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1358 articles for “w/c ratio”
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Forced Convection Heat Transfer Through Porous Media: A Review
Abstract: This paper reviews studies on forced convection heat transfer through Porous media. In the last four decades we have seen enormous amount of research work related to the study of heat transfer in porous media. Convective flows in porous media are of vital importance to these processes, thereby generating the need for their full understanding. This review paper includes the effects of pore to throat size ratio, Non-Darcy and dispersion …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 22–27 Read article
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Implementation of FIR Filter with Reverse Converter based RNS Kogge–Stone Adder
Abstract: AbstractLow power very large scale integration (VLSI) circuits are pertinent for designing of steep overall performance and adjustable devices. In current technology VLSI plays a vital role to reduce power consumption and delay. In analog to digital converter process, adder plays a crucial role. The authority of nonviolent issue is increasing regularly because of changing that a way, packaging and cooling cost, transportable route of motion and reliability. This freebie …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 2, 2018 · pp. 34–43 Read article
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A PWM Based Series Compensator for Power System Performance Enhancement
Abstract: Enhancement of power system stability through a relatively new FACTS device named pulse width modulated series compensator (PWMSC) in the transmission line has been investigated in this article. The three-phase PWMSC is realized with a simple pulse width modulated (PWM) AC link converter consisting of four force-commutated switches and a three-phase diode bridge. The PWMSC is modeled as a continuously controllable series capacitive reactance in the transmission line of a …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 1, 2016 · pp. 12–25 Read article
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DRIVE-DEFENDER: A Driver Safety-oriented Alcohol and Drowsiness Detection System
Abstract: DRIVE-DEFENDER presents a pioneering approach in driver safety through the development of a real-time machine learning system for alcohol detection. The detrimental impact of alcohol-impaired driving on road safety necessitates efficient detection mechanisms. Current methodologies are often hindered by their cost, invasiveness, and reliance on specialized sensors. DRIVE-DEFENDER utilizes a camera for recording the face of the driver in real time, employing image processing techniques to identify facial landmarks. These …
Published in Journal of Open Source Developments · Vol. 11, Issue 1, 2024 · pp. 15–26 Read article
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A Comparative Study of Routing Protocols and Artificial Intelligence in Manets
Abstract: Decentralized networks called Mobile Ad hoc Networks (MANETs) allow mobile nodes to dynamically connect to one another without the need for fixed infrastructure. An overview of MANETs is given in this work, along with a discussion of their features, uses, and difficulties. It explores how routing protocols, such as proactive, reactive, and hybrid protocols, are categorized in MANETs and provides examples and features for each. It also examines the performance …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 1, Issue 2, 2023 · pp. 31–38 Read article
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Catalyst: Free Synthesis of Bioactive Molecules via Green Chemical Principles
Abstract: This study explores the catalyst-free synthesis of bioactive molecules, emphasizing the application of green chemical principles. Traditional synthetic methods often rely on hazardous reagents, solvents, and metal catalysts, which can pose significant environmental and health risks. In contrast, the catalyst-free approach leverages benign reaction conditions, such as solvent-free systems, ambient temperature, and pressure, to achieve efficient and selective transformations. We present a comprehensive investigation into various bioactive molecule syntheses, including …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 1, 2024 · pp. 17–21 Read article
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A Suboptimal Nonlinear Duty-cycle Modulation Scheme
Abstract: The DCM (duty-cycle modulation) technique is increasingly used in industrial electronics applications, including instrumentation systems, interfacing drivers and signal transmission chains. However, in existing research works related to new applications of DCM technique, the linear approximation policy is used for the sake of structural simplicity and low implementation cost, at the expends of rigorous analysis and low approximation errors. In this paper, a suboptimal nonlinear DCM scheme is developed. It …
Published in Journal of Electronic Design Technology · Vol. 7, Issue 1, 2016 · pp. 22–31 Read article
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Image Enhancement by Correction of Cllipped Pixels: An Exemplification
Abstract: Conventional images store an extremely constrained element scope of brightness. The genuine luma in the bright region of such pictures is regularly lost because of section. At the point when section changes the R, G, B shading ratios of a pixel, shading twisting likewise happens. In this paper, we propose an algorithm to improve both the luma and chroma of the clipping pixels. Our method is in view of the …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 3, Issue 1, 2016 · pp. 30–38 Read article
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Fatigue Detection using Artificial Intelligence to Prevent Accident
Abstract: Each year many people lose their lives due to road accidents around the world. Major accidents are due to drowsy driving. Fatigue and micro sleep of the driver are often the root cause of serious accidents. However, initial signs of tiredness can be detected before a critical situation arises. The method used to detect drowsiness are based on behavioral aspects while some are intrusive and may distract drivers, while some …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 7, Issue 2, 2020 · pp. 1–6 Read article
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Performance Analysis of Routing and Protection Schemes for High Speed Networks
Abstract: AbstractManagement of high-speed networks becomes critical as traffic volume increases. Impact of failures is aggravated in networks carrying huge volume of data. Impact is more pronounced as level of multiplexing in high speed networks increase. It is important to deal with survivability of high speed networks in efficient manner in order to maintain high Quality of Service (QoS). In this paper, a performance analysis of routing and protection algorithms in …
Published in Journal of Web Engineering & Technology · Vol. 4, Issue 3, 2017 · pp. 11–18 Read article
