Results 1 to 10 of about 760,750 (155)
Unified Friction Formulation from Laminar to Fully Rough Turbulent Flow [PDF]
Applied Sciences, 2018 This paper provides a new unified formula for Newtonian fluids valid for all pipe flow regimes from laminar to fully rough turbulent flow. This includes laminar flow; the unstable sharp jump from laminar to turbulent flow; and all types of turbulent ...
Dejan Brkić, Pavel Praks
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Numerical Study on Heat Transfer and Pressure Drop in a Mini-Channel with Corrugated Walls [PDF]
Journal of Applied and Computational Mechanics, 2021 This study presents the numerical results relative to the development of heat transfer and pressure drop inside a corrugated channel, under constant heat flux conditions applied to the walls; the working fluid is air.
Abdelaziz Begag +3 more
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Numerical study on influence of a type of nanoparticles and volume fraction on turbulent heat transfer coefficient and pressure loss inside a tube [PDF]
AUT Journal of Modeling and Simulation, 2018 Conventional liquids have some limitations regarding the thermal properties. The nanoparticles addition is one of the techniques which can transcend them.
R. Davarnejad, M. Hekmat
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A device for reducing the siltation of the front chamber of the pumping station in irrigation systems [PDF]
E3S Web of Conferences, 2021 It has been determined that the reduction of siltation of the front chamber is necessary because the deposited sediments seriously violate the planned hydraulic structure of the flow when water is sucked up by pumps, as a result of which their efficiency
Urishev Boborakhim +3 more
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Towards Ecological Alternatives in Bearing Lubrication
Lubricants, 2021 Hydrogen is the cleanest fuel available because its combustion product is water. The internal combustion engine can, in principle and without significant modifications, run on hydrogen to produce mechanical energy.
Bachir Bouchehit +2 more
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Civil and Environmental Engineering, 2023 The effect of rotation rate parameter, cylinder diameter, and the variation of Reynolds number on the circular cylinder was the main object of this 2D numerical study.
Essahraoui M., El Bouayadi R., Saad A.
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Numerical Analysis of Transient Vortex Formation at the Outlet of a Tank Containing Gas-Liquid Phases [PDF]
Journal of Applied Fluid Mechanics, 2023 One of the basic phenomena when a liquid leaves a tank is the formation of vortices. This phenomenon can have a significant impact on the liquid mass remaining in the tank and the ingress of air and bubbles into the system.
M. Mohseni, M. K. Domfeh
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Earth and Space Science, 2022 Atmospheric turbulence and the planetary boundary layer (PBL) can significantly modulate the fine particulate matter (PM2.5) concentration near the ground surface.
Yue Zhou +7 more
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Cogent Engineering, 2023 The rising use of fossil fuels has had major environmental impacts, including global warming, pollution, and higher heating system costs. This emphasizes the need of increasing the efficiency of equipments such as heat exchangers used in heating and air ...
Shiva Kumar +3 more
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Numerical modeling for thermal performance augmentation of nanofluid in solar flat plate collector equipped with twisted tape [PDF]
مجله مدل سازی در مهندسی, 2019 The aim of this work is to enhance thermal performance characteristics in a solar flat plate collector with inserts typical twisted tapes and Al2O3-water nanofluid as the working fluid. Using twisted tapes make contact surface area and swirl intensity to
Seyed Ali Frashad, mohsen sheikholeslami
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