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1972 articles for “investigations” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Investigation of Heat Transfer in Concentric Annuli with Perforated Inserts
Abstract: The increasing necessity for saving energy and material imposed by the diminishing world resources and environmental concerns have prompted the development of more effective heat-transfer equipment with improved heat-transfer rates. The hydrodynamic boundary layer acts as main resistance for the transfer of heat from tube surface to fluid or vice-versa and many researchers are trying to improve the convective heat transfer rate with inserts in tubes to break the boundary …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 1, 2018 · pp. 56–68 Read article
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Experimental Investigation of Effect of Temperature and Molarity on Compressive Strength of Geopolymer Concrete
Abstract: Geopolymer concrete is a relatively new development in the field of concrete, in which regular Portlandcement is completely replaced with pozzolanic material such as fly ash, which is then activated by astrongly alkaline solution to function as a binder in the mix. As a result, we must manufactureenvironmentally friendly concrete to address issues such as global warming and CO2 emissions intothe atmosphere generated by standard Portland cement production. An experimental …
Published in Journal of Experimental & Applied Mechanics · Vol. 12, Issue 3, 2021 · pp. 34–39 Read article
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Experimental Investigation of Different Type of Soils with Addition of Geofibers
Abstract: Strength is important factor for stability of structure tо meet sрeсified engineering requirements оf sоil аnd to mаke it mоre stаble. For this purpose, certain engineering рrорerties are required tо be altered/changed. Based on the literature available, In the present study, аn exрerimentаl investigation is undertаken tо investigаte the effeсt оf addition of geofibers in different proportions (0.0-2.0% by weight) with two fiber lengths of 6 mm and 12 mm …
Published in Journal of Geotechnical Engineering · Vol. 8, Issue 2, 2021 · pp. 13–20 Read article
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To Investigate the Occupational Risk Factors Contributing towards Musculoskeletal disorders among VDT users bank office Employees
Abstract: AbstractThe current business environment is characterized by stiff competition. The players in the industry always strive to come up with innovative strategies to outdo their rivals with a view of enhancing their profitability. Previous studies have indicated that having in place highly effective health and safety systems can enhance the level of productivity of the employees. This always results into an increase in the level of profitability of the organizations. …
Published in Journal of Industrial Safety Engineering · Vol. 5, Issue 1, 2018 · pp. 28–34 Read article
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An Experimental Investigation on Hybrid Polymeric Composite Materials Reinforced with Sisal & Acacia Fiber
Abstract: AbstractThe demand for wood materials in the construction of building field is on the rise. This leads to the depletion of natural resources and encourages deforestation. The polymeric composite materials reinforced with natural fiber are being used as a wood substitute and is also used for fabricating interior parts of the automobiles. Acacia fiber is also added to the polyester resin, since it is good in compressive and tensile strength. …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 3, 2018 · pp. 19–24 Read article
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Investigation of Inter Delamination Properties and Morphological Analysis of Natural Fiber-Reinforced Polymer Matrix Composites
Abstract: AbstractNatural fibers are strong, light weight, renewable, cheap, completely or partially recyclable, and biodegradable. The various types of natural fibers are flax, cotton, jute, sisal, kenaf pineapple, bamboo, banana, wood, etc. In this work, sisal fibers and banana fibers have been employed as the main reinforcing materials with epoxy resin as the matrix in order to increase the effectiveness of natural fiber-reinforced polymer matrix composites. In this study, it is …
Published in Journal of Polymer & Composites · Vol. 3, Issue 3, 2015 · pp. 1–7 Read article
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Test Investigation on Mechanical Properties of Palmyra Bract Fiber Composite
Abstract: AbstractBiological concerns have brought about replenished enthusiasm for regular materials regarding their mechanical applications and principal examination. Recyclability and ecological security are getting to be progressively vital to the presentation of characteristic materials and items. Petroleum based items, for example, gums in thermo set plastics are poisonous and non- biodegradable. The saps and filaments utilized as a part of green composites are biodegradable when they are dumped, disintegrated by the …
Published in Journal of Polymer & Composites · Vol. 3, Issue 1, 2015 · pp. 33–36 Read article
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Investigation on Properties of Water and Methylene Chloride Blown Rigid Polyurethane Foam
Abstract: Physical properties are important parameters which influence the other properties and performance of rigid polyurethane foam (RPUF). Water and methylene chloride are the important ingredients of RPUF which act as blowing agents and influence the density, morphology and fire properties. RPUF samples were prepared from crude 4, 4’-diphenylmethane diisocyanate (CMDI), polyether polyol, triethylene diamine (TED), 1, 4-butane diol, polysiloxane ether, water and methylene chloride. RPUF with different densities were prepared …
