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738 articles for “Experimental techniques”
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Numerical Simulation of Crack Growth in Dynamic Loading Conditions
Abstract: Because it is crucial for forecasting structural failures in engineering applications, crack formation in materials under dynamic loading circumstances has become a crucial study topic. In this work, finite element methods (FEM) are used to numerically simulate fracture propagation in dynamic stress situations. The impact of loading rates, material characteristics, and crack geometries on crack growth patterns are assessed in a thorough parametric research. The work uses sophisticated computational methods …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 2, Issue 2, 2024 · pp. 30–34 Read article
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Skills Regarding Health Teaching among Nursing Students
Abstract: Background: Health teaching is the key resource in the nursing workforce that is able to provide health information in the community area. Health teaching and skill development are an essential part of the nursing curriculum. Community hospital experience allows a student’s nurse to improve their skills. With a view of this present study was conducted to assess the skills regarding health teaching among nursing students studying in Saraswati Nursing Institute, …
Published in Research and Reviews: A Journal of Health Professions · Vol. 9, Issue 3, 2019 · pp. 26–30 Read article
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Weighted Latent Dirichlet Allocation, an Optimized and Generalized Probabilistic Topic Model
Abstract: In this study, we have introduced a new distribution named as Mixture Weighted Dirichlet Distribution (MWDD) which acts as generalization to other distributions viz. Dirichlet Distribution, Length or Size-Biased Dirichlet, Area Biased and Volume Biased Dirichlet distributions. Aim of this research is to introduce and implement MWDD for Probabilistic Topic Modeling of Corpus of textual data as an optimized as well as generalized probabilistic topic model. Various statistical and structural …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 5, Issue 1, 2018 · pp. 18–31 Read article
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Fractal Geometry and Its Application to Image Compression
Abstract: This paper presents the concept of fractal and its geometry with the explanation of how natural objects require different geometry rather than traditional Euclidean geometry and also discusses mathematics of fractals with the simulation results of generated fractal and applications of the fractal geometry in image compression. Image compression using fractal has a major drawback of large encoding time and several algorithms have been developed to reduce the encoding time …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 2, Issue 2, 2015 · pp. 4–12 Read article
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Performance Analysis of Signcrypt and Cryptsign on Joint Signatures
Abstract: Mobile commerce is becoming common nowadays as it looks more convenient for a user to pay through their mobile phones rather than through other electronic payment systems and it reduces frauds in electronic payments. This paper describes the performance analysis of sign then encryption and encryption then sign of the messages on joint signature scheme. Asymmetric encryption/decryption is applied along with signature generation and verification to make it secure and …
Published in Journal of Instrumentation Technology & Innovations · Vol. 1, Issue 2-3, 2011 · pp. 11–15 Read article
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A Descriptive Study to Assess the Awareness Regarding Preconception Care among Married Women Planning for Pregnancy with a view to Conduct Health Teaching Programme in Selected Rural Areas of Ahmedabad District
Abstract: A study to assess the awareness of women regarding preconception care among married women planning for pregnancy in selected rural areas of Ahmedabad district, Gujarat, India. Non-experimental approach was used with descriptive research design. The investigator used multistage simple random sampling technique for selecting 200 samples. A structured knowledge questionnaire was prepared to assess the knowledge of the samples. Structured knowledge questionnaires consisted of total 30 items such as diet, …
Published in Journal of Nursing Science & Practice · Vol. 6, Issue 3, 2016 · pp. 33–36 Read article
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A Study to Assess the Effectiveness of Information Booklet Regarding DOTS Therapy among the Tuberculosis Clients in a Selected Primary Health Centre
Abstract: The purpose of the study was to assess the effectiveness of information booklet regarding DOTS therapy among the tuberculosis clients in a selected primary health centre. The design used for this study was quasi experimental one group pre-test without control group with evaluative approach. Simple random sampling technique was used to select the sample for the study. The data were collected by using structured questionnaire from 60 tuberculosis clients before …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 4, Issue 3, 2017 · pp. 29–33 Read article
