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1975 articles for “experimentation” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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A Review of Fluid Flow and Heat Transfer in Impinging Jet System
Abstract: Fluid flow and heat transfer in impinging air jet are of great importance in different engineering applications. The review concentrates on heat transfer studies in impinging air jet based on Nozzle geometry, Reynolds No, Nozzle to plate spacing, Nozzles with arrays or mesh screens, porous plates, oblique angle, plate geometry, plate surfaces and cross flow of jet and incorporates two major parts namely, experimental and numerical methodologies. Experimental methodologies employ …
Published in Recent Trends in Fluid Mechanics · Vol. 2, Issue 1, 2015 · pp. 1–14 Read article
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Investigation of Parameters Determining Thermosyphon Flow-Velocity in a Simulated Solar Water Heater
Abstract: Real life experimental investigations that involve natural variables are essential and necessary in determining the performance characteristics of systems that depend on them but they are not easily repeatable under the same conditions. The alternative approach is the modelling and simulation of such systems. This work however, is concerned with the experimental investigation of the performance characteristics of thermosyphon solar water heating system using an electrically simulated collector. Heating rate …
Published in Recent Trends in Fluid Mechanics · Vol. 4, Issue 2, 2017 · pp. 23–28 Read article
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Slurry Erosion Behaviour of D-Gun Sprayed Cr3C2-25NiCr and WC-12Co Coatings on CA6NM Turbine Steel Material
Abstract: In this research work, Erosive wear behaviour of hydraulic turbine material, i.e., CA6NM is investigated. The samples of alloy were coated by different powders Cr3C2-25NiCr and WC-12Co with detonation spray gun technique. Erosion tests have been conducted on self-made erosion test rig with different parameters. L9 Taguchi technique has been used for design of experiment by taking four factors viz. impact velocity, impact angle, slurry concentration and particle size. The …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 2, 2017 · pp. 8–17 Read article
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Finite Element Simulation of the Cold Open-Die Forging of Sintered Aluminum Metal Powder Trapezoidal Preforms
Abstract: This paper presents finite element simulation of the forging of sintered aluminium metal powder trapezoidal preforms at cold conditions. It involves basic experimental investigations followed by the finite element simulation of the forging process under consideration by the use of DEFORM. The basic experimental work includes the fabrication of compaction die-sets, production of aluminum metal powder trapezoidal preforms and simple compression test to obtain load-deformation data. The stress-strain data was …
Published in Trends in Mechanical Engineering & Technology · Vol. 1, Issue 2-3, 2011 · pp. 18–28 Read article
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Ultrasonic Pulse Echo Inspection in Resistance Spot Welding for Stainless Steel SS304
Abstract: Resistance spot welding is a popular metal joining process which is widely used in automobile industry, household and domestic appliances manufacturing industry, and fabrication industry like air craft manufacturing industries [10]. Experimental investigation carried is out on inner and outer sleeve which is used in stove manufacturing industry. Material taken is stainless steel SS304 for experiment having thickness 0.5 mm. Experimental investigation is based on two defects which are interfacial …
Published in Trends in Mechanical Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 40–43 Read article
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Taguchi based Modeling and Optimization of Tool Wear Rate in Die-Sink EDM
Abstract: With the increasing demand for new, hard, high strength, and temperature-resistant materials in various engineering applications, especially in the field of mold manufacturing, aeronautic, automobile and die manufacturing industries, the development and application of electro-discharge machining (EDM) has become increasingly important to machine such difficult to machine hard materials. In this paper, the machining of EN-31 Die steel using EDM with a copper electrode by using Taguchi’s experimental design and …
Published in Journal of Production Research & Management · Vol. 2, Issue 1, 2012 · pp. 30–35 Read article
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Calcareous Soil as a Promising Adsorbent to Remove Fluoride from Aqueous Solution: Equilibrium, Kinetic and Thermodynamic Study
