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1890 articles for “observation”
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Flow Reversal and Pressure pulsation: Innovative technique to enhance flux in Nanofiltration
Abstract: Reduction in Permeate flux with the period of time is the major drawback for the Pressure-driven membrane processes. Concentration polarization and membrane fouling are the two major limitations for the Pressure-driven membrane filtration processes. They lead to the severe flux decline and that need to be controlled for the better process efficiency. The resistance determination provides basis for selection of membrane and appropriate pressure –driven separation process. This paper outlines …
Published in Emerging Trends in Chemical Engineering · Vol. 6, Issue 3, 2019 · pp. 1–7 Read article
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Microstructure and Mechanical Properties of Thin Wall Ductile Iron
Abstract: Currently many cast parts are produced in aluminum rather than cast iron, because of the drive to get high strength /weight ratio for application in automobile and aerospace. Ductile Iron casting of approximately 2-3mm section thickness better known as Thin wall ductile iron (TWDI) having high strength /weight ratio and better mechanical properties than Aluminum alloys. The effect of various parameters like, post inoculation, gating and feeding, moulding sand mix …
Published in Journal of Automobile Engineering and Applications · Vol. 4, Issue 2, 2017 · pp. 35–39 Read article
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Mechanical Properties of Al6061-Al2O3 Metal Matrix Composite Using Die Casting Technique
Abstract: 6061Al - Al2O3 Metal matrix composites are applied as conventional materials in the domain of aerospace, automotive and marine applications to enhance the physical properties. The present work aimed to prepare metal matrix composite using 6061Al as the matrix material. Particulates of Al2O3 with 40 µm were reinforced using die casting technique. Further level of reinforcement is being varied from 0-16wt% in steps of 4wt%. Microstructural characterization has been conducted …
Published in Journal of Automobile Engineering and Applications · Vol. 5, Issue 3, 2018 · pp. 11–20 Read article
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Numerical Investigation of Louvered Fins for Efficient Cooling of Automotive Engines
Abstract: Air cooled fins are designed to cool motorcycle engines or similar class of small vehicles bytransferring the heat to the air as it passes in-between the fins at high speed. The air circulation andfin geometry are interdependent, and improved air circulation leads to more efficient cooling. So, inthis study a parametric numerical investigation is conducted on a new conceptual design of air-cooled fins. Design parameters are set as: fin pitch, …
Published in Journal of Automobile Engineering and Applications · Vol. 8, Issue 1, 2021 · pp. 6–16 Read article
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Design and Fabrication of Autonomous Tire Pressure Self Inflating with Ardunio Monitoring System
Abstract: Tire plays crucial role in ensuring safe driving and it is the most essential part of automobile. The pressure in the tire has to be maintained in such a way that it can withstand the weight of the vehicle as well as the passengers. Despite of crucial requirement of desired pressure in the vehicle tire, even then, almost every automobile on the road run with either one or more under …
Published in Journal of Automobile Engineering and Applications · Vol. 8, Issue 3, 2021 · pp. 16–20 Read article
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Multilevel Inverter Based PV System with MPPT Application
Abstract: Abstract: An improved MPPT converter with voltage and current (perturb & observe) method for photo voltaic (PV) and 5-level H-bridge multilevel inverter is connected to solar panel, applications is presented in this study. The proposed method used to implement maximum power point tracking (MPPT) and convert DC power into AC power by variable reference of voltage and current which is continuously changed during some time (up to 5 sec). In …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 1, 2019 · pp. 42–52 Read article
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Power Generation from Kitchen and Industrial Waste Water using Microbial Fuel Cells (MFCs) with Graphite Cathode and Anode
Abstract: Degradation of fossil fuels and increased accumulation of waste water has become the major issue in the world over decades. Microbial fuel cells are one such advancement that makes use of renewable waste sources like dhobi ghats, pond water, domestic kitchen waste water and industrial waste water; and directly convert it into electricity. Microbial fuel cells are electrochemical cells that directly convert chemical energy into electrical energy using microorganisms as …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 1, 2016 · pp. 14–22 Read article
