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366 articles for “Recent Trends”
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A Review on Leak Detection Techniques in Water Distribution Systems
Abstract: AbstractWater is an important resource. Water distribution network (WDN) which includes pipes is used to transport water from water treatment plants to homes. Every water distribution system (WDS) fails partially or completely during its lifetime. This paper gives the in-depth review of leakages caused in WDS. It provides the overview of various techniques implemented towards the occurrence and localization of leaks. This paper organized and classified the techniques into different …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 2, 2018 · pp. 23–29 Read article
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Turbulence Modelling for Estimation of Hydraulic Jump Height
Abstract: AbstractThe simulation plays an important role in understanding the behavior of the flow field that becomes difficult through experimental analysis. The present work focuses on the experimental studies carried out for different discharges ranging from 9.8 lps to 12.5 lps. The gate openings adopted for the study are 0.025 m at a slope of 1:1200 and 0.023 m at a slope of 1:857 and 1:705.8. The simulations were extended to …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 3, 2018 · pp. 8–18 Read article
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Optimize the Efficiency of the Kaplan Turbine by Design and CFD Analysis of Runner Wheel Blades
Abstract: Abstract: Due to recent crises of electricity in the country, it is utmost need for the utilization of renewable energy resources abundantly available like hydropower. To overcome this problem of electricity shortage, hydro-power turbines can be used. Since every hydro site have different site conditions, so design and selection of the proper turbine type and size becomes more important. In this case, it is vital to adopt indigenous design and …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 1, 2019 · pp. 1–19 Read article
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Eco-friendly Drilling Fluid Water Loss Controlling Agents
Abstract: AbstractThe water loss from the drilling fluid with the addition natural additives like bagasse, natural sugar, and natural rubber was studied. The entire study is focused on improving the quality of controlling fluid loss with effect of natural additives. The concentrations of the additives were changed to achieve the desired reasonable value of fluid loss with the help of high pressure and high temperature (HPHT) filter press which worked at …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 3, 2018 · pp. 19–21 Read article
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A Review of Experimental and Numerical Investigation on the Heat Transfer in Micro-Channel Heat Exchanger for Various Nano Fluids
Abstract: AbstractA tremendous amount of work has been carried out on micro and nanoscale heat exchanger. Cooling requirement is increasing day by day in field of, high performance Aircraft gas turbine engines, Heat pumps, Air conditioning, Heat recovery ventilators, Integrated circuits (IC), VLSI devices, Computer chips, Printed circuit boards and biomedical applications etc. Many investigators focused on parameters such as Reynolds number, cross cut length, pressure drop, particle concentration of Nano …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 3, 2018 · pp. 1–7 Read article
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Reverse Engineering and CFD Analysis of Carburetor
Abstract: AbstractA carburetor is a mechanical device that provides necessary support to the superstructure of an internal combustion engine. The function of the carburetor is to mixes the air and fuel for internal combustion engine. A carburetor is used in the two wheeler vehicle. The development of carburetor through conventional manufacturing got many challenges to complexity in design geometry and high competitions in industry due to cost management. Hence a study …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 3, 2018 · pp. 22–32 Read article
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Study of Wear Behaviour of GFRP Composites filled with Nanofiller using Taguchi Technique
Abstract: AbstractThe GFRP laminates are fabricated by hand lay-up process followed by vacuum bag curing and post cured in a heating oven. The laminates are fabricated with addition of 1%, 1.5% and 2.0% graphene filler and prepared laminates are cut into ASTM standards by using water jet cutting. The density and volume fraction of the void fabricated composite is determined. The three-body abrasive wear test is carried out on abrasion tester …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 3, 2018 · pp. 33–38 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
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Short Review on the Effects of Plasma Processing Techniques in PMMA Microfluidic Device
Abstract: Abstract: The plasma processing techniques are useful for surface modifications on polymer surfaces. The appropriate surface modification alters the level of static contact angles on the polymer surfaces. The surface-driven microfluidic flow of suitable working liquid is sensitive to the static contact angle of microchannel surfaces fabricated by different polymers. Therefore, plasma processing techniques are suitable to vary the flow speed of working liquids in microfluidics. In future, this review …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 1, 2019 · pp. 20–22 Read article
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Performance Evaluation of Stream Powered Manometric Pump
Abstract: Abstract: Discharging the water from various sources like dams, wells, rivers, sea to fulfill various needs is not new objective. Windmills and river pump were the very old methods for discharge the water. Because of availability electricity the electrically operated pumps are the widely used devices for this purpose. Due to increase in awareness of the environment and increasing rates of electricity, it is again required to think about old …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 1, 2019 · pp. 29–37 Read article
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Reduction in Stress Distribution in Horizontal Well Cementing