Abstract: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 In this work, the feasibility of employing calcareous soil to remove fluoride ions from its aqueous solutions was investigated under batch mode. The influence of solution pH, sorbent dose, initial fluoride concentration, contact time, stirring rate and temperature on the removal process were investigated. The equilibrium adsorption data were analyzed using Langmuir, Freundlich and Temkin isotherm models. The kinetics of fluoride …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 3, Issue 3, 2012 · pp. 1–21 Read article
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Tracer Application in Study of Reaction Kinetics using Duolite ARA-9366B and Duolite A-638
Abstract: Radiotracer isotopes 131I and 82Br were used to study the iodide and bromide ion-isotopic exchange reactions taking place in two anion exchange resins Duolite ARA-9366B (nuclear grade) and Duolite A-638 (non-nuclear grade) under different operational parameters like temperature and ionic concentration of exchanging medium. The results of present investigation indicate an existence of strong positive linear co-relationship between amount of ions exchanged and concentration of ionic solution; while existence of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 5, Issue 1, 2014 · pp. 34–44 Read article
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Investigation of Heat Transfer for Extruded Polymers Cooled in Water
Abstract: The commodity articles from polyethylene (PE) and polypropylene (PP) are widely used in today’s world. To reduce the carbon footprint, biopolymers such as polylactic acid (PLA) as commodity plastics are also explored. Often, these polymers have to be extruded before they are fabricated for end users. The work described in this paper has been divided in two parts. In the first part PE, PP and PLA are subjected to extrusion …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 6, Issue 3, 2015 · pp. 17–23 Read article
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Evolution of Empirical Equations for Prediction of Melting Point and Latent Heat of Alkanes
Abstract: Alkanes and paraffins are well recognized phase change materials (PCMs) for low and medium range temperature thermal energy storage applications. Melting point and latent heat are two crucial parameters for any PCM for its use in any thermal storage application. The values of these parameters are normally measured by expensive and time consuming measuring devices.In this paper, three empirical equations are presented to predict the melting point and latent heat …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 3, 2016 · pp. 8–11 Read article
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Performance Evaluation of Wood Gasifier
Abstract: Generating electrical energy through biomass has advantages besides achieving self-sustainability. Biomass is particularly useful for agriculture dependent economy nations like India. Energy conversion systems based on biomass are particularly interesting because biomass utilization effectively closes the carbon cycle. An experimental investigation on biomass based gasifier engine system of 35kVA capacity has been carried out for power generation application. Problems of cooling and cleaning hot and dirty gas from gasifier has …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 3, Issue 3, 2012 · pp. 1–9 Read article
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Determination of Heat Transfer Coefficient in Solar Collector Tube under Simulated Operating Conditions
Abstract: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 In this paper, heat transfer coefficient, in solar collector tube under scaling conditions has been experimentally determined using a specifically fabricated test apparatus. The effect of various variables such as scale thickness, flow conditions and tube wall temperatures on heat transfer coefficients have been investigated. The experimental results reveals that the scale thickens has a dominating effect on heat transfer coefficient.Keywords: …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 4, Issue 1, 2013 · pp. 7–12 Read article
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Operating Limits of Three-phase Self-excited Induction Generator under Unbalanced Operations
Abstract: This paper presents a new GA based model to analyze the steady state performance of the self-excited induction generator (SEIG) under unbalanced load and excitation. The proposed model is based upon the load decoupled approach using symmetrical component theory. The simulated results as obtained using proposed model are compared with experimental results on a test machine. Close agreement with the experimental results proves the effectiveness of GA based model and …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 4, Issue 3, 2013 · pp. 13–29 Read article