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Application of Heterogeneous Photo Catalyst for the Treatment of the Yamuna River Water in Presence of Sunlight
Abstract: Water pollution is a major threat in all developing countries including India. Also, water is facing a severe shortage problem all over the world. It has been predicted that by 2035, water shortage will be one of the most serious political and social issues in many developing countries. Being a basic necessity for life, water requires special attention for its conservation and/or treatment of wastewater. Although the degradation of all …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 2, 2024 · pp. 27–33 Read article
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Experimental Demonstration on the Leakage-Free Surface-Driven Capillary Flow of Red Dye
Abstract: In this work, two individual SU-8 based glass microfluidic devices are fabricated by the maskless lithography and indirect bonding technique. Commercially available red-colored food dye is used as the working liquid. Microfluidic leakage is observed between the glass lid and SU-8 based microchannel substrate due to the improper indirect bonding technique. Leakage-free surface-driven capillary flow is observed due to the proper indirect bonding technique. CMOS camera is used to capture …
Published in Journal of Catalyst & Catalysis · Vol. 5, Issue 3, 2018 · pp. 8–11 Read article
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Pt (II) Schiff Base Complex Catalyzed Oxidation of Internal and Terminal Alkenes
Abstract: Pt (II) complexes of Schiff base ligands were found highly efficient towards the catalytic oxidation of internal alkenes and terminal alkenes in dimethylformamide (DMF) solvent under normal pressure of molecular oxygen. In some catalytic reactions, H2O2 was also used as co-oxidant. No diminished catalytic activity was observed even after six to eight repeated catalytic runs. Effect of temperature and extra ligand etc. on the rate of oxidation, nature and percentage …
Published in Journal of Catalyst & Catalysis · Vol. 2, Issue 3, 2015 · pp. 7–15 Read article
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CuO/TiO2 Nanocomposites: Effect of Calcination on Photocatalytic Hydrogen Production
Abstract: Hydrothermally synthesized TiO2 nanorods were subjected to calcination from 350 to 550 °C and tested their catalytic performance for hydrogen (H2) production in aqueous glycerol solution under solar irradiation. High rate of H2 evolution ca.300 µmol.h−1.g−1cat was recorded with TiO2 nanorods calcined at 500 °C. The nanocomposites were prepared by varying Cu-loading 0.1 to 2.0 wt% and activated at 350 or 500 °C. About 25 folds enhancement in H2 production …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 2, 2014 · pp. 13–20 Read article
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Performance Evaluation of H 2 SO 4 -Rice Husk-Moss Adsorbent for the Removal of Zn (II) Ion from the Effluent of Science Equipment Development Institute (SEDI)
Abstract: This research was carried out to investigate the potential of green algae (moss) with the support of H 2 SO 4 treated rice husk activated carbon using batch adsorption process for the removal of Zn (II) ions from SEDI industrial effluent. The rice husk- moss algae was activated using H 2 SO 4 . The effluent was characterized using atomic absorption spectrophotometer with initial concentration values of 12.3 mg/l for …
Published in Journal of Catalyst & Catalysis · Vol. 9, Issue 1, 2022 · pp. 6–15 Read article
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Plant-Drive Natural Filler Filled Polypropylene Composites: Effects of Filler Treatment, Filler Content and Nanoclay on Properties
Abstract: In this study, PP was blended with nanoclay at three different loadings of 1, 3, and 5 wt%, while maleated polypropylene (PPM) was added at 5 wt%. The results showed that PP nanocomposites prepared at 5% PPM and 3% nanoclay showed optimum mechanical performance. In this research, untreated and chemically treated peanut shell flour (PSF) reinforced PP nanocomposites were prepared at four different loadings of 10, 20, 30, and 40 …
Published in Journal of Catalyst & Catalysis · Vol. 9, Issue 2, 2022 · pp. 1–12 Read article
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High-strength Indian Kaolin Development by Adding Vanadium Pentoxide (V2O5) by Sol-gel Method