Published in Journal of Polymer & Composites · Vol. 2, Issue 1, 2023 · pp. 46–54 Read article
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Comparative Parametric Investigation of Methane, Propane, Butane, and Gasoline on Single Cylinder SI Engine to Improve its Performance and Emission Characteristics
Abstract: This paper presents the single cylinder SI engine based generator. The focus of this study is to use various alternative fuels like LPG (Propane), CNG (Methane), butane and comparing their performances with conventional fuel gasoline for SI engine. This study investigates that when using alternative fuels, the most prominent fuel in performance is methane, because performance is comparatively increasing and emissions are reduced. So, the methane (CH4) fuel is efficient, …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 1–10 Read article
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Total Quality Management Initiatives for Enhancing the Performance of Manufacturing Companies: An Empirical Investigation
Abstract: Total quality management is the industrial management approach of reducing defects by improving the processes. This study has been carried out in SMEs of northern India which have implemented TQM initiatives and faced different barriers in its successful implementation. Questionnaire survey has been performed followed by Qualitative and Quantitative modeling including interpretive structural modeling, fuzzy set theory, and structural equation modeling. Results of investigation recommended that resistance from employees is …
Published in Journal of Production Research & Management · Vol. 9, Issue 3, 2019 · pp. 41–55 Read article
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Experimental Investigations to Improve the Electrical Characteristics of Nitride-Based Nanoelectronic High Electron Mobility Transistors
Abstract: In this work, the DC and RF performances of conventional nanoelectronic high electron mobility transistor (HEMT) are compared with those of two individually modified HEMT structures in a nano-scale regime. All simulation results are produced by the SILVACO- ATLAS physical simulator according to the performed designs of HEMT structures. In each of these HEMT structures, the formation of quantum well is demonstrated at unbiased condition. In the DC analysis of …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 1, 2021 · pp. 14–30 Read article
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Enhancing Fire Performance of Steel Reinforcement in RCC Structures: A Comprehensive Investigation
Abstract: The assessment, repair, and rehabilitation of fire-damaged structures have become crucial due to the rise in significant building fires.This particular field necessitates proficiency in various domains including concrete technology, material science and testing, structural engineering, and repair materials and processes. Researchers and developers are currently engaged in extensive efforts to tackle the challenges related to improving the fire resistance of steel reinforcement in reinforced concrete (RCC) structures. These endeavors involve …
Published in Journal of Structural Engineering and Management · Vol. 10, Issue 1, 2023 · pp. 33–40 Read article
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Processing of Magnesium Metal Matrix Composite Reinforced with Graphene Nano Platelets through Vacuum Stir Casting and Investigating its Mechanical Behaviour
Abstract: AbstractThe application of metal matrix composites (MMCs) as structural engineering materials has received increasing attention in recent years. Their high strength and toughness at elevated temperatures coupled with low-density makes them suitable for use in applications where conventional engineering materials, such as steel are used. MMCs exhibit significantly higher stiffness and mechanical strength compared to matrix alloys, but often suffer from lower ductility and interior fracture toughness. MMCs have the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 3, 2018 · pp. 21–29 Read article
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Experimental Investigation of Dilution Control Using Advanced Gas Metal Arc Welding Process
Abstract: This work investigates the amount of reduction in dilution by using Advanced Gas Metal Arc Welding (AGMAW) process. Dilution is the ratio of area of the base metal melted to the total area of weld bead measured across a given weld bead cross section. Dilution is one of the most important factors governing the success of any surfacing operation and is expressed in percentage. The AGMAW is a self-coined word …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 1, Issue 3, 2014 · pp. 1–7 Read article
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Investigation and Dependency Analysis of Silicon Film Thickness on Performance of Surrounding Gate MOSFET at Subthreshold Regime
Abstract: The characteristics of cylindrical gate all around MOSFET have been studied in terms of the dependence of various device performance metrics on silicon film thickness (Tsi). In this work, the effect of silicon film thickness on numerous performance metrics like threshold voltage (Vt), On current (Ion), subthreshold leakage current (Ioff), On-Off current ratio (Ion/Ioff) and DIBL of cylindrical GAA are comprehensively evaluated and analysed. It has been observed that cylindrical …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 2, 2018 · pp. 49–54 Read article
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Scientific Investigation of the Ancient Water Bodies (Baravas) from Akkalkot Taluka, Solapur District, Maharashtra: Special Emphasis on Tirth and Jeur Region.
