The proposed structure was simulated by device simulation software ATLAS from Silvaco Inc. Simulation includes various organic models like Poole-Frenkel mobility model and Langevin …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 3, Issue 2, 2017 · pp. 1–9 Read article
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EFFECTIVE USE OF ADSORPTION TECHNIQUE FOR REMOVAL OF HEAVY METALS FROM WATER A Review
Abstract: Abstract- Presence heavy metals are not acceptable in water so, this study presents removal of heavy metals from water with the use of different adsorbents, particularly agricultural waste materials. This is to develop effective and economical water treatment solutions. The hazardous effects of presence of heavy metal in water causes great risks to source of water and health issues to human. In regions like Bhandara and Ambazari Lake in Nagpur, …
Published in International Journal of Water Resources Engineering · Vol. 11, Issue 2, 2025 · pp. 7–13 Read article
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Continuum of Settlement Pattern in Karaikal in the Perspective of Conservation
Abstract: Karaikal is the small town built in the northern banks of Arasalar river in the former kingdom of Thanjore, Tamil Nadu. Now it is the major port town in the union territory of Pondicherry. The evolution of human settlement in Karaikal has been passed through many phases starting from early Dravidian to the present urban settlement. In-between, Karaikal was under many dynasties like Pallavas, Cholas, Khilji, French, Dutch, English and …
Published in International Journal of Architectural Heritage · Vol. 1, Issue 2, 2018 · pp. 21–30 Read article
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Hybrid Hydroponic System: A Sustainable Technology on Facade for Grey Water Recycling for High Rise Buildings
Abstract: Water, the need of life, is a renewable resource covering two-thirds of our planet. However, a very small proportion is effectively available for human use. It is likely to pose the greatest challenge due to the increased demand with population rise, economic development and shrinking supplies due to over-exploitation and pollution. Grey water reuse is a sustainable and attractive option to cope with global water shortages, which can save 40-70% …
Published in International Journal of Architecture and Infrastructure Planning · Vol. 3, Issue 2, 2017 · pp. 20–29 Read article
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Experimental Investigation And Optimization Of Process Parameters For Thrust Force, Power Consumption And Energy Consumption During Drilling Of Mild Steel On Lathe Machine
Abstract: Drilling is one of the major operations to be carried out in almost every manufacturing industry. During this operation drilling tool drills the metal continuously which increases thrust force. Due to this force, power consumed during drilling operation. So in this research work an attempt to experimentally investigate and then optimization of the effect of different drill parameter like feed and spindle speed on the thrust force, power consumption and …
Published in International Journal of Mechanics and Design · Vol. 2, Issue 1, 2016 · pp. 08–19 Read article
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Approaches to Transmission Line Fault Detection Utilizing GPS: An Overview
Abstract: Transmission line protection is essential since 80–86% of power system issues are related to transmission lines. This study suggests a way to classify and identify different types of short circuit faults on transmission lines. There are several operating and fault conditions on high-voltage line transmission, such as L-L fault, single phase to earth fault, and double line fault. Proteus Professional 8 software simulates three fault scenarios: triple line fault, triple …
Published in International Journal of Microwave Engineering and Technology · Vol. 10, Issue 1, 2024 · pp. 33–42 Read article
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Agribot: An Agriculture Robot
Abstract: Agribot is a robot designed for agricultural purpose. As one of the trends of development on automation and intelligence of agricultural machinery in the 21st century, we are applying the idea of robotics technology in agriculture, since robotics technology is used in many of the fields such as defense, surveillance, medical field, industries and so on. In this paper, the robot system is used to develop the process of cultivating …
Published in International Journal of Software Computing and Testing · Vol. 3, Issue 1, 2017 · pp. 14–17 Read article
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Consume Amla, the Wonder Berry – See Big Improvement in Health
Abstract: The Indian Amla fruit tastes sour, but it is very nourishing. Both dried and fresh fruits have health benefits. Many health problems are caused by oxidative damage. Antioxidant agents prevent and repair these damages. Vitamin C is a good antioxidant agent. It contains vitamin C, which is nearly 20 times the vitamin C in oranges. Amla lose none of the vitamin C in the cooking process. It is rich in …
Published in International Journal of Immunological Nursing · Vol. 3, Issue 1, 2017 · pp. 1–6 Read article
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Organic Compound 5-(4-methoxybenzyl)-N-phenyl-1,3,4-thiadiazol-2-amine and NiS filler used to Mitigation the Corrosion of Mild steel and in Marine Atmosphere
Abstract: The concentration of chloride ions is higher in marine atmosphere. The bulk amount of mild steel uses in sea weather for different works. This metal is very sensitive in chloride ions. It produces hostile environment for mild steel. Chloride ions develop corrosion cell on the surface of mild steel and it changes their external and internal morphology as well as physical, chemical and mechanical properties. Mild steel exhibits corrosion reaction …
Published in International Journal of Metallurgy and Alloys · Vol. 5, Issue 2, 2019 · pp. 56–64 Read article
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Fabrication of a Novel and Efficient Radiation Grafted Functionalized Polymer Adsorbent and Investigation of its Applicability in the Adsorptive Removal of Cr (VI) Ion from Aqueous Solution
Abstract: The grafting of glycidyl methacrylate (GMA) onto non-woven polyethylene (PE) fabric was accomplished using a radiation-initiated grafting technique. The grafted textiles were allowed to react using triethylamine to create functioning amine groups. Upon bond formation yield, the impact of grafting intensity has been examined. Utilizing the appropriate technologies, such as FTIR, TGA, and SEM, the adsorbents were rigorously examined. There was evidence of GMA grafting and diamines according to FTIR, …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 1, 2022 · pp. 1–15 Read article
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Recent Advances in the Development & Application of the High Energy Explosives
Abstract: High energy explosives play a pivotal role in various fields ranging from military applications to industrial uses. Recent advancements in materials science, chemical engineering, and detonation physics have led to significant strides in the development and application of high energy explosives. This paper provides an overview of these recent advances, focusing on key innovations in explosive formulations, manufacturing techniques, and performance optimization. One notable area of progress is the development …
Published in International Journal of Energetic Materials · Vol. 9, Issue 2, 2023 · pp. 18–23 Read article
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Experimental Investigation of the Ethno-medicinal Plant Leaf Polygonum chinense Linn
Abstract: Ethno-medicinal plants are a great source of herbal drugs. These plants have no side effect and are very effective. Therefore there is a tremendous increase in the interest of domestic manufacturers of herbal based medicines. Spectroscopic techniques can be employed for qualitative and quantitative analysis of plants leaf extract. Polygonum chinense Linn, also locally known as Modhu Huleng in Assam belongs to the family Polygonaceae. It is used as food …
Published in International Journal of Plant Biotechnology · Vol. 1, Issue 1-2, 2015 · pp. 18–21 Read article