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388 articles for “liquidate”
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Experimental Demonstration on Microfluidic Capillary Flow of Red Dye in Photoresist based Glass Microfluidic Devices
Abstract: In this experimental work, a set of three individual SU-8 based glass microfluidic devices are fabricated by maskless lithography and indirect bonding technique in leakage-free conditions. Commercially available red coloured food dye is used as the selected working liquid. The microfluidic leakage in other set of two leaky microfluidic devices is experimentally demonstrated. Microfluidic devices should be fabricated at leakage-free conditions to achieve exact fluid flow characteristics. The effect of …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 1, 2020 · pp. 1–7 Read article
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Experiments to Control the Surface-Driven Microfluidic Flow of Dyed Water in Straight PMMA Microchannels Fabricated by Maskless Lithography, Hot Embossing Lithography and Direct Bonding Technique
Abstract: Total six individual straight microchannels are fabricated by maskless lithography, hot embossing lithography and direct bonding technique using author’s own hands-on completely inside the cleanroom laboratory. Polymethylmethacrylate (PMMA) is the selected polymeric material to fabricate these straight microchannels. Dyed water is prepared as working liquid to record and study the microfluidic flow characteristics inside these fabricated microchannels. Air dielectric barrier discharge (DBD) plasma processing is the surface modification technique in …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 1, 2020 · pp. 17–23 Read article
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Effects of Polypropylene Fibre on Strength of Geopolymer Concrete
Abstract: In the construction industry, the most vital parameter considered in the current scenario is the sustainable development of the structures. The most used material in construction is concrete, which is primarily made up of Portland cement. The production of Portland cement is nearly about 2.6 billion tonnes per year and is increasing at the rate of 5% annually. The concrete industry contributes about 5–8% of all human generated carbon dioxide …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 23–31 Read article
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Studies on Effect of Various Curing Methods in Glass Fibre Reinforced Geopolymer Concrete with 12 Molarity Alkaline Solutions
Abstract: Due to the increasing environmental impacts associated with ordinary Portland cement, need to develop alternative binders to make concrete, is steadily increasing. Geopolymer concrete is the result of the reaction of materials containing Alumino-silicate with concentrated alkaline solution to produce an inorganic polymer binder. Alkaline solutions used were Sodium Hydroxide and Sodium Silicate. This paper presents results of an experimental study on the compressive strength, flexural strength and split tensile …
Published in Recent Trends in Civil Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 1–7 Read article
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Intelligent Border Alert and Boat Security System
Abstract: AbstractNatural calamities are always miserable for the fishermen and sea travelers. In fact, they have to face plethora of systematic challenges. For instance, sudden climate changes, which will pause their further journey amidst the sea for long time without food and any external communication and will result in life threatening situations. Furthermore they failed to control the water flow inside the boat. Even though there are traditional methods by using …
Published in Recent Trends in Electronics Communication Systems · Vol. 7, Issue 2, 2020 · pp. 9–12 Read article
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Recording of Surface-Driven Laminar Flow in Dual Sudden Expansion Microchannel of a Single SU-8 based Glass Microfluidic Device
Abstract: In this work, the SU-8 based glass microfluidic device is fabricated by maskless lithography and indirect bonding technique. A dual sudden expansion microchannel is designed and fabricated inside this fabricated glass microfluidic device. Dyed water is prepared as working liquid by mixing commercially available food dye with distilled water. The surface-driven laminar flow of dyed water inside the fabricated microchannel is recorded by a CMOS camera. This experimental work is …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 1, 2020 · pp. 24–27 Read article
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Short Review on the Particle Image Velocimetry in Fluid Mechanics