Abstract: Ancient water bodies (Baravas), are the step wells of modern culture. These traditional and important structures are neglected by many researchers for water planning aspect. So, this study explores the architecture of stepwells (Baravas), built traditionally in the western Maharashtra for storing and utilizing the groundwater. Step-wells are the constructions up to 3 to 5 store down from ground level comprising a water-body, which majorly are attractively planned. Above stated …
Published in Journal of Water Resource Engineering and Management · Vol. 9, Issue 3, 2022 · pp. 29–38 Read article
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Experimental Investigation of Mortar Using Stone Crusher Dust, Fly Ash and Rice Husk Ash
Abstract: Enormous development of infrastructure raised the issue of sustainability as the large quantities concreting require the huge amounts of constituting materials, the aggregate and cement. Research to explore new alternatives and investigate uses of available industrial and other waste material is very important. In this work two ingredients of concrete fine aggregates and cement are partially replaced by waste materials and the strength property of mortar is investigated. Test results …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 8–12 Read article
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A Review of Experimental and Numerical Investigation on the Heat Transfer in Micro-Channel Heat Exchanger for Various Nano Fluids
Abstract: AbstractA tremendous amount of work has been carried out on micro and nanoscale heat exchanger. Cooling requirement is increasing day by day in field of, high performance Aircraft gas turbine engines, Heat pumps, Air conditioning, Heat recovery ventilators, Integrated circuits (IC), VLSI devices, Computer chips, Printed circuit boards and biomedical applications etc. Many investigators focused on parameters such as Reynolds number, cross cut length, pressure drop, particle concentration of Nano …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 3, 2018 · pp. 1–7 Read article
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Design and Performance Investigation with Erbium-Ytterbium Co- Doped Fiber Amplifier Link
Abstract: AbstractLight wave propagation through optical fiber suffers from numerous linear and nonlinear effects. To compensate it techniques have been adopted. Amongst optical fiber amplifiers doped with ions are one of the key tools to enhance spectral efficiency further. In this vision, an optical design with EDFA and Erbium ytterbium co-doped fiber amplifier is presented for the single channel. The design’s performance has been investigated for numerous optical parameters for instance …
Published in Recent Trends in Sensor Research & Technology · Vol. 4, Issue 2, 2017 · pp. 6–13 Read article
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Investigation of Electric Spring for LVRT Capability Improvement of Fixed Speed Induction Generator based Wind Farm
Abstract: This paper investigates the ability of electric spring (ES) for the low voltage ride-through (LVRT) capability improvement of fixed speed induction generator (FSIG) based wind farm (WF). With increased renewable energy integration, new grid codes are declared by various power system grid operators in order to maintain system stability. LVRT capability is the prime and most difficult requirement of these new grid codes. FSIG based WFs are largely installed but …
Published in Trends in Electrical Engineering · Vol. 6, Issue 3, 2016 · pp. 1–10 Read article