Results 11 to 20 of about 17,657,684 (289)

Liquid - liquid flows in microchannels [PDF]

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Dore, V   +3 more
core   +6 more sources

Modelling of transient gas-liquid flow and pigging in pipes [PDF]

open access: yes, 1999
More and more transient gas-liquid operations in pipes are being successfully applied in the oil and gas industry. Pigging in two-phase pipelines, to remove liquid accumulation or for cleaning purposes, is an important transient operation.
Lima, P. C. R.
core   +7 more sources

High pressure falling sinker liquid viscosity determination without supplementary density data : a new approach [PDF]

open access: yes, 2009
Accurate measurement and determination of liquid viscosity data under high pressure conditions requires knowledge of liquid density data. In this study, a high pressure falling sinker-type viscometer was used to determine the viscosity of n-dodecane at ...
Schaschke, C.J., Zeng, Minyu
core   +2 more sources

Pressure Drop Hysteresis of Hydrodynamic States in Packed Tower for Foaming Systems [PDF]

open access: yes, 2011
An experimental investigation was carried out to determine the effects of gas and liquid flow velocities and surface tension on the two-phase phase pressure drop a in a downflow trickle bed reactor. Water and non-Newtonian foaming solutions were employed
Renu Gupta   +3 more
core   +2 more sources

Safety of hydrogen storage and transportation: An overview on mechanisms, techniques, and challenges

open access: yesEnergy Reports, 2022
The extensive usage of fossil fuels has caused significant environmental pollution, climate change and energy crises. The significant advantages of hydrogen, such as cleanliness, high efficiency, and a wide range of sources, make it quite promising ...
Hao Li   +7 more
doaj   +1 more source

High pressure viscosity measurement with falling body type viscometers [PDF]

open access: yes, 2010
With the increasing number of applications of high pressure chemical and process technologies across a range of engineering fields, there is a corresponding growing interest in the need to measure accurately and reliably important rheological parameters.
Schaschke, Carl
core   +3 more sources

Ultra-High-Pressure Liquid Chromatography ☆ [PDF]

open access: yes, 2017
One decade has passed since the introduction of commercial ultra-high-pressure liquid chromatography (UHPLC) technology and columns packed with sub-2-μm particles, which has led to significant improvements in separation efficiency and sample throughput. This article outlines fundamental and practical aspects of UHPLC.
Eeltink, Sebastiaan, De Vos, Jelle
openaire   +2 more sources

High-pressure diamondlike liquid carbon [PDF]

open access: yesPhysical Review B, 2004
We report density-functional based molecular dynamics simulations, that show that, with increasing pressure, liquid carbon undergoes a gradual transformation from a liquid with local three-fold coordination to a 'diamond-like' liquid. We demonstrate that this unusual structural change is well reproduced by an empirical bond order potential with ...
Ghiringhelli, L.M.   +4 more
openaire   +6 more sources

Experimental study of shock pressure and erosion characteristics of high‐pressure gas–liquid two‐phase jet: Exploration for improving coalbed methane extraction efficiency

open access: yesEnergy Science & Engineering, 2023
Coalbed methane extraction promotes energy exploitation and alleviates the greenhouse effect. This study aimed to analyze the technical potential of a high‐pressure gas–liquid two‐phase jet in increasing coalbed permeability and promoting coalbed methane
Longyong Shu   +4 more
doaj   +1 more source

Thermodynamic properties of liquid sodium under high pressure

open access: yesAIP Advances, 2017
Acquiring reliable thermodynamic properties in liquid metals at high pressure and temperature is still a challenge in both experiment and theory. Equation of state (EoS) offers an alternative approach free of many of the difficulties.
Huaming Li   +3 more
doaj   +1 more source

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