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Experimental Investigation of a Supersonic Wind Tunnel under Different Operating Conditions
Abstract: This paper mainly describes the analysis and design of supersonic wind tunnel in order to reduce the power consumption using optimization techniques under to different operating conditions. In this analysis, a three-dimensional Navier–Stokes equation is used to investigate the flow field of a high pressure ratio centrifugal compressor for Supersonic Wind Tunnel. Such a compressor consists of a double-splitter impeller followed by a vaned diffuser. Particular attention is focused on …
Published in Trends in Mechanical Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 18–22 Read article
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Experimental investigation on impact resistance and energy absorption of multicell thin walled glass fibre reinforced polymer composite
Abstract: The objective of this study is to explore the behaviour of different types GFRP cell structures under dynamic load testing. In this study we have designed, fabricated, tested and analyzed specimens of different configurations (Cylindrical structure – 1 cell, 2 cell and 4 cell) using Glass Fibre Reinforced Polymer (GFRP). GFRP constituents are Glass fibre of 200 GSM with L-12 epoxy and K-6 hardener. Test specimens were manufactured by conventional …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 85–95 Read article
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Experimental Investigation of Micro-Hardness & Tribological Behavior of Composite Coating for Wear Resistance Application
Abstract: The author effectively created a composite coating with enhanced durability utilizing the HVOF technique in this investigation. The automobile business has encountered fierce worldwide rivalry, rapid technical breakthroughs, and strict regulatory regulations in recent year.. Producers of lubricants, gasoline additives, and worldwide original equipment manufacturers (OEMs) are striving to address the difficulties presented by changing consumer preferences and emerging energy conservation and environmental protection regulations. We have successfully created and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1097–1103 Read article
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Effectiveness of Preprocedural Demonstration of Venipuncture on Pain in Children at a Selected Hospital, Kolkata, West Bengal
Abstract: The investigator conducted a quasi-experimental study with nonequivalent posttest only control group research design with preprocedural demonstration of venipuncture therapy among 30 children who required venipuncture after admission in the pediatric ward at the Calcutta National Medical College and Hospital, Kolkata, India and was selected by nonprobability purposive sampling technique. The objectives of the study were to find out the effectiveness of preprocedural demonstration of venipuncture in terms of changes …
Published in Journal of Nursing Science & Practice · Vol. 6, Issue 2, 2016 · pp. 48–62 Read article
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Deep Cryogenic Treatment of Copper Chill Plates in Stir Casting of Al6061-Silicon Carbide Composites
Abstract: Aluminum-Silicon Carbide Metal Matrix Composites (Al/SiC MMCs) represent advanced materials created through the integration of aluminum matrices with silicon carbide particle reinforcement. These composites demonstrate superior characteristics compared to conventional aluminum alloys, establishing their relevance across diverse engineering applications. This experimental investigation focuses on developing composites using aluminum as the base matrix while incorporating SiC particles (40-50μm particle size) as reinforcing agents. The reinforcement content was systematically varied from 3 …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 116–126 Read article
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DGA Analysis of Transformer Oil with Experimental Investigation: An Effective Tool of Condition Monitoring for Power Transformer
Abstract: Dissolved Gas Analysis (DGA) is usually performed for power transformer condition based maintenance activities. The DGA has become a very popular technique for the monitoring the overall health of a power transformer. It is possible to distinguish faults such as partial discharge, over-heating, and arcing in a great variety of oil filled power transformers. A number of samples must be taken over a period of time to discern trends and …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 9–16 Read article
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Axial Compression Behavior of Aluminum (Al), Glass/Epoxy (GFRP) and Hybrid Al-GFRP Crash-box: An Experimental and Digital Image Correlation Approach