Abstract: The development of high strength in Indian kaolinite has been studied in the presence of vanadium pentoxide. It is observed that the strength of Indian kaolinite is increased with addition of V2O5 by sol-gel techniques and characterized by Vickers hardness, X-ray diffraction and scanning electronmicroscopy studies. The kaolinite was compacted with different proportions of V2O5 additives and sintered at four different high temperatures. It was observed that V2O5 showed a …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 1, 2023 · pp. 28–32 Read article
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Risk Analysis of Infrastructure Projects - Case of Mumbai Metroline 1
Abstract: The study attempts to identify key risk factors during the execution phase of the Elevated Mumbai Metro Project by administering a structured questionnaire to professionals with substantially long work experience on different projects and extensive review of academic and industry literature. The various risks identified are categorized as related to client, contractor, consultant, material, labour, equipment and external risks. They are further evaluated by applying Failure Mode and Effect Analysis …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 3, 2019 · pp. 16–29 Read article
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Reformulating Value Added Ratio Using a Construction Job Site Case Study
Abstract: Lean principles have already been successfully implemented in reducing wastage in manufacturing industries such as automobile industry. The present work focuses on application of lean principles at micro level in a quality control lab of a highway project in order to increase the productivity and decrease the proportion of non-value adding time. The total time was broadly categorized into five different categories namely, moving time, waiting time, setup time, process …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 1, 2016 · pp. 61–69 Read article
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Ultimate Moment Capacity of Polypropylene Fibers Reinforced Concrete Beams
Abstract: The flexural behavior of polypropylene fiber reinforced concrete, plain concrete beams with and withoutreinforcement was investigated. The reinforcement, volume ratio of polypropylene fiber and surface type ofpolypropylene fiber kept constant for all the beams. All beams had the same dimensions and tested under twopoint loads. The results showed that polypropylene fibers were effective in reducing the crack width and crackpropagation. The results also showed that while polypropylene fibers had only …
Published in Journal of Construction Engineering, Technology & Management · Vol. 1, Issue 1-3, 2011 · pp. 44–52 Read article
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Characteristics of Hydrated Concrete Mix by Using Steel Slag
Abstract: Steel slag is derived from steel manufacturing industry and is produced in burned steel production furnaces. Those produced steel slags can be consumed as coarse or fine aggregates in the construction of civil engineering structures while preparing the concrete. It is usually used as aggregate in hot mix asphalt surface purposes. However, in numerous numbers of recent researches it has been observed that there is a possibility of consuming this …
Published in Journal of Construction Engineering, Technology & Management · Vol. 12, Issue 1, 2022 · pp. 33–40 Read article
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Automated Control of Conveyor Belt in Industries using DTMF and Internet Operation
Abstract: Transportation of raw materials or any goods in industries is the need of the hour. As the technologies are invented and developed, a revolution has been observed in the industries in terms of the production and packaging. The conveyor belt system is reliable, robust and provides satisfactory results to the manufacturer. This system with such a huge and important advantage has a requirement that it needs to be supervised time …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 1, 2017 · pp. 39–44 Read article
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Mechanical and Tribological Properties of Cr3C2-NiCr Coated Ti6Al4V Implant Alloy
Abstract: Ti6Al4V alloys are widely used in medical and aerospace applications due to their superior mechanical properties. But, Ti6Al4V alloys are poor in tribological properties such as wear. Poor wear resistance consequences in the formation of wear debris in human implants and leads to inflammation and pain. In this work, Cr3C2-NiCr coatings were applied to improve the mechanical properties such as tensile strength, hardness and tribological properties such as wear resistance. …
Published in Journal of Experimental & Applied Mechanics · Vol. 8, Issue 3, 2017 · pp. 28–42 Read article