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219 articles for “failure”
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Performance Calculation of a Gas Plant Compressor Unit
Abstract: This research was centered on calculating the performance of a gas plant compressor unit which was achieved using Tunu Booster Station facility. The results shows that the ability of the compressor, isentropic efficiency and coefficient of performance of the compressor gave values of 33899kw, 0.83 and 1.2. The deviations from the existing plant values were 35.6%, 31.7% and 20% respectively. Other parameters that were considered and evaluated include the failure …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 2, 2022 · pp. 13–24 Read article
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Monitoring the Operation of Mobile Air Compressor Component of Filters Using Reliability Analysis Concepts
Abstract: The performance of filter component was monitored in a mobile air compressor operating in a gas plant facility located in Rivers State. The investigation covers the monitoring of the numbers of failure, downtime, and computation failure rate, mean time between failure, reliability, unreliability, availability and unavailability. In this study, it was experienced that the failures occur due to over usage as well as presence of particles in the cooling fluid …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 9, Issue 1, 2023 · pp. 18–22 Read article
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A Study to analyze compliance to timing of thrombolytic loading dose among patient with acute myocardial infarction and its impact on patient outcomes
Abstract: Thrombolytic medications work by breaking down large blood clots, allowing blood to flow back to the heart and reducing the risk of heart muscle damage. These agents can help prevent a heart attack from progressing to a myocardial infarction, which can be life-threatening. Fibrinolytic drugs are the preferred treatment for STEMI, as they promote reperfusion and restore blood flow when given within 12 hours of symptom onset. A 12- hour …
Published in International Journal of Nursing Critical Care · Vol. 10, Issue 2, 2024 · pp. 1–11 Read article
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Synthesis of Low Cost Artificial Sand From Fly ash and its Application as a Filter Material
Abstract: The usage of natural river sand is increasing vastly. Geopolymers are materials with three-dimensional alumina silicate structures that have a high mechanical strength and can be used as an alternative to Portland cement. The probability of using Natural river sand can also be replaced with geopolymer synthetic sand. There are many properties which may lead the scarcity of natural riversand they are Because of landslides, tsunamis and erosion. The GPSS …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 2, 2022 · pp. 15–24 Read article
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Potential of Novel Carriers for Effective Management of Acetaminophen Induced Hepatotoxicity
Abstract: Liver is a vital organ of the human body. It plays an important role in the human body. Acetaminophen when taken in therapeutic doses, it is used in the treatment of various conditions. Hepatotoxicity is the prime factor responsible for drug withdrawal from the market. There is no doubt that hepatotoxicity requires considerable attention and that every viable measure be taken towards an efficient mechanism for hepatoprotection. The overdose of …
Published in International Journal of Applied Nanotechnology · Vol. 1, Issue 1-2, 2015 Read article
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Optimizing Gas Turbine Performance: Preventive Measures and Blade Durability Solutions
Abstract: The article explores the various failure mechanisms and preventive methods related to gas turbine blades, which operate under extreme mechanical and thermal conditions. The increasing demand for energy and efficiency in turbojet engines has led to larger and more complex turbomachines. As gas turbine blades are subjected to high operational temperatures, pressure, and stress, they are prone to multiple failure modes, including fatigue, creep, oxidation, corrosion, and erosion. To mitigate …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 10, Issue 2, 2024 · pp. 36–40 Read article
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A Review on Resistance Spot Welding of Dissimilar Metal
Abstract: An extensive analysis of resistance spot welding in dissimilar metals is presented in this review paper. Resistance spot welding (RSW) is a joining technique that is frequently used in various sectors and most importantly in automotive sectors because of its effectiveness and efficiency in creating strong welded joints. This paper provides basic understanding of the various aspects of work done on dissimilar metals. It also gives an understanding of the …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 12–24 Read article
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Comparison of Some Mobile Air Compressor Components Operating in a Gas Plant Facility
Abstract: Investigation on some components of the Mobile Air Compressor (MAC) was considered in terms of the concepts of reliability and the components compared are valve, filter, radiator unit and air hose. The research reveals that failure of any of the component investigated influences the operation of the mobile air compressor in gas plant facility. The research further revealed that failure of radiator resulting from overheating in most cases, influences the …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 1, 2023 · pp. 31–40 Read article
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Steepening Pit Walls- Geotechnical and Economic Implications
Abstract: Current approach to pit-wall analysis tends to separate designs into distinct categories. The first consideration involves analysis of slope in which discontinuities actively participate in the failure mobilization. The second involves design analysis of non-structural controls which could results in a wide range of failure mechanisms. The third and the least sought for approach is the economic assessment of the slope design which could render optimized pit slope and the …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 7, Issue 1, 2021 · pp. 45–57 Read article
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Finite Element Modeling of RC Beam Column Sub-assemblages Subjected to Column Loss Scenario
Abstract: Progressive collapse is a situation where a failure of whole or large part of a structure occurs that has been initiated by failure of a relatively small part of the structure such as failure of any primary structural element. When a vertical load carrying element, typically a column is lost, the loads that are supposed to pass through lost column need to be safely transferred to the adjacent elements to …
Published in International Journal of Structural Engineering and Analysis · Vol. 6, Issue 2, 2020 · pp. 1–20 Read article
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A Laboratory Test Methodology Development For Validating 4wd Front Axle Spindle
