Results 61 to 70 of about 115,557 (199)

On supercritical branching processes with emigration

Journal of Applied Probability, 2022
AbstractWe study supercritical branching processes under the influence of an independent and identically distributed (i.i.d.) emigration component. We provide conditions under which the lifetime of the process is finite or has a finite expectation.
openaire   +4 more sources

Supercritical-fluid extraction of oil-palm components

, 1995
Residue from the mechanical processing of palm oil was treated with supercritical-fluid extraction (SFE) to extract carotenes. This was done at different extraction conditions.
Johannsen, Monika, Brunner, Gerd, Nair, Narendran, Birtigh, Andreas   +3 more
core   +1 more source

Numerical Study of Proppant Transport with Supercritical CO₂ in Fracture

Shiyou jixie, 2018
Supercritical CO2 (SC-CO2) fracturing is one of the new waterless fracturing technologies, which has been drawn much attention because of its environmental friendly and highly efficient advantages. However, the capacity and behavior of proppant transport
Wang Meng, Wang Haizhu, Li Gensheng, Yang Bing, Zheng Yong, Lu Qun   +5 more
doaj  

PALM KERNEL OIL SOLUBITY EXAMINATION AND ITS MODELING IN EXTRACTION PROCESS USING SUPERCRITICAL CARBON DIOXIDE

Reaktor, 2013
Application of  supercritical carbon dioxide (SC-CO2) to vegetable oil extraction became an attractive technique due to its high solubility, short extraction time and simple purification.
Wahyu Bahari Setianto, Priyo Atmaji, Didi Dwi Anggoro   +2 more
doaj   +1 more source

Coning during withdrawal from two fluids of different density in a porous medium [PDF]

, 2009
The steady response of the interface between two fluids with different density in a porous medium is considered during extraction through a line sink. Supercritical withdrawal, or coning as it is often called, in which both fluids are being withdrawn, is
Hocking, GC, Hocking, G.C., Zhang, H., Zhang, H   +3 more
core   +1 more source

Optimizing the process of supercritical extraction of lemon balm (Melissa Officinalis L.) [PDF]

, 2010
This work investigates the process of extraction of lemon balm (Melissa officinalis L.) by treatment with carbon dioxide at supercritical conditions. The process kinetics is studied at different operational conditions, and the influence of some important
Camy, Séverine, Condoret, Jean-Stéphane, Angelov, George, Penchev, Petko Ivanov   +3 more
core  

Numerical Simulation of Two-Phase Flow Pattern of Supercritical Carbon Dioxide With PAG-Type Lubricating Oil in Gas Cooler [PDF]

, 2012
It has been reported that lubricating oil has a significant influence on the cooling heat transfer of supercritical carbon dioxide. In this study, numerical analysis of the flow pattern of a carbon dioxide (CO2)-oil mixture in a gas cooler was conducted ...
Dang, Chaobin, Hihara, Eiji, Arai, Shintaro   +2 more
core  

A Validation of the Junction Riemann Problem in Networks of Channels Under Transitory Flow Conditions

Fluids
Transitory states and supercritical regimes in channel junctions have been challenging to model using 1D models, and it has been common to resort to 2D models to locally solve networks of channels.
Juan Mairal, Javier Murillo, Pilar Garcia-Navarro   +2 more
doaj   +1 more source

Ultra-supercritical coal power plants : materials, technologies and optimisation /

, 2013
The continued use of coal as a means of generating electricity and an increasing demand for cleaner, more efficient energy production has led to advances in power plant technology. Ultra-supercritical coal power plants reviews the engineering, operation,
Zhang, Dongke,editor.
core  

Determination of Pure Neutron Radiolysis Yields for use in Chemical Modeling of Supercritical Water [PDF]

, 2007
This work has determined pure neutron radical yields at elevated temperature and pressure up to supercritical conditions using a reactor core radiation.
Edwards, Eric
core