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309 articles for “Compression”
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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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Investigation of Thermo-Acoustic Properties of Ethanol-Cyclohexane Binary Mixture
Abstract: The density, viscosity, and speed of sound for ethanol-cyclohexane binary mixtures were determined across mole fractions ranging from 0.1 to 0.9 using an Anton Paar DSA 5000 M within the temperature span of 288.15–318.15 K. From these experimental measurements, several thermodynamic and acoustic properties, such as isentropic compressibility, relative association, free volume, relaxation time, Gibbs free energy of activation, internal pressure, and solubility parameter, were derived. These parameters serve as …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 11, Issue 2, 2025 · pp. 1–14 Read article
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Some Thermal Properties of Banana (Musa acuminata) Peels Bonded Waterlily (Nymphaea lotus Linn.) Briquettes
Abstract: The purpose of the study was to determine how the amount of binder affected the ignition time and rate of burning of fuel briquettes made from a blend of banana (Musa acuminata) and waterlily (Nymphaea lotus Linn.) peels at varying binder ratios (0, 20, 40, 60, and 80% by weight of each feedstock). Before the briquettes were expelled for additional research, the homogenous feedstock was compressed by a hydraulic press …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 11, Issue 1, 2025 Read article
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Strength & Durability of Concrete with Sand Blasting Residue
Abstract: Sand blasting residue (SBR) is commonly obtained as a by-product from chain manufacturing industries. Although it is a waste material but can be used in the mixing of concrete. The work has been divided into two parts. Part 1 covers preparation of M20concreteby substituting SBR as replacement of sand in different percentage such as 40%, 50%, 60%, 70% & 80%. The w/c ratio is kept as 0.5 with adequate does …
Published in International Journal of Concrete Technology · Vol. 6, Issue 1, 2020 · pp. 32–41 Read article
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Performance of High Volume Fly Ash Concrete Using Local Power Plant Fly Ash
Abstract: Total production of fly ash in Indian Thermal Power plants is approximately 160 million tons annually. Except some super power plants, the quality of fly ash is said to be inferior in most of the power plants. The suitability of fly ash from local power plants for production of high volume fly ash (HVFA) concrete is not tested so far. The aim of the present investigation is to ascertain whether …
Published in International Journal of Composite and Constituent Materials · Vol. 1, Issue 1, 2015 · pp. 07–13 Read article
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Performance and Combustion Analysis of Diesel Engine Fueled with Jatropha Biodiesel—Diesel Blends Using Taguchi’s Approach
Abstract: The aim of this work is to analyze performance and combustion of the various blends of diesel fuels and jatropha biodiesel. Experiments have been carried out using a single-cylinder, four-stroke, variable compression ratio CI engine fueled with jatropha biodiesel and its blends with diesel fuel. The test has been conducted using the fuel blends of 0%, 50% and 100% by volume biodiesel with diesel fuel. The percent biodiesel (0%, 50% …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 1, 2019 · pp. 25–40 Read article
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Selection of Grade of Concrete & Grade of Steel
Abstract: Abstract In structural engineering, understanding the load distribution between steel and concrete is crucialfor ensuring the safety and stability of reinforced concrete structures. The load-bearing capacity ofboth materials, steel and concrete, is dependent on their respective characteristic strengths, whichinclude compressive, tensile, bending, and shear strengths. The behavior of a reinforced concretestructure under various loads is influenced by the interaction between these two materials, wheresteel typically handles tensile and bending stresses, …
Published in International Journal of Structural Engineering and Analysis · Vol. 11, Issue 1, 2025 · pp. 32–37 Read article
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The Effect of Sugar Powder on Strength of Concrete
Abstract: Abstract This study presents a comprehensive experimental investigation into the influence of sugar powder on the compressive strength of concrete. The research aims to systematically evaluate the effects of incorporating sugar powder in varying proportions on the mechanical and structural performance of concrete, particularly when combined with different brands of cement. Concrete cube specimens with standard dimensions of 150 mm × 150 mm × 150 mm were meticulously prepared by …
Published in International Journal of Concrete Technology · Vol. 11, Issue 1, 2025 · pp. 22–28 Read article
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Optimizing Characteristics of Ferro-Geopolymer Composites for Structural Applications
Abstract: Abstract This study focuses on developing an optimal mix for geopolymer mortar (GPM) using varying molarities of NaOH solution and different binder-to-aggregate ratios. The primary objective was to determine the mix that yields the highest compressive strength. GPM cubes were prepared and subjected to two curing methods – oven curing and steam curing. Compressive strength tests were conducted at 3, 7, and 28 days. The results show that the compressive …
Published in International Journal of Concrete Technology · Vol. 10, Issue 2, 2024 · pp. 17–22 Read article
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Impact of Silica Fume on High-Strength Concrete
Abstract: For many decades, concrete has been the primary material used in construction because of itsreliability under normal conditions. However, certain applications necessitate concrete withexceptionally high compressive strength and durability, particularly in aggressive environments.Consequently, achieving compressive strengths in the range of 60–140 MPa is critical for thesedemanding situations. Silica fume, a by-product of silicon and ferrosilicon smelting processes, hasgained recognition as an effective cementitious material for enhancing concrete properties. Thisdissertation investigates …
