Results 71 to 80 of about 208,593 (196)

An improved electrical-conductance sensor for void-fraction measurement in a horizontal pipe

open access: yesNuclear Engineering and Technology, 2015
The electrical-impedance method has been widely used for void-fraction measurement in two-phase flow due to its many favorable features. In the impedance method, the response characteristics of the electrical signal heavily depend upon flow pattern, as ...
Min Seok Ko   +5 more
doaj   +1 more source

Characterization of Two-Phase Flow in Microchannels [PDF]

open access: yes, 2002
Aluminum multi-port microchannel tubes are currently utilized in automotive air conditioners for refrigerant condensation. Recent research activities are directed toward developing other air conditioning and refrigeration systems with microchannel ...
Hrnjak, P.S., Newell, T.A., Nino, V.G.
core  

Numerical Study of the Steady-State Subchannel Test-Case with NEPTUNE_CFD for the OECD/NRC NUPEC PSBT Benchmark

open access: yesScience and Technology of Nuclear Installations, 2012
The multifield computational fluid dynamics (CFD) code NEPTUNE_CFD is applied to carry out a numerical study of the steady-state subchannel test-case of the OECD/NRC NUPEC PWR subchannel and bundle tests (PSBTs) international benchmark, focusing on the ...
C. Baudry   +5 more
doaj   +1 more source

Three dimensional analysis of temperature effect on control rod worth in TRR

open access: yesNuclear Engineering and Technology, 2018
In this paper, three-dimensional neutronic calculations were performed in order to calculate the dependency of CRW on the temperature of fuel and moderator and the moderator void.
Maedeh Yari   +3 more
doaj   +1 more source

Hyperuniformity, quasi-long-range correlations, and void-space constraints in maximally random jammed particle packings. II. Anisotropy in particle shape

open access: yes, 2011
We extend the results from the first part of this series of two papers by examining hyperuniformity in heterogeneous media composed of impenetrable anisotropic inclusions.
Chase E. Zachary   +5 more
core   +1 more source

Experimental Research and Numerical Simulation on Gas-Liquid Separation Performance at High Gas Void Fraction of Helically Coiled Tube Separator

open access: yesInternational Journal of Chemical Engineering, 2014
The industrial removal process of the light hydrocarbon and water from wet natural gas can be simulated in laboratory with the independently designed helically coiled tube gas-liquid separator.
Yongxue Zhang   +3 more
doaj   +1 more source

Experimental investigation of the effect of liquid viscosity on slug flow in small diameter bubble column

open access: yesEPJ Web of Conferences, 2012
The effect of liquid viscosity on slug flow in a 50 mm diameter bubble column was investigated experimentally using air-silicone oil as operating fluid with silicone oil of viscosities 5, 100, 1000 and 5000 mPa.s.
Azzopardi Barry John   +2 more
doaj   +1 more source

Determination of Cluster Hydrodynamics in Bubbling Fluidized Beds by the EMMS Approach

open access: yesJournal of Chemical and Petroleum Engineering, 2011
The local solid flow structure of gas-solid bubbling fluidized bed was investigated to identify and characterize the particle clusters. Extensive mathematical calculations were carried out using the energy-minimization multi-scale (EMMS) approach for ...
Farzaneh Moradgholi   +2 more
doaj   +1 more source

Steps toward the power spectrum of matter. II. The biasing correction with sigma_8 normalization

open access: yes, 1998
A new method to determine the bias parameter of galaxies relative to matter is suggested. The method is based on the assumption that gravity is the dominating force which determines the formation of the structure in the Universe.
A. A. Starobinsky   +27 more
core   +1 more source

Development of a Model Foamy Viscous Fluid

open access: yesOil & Gas Science and Technology, 2013
The objective is to develop a model viscous foamy fluid, i.e. below the very wet limit, the rheological and stability properties of which can be tuned.
Vial C., Narchi I.
doaj   +1 more source

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