Results 21 to 30 of about 1,974 (265)

Flow Instability of a Liquid Through a Small-Scale Channel During a Flow Evaporation

open access: yesWasit Journal of Engineering Sciences, 2022
Finite volume analysis of two-dimensional model has been performed to study of the influence of heat flux and mass flux on two phase heat transfer through microchannel during water flow boiling. The channel dimensions were (5×5××50) m3.
Ahmed Al-Waaly   +2 more
doaj   +1 more source

Nucleate boiling at the forced flow of binary non-azeotropic mixtures in horizontal tubes

open access: yesMATEC Web of Conferences, 2015
Analysis of experimental values of heat transfer coefficients obtained through investigation of nucleate boiling of the two-component non-azeotropic mixtures inside the horizontal smooth tubes by various authors is presented.
Mezentseva N.N.   +2 more
doaj   +1 more source

Heat Transfer in Pool Boiling with Surfactants [PDF]

open access: yesEngineering and Technology Journal, 2010
Boiling with surfactant is important in many key industrial applications suchas the petrochemical processing, refining, refrigeration, hygiene and personal care,pharmaceutical, and food processing, among others.The aims of this study are experimental ...
Mahmoud Kamel Getan, Balasim Ahmed Abid
doaj   +1 more source

Heat-transfer characteristics of screw tube in one-side high heat load condition for fusion reactor divertor application

open access: yesInternational Journal of Advanced Nuclear Reactor Design and Technology, 2021
In this study, the heat transfer characteristics of one-side heated screw tubes were analyzed using subcooled flow boiling experiments. The experiments were performed until the critical heat flux was reached, while the applied heat flux was gradually ...
Ji Hwan Lim   +6 more
doaj   +1 more source

Approximate model for evaluation of thermal-hydraulic transients associated with rapid power increase in research nuclear reactor [PDF]

open access: yesNuclear Technology and Radiation Protection, 2020
A simple model, for the estimation of changes in the nuclear fuel element cladding temperature as well as the conditions of the formation of the onset of nucleate boiling, is proposed.
Lipka Maciej   +3 more
doaj   +1 more source

On the Mechanism of Nucleate Boiling

open access: yesTransactions of the Japan Society of Mechanical Engineers, 1965
Abstract The mechanism of nucleate boiling from a superheated surface is studied fluid-dynamically and thermodynamically. The asymmetry of the fluid-dynamical field associated with the existence of a heating surface causes the bubbles to move away from the surface with a nearly constant speed, while the surface area of the bubbles increases linearly
openaire   +1 more source

Evaporation and boiling crisis of droplets alcohol solution

open access: yesMATEC Web of Conferences, 2017
Evaporation and boiling crisis of droplets ethanol aqueous solution were studied experimentally. The evaporation intensity depends on the nucleate boiling, solution diffusion, a change in physical characteristics with time and droplet interfacial surface
Misyura S.Y., Morozov V.S.
doaj   +1 more source

Pool Boiling Performance of Multilayer Micromeshes for Commercial High-Power Cooling

open access: yesMicromachines, 2021
With the rapid development of electronics, thermal management has become one of the most crucial issues. Intense research has focused on surface modifications used to enhance heat transfer.
Kairui Tang   +6 more
doaj   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

open access: yesFEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz   +11 more
wiley   +1 more source

An epithelial GPR35 isoform supports tumor‐associated transcriptional and metabolic phenotypes

open access: yesFEBS Letters, EarlyView.
GPR35 generates two functionally distinct isoforms with previously unresolved roles. GPR35‐short mediates immune‐cell chemotaxis, while GPR35‐long is enriched in colorectal cancer epithelium, where it supports increased metabolism, proliferation, and tumor‐associated transcriptional programs.
Jørgen D. Rønneberg   +14 more
wiley   +1 more source

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