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105 articles for “internal pressure”
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Ultrasonic Studies in Binary Liquid Mixtures of Butylamine and Iso-Butylamine with 1-Decanol at 293, 303 and 313 K
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Acoustic parameters like isentropic compressibility, acoustic impedance and intermolecular free length along with internal pressure of butylamine and iso-butylamine with 1-decanol have been determined from sound speed, density and viscosity measurements at 293, 303 and 313 K over the entire range of composition. These derived parameters were used to calculate excess functions like deviation in isentropic compressibility, excess acoustic impedance, excess intermolecular …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 4, Issue 1, 2013 · pp. 43–53 Read article
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An Assessment of Structural Safety of Cement Mortar Lined Irrigation Water Pipeline by Hydrostatic Test
Abstract: Structural safety of cement mortar-lined water pipeline is a matter of great concern primarily due to weld defects, fabrication deficiency and assessment of pressure shared by lining. The verification of structural design of such pipeline and assessment of safety is generally carried out by conducting prototype hydrostatic test. The present paper is based on one such type of study conducted by CWPRS, Pune, for Guthpha Lift Irrigation Scheme, Nizamabad, Andhra …
Published in Journal of Water Resource Engineering and Management · Vol. 1, Issue 1, 2014 · pp. 1–5 Read article
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Thermoacoustic Properties of 1-Propanol-n-Hexane and 1-Propanol-Cyclohexane Binary Mixtures: A Comparative Study at 298.15 K
Abstract: This study reports the measurement of ultrasonic velocity (U), viscosity (η), and density (ρ) for the binary liquid mixtures 1-propanol–n-hexane and 1-propanol–cyclohexane at 298.15 K over the full composition range (mole fraction 0.1–0.9). From the experimentally measured data, several important thermodynamic and acoustic parameters, including isentropic compressibility (βₐ), acoustic impedance, intermolecular free length, free volume (Vf), and internal pressure (πᵢ), were systematically derived to assess the magnitude and nature of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 1, 2026 · pp. 19–31 Read article
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Stress and Deformation Analysis of Rotating Thick Truncated Conical Shells of Exponential FGM
Abstract: AbstractThe present study reports stress and deformation analysis of rotating thick truncated conical shells made of exponentially varying functionally graded material, subjected to linearly varying internal pressure. Material properties of the shells are graded exponentially along the axial direction. Metal-ceramic as well as ceramic-metal (FGM) of aluminum metal and zirconia ceramic is considered. The stresses and deformation behavior are evaluated at different surfaces along the radius and at different angular …
Published in Research & Reviews : Journal of Physics · Vol. 5, Issue 2, 2016 · pp. 36–44 Read article
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Estimation of Rock Participation Factor through Hydro Tests of Pressure Shafts: A Case Study
Abstract: Pressure shafts for conveying water from fore-bay reservoir to power generating units are designed by taking advantage of surrounding rock mass in sharing internal design pressure. The ratio of internal pressure shared by surrounding rock mass to design pressure is known as rock participation factor (RPF). It is a very important parameter in economizing the cost of pressure shafts through saving of high strength steel. However, to ascertain share of …
Published in Journal of Water Resource Engineering and Management · Vol. 2, Issue 2, 2015 · pp. 6–12 Read article
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Optimization of Type-4 Plastic Liner Composite Overwrapped Pressure Vessel Design
Abstract: Composite Overwrapped Pressure Vessels (COPVs) are prominently utilized for the storage of gases at high-pressure. Their widespread adoption is because they are significantly lighter weight compared to complete metal counterparts, but requires specialized design, and manufacturing process. This research employs finite element modelling to analyse the stress and failure assessments on a specific Type-IV COPV with plastic liner as core cylinder. This study aims to optimize COPV design by considering …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 405–412 Read article
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Stress Analysis of Pressurized Thick Truncated Conical Shells with varying Modulus of Elasticity as Power Function
