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49 articles for “performance parameter index”
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Effect of the Absorber Plat Groove Roughness on Performance of Solar Air Heaters
Abstract: An experimental investigation on heat and fluid flow characteristics of fully developed turbulent flow in a rectangular duct having repeated integral transverse chamfered rib-groove roughness on one broad wall has been carried out. The flow Reynolds number of the duct varied in the range of approximately 3000–21000, most suitable for solar air heater. Experimentation has been done on chamfered rib-groove roughness having 60° V groove varying relative roughness pitch of …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 7, Issue 3, 2020 · pp. 34–45 Read article
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Clinical study on dual plating for delayed unions and nonunions of distal 1/3 and diaphyseal-metaphyseal transition of humerus
Abstract: Background: The best treatment for delayed union and non-union at distal 1/3 and metaphyseal-diaphyseal transition of humerus is not well established. We collected retrospective and prospective outcomes data for patients undergoing open reduction and internal fixation for delayed union and non-union of distal 1/3 and metaphyseal-diaphyseal transition of humerus with use of conventional mono-lateral or dual plating. Methods and Material: Over a 2-year period, 35 patients underwent open reduction and …
Published in Research and Reviews : Journal of Surgery · Vol. 9, Issue 2, 2020 · pp. 10–15 Read article
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Parametric Investigations of Melt Flow Index for Nylon6-Mica Composite Based Hybrid FDM Filament
Abstract: The development of new hybrid filaments with improved mechanical and thermal properties has been driven by the increasing need for high-performance materials in additive manufacturing. This study explores the parametric investigations of the Melt Flow Index (MFI) for Nylon6-Mica composite-based hybrid Fused Deposition Modeling (FDM) filament. The investigation uses the Taguchi technique to examine how different extrusion temperatures, loads and the percentage of Mica filler affect the MFI, a critical …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 165–173 Read article
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Estimation of Process Capability Index Using Confidence Intervals of Process Parameters
Abstract: The conventional process capability index (PCI) is a measure of process performance whose value depends on the process mean (), standard deviation () and the specified tolerance. The point estimates of and are used to estimate the PCI. In this paper, a new PCI is proposed by utilizing the 100(1-)% Confidence Intervals (CI) for both and . This has led to nine possible estimates of PCI which …
Published in Research & Reviews : Journal of Statistics · Vol. 7, Issue 3, 2018 · pp. 49–57 Read article
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Nano-Therapeutics in Diabetes Mellitus: Revolutionizing Diagnosis, Treatment, and Drug Delivery
Abstract: Diabetes mellitus is a chronic metabolic disorder in which blood glucose concentration remains high over an extended duration, resulting in significant lethal complications, including neuropathy, nephropathy and cardiovascular diseases. However, conventional diabetes management strategies, including insulin therapy and oral hypoglycemic agents, rarely exhibit poor bioavailability, high doses, off target delivery, etc. Nanotechnology has brought the rise of diabetes treatment revolution, by overcoming the challenges present in standard treatment, owing to …
Published in Trends in Drug Delivery · Vol. 12, Issue 2, 2025 · pp. 08–19 Read article
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Population biology of the Sleeper fish Eleotris vittata from New Calabar River , Port Harcourt, Nigeria
Abstract: The population of Eleotris vittata was studied in the New Calabar River over a period of twelve months with the aim of providing a baseline data for the management of the stock; this was due to unavailability of information on the status of the stock. Analysis for growth using the Von Bertalanffy function revealed that length infinity was 26.34cm, parameter of curvature was 1.18cm/year, and the growth performance index was …
Published in Research & Reviews : Journal of Ecology · Vol. 8, Issue 2, 2019 · pp. 28–31 Read article
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Characterization and Quality Assessment of Roof Top Harvested Stormwater from four Storage Media in Otukpa, Ogbadibo Local Government Area of Benue State-Nigeria
