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1868 articles for “CAP” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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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
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Optical Recording of Surface-Driven Capillary Flow in Straight PMMA Microchannels
Abstract: AbstractIn this experimental work, a total of six individual straight microchannels are fabricated using maskless lithography, hot embossing lithography and direct bonding technique. Polymethylmethacrylate (PMMA) is the selected transparent polymer to fabricate these microchannels facilitating the optical recording of the surface-driven capillary flow of dyed water (working liquid) using a CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second. Dyed water as dyed working …
Published in Trends in Opto-electro & Optical Communication · Vol. 10, Issue 1, 2020 · pp. 24–30 Read article
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Evaluation of Parasite Contamination in Residents along Wumba River Water in Federal Capital Territory of Abuja
Abstract: Access to clean drinking water is essential for maintaining a healthy lifestyle, and water quality plays a critical role in human well-being. This study evaluates the prevalence of parasite contamination among residents living along the Wumba River in the Federal Capital Territory of Abuja. Access to clean and safe drinking water is essential for maintaining a healthy lifestyle, and water quality directly impacts various aspects of human well-being. In this …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 13, Issue 2, 2023 · pp. 10–20 Read article
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Enrichment of Storage Capacity of QR Codes Using Colored Approach
Abstract: Copyright protection and authentication is increasing and becoming important in daily life. The digitized watermark is one of the techniques invented to solve this issue. Maximum storage capacity of QR code with the use of only two colors i.e. black and white is maximum up to 4296 characters in version 40. This capacity of QR can be further enhanced by the utilization of more colors with black and white, which …
Published in Journal of Software Engineering Tools & Technology Trends · Vol. 3, Issue 2, 2016 · pp. 15–20 Read article
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Comparative Analysis of Vapour Compression Mini Ice Cream Plant by Using Different Size Capillary Tubes
Abstract: Abstract An experimental set up is made for comparative analysis of vapour compression mini ice cream plant by applying different size capillary tubes. The experiments were performed and results were recorded for comparing the best unit. The capillary tube was formed in coil shape having different inner diameters such as 0.79 and 1.12 mm. The pressure at suction and discharge of capillary were recorded to evaluate the cycle COP, power …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 3, Issue 3, 2016 · pp. 30–34 Read article
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Asymmetric Membrane Capsules for Delivery of Poorly Water Soluble Drugs
Abstract: After the successful implementation of asymmetric membrane in osmotic tablet preparation, it also diversified towards capsular system. The asymmetric membrane capsule is a controlled drug-delivery device widely used in controlled osmotic drug delivery. The phase-inversion technique is utilized to nurture such units. It has a relatively thin dense region supported on a thicker porous region, hence called asymmetric. In contrast to gelatin capsules, however, the walls of asymmetric membrane capsules …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 3, Issue 2, 2013 · pp. 1–5 Read article
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Passive Capillary Flow of Aqueous Working Liquids in the PMMA Sudden Expansion Microchannels
Abstract: In this report, polymethylmethacrylate (PMMA) as polymer is used to fabricate the sudden expansion microchannels. Maskless lithography and hot embossing lithography are used for pattern transfer resulting into the fabrication of PMMA microchannel structures. Direct bonding is used as the sealing method. Aqueous ethanol and aqueous isopropyl alcohol (IPA) are prepared as aqueous working liquids. The capillary flow characteristics are studied in total 4 individual sudden expansion microchannels, using the …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 9, Issue 1, 2018 · pp. 17–20 Read article
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Computer Simulations on Magnetic Particles Capturing in an Implant Assisted Channel for Targeted Drug Delivery
Abstract: In this paper, we studied the effect of magnetic field, inlet velocity and particle size on capture efficiency of magnetic particles transported in an implant assisted uniform channel through computational simulations. The dominant magnetic and drag forces are included in the simulations. The couple nonlinear Navier-Stokes equation for fluid flow and Newton’s second law equation for particle transport are solved using finite element based COMSOL multiphysics software. It is found …
Published in Trends in Drug Delivery · Vol. 2, Issue 2, 2015 · pp. 1–7 Read article
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Assessment of Reservoir Storage Capacity and Silt Deposition Using Advanced Instruments: A Case Study
Abstract: Reservoirs on the upstream side of sediment-laden river dams fill with sediment over time, lowering their storage capacity. This research focuses on advanced instrumentation techniques used to analyse storage capacity and estimate the quantity of sedimentation deposited in the reservoir at Kadana Dam, Kadana Village, Mahisagar District, Gujarat, India. During the research investigations, a multi-frequency acoustic system with frequencies of around 33 KHz and 210 KHz was employed to assess …
Published in Journal of Control & Instrumentation · Vol. 13, Issue 4, 2022 · pp. 27–37 Read article
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Security System (Motion Capture) Based on Raspberry Pi
Abstract: This paper describes a state-of-the-art security system that uses motion capture technology to offer a reliable and flexible security solution for small-business and home settings. The Raspberry Pi, ESP32 camera module, and PIR (Passive Infrared) sensor are the three main components of the system, and they cooperate to identify and document any unusual behavior. As the system's central processing unit, the Raspberry Pi is in charge of coordinating all of …
Published in International Journal of Solid State Innovations & Research · Vol. 2, Issue 1, 2024 · pp. 30–35 Read article
