Results 21 to 30 of about 3,927,919 (281)

Fluid flow and heat transfer in a dual-wet micro heat pipe [PDF]

open access: yes, 2007
Micro heat pipes have been used to cool micro electronic devices, but their heat transfer coefficients are low compared with those of conventional heat pipes. In this work, a dual-wet pipe is proposed as a model to study heat transfer in micro heat pipes.
Watson, S.J.   +5 more
core   +1 more source

Two-phase flow of gas-liquid mixtures on horizontal helical pipes [PDF]

open access: yes, 2007
The aim of this study was to investigate hydrodynamic two -phase (namely water and air) fluid flow characteristics in helical pipes of low amplitude and straight pipes of the same internal-diameter and constructional material: the results for the two ...
Adedigba, A. G
core   +3 more sources

Visualization of working fluid flow in gravity assisted heat pipe

open access: yesEPJ Web of Conferences, 2015
Heat pipe is device working with phase changes of working fluid inside hermetically closed pipe at specific pressure. The phase changes of working fluid from fluid to vapor and vice versa help heat pipe to transport high heat flux. The article deal about
Nemec Patrik, Malcho Milan
doaj   +1 more source

Application of Double Piping Theory to Parallel-Arrayed Low-Pressure Membrane Module Header Pipe and Experimental Verification of Flow Distribution Evenness

open access: yesMembranes, 2022
In this study, the improvement effect of flow distribution evenness is evaluated quantitatively by applying the double piping theory to a parallel-arrayed low-pressure membrane module header pipe structure, and its feasibility is discussed. Orifice inner
No-Suk Park   +3 more
doaj   +1 more source

Study on the Effect of Installation Depth of Pipe on Scour Depth Under the River Crossing Pipeline in Unsteady Flow [PDF]

open access: yesعلوم و مهندسی آبیاری, 2020
Water and other fluid pipes that are placed on the seabed and rivers bed change the flow pattern around them. These changes increase the shear stress of the bed and the severity of turbulence around the pipe and create a scouring hole under the pipe. The
Sajad Bijanvand   +2 more
doaj   +1 more source

Enhanced Drag in Pipe Turbulent Flow by an Aqueous Electrolyte: an Electroviscous Effect [PDF]

open access: yes, 2009
Drag enhancement is reported for turbulent pipe flow of aqueous electrolyte solutions. No electroviscous effect was obtained with laminar flow. Nor was any unusual pressure drop observed for laminar or turbulent flow of non-electrolyte aqueous solutions ...
Chen, John J. J.   +12 more
core   +1 more source

Flow in Curved Pipes

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 1984
This paper brings together recent information on flow in curved pipes. As to fully developed laminar flow, the appearance of additional vortices for curved pipes of particular cross-sectional forms, existence of dual solutions, and effects of the pitch on the flow in a helically coiled pipe are presented.
openaire   +2 more sources

Visualization of various working fluids flow regimes in gravity heat pipe

open access: yesEPJ Web of Conferences, 2017
Heat pipe is device working with phase changes of working fluid inside hermetically closed pipe at specific pressure. The phase changes of working fluid from fluid to vapour and vice versa help heat pipe to transport high heat flux.
Nemec Patrik
doaj   +1 more source

Flow and temperature fluctuation mechanism in a downward branch pipe with a closed end (5th. report, Investigation of fluctuation mechanism for penetration depth)

open access: yesNihon Kikai Gakkai ronbunshu, 2014
Hot water in a main pipe flows into a branch pipe and forms a thermally stratified layer with cold water at a bent section. Fluctuation of the thermally stratified layer may initiates thermal fatigue crack in the branch pipe. The fluctuation mechanism of
Koji MIYOSHI   +4 more
doaj   +1 more source

Working fluid flow visualization in gravity heat pipe

open access: yesEPJ Web of Conferences, 2016
Heat pipe is device working with phase changes of working fluid inside hermetically closed pipe at specific pressure. The phase changes of working fluid from fluid to vapour and vice versa help heat pipe to transport high heat flux.
Nemec Patrik, Malcho Milan
doaj   +1 more source

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