Abstract: In this short review, the reports by few authors on particle image velocimetry are briefly described. The features of particle image velocimetry are briefly mentioned. Also, in this short review, an experimental demonstration on microfluidic flow is presented by Mukhopadhyay as author. A single microchannel bend is fabricated by microfabrication techniques. Dyed water is prepared as working liquid. The surface-driven capillary flow of dyed water is recorded and shown corresponding …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 3, 2020 · pp. 10–14 Read article
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Review an analysis of Fluid Flow and its Dynamics Study
Abstract: Fluid dynamics is the study of liquid and gas flow, usually on and near solid surfaces. For instance, airflow over an aeroplane wing or over the surface of an automobile can be studied using fluid dynamics. Additionally, it can be utilised in ship design to speed up how quickly they move through water.To understand fluid dynamics, scientists employ both mathematical models and simulations as well as experiments. In a confined …
Published in Recent Trends in Fluid Mechanics · Vol. 9, Issue 2, 2022 · pp. 50–53 Read article
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Process Variable Optimization and Experimental Review of Aero-engine Blade using ECM
Abstract: AbstractProcess of blade in (EMC) can be effected by numerous factors, e.g., shape of blade, electrolytic liquid field and anodic dissolution, ECM parameters may result in affections on blade accuracy. Some aero-engine blade as research object, five main process parameters, voltage, machining gap, feed rate, temperature of working fluid and pressure variation of electrolyte inlet/outlet, are evaluated and optimized as per BP neural network Method. From 3125 possible operating parameter …
Published in Recent Trends in Sensor Research & Technology · Vol. 5, Issue 3, 2018 · pp. 27–32 Read article
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Refractive Index Measurement Using Integrated Fiber Optics Triangulation Technique
Abstract: Quantitative and qualitative analytical techniques are of considerable importance for the purpose of detection, identification and measurement in biomedical application. Over the years, several methods have been developed to detect and quantify various biological samples. However each of this method presents certain limitations pertaining to its sensitivity, accuracy, and reproducibility. The recent trend to improve biochemical analysis is to provide a platform, which is more sensitive, accurate, portable, rapid and …
Published in Recent Trends in Sensor Research & Technology · Vol. 9, Issue 3, 2022 · pp. 32–37 Read article
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A Review on Effect of Aluminium & Silicon Powder on Response Variables in Powder Mixed EDM
Abstract: In this paper, for machining different materials, the blending of aluminium and silicon powders into the dielectric liquid of electric discharge machining (EDM) has been studied. Different process parameters like peak current, powder focus, powder grain size, obligation factor, pulse on time, pulse off time, spout flushing and duty cycle has to be specific. The execution of procedure is done regarding response factors like tool wear rate (TWR)/electrode wear rate …
Published in Trends in Electrical Engineering · Vol. 8, Issue 3, 2018 · pp. 1–7 Read article
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Study of Multistage LDAC System Aided Direct and Indirect Type of Dehumidifier with Solar Heating and Evaporative Cooling
Abstract: The aim of this paper is to study various studies done on multistage LDAC system. Some of the studies were based on a combination of multi-stage with VC systems to make it more effective. Some systems have an equal number of regenerator and dehumidifiers and some have only single regenerator between several dehumidifiers. Most of the systems have liquid desiccant type dehumidifiers but some use solid desiccant wheels for dehumidification. …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 15–20 Read article
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Passive Capillary Flow of Red Dye in the SU-8 based Glass Microfluidic Devices
Abstract: In this work, total three individual SU-8 based glass microfluidic devices are fabricated by the maskless lithography and indirect bonding technique. Commercially available red coloured food dye is used as working liquid. Individual surface-driven capillary flows of red dye are recorded by the CMOS camera. This work will be useful in bioengineering applications.