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Refractive-Type Fresnel Lens Concentrated Solar Water Heater-cum-Distillation Unit
Abstract: This paper presents a new GA based model to analyze the steady state performance of the self-excited induction generator (SEIG) under unbalanced load and excitation. The proposed model is based upon the load decoupled approach using symmetrical component theory. The simulated results as obtained using proposed model are compared with experimental results on a test machine. Close agreement with the experimental results proves the effectiveness of GA based model and …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 4, Issue 3, 2013 · pp. 30–38 Read article
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Effect of Polymer Modified Steel Fiber Reinforced Concrete on Bond Strength
Abstract: In this experimental investigation, the effect on bond strength (pullout test) of polymermodified steel fibers in concrete is studied. Varying volume fraction of steel fibers from 0 to7% at the interval of 1% of fiber and SBR latex polymer of fixed volume of 15% by weight ofcement were used. For this test, specimen of size 150 mmï‚´ 150 mmï‚´ 150 mm with 16 mmhigh yield deformed bar of length 650 …
Published in Journal of Experimental & Applied Mechanics · Vol. 6, Issue 2, 2015 · pp. 33–43 Read article
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Optimization of Process Parameters of Two Way Abrasive Flow Machining by Grey Relational Analysis Coupled with Principle Component Analysis
Abstract: Now a days as the advancement of technology is increasing rapidly, expectation of human, from industry also increased. To fulfil these expectations new technologies are coming into existence. In this regard unconventional machining processes are playing an important role. Abrasive flow machining is a non-traditional finishing process used for finishing parts with predominantly irregular geometry. In AFM, material removal and surface finish takes place by flowing visco elastic abrasive carrier …
Published in Journal of Experimental & Applied Mechanics · Vol. 6, Issue 2, 2015 · pp. 44–56 Read article
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Hydrodynamic Study of Turbulent Fluid Flow in an Axi- Symmetric Duct with Crescent
Abstract: In this article, the fluid flow analysis in an axi-symmetric duct with and without crescent hasbeen studied numerically. Fluent 6.3 based on finite volume method have been used to analyzethe flow problem. The parameters varied are non-dimensional crescent length1 ( / ) C L  S R of0.9 to 0.5 and Reynolds number of 7.5X104 to 3.5X105 respectively. An experiment has beencarried out in a straight sudden expansion pipe without …
Published in Journal of Experimental & Applied Mechanics · Vol. 6, Issue 2, 2015 · pp. 57–69 Read article
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Protective Effect of Chloroform Extract of Cyperus Rotundus against DNBS Induced Inflammatory Bowel Disease in Rats
Abstract: The present study was designed to evaluate the effects of Cyperus rotundus on DNBS (Dinitrobenzene sulfonic acid) induced IBD in experimental rats. The experimental protocol (Protocol No. 9012 dated 26th Dec 2009) was approved by Institutional Animal Ethical Committee of Anand Pharmacy College. Colitis was induced with DNBS (180 mg/kg in 50% ethanol) intracolonically in animals on the 11th day of the study. Animals were fasted for 24 h prior …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 4, Issue 3, 2014 · pp. 24–32 Read article
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Evaluation of Antipyretic Activity of Olax Scandens (Roxb.) Stem Bark
Abstract: Abstract:Traditionally, the decoction of Olax scandens (Roxb.) stem bark is used to cure fever and cough. The present experimental study was carried out to evaluate the antipyretic activity of stem bark of Olax scandens (Roxb.) on experimental animals. Brewer’s yeast was used as a pyrogen in Wistar strain albino rats for inducing pyrexia. The stem bark powder, at a dose of 540 mg/kg body weight of rat was suspended in …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 5, Issue 1, 2015 · pp. 15–18 Read article
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Effect of Damage on the Modal Parameters of Composite Plates
Abstract: Normal 0 false false false EN-IN X-NONE X-NONE In the present work, the effect of delaminations on the natural frequencies and mode shapes of composite panels has been analyzed, both experimentally and by finite element technique. Bi-woven glass cloth with epoxy resin as matrix is made use of to prepare the laminate. Vacuum-bagging method was employed in the fabrication of specimens. Specimens were prepared with 3 mm thickness and tested …
Published in Journal of Aerospace Engineering & Technology · Vol. 4, Issue 1, 2014 · pp. 22–27 Read article