Abstract: Abstract: This paper addresses the stress distribution problem and effect on the cement behind the casing in the horizontal wells. The uneven stress distribution in the horizontal well causes crakes and breakage of the concrete which leads to various problems like instability of the bore hole in the affected region and secondly it paves path for flow of unwanted fluids in the cemented channels. Hence, to neglect this kind of …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 1, 2019 · pp. 38–40 Read article
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A Review on Design of Radiant Cooling Concept with Room Floor and Walls
Abstract: AbstractRadiant cooling is concept in which room temperature is maintained by the radiant effect of pipe which contain cold or hot flowing water, with lower or higher temperature than its surroundings. Heat or cold will be absorbed by the flowing water of pipes. This system uses building floors, walls or ceilings for the installation of radiant pipes. In the research work, it is aimed to design an effective pipe design …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 3, 2019 · pp. 1–6 Read article
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Utilization of Oobleck for A Speed Breaker
Abstract: AbstractOobleck is a non-Newtonian fluid made of corn starch and water, easily made and biodegradable. The aim of this research article is to evaluate the performance of Oobleck as a speed breaker and compare it with Conventional Speed Breaker and plastic speed breaker. It assumes a definitive job in actualizing speed limits, along these lines averting over speeding of vehicles. It extensively helps to the general street wellbeing objective through …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 3, 2019 · pp. 17–21 Read article
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Review on Design and Plan for Installation of Solar PV Modules on University Building
Abstract: AbstractThe power generation sector is capable of generating around 152 Giga Watt but still 17 per cent villages of India generally termed as deserted or mobile areas are still non - electrified in figures it is around 450 million people who lived without electricity till the year 2008. The power sector uses the coal as a primary source of fuel. A report on behalf of ministry of coal said that …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 3, 2019 · pp. 12–16 Read article
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Efficiency Improvements in Domestic LPG Burner
Abstract: AbstractExperiments are conducted on the domestic LPG burner with porous material as preheating and combustion medium. The burner consist of two layers of porous medium. The combustion zone is made up of silicon carbide and metal chips. The stainless-steel balls as preheating zone. The performance of the domestic LPG conventional burner is calculated in terms of heating efficiency for the different thermal inputs(Wattages) and results are compared with that of …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 3, 2019 · pp. 7–11 Read article
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Natural Convection Agricultural Solar Dryer
Abstract: AbstractA solar air heater has been built with waste plastic bottles as a solar collector for drying agricultural crops. The lower part of each cylindrical collector (Plastic bottles of 1.2m in length and 0.07m of diameter) was black painted (30% of the surface area) and attached to greenhouse to dry the crops. The performance of the solar dryer was carried out with and without plastic bubble wrapper film on the …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 3, 2019 · pp. 22–27 Read article
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A Review on Earth-Air Heat Exchanger Systems
Abstract: AbstractEarth-air heat exchanger (EAHE) is a system which uses the heat and cool of ground and is utilized for the space heating and cooling purposes. Performance of EAHE is dependent on the thermal properties of soil. If the thermal quality of soil is poor so the pipe is to be buried at more depth. The concept exploits the subsoil thermal energy and uses it for producing indoor thermal comforts in …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 1, 2020 · pp. 9–14 Read article
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A Review on Erosion in Pipeline
Abstract: AbstractElbows are used widely in oil and gas extraction pipelines, ammonia gas plants, refineries, power plants etc. Pipeline erosion remains a major headache for petroleum industry with its underlying safety. The erosive problems of the pipelines influence the performance of pipe system. Continuous arrangement of elbows is often necessary due to the limit of external space and connection length between elbows is short under the circumstance. This paper presents an …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 1, 2020 · pp. 20–23 Read article
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Effect MFD Viscosity on Bénard–Marangoni Ferroconvection in a Rotating Ferrofluid Layer with Convective Surface Boundary Condition
Abstract: AbstractThe combined effect of Coriolis force due to rotation and magnetic field dependent (MFD) viscosity on the onset of Bénard–Marangoni convection in a horizontal layer of ferrofluid is investigated theoretically. The lower boundary is taken to be rigid–isothermal, while the upper free boundary open to the atmosphere is flat and subject to a convective surface boundary condition. The Galerkin technique is employed to extract the critical stability parameters numerically. It …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 2, 2020 · pp. 12–32 Read article
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A Review on Effect of Nano Fluid in Solar Collector
Abstract: AbstractIn this developing world, energy demand is growing day by day. But due to the scarcity and continuous depletion of conventional fuels, Renewable energy is an alternative source. Among all renewable energies, we have solar energy in abundance and solar collectors are commonly used to produce the energy. The fluids suffer from poor thermal and heat absorption properties which are conventional are used in solar collectors as the heat transfer …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 2, 2020 · pp. 1–4 Read article