Abstract: Finite element method is applied using Ansys 14.0 Mechanical APDL for axisymmetric thick walled truncated cone made of Functionally Graded Material (FGM). The cone has finite length, and is subjected to axisymmetric hydrostatic internal pressure. The material is assumed to be isotropic with constant poisson's ratio and radially continuously varying elastic modulus along the thickness with a power function. Using this method the truncated cone under generalized clamped-clamped conditions has …
Published in Trends in Mechanical Engineering & Technology · Vol. 4, Issue 3, 2014 · pp. 6–16 Read article
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An Investigation of Stress and Deformation States of Rotating Functionally Graded Spherical Pressure Vessels
Abstract: The present study deals with the analysis of rotating spherical pressure vessels made of functionally graded materials (FGMs). Material properties are graded along the radial direction, which is achieved by varying volume fractions of the constituting materials according to Mori-Tanaka scheme. Shells are subjected to hydrostatic internal pressure and have free boundary condition at the outer surface. Governing equations are derived using principle of stationary total potential. The effects of …
Published in Journal of Experimental & Applied Mechanics · Vol. 8, Issue 3, 2017 · pp. 19–27 Read article
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Solid Rocket Motor Case: A Review of Existing Design and Composite Material Criteria
Abstract: Solid propulsion systems are an integral part of inaugural vehicles for many space agencies because of their relatively simple design and high reliability. The solid propulsion rocket motor case design, including the material used for fabrication, is an important aspect as it affects the solid rocket motor's performance, reliability, and safety. In this abstract, an attempt has been made to review the most commonly used materials in the manufacture of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 224–232 Read article
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BUCKLING ANALYSIS OF COMPOSITE CYLINDRICAL SHELL STRUCTURE USING FINITE ELEMENT ANALYSIS
Abstract: When designing cylindrical shells one should consider not only the strength problem in service, but also the buckling problem. Cylindrical shells such as thin-walled structures are susceptible to buckling when subjected to static and dynamic stresses. The vessels are exposed to dynamic sea conditions depending on their usage. The functional failure of a pressurized composite vessel or a composite pipe in the form of leakage or weeping of the contained …
Published in Journal of Polymer & Composites · Vol. 7, Issue 2, 2019 · pp. 32–36 Read article
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A Study on Innovations in Primary Containment Technology for Safer Nuclear Power
Abstract: Nuclear power is a powerful carbon-free energy source that balances enormous potential with widespread public fear. Fear of radioactive leakage, a catastrophic catastrophe that might have long-lasting effects on the environs and human health, is at the core of this anxiety. The future of nuclear energy depends on finding a solution to this issue, and at the heart of that debate is the idea of primary containment, a technological marvel …
Published in Journal of Nuclear Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 37–44 Read article
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Non-Destructive Examination Protocols in API 650 for Welded Storage Tank Fabrication: A Comprehensive Review
Abstract: The storage tanks play vital roles in industrial sectors, including oil and gas, manufacturing, and chemical processing by enabling safe containment of liquids and gases during key operations like production, treatment, refining, transport/distribution, and inventory control. API 650 standard is a worldwide recognized specification that covers the design and manufacturing criteria for large, welded steel storage tanks. API 650 ensures that tanks are built to withstand internal pressures and environmental …
Published in Journal of Petroleum Engineering & Technology · Vol. 16, Issue 1, 2026 · pp. 29–60 Read article
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Analysis of Cylinder Head of CI Engine
Abstract: The main aim of this work is to predict the look performance supported stress/strain and behavior of plate below numerous operational conditions. the results of varied engineering operational conditions like combustion gas most internal pressure, thermal stress behavior and fatigue stress of the plate are analyzed. In any operating engine, the piston and therefore the plate ar the foremost vulnerable members because of enhanced mechanical and thermal loadings. The mechanical …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 1–4 Read article
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Experimental and Modeling Study of Companion Flange