Published in International Journal of Concrete Technology · Vol. 10, Issue 1, 2024 · pp. 25–31 Read article
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Structural Behavior of Fiber Reinforced Concrete
Abstract: It’s a structural behavior research was done on normal concrete because it possesses low tensilestrength shows cracking. The addition of fiber can enhance the compressive and tensile properties ofconcrete. An experimental study was conducted to evaluate the compressive and tensile strength offiber-reinforced concrete, confirming the improvements in these mechanical properties. The variousaspects covered are compression test, split tensile strength, Effects of fibers on concrete. The study isdone on the comparison …
Published in International Journal of Concrete Technology · Vol. 10, Issue 1, 2024 · pp. 18–24 Read article
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Analyzing Strength Properties of Self-Compacting Concrete at Elevated Temperatures
Abstract: This study investigates the influence of fly ash substitution for Ordinary Portland Cement (OPC) on the compressive and splitting tensile strengths of Self-Compacting Concrete (SCC) mixes. The findings reveal that while early age strength may decrease with fly ash substitution, strategic material selection, such as incorporating foundry sand, mitigates this decline. Satisfactory fresh properties were achieved across SCC mixes labeled SCC1-SCC4, with compressive strengths ranging from 30.49 to 19.19 MPa …
Published in International Journal of Concrete Technology · Vol. 10, Issue 1, 2024 Read article
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Determination of the optimum magnetic exposure time for magnetic water concrete
Abstract: The purpose of this study was to investigate the effect of magnetic water on the workability and compressive strength of concrete, and also to find the optimum time for exposing water to magnetic field, for which maximum compressive strength of concrete will be achieved. In this research, water was exposed to magnetic field of 336mT per magnet for a duration of 12, 18, 24, 36, and 96 hours, after which …
Published in International Journal of Construction Engineering and Planning · Vol. 6, Issue 1, 2020 · pp. 34–42 Read article
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Influence of Rock Properties on Sound Level
Abstract: Rocks used as building materials or for some other purposes are tested for their physico-mechanical properties to assess their suitability. For this, rock boulders excavated from the quarries are cut, shaped and crushed in the laboratory. While carrying out these processes, it generates sound. In this study, rock boulders received from the industries were cut in the form of cylindrical shape to determine its compressive strength, density and Young’s modulus.For …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 7, Issue 1, 2021 · pp. 39–44 Read article
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An Overview on Sterling Engine
Abstract: This paper presented an overview on Stirling engine, working principle and history of sterling engine. Power and efficiency of the engine must be not lower than their averaged values for the same engine working in unsteady conditions. This paper represents different researches on sterling engine and its modification and use from past to present.
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 4, Issue 2, 2018 · pp. 48–52 Read article
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Performance of Industrial Gas Turbines through Blade Design and Cooling Strategies
Abstract: Industrial gas turbines are steam engines that leverage an ongoing stream of high pressure air togenerate mechanical power. These machines can be used for a variety of industrial applications,including that of the manufacturing of electricity, oil and gas, and the propulsion of ships andplanes. The classification can be made of an industrial gas turbine are a turbine, a combustionchamber, and a compressor. Incoming air is compressed by the compressor to …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 8, Issue 2, 2022 · pp. 36–40 Read article
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Analytical Modeling of Brick–Mortar Couplet
Abstract: This paper is a presentation of the finite element modeling of stress in a brick–mortar couplet. The brick–mortar couplet here serves as a meaningful substitute for a brick wall structure. In this work, the basic steps in derivation of the element stiffness matrix for a plane stress problem using the displacement approach are presented. The main purpose in the work is to verify the nodal displacements, which in turn would …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 6, Issue 1, 2020 · pp. 5–13 Read article
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Maximizing Void Properties from Optimized Local Pozzolans in Wearing Course of Bituminous Concrete Mixtures
Abstract: Failure of asphalt pavement has influenced research into better ways to optimize local pozzolans seenas waste and reduce cost of importation of admixtures. Waste Shell Ashes are checked as localassembled by incorporating them in asphalt concrete mix design. Different research has shown thatsome agricultural waste/by-products can be admitted as mineral fillers in hot-mix asphalt concrete toobtain certain desirable properties. It is on this basis that this research attempts to interrogate …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 7, Issue 2, 2021 · pp. 47–54 Read article
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High Strength Concrete (M40) Using Micro Silica and Steel Fiber
Abstract: Abstract: This experimental study examines the combined effects of micro silica (silica fume, SF) as a partial cement replacement and hooked-end steel fibers on the mechanical properties of M40 grade concrete. Concrete mixes were designed as per IS:10262 with a target characteristic compressive strength of 40 MPa. Silica fume was incorporated at 0%, 5%, 10%, and 12% by weight of cement, while steel fibers (aspect ratio ~50) were added at …
Published in International Journal of Construction Engineering and Planning · Vol. 12, Issue 1, 2026 · pp. 53–57 Read article