Abstract: Roof top harvested storm water (RTHSW) from four storage media; Open concrete media (OCM), closed concrete media (CCM), Native pot media (NPM) and Plastic media (PM) used in Ogbadibo LGA of Benue State Nigeria were examined using Spectrophotometric methods, Water quality index (WQI), and multivariate analysis (PCA) performed on the concentration of the water quality parameters for assessment of pollution levels. The test of significance shows high - low positive …
Published in Journal of Water Pollution & Purification Research · Vol. 10, Issue 2, 2023 · pp. 93–105 Read article
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Optimization of Process Parameters in EDM
Abstract: Extensive research has been done till date to improve the performance of electrical discharge machining (EDM). In the past few years, the Taguchi method has played an important role in the optimization of process parameters. However, many of the studies have focused on static or single-quality characteristics such as smaller-is-better, larger-is-better, and nominal-is-best. The Taguchi method is best suitable for relative analysis. The prime drawback here to mention is that …
Published in Journal of Mechatronics and Automation · Vol. 8, Issue 2, 2021 · pp. 21–28 Read article
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Life Cycle Cost Optimization of Various Building Envelope Configurations with Thermal Load of an Energy Efficient Building Situated in Composite Climate of India
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Energy efficiency in buildings has become a thrust area due to energy and environment-related issues. In this paper, an energy efficient building situated at Delhi, India has been analyzed for the life cycle cost, which includes the cost of material, air-conditioning machine, and operational cost for various configurations of fire clay bricks and ash blocks building envelope. It was found that use …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 2, Issue 2, 2011 · pp. 17–29 Read article
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Optimization of Surface Roughness and Material Removal Rate in Turning of Al-6061 Using Taguchi Methodology, Fuzzy Logic, and Measurement System Analysis
Abstract: The optimization of machining parameters please a crucial role in improving product quality and productivity in manufacturing processes. This study focuses on the turning of aluminium 6061 alloy, aiming to optimize two key performance measures: Surface Roughness and Material Removal Rate. An integrated approach combining to Taguchi methodology, fuzzy logic and measurement system analysis (MSA) is proposed to achieve this objective. Taguchi design of experiments using and L9 orthogonal array …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 4, Issue 1, 2026 · pp. 13–19 Read article
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Construction Phase Sustainability Index of Building
Abstract: The construction industry provides infrastructure, scope of job to society across the world. Apart from these benefits, the construction industry has some negative impacts on society and the environment. This industry is considered to be the major user of electricity and fresh water. It is also considered to be one of the major emitters of greenhouse gasses during the construction period. Across the world, there are many rating systems to …
Published in Recent Trends in Civil Engineering & Technology · Vol. 12, Issue 3, 2022 · pp. 31–50 Read article
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Optimization of WEDM Process Parameters Using a Hybrid Multi-Criteria Decision Making Approach
Abstract: The effectiveness of the manufactured parts is typically measured by more than one performance characteristics. Hence the manufacturing engineers frequently experience the difficulty in optimizing the multiple responses at a time. The present work is to explore the effect of wire electrical discharge machining (WEDM) process parameters in machining of Aluminum metal matrix composite (AMMC). The multiple performance characteristics of material removal rate (MRR) and surface roughness (Ra) are optimized …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 3, 2018 · pp. 24–30 Read article
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Simultaneous Optimization of MIG Welding Process Parameters Using Taguchi with Principle Component Analysis
Abstract: The aim is to verify the optimum parameters in MIG welding of mild steel for achieving the best result. The three parameters taken for welding are welding current (WC), welding speed (WS) and voltage (V) at three levels. The various parameters which have been used here are modeled by performing experiments in principal component analysis (PCA) based on Taguchi. On applying principle component analysis (PCA),all the input factors are converted …
Published in Journal of Experimental & Applied Mechanics · Vol. 10, Issue 3, 2019 · pp. 13–21 Read article
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Application and Performance Assessment of Improved Relay Tuning Method