Abstract: Tractor is a vehicle specially designed for performing various agricultural and off-road applications. With the increasing popularity of 4WD tractor, front axle design & validation has become critical. 4WD front axle spindle is a part of 4WD front axle assembly. The power transfers from engine to spindle through input shaft, differential unit, intermediate shaft and King pin shaft. Front axle spindle failure was observed during field testing. No component level …
Published in International Journal of Manufacturing and Materials Processing · Vol. 9, Issue 2, 2023 · pp. 23–31 Read article
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Compressive Behaviour of Pristine and Impacted Composite Laminates: Numerical Simulations and Experimental Studies
Abstract: To predict the compressive strength, various failure criteria studied in this article include are Tsai-Wu, Hill, Hoffman, Maximum Stress and Quadratic. The quadratic failure criterion has been implemented using PATRAN Command Language (PCL). Is observed that quadratic failure criterion provides least failure indices, employed for conservative design. The compressive strength of the pristine and impacted laminate computed using analytical experiment, and finite element analysis (Numerical) commercial packages. Experimental program employing …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 2, 2016 · pp. 19–32 Read article
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Entropy-Based Damage Accumulation in Tribological Systems: A Comprehensive Review
Abstract: This paper reviews classical wear models and entropy-based degradation approaches used for predicting failure in tribological systems. Various wear models, thermodynamic frameworks, and applications of the Degradation Entropy Generation (DEG) theorem are discussed. Friction, which is the primary source of heat generation in tribological contacts, is responsible for material degradation through a variety of irreversible processes. While classical wear approaches have been widely used for wear prediction and life estimation, …
Published in International Journal of Mechanics and Design · Vol. 12, Issue 1, 2026 · pp. 1–12 Read article
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Analysis and Design of Structural Components in Offshore and Marine Engineering
Abstract: Offshore and marine engineering play a pivotal role in the global energy market, particularly in the oil and gas industry. The structural integrity of components in such challenging environments is critical, as they are exposed to harsh conditions including high winds, waves, and corrosion. This research paper aims to explore the analytical and design principles for structural components used in offshore and marine engineering, emphasizing materials, loading conditions, failure mechanisms, …
Published in International Journal of Mechanics and Design · Vol. 10, Issue 2, 2024 · pp. 1–6 Read article
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Properties of Bentonite Stabilised with Fluorogypsum
Abstract: This paper presents the properties of the bentonite stabilised with fluorogypsum. For this purpose, commercially available bentonite and fluorogypsum were used in this investigation. The fluorogypsum content and the curing period were varied from 0% to 10 % and 0 to 28 days respectively. Compaction tests results reveal that the maximum dry unit weight increases and optimum moisture content decreases with the increase in the fluorogypsum content to the bentonite. …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 6, Issue 1, 2020 · pp. 43–53 Read article
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Simplified Analytical and Numerical Analysis for Stability of Tunnel and Foundation Containing Sloping Ground
Abstract: Tunnel, foundation and superstructure effect on the stability of slope. Numerical and simplified analytical analyses evaluate behavior of slope under various conditions. However, factor of safety indicates failure criteria of slope. Present research develops some simplified analytical formulae for a specific model and numerical code (PLAXIS 3D) performs finite element analysis of this model. During numerical analysis considers Mohr-Coulomb material model and drained condition. Factor of safety assesses from variations …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 7, Issue 2, 2021 · pp. 24–34 Read article
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Evaluation of Rutting Susceptibility of Bituminous Mixes Using Finite Element Modeling
Abstract: Pavement performance mainly depends on the quality of bituminous mixes. Poor bituminous mixes cause premature failures such as rutting or permanent deformation, cracking, bleeding etc. The design of bituminous mixes should contain certain criteria to prevent premature failures. The mixes designed based on these criteria are generally known as performance based mix design and are gaining popularity in the recent times. Among various types of pavement failures, permanent deformation or …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 2, Issue 1, 2016 · pp. 50–54 Read article
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Root Cause Analysis and Maintenance in Mechanical Systems
Abstract: Due to lots of noise and failures in transmission system, for maintaining the status of products and services provided by any organisation it is very much necessary to improve the failure parts. The mechanism that transmits the power developed by engine of automobile to the engine to the driving wheel is called the Transmission System and it includes Clutch System, Gear Transmission System and Differential system. In the present work …
Published in International Journal of Metallurgy and Alloys · Vol. 5, Issue 1, 2019 · pp. 26–29 Read article
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Optimization of Effects of FMEA to Enhance Quality and Efficiency of CNC Machines in Valve Manufacturing Industry
Abstract: Failure mode and effects analysis (FMEA) is a systematic method for identification and preventing problems of products and process before its occurrence. FMEA focus on preventing defects, enhancing safety and increasing customer satisfaction. The FMEA needs to define parameters such as Severity (S), Occurrence (O), Detection (D) and Risk Priority Number (RPN). The conventional FMEA and grey relational analysis approaches are applied in this work. The rankings of the failure …
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 2, 2017 · pp. 11–20 Read article
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Finite element analysis using Staad-Pro for irregular L-shape Building by Time History Analysis
Abstract: To perform well in an earthquake, a building should possess four main attributes, namelysimple and regular configuration, and adequate lateral strength, stiffness and ductility.Buildings having simple regular geometry and uniformly distributed mass and stiffness inplanes well as in elevation, suffer much less damage than buildings with irregularconfigurations. Impairment can be in the form of loss of non-structural element, damage tostructural components, and collapse of structural element leading to progressive failure …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 8, Issue 2, 2022 · pp. 23–33 Read article