Abstract: Performance of flange is characterized by its strength. A number of analytical and experimental studies have been conducted to study this characteristic of flange in pipeline under internal pressure loading. Very few researchers have studied the companion flange which is used in assembly of Universal Drive shaft. A companion flanges can be supplied as an individual component or as assemblies with universal drive shafts. It allows connection of a flange …
Published in Journal of Production Research & Management · Vol. 8, Issue 1, 2018 · pp. 29–36 Read article
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Enhancing Portability and Convenience: Bag Pack Umbrella Review
Abstract: The carry-on bag, that is, a backpack that can be slung over the user's shoulders with two cotton straps, is covered under the utility model. An umbrella-and-bag arrangement, which combines an umbrella and a bag, is also shown in the utilitarian model. When using the umbrella, this assembly frees up the user's hands. Loop-closure equations were created by considering the affine mapping from two dimensions to three dimensions. These equations …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 3, 2023 · pp. 1–5 Read article
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Structural Vigor Comparison of a CNG Cylinder with Different Material Cull
Abstract: The present research deals with the structural analysis of a CNG cylinder being utilized in conveyances as fuel source. The portable CNG cylinders are being utilized in conveyances due to their preponderation in vigor, weight advantage, and lower engenderment costs. A design of cylinder is first presented for which the research is performed. Then, a finite element model of the vessel is utilized to estimate whether the current design has …
Published in Trends in Mechanical Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 81–88 Read article
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Molecular Interaction Study of Glycine in Aqueous Lactose Solution Using Volumetric, Acoustic and Viscometric Methods at Different Temperatures
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Density, viscosity, sound speed and refractive index of glycine in aqueous lactose solution at varying concentrations from 0.1035 to 1.0345 m at 298, 308, and 318 K have been determined using precalibrated bycapillary pycnometer, Ostwald’s viscometer and single frequency ultrasonic interferometer at 2 MHz frequency respectively. The derived acoustic parameters like apparent molal volume( ), apparent molal compressibility( ), specific acoustic impedance …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 3, Issue 1, 2012 · pp. 17–27 Read article
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Analytical Assessment of the Mechanical Design of a Metal Getter Bed for Hydrogen Storage
Abstract: Compact solid state hydrogen storage systems using metal or alloy based getter beds have gained worldwide attention. The vessels containing the metallic getter are required to operate under both external and internal pressure conditions, with accompanying cooling and heating cycles. Thus the mechanical design of these vessels must take care of several kinds of loads, some of which are addressed in this work. Selection of optimal dimensions, closures and suitable …
Published in Journal of Experimental & Applied Mechanics · Vol. 6, Issue 3, 2015 · pp. 1–13 Read article
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Prediction of Scale Dependent Material Properties of Single Walled Carbon Nanotubes
Abstract: The present work explores the potential application of nonlocal continuum mechanics related to nanotechnology applications. Nonlocal continuum models represent attempts to extend the continuum approach to smaller length scales while retaining most of its many advantages. This paper presents the prediction of nonlocal scaling parameter for single walled carbon nanotubes. The scale effects are introduced into the continuum models using non-local elasticity constitute model. A relationship among the carbon nanotube …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 2, Issue 1, 2012 · pp. 13–22 Read article
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Fleet Guard: Advanced Fleet Management and Vehicle Monitoring System
Abstract: FleetGuard: Advanced Fleet Management and Vehicle Monitoring is a game changing IoT solution, crafted using Flutter in the Dart language, set to revolutionize conventional fleet management practices. It seamlessly integrates software and hardware components, with a primary focus on Tire Pressure Monitoring Systems (TPMS) and GPS sensors. This innovative system offers real-time tire pressure monitoring, predictive maintenance, and driver behavior analysis, emphasizing efficiency and safety, ultimately reducing operational costs, and …
Published in Journal of Electronic Design Technology · Vol. 14, Issue 2, 2023 · pp. 18–24 Read article