Results 281 to 290 of about 3,753,740 (344)
Cutaneous Phosphorylated Alpha‐Synuclein in Lewy Body Dementia
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To determine the test performance of cutaneous phosphorylated alpha‐synuclein (P‐SYN) in dementia with Lewy bodies (DLB), individuals with reduced Montreal Cognitive Assessment (MoCA) and healthy controls. Methods This is the first subgroup analysis of the Synuclein‐One study, a prospective, blinded study evaluating P‐SYN detection ...
Christopher H. Gibbons +31 more
wiley +1 more source
An experimental program to characterize the spray from candidate nozzles for icing-cloud simulation is discussed. One canidate nozzle, which is currently used for icing research, has been characterized for flow and drop size.
Vijay K. Dhir, Gihun Son
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Chemical Engineering Research and Design, 1998
AbstractData are presented on flow regimes, holdup and pressure drop for vertical co‐current two phase flow in a 0.026 m i.d. pipe. A universal flow regime map was not possible but flow regime transitional equations were developed for the slug to churn, churn to semi‐annular, semi‐annular to annular and annular to annular ripple boundaries.
G. S. Woods +3 more
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AbstractData are presented on flow regimes, holdup and pressure drop for vertical co‐current two phase flow in a 0.026 m i.d. pipe. A universal flow regime map was not possible but flow regime transitional equations were developed for the slug to churn, churn to semi‐annular, semi‐annular to annular and annular to annular ripple boundaries.
G. S. Woods +3 more
openaire +1 more source
2016
Basics of fluid dynamics were discussed in former chapters. But the flow we studied there was a simple one such as only a liquid or a gas. As is well known, materials can change into three forms, gas, liquid, and solid. In industrial instruments like found in chemical and nuclear power plants, flow is more likely to be multiphase than single phase. For
Hajime Akimoto +4 more
openaire +2 more sources
Basics of fluid dynamics were discussed in former chapters. But the flow we studied there was a simple one such as only a liquid or a gas. As is well known, materials can change into three forms, gas, liquid, and solid. In industrial instruments like found in chemical and nuclear power plants, flow is more likely to be multiphase than single phase. For
Hajime Akimoto +4 more
openaire +2 more sources
2014
This chapter is the third that presents an example application of TCAT to a porous medium flow and transport problem. Single-phase flow was modeled in Chap. 9. The analysis considered three entities: a fluid phase, w, a solid phase, s, and the interface between the phases, ws. In Chap.
William G. Gray, Cass T. Miller
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This chapter is the third that presents an example application of TCAT to a porous medium flow and transport problem. Single-phase flow was modeled in Chap. 9. The analysis considered three entities: a fluid phase, w, a solid phase, s, and the interface between the phases, ws. In Chap.
William G. Gray, Cass T. Miller
openaire +2 more sources
Separated two-phase flow model: application to critical two-phase flow
International Journal of Multiphase Flow, 1983Abstract A separated flow model has been developed to allow the calculation of critical flow rates for steam-water mixtures. This model considers hydrodynamic as well as thermal non-equilibrium effects which are present due to rapid depressurization. Thus, this model incorporates interphase interaction terms for momentum, energy and mass.
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Proceedings of SPE Annual Technical Conference and Exhibition, 1986
ABSTRACT Two-phase flow through wellhead chokes, including both critical and subcritical flow and the boundary between them, was studied. Data were gathered for air-water and air-kerosene flows through five choke diameters from 1/4 in. (6.35 mm) to 1/2 in. (12.7 mm), and results were compared to published correlations.
R. Sachdeva +3 more
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ABSTRACT Two-phase flow through wellhead chokes, including both critical and subcritical flow and the boundary between them, was studied. Data were gathered for air-water and air-kerosene flows through five choke diameters from 1/4 in. (6.35 mm) to 1/2 in. (12.7 mm), and results were compared to published correlations.
R. Sachdeva +3 more
openaire +1 more source
Two-phase flow models in unbounded two-phase critical flows
Nuclear Engineering and Design, 1986Abstract Referring to a Loss-of-Coolant Accident situation in LWRs, an analysis of the two-phase region just downstream from the broken pipe, in which a two-phase critical flow takes place, has been performed. A characterization of the flow pattern inside the unbounded two-phase jet is given considering: • - jet's external shape, obtained by ...
G.P. Celata +3 more
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Two-phase flow instrumentation
Nuclear Engineering and Design, 1993Abstract A careful measurement of the relevant two-phase flow parameters is the basis for the understanding of many thermohydraulic processes. Reliable two-phase instrumentation is therefore essential for the connection between analysis and experiment especially in the nuclear safety research where accident scenarios have to be simulated in ...
B. Brand +4 more
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