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249 articles for “Lab Experiment”
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Portland Cement for A-4 group Soil Stabilization
Abstract: In the geotechnical practice, the stabilization of soil using cement is a necessary procedure when soilsdo not meet the geotechnical requirements i.e. they show low bearing capacity so it’s necessary toimprove their engineering properties generally adding lime or cement, or moisture of lime andcement. The aim of this research focuses on the description of a geotechnical laboratory tests plan forA-4 Group Soils according to AASTHO Soils Classification, generally consisting of …
Published in Journal of Geotechnical Engineering · Vol. 8, Issue 1, 2021 · pp. 41–49 Read article
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Testing and Analysis of Biogas Development using Cow Dung for Rural Areas in Northern Ghana
Abstract: The proposed paper aims to analyze the production of biogas by the use of cow dung with adifferent set of experiments. For this experiment, five-set of 250 ml conical flasks (labelled A-E), were used as digesters to generate biogas from cow dung. This experiment is subjected tofive different treatments to do the analysis. The slurry with 58.3 g dung and 174.9 g water iscollected in the digesters and it is …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 38–44 Read article
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Short Report on Polymer Based Automated Fluid Machines for Applications in Microfluidics
Abstract: In this experimental work, a couple of gradual expansion microchannels are fabricated by polymethylmethacrylate (PMMA) using the maskless lithography, hot embossing lithography and direct bonding technique. Dyed ethylene glycol and dyed water are the prepared working liquids. The CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second is used to record each surface-driven microfluidic flow of dyed ethylene glycol and dyed water in the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 11, Issue 2, 2021 · pp. 23–28 Read article
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The Theoretical and Experimental Study of the Behavior of the Mercury Drop, Fixed on the Glass Bottom of Vessel with Fluid, Under the Acceleration of Gravity Change
Abstract: At present time, accumulated theoretical material of the studies of the equilibrium forms of the gas bubbles or mercury drops, fixed on the surface of solid material in the fluid or on the glass bottom of vessel with fluid, under the acceleration of gravity change, was carried out either on the basis of geometric similarity laws that greatly simplify the essence of physical processes, or on the basis of theoretical …
Published in Recent Trends in Fluid Mechanics Read article
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The Theoretical and Experimental Study of the Behavior of the Mercury Drop, Fixed on the Glass Bottom of Vessel with Fluid, Under the Acceleration of Gravity Change
Abstract: At present time, accumulated theoretical material of the studies of the equilibrium forms of the gas bubbles or mercury drops, fixed on the surface of solid material in the fluid or on the glass bottom of vessel with fluid, under the acceleration of gravity change, was carried out either on the basis of geometric similarity laws that greatly simplify the essence of physical processes, or on the basis of theoretical …
Published in Recent Trends in Fluid Mechanics · Vol. 8, Issue 2, 2021 · pp. 1–12 Read article
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Review on Bio and Chemical Reagents (Methods of Preparation and Uses)
Abstract: Among the organic compounds that are commonly used as chemical reagents in the field of pollution, removals of heavy metals from rivers, coordination chemistry and in various fields of life such as industry, medicine and pharmaceutical research are organic reagents such as oxime and imine azo reagents, Fehling’s and Tollen’s reagents and their derivatives. This type of reagent is characterized by high stability and rapid reaction with metal ions, as …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 2, 2025 · pp. 17–25 Read article
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Experimental Analysis and Comparison of Lattice Reinforced Beam and Conventional Reinforced Beam
Abstract: The experimental investigation focused on the various types of shear reinforcement in the reinforced concrete beams.Conventional RCC beam and latticed RCC. These two types of shear reinforcement are studied thoroughly; conventional stirrups, welded latticed bars, Beam strength as well as beam deflection are the main parameters in the project that was considered in this study. Shear failure in reinforced concrete beams is one of the most unwanted modes of failure. …
Published in Recent Trends in Civil Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 20–23 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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Short Experimental Report on Lithographic Technique in Microfluidics
Abstract: In this experimental work, a single SU-8 based glass microfluidic device is fabricated by the maskless lithography and indirect bonding technique. The sealing by indirect bonding technique is perform during the hard baking in maskless lithography. Dyed ethylene glycol is prepared as the working liquid. A CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second is used to record the surface-driven microfluidic flow of …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 3, 2021 · pp. 1–5 Read article
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Review paper on concrete mix design optimization using machine learning based algorithm
Abstract: Concrete is an essential part of most construction works in civil engineering. The mix design of concrete is usually specified in terms of prescription or performance-based approach. One of the most important procedures is proportioning the concrete mix, which requires taking several safety precautions to get the proper amounts of elements like cement, aggregate, water, and admixtures. The current study offers a thorough analysis of the Artificial Neural Networks (ANN) …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 311–320 Read article