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Improved Power Transfer Capability and Optimization of Photovoltaic Power Plants
Abstract: Grid integration is the process of linking distributed energy resources, such as small-scale photovoltaic systems, to the electrical grid. Improving the power quality in the integrated grid of small-scale solar plants requires addressing many technological issues in order to create a secondary distribution network. Thus, this review provides a thorough synopsis of the current state of the art in power quality improvement methods for grid integration, with a focus on …
Published in Trends in Electrical Engineering · Vol. 15, Issue 3, 2025 · pp. 12–20 Read article
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Surface-Driven Capillary Flow of Dyed Aqueous Ethanol in Sudden Expansion Microchannels
Abstract: AbstractIn this work, total three individual SU-8 based glass microfluidic devices are fabricated by maskless lithography and clamping. Dyed aqueous ethanol is selected as working liquid. Each surface-driven capillary flow is recorded by a CMOS camera. The filling time of surface-driven capillary flow is considered as the flow parameter to determine the flow speed. This work will be useful to fabricate the microfluidic devices for bioengineering applications.Keywords: Sudden expansion, maskless …
Published in Journal of Thermal Engineering and Applications · Vol. 4, Issue 3, 2017 · pp. 22–25 Read article
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Effect of PMMA Micropillars on the Surface-Driven Capillary Flow of Dyed Aqueous Ethanol in PMMA Microchannels
Abstract: In this work, dyed aqueous ethanol (60% ethanol, 40% dyed water) is prepared as the working liquid. The effect of surface modification on the microfluidic flow of aqueous ethanol is studied in the polymethylmethacrylate (PMMA) devices. The effect of surface area to volume ratio on microfluidic flow of aqueous ethanol is also studied. The effect of microfluidic friction on microfluidic flow of aqueous ethanol is also studied. This work will …
Published in Journal of Catalyst & Catalysis · Vol. 5, Issue 2, 2018 · pp. 1–4 Read article
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Effect of PMMA Micropillars on the Surface-Driven Capillary Flow of Dyed Aqueous Isopropyl Alcohol in PMMA Microfluidic Devices
Abstract: In this work, dyed aqueous isopropyl alcohol [60% isopropyl alcohol (IPA), 40% dyed water] is prepared as the working liquid. The effect of surface modification on the microfluidic flow of aqueous isopropyl alcohol (IPA) is studied in the polymethylmethacrylate (PMMA) microfluidic devices. The effect of surface area to volume ratio on microfluidic flow of aqueous isopropyl alcohol is also studied. The effect of microfluidic friction on microfluidic flow of aqueous …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 2, 2019 · pp. 44–47 Read article
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Finite Element Analysis and Validation of Axial Capacity of RC Columns Made of Steel Fiber Reinforced Concrete (SFRC)
Abstract: Steel Fiber Reinforced Concrete (SFRC) possesses many excellent dynamic performances such as; high resistance to explosion and penetration. It has little effect on pre-cracking behavior in uniaxial compression, but substantially enhances its post cracking response. This response leads to a greatly improved ductility and toughness. Steel fibers in SFRC are capable of preventing crack propagation as well as brittle failure of columns under uniaxial compression. To this end, four reinforced …
Published in Journal of Construction Engineering, Technology & Management · Vol. 5, Issue 2, 2015 · pp. 9–14 Read article
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Assessment of Reservoir Storage Capacity and Silt Deposition Using Advanced Instruments: A Case Study
Abstract: Reservoirs on the upstream side of sediment-laden river dams fill with sediment over time, lowering their storage capacity. This research focuses on advanced instrumentation techniques used to analyse storage capacity and estimate the quantity of sedimentation deposited in the reservoir at Kadana Dam, Kadana Village, Mahisagar District, Gujarat, India. During the research investigations, a multi-frequency acoustic system with frequencies of around 33 KHz and 210 KHz was employed to assess …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 3, 2021 · pp. 27–37 Read article
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Available Transfer Capability (ATC) under Deregulated Environment
Abstract: The structure of the power industry is moving towards deregulated environment from the regulatory environment (monopoly). With deregulation taking place in the power industry, it introduces a more competitive environment in terms of free choice of suppliers for the trading of electricity. Monopolies of an industry will lead to a poor performance from the sector as there are no competitions for the sole company to strive for improvement. It will …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 2, 2016 · pp. 85–88 Read article
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Surface-Driven Capillary Flow of the Dyed Aqueous Ethanol in a single SU-8 based Glass Microfluidic Device integrated with the Arrays of Square Polyimide Micropillars
Abstract: In this work, a single SU-8 based glass microfluidic device is fabricated by the maskless lithography and indirect bonding technique. A particular polyimide layer at the selected portions and the arrays of square polyimide micropillars at the other portions are integrated on the microchannel bottom wall by the maskless lithography. Dyed aqueous ethanol (70% dyed water, 30% ethanol) is prepared as the working liquid in this work. A CMOS camera …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 1, 2019 · pp. 33–37 Read article
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Passive Capillary Flow of Aqueous Working Liquids in the PMMA Microfluidic Devices and SU-8 based Glass Microfluidic Devices
Abstract: Abstract: In this work, total 9 individual polymeric microfluidic devices are fabricated. The passive capillary flows of aqueous working liquids are studied in the fabricated polymethylmethacrylate (PMMA) microfluidic devices and SU-8 based glass microfluidic devices. All the microfluidic devices are fabricated inside the cleanroom laboratory. Dyed aqueous ethanol and dyed aqueous isopropyl alcohol (IPA) are the selected working liquids. CMOS camera is used to record each passive capillary flow in …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 1, 2019 · pp. 23–28 Read article