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 59–61 Read article
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FAILURE ANALYSES OF 16MM THICK SA 516 GR 70 AUTO CLAVE
Abstract: With the acceleration of global industrialization, there is a demand for high- or low-pressure storage of liquids or gases. Because of the complicated operating conditions that will inevitably encounter a possible hazard, pressure vessel design is a critical responsibility. Previous failure studies have revealed that the presence of local loads and discontinuities increases pressure vessel fracture. As a result, a detailed examination of pressure vessel steel from the standpoint of …
Published in Trends in Mechanical Engineering & Technology · Vol. 12, Issue 1, 2022 · pp. 21–30 Read article
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Drilling machine operations and characteristics, including benefits and drawbacks
Abstract: The drill press's capabilities vary depending on the machine's electronic motor, pillar diameter, spindle nose, travel, speed, and spindle speed. These are widely utilised in the automotive, printing, and engineering industries to improve the machine's consistency and tensile strength while quickly transitioning to resistive materials with high-quality results. Industries that require the mixing and grinding of solid and liquid material frequently use milling cum drilling machines.Drilling equipment is classified based …
Published in Trends in Mechanical Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 12–16 Read article
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A Review on working principle of temperature sensors
Abstract: AbstractTo recognise and respond to electrical or optical signals, intelligent sensors are frequently utilised. Everyday activities include the usage of sensors. Sensors help the environment around us monitor and report more effectively. They are designed to improve human lives in almost every area and make them far more accessible. They are utilised in homes, residences, malls, hospitals, and smartphones. Different kinds of sensors are employed in daily life. The workings …
Published in Trends in Mechanical Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 21–25 Read article
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Surface-Driven Capillary Flow of Dyed Aqueous Ethanol in the PMMA Microchannel Fabricated by Maskless Lithography, Hot Embossing Lithography and Direct Bonding Technique
Abstract: AbstractPolymethylmethacrylate (PMMA) as polymer is used to fabricate a dual sudden expansion microchannel by the maskless lithography, hot embossing lithography and direct bonding technique inside the cleanroom laboratory. Dyed aqueous ethanol (90% dyed water, 10% ethanol) is used as working liquid to record the surface-driven capillary flow in the fabricated microfluidic device using a CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second. This …
Published in Trends in Opto-electro & Optical Communication · Vol. 8, Issue 3, 2018 · pp. 37–40 Read article
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Passive Capillary Flow of Aqueous Microparticle Suspensions in the Sudden Expansion PMMA Microchannels
Abstract: AbstractAuthor has fabricated a set of sudden expansions micro channels in the polymethylmethacrylate (PMMA) microfluidic devices by the maskless lithography, hot embossing lithography, drilling, air dielectric barrier discharge (DBD) plasma processing, direct bonding technique and chip separation technique. The surface-driven capillary flow of dyed water and three individual aqueous microparticle suspensions are studied with respect to the effects of channel aspect ratio, effective viscosity and surface wettability. The number densities …
Published in Trends in Opto-electro & Optical Communication · Vol. 7, Issue 1, 2017 · pp. 13–17 Read article
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Experimental Investigations on the Effects of Channel Aspect Ratio and Surface Wettability to Control the Surface-Driven Capillary Flow of Water in Straight PMMA Microchannels
Abstract: AbstractTotal 214 individual straight polymethylmethacrylate (PMMA) microchannels have been fabricated by the maskless lithography, hot embossing lithography, direct bonding technique, and atmospheric pressure air dielectric barrier discharge (DBD) plasma processing. The experimental investigations on the effects of structural properties (channel aspect ratios) and physical properties (surface wettability, capillary pressure and kinetic energy) on the surface-driven capillary flow of dyed water in straight PMMA microchannels is a novel approach in this …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 3, 2016 · pp. 1–12 Read article
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Effect of Surface Wettability on the Surface-Driven Capillary Flow in SU-8 Microchannels
Abstract: AbstractSU-8 microfluidic devices have been fabricated by the maskless lithography. Passive capillary flow is suitable to manipulate liquid in the lab-on-a-chip systems. The surface-driven capillary flow of dyed water in each microfluidic device has been recorded and analysed. The measured static water contact angles are 72.6°and 81.2° on the hydrogenated amorphous carbon (a-C:H) deposited flat surface and Si-a:C:H deposited flat surface respectively. Either, a-C:H or Si-a:C:H has been deposited on …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 2, 2016 · pp. 24–29 Read article