Abstract: The first order plus time delay (FOPTD) model was considered and the proposed improved relay tuning (PIRT) method was applied to calculate the corrected ultimate gain (Ku) and the optimum PID settings. The closed loop response was obtained using optimum values of PID parameters and compared with that of conventional relay method, Ziegler–Nichols (ZN) method and Cohen–Coon (CC) method. The integral square error as a performance index was used and …
Published in Journal of Control & Instrumentation · Vol. 3, Issue 1-3, 2012 · pp. 1–5 Read article
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A Study on FWD Deflection Bowl Parameters for Structural Evaluation of Flexible Pavement
Abstract: The application of falling weight deflectometer is to evaluate structural condition of the pavement. The exercise of back calculation is required to identify the modulus of elasticity of existing in service pavement. The process of back calculation required in depth field experience for the input of range of modulus of elasticity of bituminous, granular and subgrade layer, and its required number of trials to find such matching moduli with the …
Published in Trends in Transport Engineering and Applications · Vol. 4, Issue 1, 2017 · pp. 48–55 Read article
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A Study on FWD Deflection Bowl Parameters for Structural Evaluation of Flexible Pavement
Abstract: The application of falling weight deflectometer (FWD) is to evaluate structural condition of the pavement. The exercise of backcalculation is required to identify the modulus of elasticity of existing in service pavement. The process of backcalculation required in depth field experience for the input of range of modulus of elasticity of bituminous, granular and subgrade layer, and its required number of trial to find such matching moduli with the observed …
Published in Trends in Transport Engineering and Applications · Vol. 4, Issue 2, 2017 · pp. 1–7 Read article
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Estimation of Aqueous Solubility of Tri-n-Butyl Phosphate by Refractive Index Measurement at 298.15 K
Abstract: Presence of dissolved tri-n-butyl phosphate (TBP) in the aqueous nitric acid solutions, can lead to runaway reactions in presence of nitric acid at temperature more than 130o C. Therefore, the concentration of dissolved TBP in the aqueous nitric solutions is an important control parameter for safe operation of product/waste evaporators. The experimental measurements of refractive index of six aqueous solutions of TBP in the range of 0-400 mg/L were performed …
Published in Journal of Nuclear Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 24–27 Read article
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Polarimetric Scattering Parameter Products of ALOS PALSAR for Forest Biomass Assessment
Abstract: One of the prime factors in the global carbon budget is forest biomass. Synthetic aperture radar polarimetry finds a useful application in remote sensing of forests as it can help with the assessment of forest structure and above-ground forest biomass. Pauli and H/A/alpha decomposition techniques are applied on the dual polarimetric L-Band ALOS PALSAR data. Relationship between ground biomass and corresponding polarimetric scattering parameter (PSP) products is investigated and a …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 5, Issue 1, 2016 · pp. 1–9 Read article
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A Parametric Approach for Decision Making of Low-carbon Building Envelope Design
Abstract: Buildings are major contributors of total carbon emissions than all other categories globally. to reduce these emissions by some quantity must propose the better design before construction. For that, this study proposed a different combinations of building envelope analyzed. From that the best configuration can be implemented for construction to reduce emissions from building at different stages. Through the use of e-QUEST version 3.65, a total of some wall construction …
Published in Journal of Polymer & Composites · Vol. 11, Issue 5, 2023 · pp. 35–43 Read article
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Performance Evaluation of an Arbitrary Profiled Vertical Fin in Non-Newtonian Medium
Abstract: Abstract In this article, the problem of a parabolic profiled fin dissipating heat by natural convection to quiescent non-Newtonian fluid has been solved theoretically. The generalized equations of temperature distribution and heat transfer rates have been generated using the appropriate boundary conditions with different flow behavior index (n). The results obtained from the graphs indicated that there is a significant influence of flow behavior index (n) and fin parameter (M) …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 3, 2016 · pp. 20–26 Read article