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Review on Design and Development of Cleaning and Cooling System for 15 kw (Thermal) Down Draft Gasifier with Producer Gas Analysis
Abstract: In this global world, energy crisis is increasing day-by-day, but fulfilling of that energy by conventional energy generation produces pollution problem and it is also costly. The process of biomass gasification was carried out in a downdraft gasifier by using different biomass like neem wood, babul wood, coconut coir and sugarcane bagasse as feed materials. The product gas or syngas produced was studied by varying parameters like temperature of operation, …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 2, 2016 · pp. 31–37 Read article
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Formulation and Evaluation of Microballoons of Ramipril
Abstract: The present study was an attempt to develop microballoons of Ramipril to prolong gastric residence time in stomach and to control drug release in therapeutic range. Ramipril is ACE inhibitor having short half-life of 2–4 h and bioavailability 28%. Microballoon was formulated using Eudragit E100 and HPMC K4M in different ratios by emulsion solvent evaporation technique using methanol as evaporating solvent and liquid paraffin as a processing medium. Microballoons were …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 5, Issue 2, 2018 · pp. 13–30 Read article
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Prescribing Pattern of Nonsteroidal Anti-inflammatory Drugs among the Specialists Doctors in Mymensingh City of Bangladesh—A Descriptive Study
Abstract: Irrational prescribing of medicines is a global problem, particularly in developing and transitional countries like Bangladesh, and so drug use patterns need to be evaluated. The aim of the study was to investigate the prescribing patterns of nonsteroidal anti-inflammatory drugs (NSAIDs) among the specialist doctors in Mymensingh city of Bangladesh. Prescriptions were collected from patients visiting different hospitals and pharmacies in different areas of Mymensingh city. A total number of …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 8, Issue 2, 2018 · pp. 19–23 Read article
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Formulation and Evaluation of Gastroretentive Bilayered Floating Tablets of Famotidine: Effect of Formulation Variables and in vitro in vivo Evaluation
Abstract: The present investigation concerns the development of bilayered floating tablets of famotidine for prolongation of gastric residence time. An attempt was made to prepare bilayered floating tablets of famotidine by direct compression method. Two layered formulations were designed with an immediate release layer (IR) comprising of the drug, the super disintegrant Croscarmellose sodium along with the other diluents like microcrystalline cellulose and dicalcium phosphate. Three batches of immediate release layer …
Published in Trends in Drug Delivery · Vol. 2, Issue 3, 2015 · pp. 1–17 Read article
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A Novel Antenna Design based on a Single UC-PBG Layer of High Gain for Wireless Power Transfer
Abstract: In this study, a brand-new, highly effective antenna design is put forth to provide a directional radiation pattern with a small beam width for wireless power transfer. The proposed antenna is constructed from a cross-shaped patch of square holes. A favorable eclipse is paired with the antenna patch to provide circular polarization-symmetrical radiation. A symmetrical quadrature stare-shaped unit cell has a uniform compact photonic bandgap layer (UC-PBG) on top of …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 3, 2022 · pp. 8–19 Read article
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Failure Analyte of Helicopter Wing: A Study
Abstract: Summarised issued form is description of different failure cases of winged propulsions. Ethic is basic study from usual aircraft powered through rotary wing i.e., helicopters. Rotor wing composes lift capability by spins; otherwise, accessed score is obtained from aerodynamic lift. Rotor spins about an axis so that etiquette is aligned either vertical or side-to-side. Advent of rotary wing aircraft are that used to be practice is to take off and …
Published in Journal of Mechatronics and Automation Read article
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Geometrical, Numerical and Materialistic Parameters used for Studying and Reducing Tube-Side Flow Inconsistency in Tube and Shell Heat Exchangers: An Overview
Abstract: A Shell and Tube Heat Exchanger (STHE) exchanges heat between two fluids flowing at different temperatures. More than 60% of the market is occupied by STHE’s out of all the different kinds of heat exchangers. Maldistribution is the uneven fluid flow distribution in the tubes of the STHE. The aim of this study is to provide a detailed review on the various methods used by researchers for reducing the maldistribution …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 603–621 Read article
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Thermodynamic Analysis of Cascaded Organic Rankine Cycle for Optimizing Thermal Efficiency
Abstract: AbstractPower cycles converting medium temperature heat (~300°C) into electricity using working fluids like toluene, benzene etc. result in vacuum on condenser side operating near ambient temperatures. To overcome this, two stage cascaded power cycle is proposed with toluene in the top cycle and R- 245fa as a bottom cycle working fluid. In this scheme, condensation heat of toluene is used as a heat source for R- 245fa. A realistic analysis …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 3, 2018 · pp. 30–35 Read article
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Failure analyte of helicopter wing - a study
Abstract: Summarised issued form is description of different failure cases of winged propulsions. Ethic is basic study from usual aircraft powered through rotary wing i.e. helicopters. Rotor wing composes lift capability by spins; otherwise, accessed score is obtained from aerodynamic lift. Rotor spins about an axis so that etiquette is aligned either vertical or side-to-side. Advent of rotary wing aircraft are that used to be practice is to take off and …
Published in Journal of Mechatronics and Automation · Vol. 8, Issue 3, 2021 · pp. 25–31 Read article
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The Study of Structural Behavior of Steel Fiber Reinforced Concrete Beam
Abstract: The steel fibers are most widely used fibers in the present state of development of fiber reinforced concrete (FRC). This is due to the advantage that the addition of fibers to concrete converts the brittle characteristics of concrete to a ductile one, such as slabs and thin webs, where the use of shear reinforcement is not possible, the steel fibers gives them the strength to resist shear. The present study …
Published in Journal of Structural Engineering and Management · Vol. 2, Issue 3, 2015 · pp. 27–33 Read article