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Effect of Ni Addition on the Hardness and Tensile Strength of Al – Cu Alloy Prepared by Powder Metallurgy Technique
Abstract: Aluminium alloys are becoming potential engineering materials offering excellent combination of properties such as high specific strength, high specific stiffness, electrical and thermal conductivities, low coefficient of thermal expansion and wear resistance. Generally, copper and nickel were used as alloying elements in aluminium alloy to increase high temperature strength.Both powder metallurgy as well as casting techniques is used to produce Al-Cu-Ni alloys.However, P/M technique is better suited for preparing this …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 3, 2018 · pp. 19–23 Read article
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Optimisation of the Experimental Methods for the Fabrication of Polymer Microstructures and Polymer Microfluidic Devices for Bioengineering Applications
Abstract: In this research paper, total 2278 individual polymer microstructures have been fabricated, measured and analyzed. Also, in this research paper, total 216 individual polymer microfluidic devices have been fabricated by the maskless lithography, hot embossing lithography, direct bonding technique, and indirect bonding technique, to record and analyze the surface-driven (passive) capillary flow individually in each microfluidic device. Total three individual polymers as SU8, polymethylmethacrylate (PMMA), and polyimide have been used …
Published in Journal of Polymer & Composites · Vol. 4, Issue 3, 2016 · pp. 8–26 Read article
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Study and Analysis of Body Postures Using Ergonomic Assessment Tools in Drilling Operations
Abstract: Ergonomics is one among the major factor that is curiously viewed by the modern world. Musculoskeletal disorder and awkward posture are the two dominant issues in ergonomics. The paper aims at studying and analyzing various musculoskeletal disorders, body postures, and other ergonomic aspects in vertical drilling operation in a laboratory work place using engineering students. Drilling is an operation in which ergonomic issues arise. Drilling is the most common operation …
Published in Journal of Industrial Safety Engineering · Vol. 2, Issue 1, 2015 · pp. 28–42 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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Experimental Studies on the Capillary Flow Phenomena in Polyimide Based Glass Microfluidic Devices
Abstract: The polyimide based glass microfluidic devices are fabricated using the maskless lithography. Water is the only working liquid in this work. The effects of micropillar side length, microfluidic friction and surface area to volume ratio on the surface-driven capillary flow of water are studied experimentally. The surface-driven capillary flow of water is slower due to higher microfluidic friction. This work will be useful to control the water inside the microfluidic …
Published in Emerging Trends in Chemical Engineering · Vol. 4, Issue 3, 2017 · pp. 22–26 Read article
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First experimental results on “clay and bentonite” mixtures for the waterproofing of a landfill in Northwestern Piedmont Region (NW Italy)
Abstract: We report on experimental results conducted on “clay and bentonite” mixtures for the waterproofing of a tank landfill located in Northwestern Piedmont Region (NW Italy).The geotechnical experimental tests on “clay and bentonite” mixtures were conducted in the laboratory first, with the aim of finding the optimum percentage of granular bentonite to be added to the clay and then, they were carried out in situ, in the tank, on the layer …
Published in Journal of Geotechnical Engineering · Vol. 7, Issue 2, 2020 · pp. 13–17 Read article
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Smart Trolley Billing System
Abstract: The Smart Trolley Billing System is an advanced automation solution designed to enhance retail efficiency by integrating IoT, embedded systems, and real-time data processing. Utilizing a GROW GM65 Barcode Scanner Module, Raspberry Pi 4, and a Capacitive Touchscreen display, the system streamlines checkout by capturing product data, dynamically updating a preloaded SQLite database, and displaying an itemized bill in real-time. Its Python-based software stack ensures efficient barcode processing, database management, …
Published in Journal of Electronic Design Technology · Vol. 16, Issue 3, 2025 · pp. 29–36 Read article
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Investigation of Performance Characteristics of Shell and Tube Heat Exchanger Using Helical Baffles with Parallel Flow and Counter Flow Arrangements
Abstract: AbstractShell and tube heat exchangers are widely used in process industries and refineries owing to ease of manufacturing and versatile operations. The designer always focuses on improvement in performance characteristics of STHX, based on the given heat duty and geometrical constraints. Several researchers and investigators have suggested various methods for performance optimization of shell and tube heat exchangers. In the present work, experimental investigation is performed using helical baffles in …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 14–19 Read article
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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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Optical Recording of Flow Phenomena in Photoresist based Microfluidic Devices
Abstract: AbstractIn this experimental work, a set of three individual SU-8 based glass microfluidic devices are fabricated by maskless lithography and indirect bonding technique without having any microfluidic leakage. Dyed ethanol (10% ethanol, 90% red dye) is prepared and used as dyed working liquid. The microfluidic leakage is observed in other set of two leaky microfluidic devices due to improper indirect bonding technique. The effect of surface-to-volume ratio on surface-driven capillary …
Published in Trends in Opto-electro & Optical Communication · Vol. 10, Issue 1, 2020 · pp. 36–42 Read article