Abstract: The study aims to understand the axial compression characteristics and fracture of cylindrical Aluminum (Al), Glass/epoxy (GFRP) composite and Hybrid Al-GFRP crash-boxes. The hollow Al tubes are fabricated by rolling and bonding a thin aluminum sheet followed by rivet joints. The GFRP samples are manufactured using the wet-hand layup technique followed by the vacuum bagging method. Hybrid samples are manufactured by covering GFRP tubes with aluminum sheets on the outer …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 304–313 Read article
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Breakup Fusion of 18O with 144Sm
Abstract: Excitation function measurements have been done for the evaporation residues populating in the system 18O+144Sm. For this purpose, the stacked foil activation technique has been used subsequently accompanied by offline γ-ray spectrometry. The analysis of the experimental cross section of three evaporation residues 158Tm(p3n), 157Tm(p4n), and 155Ho(ap2n) has been done in the light of theoretical code PACE-4. Current findings demonstrate that the experimental cross sections of evaporation residues formed via …
Published in Journal of Polymer & Composites · Vol. 11, Issue 7, 2023 · pp. 53–59 Read article
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Advancements in AI-Driven Sound Spectrogram Analysis: From Deep Learning to Quantum and Neuromorphic Processing
Abstract: The rapid advancement of artificial intelligence (AI) has significantly reshaped the field of audio signal processing, with sound spectrogram analysis emerging as a central research focus. Spectrograms provide a rich time–frequency representation of audio signals, making them particularly suitable for data-driven learning approaches. This paper presents an in-depth and original review of modern AI-based techniques applied to spectrogram analysis, highlighting their growing impact across critical application areas such as healthcare …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 13, Issue 1, 2026 · pp. 01–06 Read article
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A Review on effect of sandwich material on mechanical properties of resistance spot welding
Abstract: Resistance spot welding (RSW) is metal surface joining process. in which contacting metal are joining by the heat obtained from electric current. It is generally used for fabricating sheet metal assemblies such as automobile part, truck cabins, rail vehicles and home applications due to its advantages in welding efficiency. A study will be conducting to investigate the mechanical properties of sandwich material. In this work, an attempt is made to …
Published in Journal of Industrial Safety Engineering · Vol. 6, Issue 2, 2019 · pp. 32–35 Read article
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Parametric Optimization of TIG Welding Process in Butt Joining of AISI 310 Austenitic Stainless Steel Materials
Abstract: Tungsten inert gas (TIG) welding is an arc welding process that uses a non-consumable tungsten electrode to produce the weld. Selection of the levels of the input parameters plays a very significant role in determining the quality of a weld joint. The present study is planned to investigate effects of process parameters: welding current, gas flow rate and arc gap on ultimate tensile strength in TIG welding of austenitic stainless …
Published in Journal of Production Research & Management · Vol. 9, Issue 2, 2019 · pp. 12–19 Read article
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Effectiveness of Video-based Teaching Program on Breastfeeding in Terms of Knowledge and Practice among Postnatal Mothers in a Selected Rural Community of West Bengal, India
Abstract: The study assessed knowledge and practice of breastfeeding in a rural community of West Bengal. The investigator adopted the pre-experimental approach with single group pretest-posttest design, took 30 postnatal mothers by convenient sampling technique, and used a structured interview schedule and observational checklist for data collection to see the effectiveness of video-based teaching program on breastfeeding and found out the relationship knowledge and practice. Study findings reveal that 56.6% mothers …
Published in Journal of Nursing Science & Practice · Vol. 4, Issue 1, 2014 · pp. 1–8 Read article
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Effect of Saline Instillation during Endotracheal Tube Suctioning on Oxygen Saturation and Heart Rate: A Randomized Control Trial
Abstract: Normal saline instillation during endotracheal suctioning is a widely used practice in most of the hospitals but there is inconsistency and controversy regarding use of saline. This study aims to find effect of sterile isotonic normal saline instillation during endotracheal suctioning on oxygen saturation and heart rate. Total of 150 patients on mechanical ventilation were selected by total enumerative sampling technique and were then randomized into three groups: (1) Control …
Published in Journal of Nursing Science & Practice · Vol. 4, Issue 3, 2014 · pp. 49–55 Read article