Liquid-gas ows without phase change
Development of a gas/liquid phase change actuator for high temperatures
... Thus, we realized directional motion with gas/liquid phase changes in a high temperature environment using that actuator [17, 18]. In this paper, we discuss the development of another actuator for ...
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Peptide Identification and Quantification by Gas Phase Fractionation Enables Proteomics Without Liquid Chromatography
... coupling this reduced isolation width to FAIMS, complexity can be even further reduced down to 164 peptide precursors. This theoretical analysis indicated that, indeed, increased gas-phase fractionation ...
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Capacitive gas-phase detection in liquid nitrogen
... that phase changes inside a vessel can be detected without parasitic heating under cryogenic ...large gas bubble above a homogenous liquid on the one hand, and the identification of a bubble ...
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2 Solid-liquid phase change materials
... Fig. 2.2. Classes of materials that can be used as PCM and their typical range of melting tem- perature and melting enthalpy (picture: ZAE Bayern). By far the best-known PCM is water. It has been used for cold storage ...
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A method for detecting bubbles in two-phase gas-liquid flow
... a change in intensity of the laser ...and change its ...calculated. Liquid and gas phases in the present work are water and air, ...constant liquid height (60 mm above the needle), ...
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Analysis of Solid-Liquid Phase Change under Pulsed Heating
... solid–liquid phase change occurring in a rectangular enclosure under pulsed heating from one ...and without metal foam has important implications for the thermal management of transient energy ...
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Review of solid–liquid phase change materials and their encapsulation technologies
... fragrant margin oil and MF as core and shell materials respectively. The experimental study which was conducted at an emulsion speed of 3000 rpm resulted in a MEPCM of particle size smaller than 10μm. Other encapsulation ...
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Liquid-vapor phase change phenomena for heat exchangers and electronics cooling
... 148 highly efferent pool boiling heat transfer that has an order of magnitude increase in crucial heat flux when compared to dielectric liquids. Furthermore, operating temperatures of electronics at atmospheric pressures ...
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Interrogating the effect of an orifice on the upward two-phase gas–liquid flow behavior
... slightly change just after the orifice due to the effect of this latter on this kind of flow ...lower liquid superficial velocity and higher gas velocities combinations, corresponding to churn flow ...
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Interrogating the effect of an orifice on the upward two phase gas–liquid flow behavior
... slightly change just after the orifice due to the effect of this latter on this kind of flow ...lower liquid superficial velocity and higher gas velocities combinations, corresponding to churn flow ...
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Fluctuations, Phase Separation and Wetting Films near Liquid-Gas Critical Point
... temperature change, δ T, appeared along the liquid-gas interface, it would create a surface tension gradient δσ =(d σ /dT) δ T that would drive a thermal-capillary or a Marangoni flow in the bulk of ...
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Slug flow heat transfer without phase change in microchannels: A review
... The earliest studies of non-boiling two-phase flow with slugs of a dis- continuous phase in a continuous liquid were reported by Fairbrother and Stubbs (1935), Taylor (1961) and Bretherton (1961). ...
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Liquid-gas boundary catalysis by gold/polystyrene-coated hollow titania and the effective location of active sites in liquid-liquid phase-boundary catalyst
... in liquid-gas PBC ...reaction without stirring and ...of liquid, thus allowing the reaction between gas and liquid substrates to take place without ...
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Void Fraction Measurement of Gas-Liquid Two-Phase Flow from Differential Pressure
... Figure 7. Relative difference with and without pipe wall friction 5. CONCLUSIONS Two absolute pressure sensors are used to measure differential pressure. The method has benefits of low capital cost and ease of ...
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ABSTRACT: Cholesteric liquid crystals (CLC) change colour at phase transition temperatures and their sensitivity to
... 2] Measurement of Density: The conventional methods for measurement of density require very large quantities of sample which is very expensive; we have tried different method for measuring density so as to reduce cost of ...
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Liquid gas phase transition at and below the critical point
... Our analysis is correct in the region of densities η , where the cumulant M 4 is finite and negative, namely at 0.02 É η É 0.2. Let us note that integration is carried out in the phase space of collective vari- ...
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Gas-liquid two-phase flow in inclined pipes
... on gas-liquid two-phase flows behaviour in inclined pipes an experimental programme was carefully ...corresponding gas and liquid flow ...
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Phase-Field Modeling and Simulation of Gas Bubble Coalescence and Detachment in a Gas-Liquid Two-Phase Electrochemical System
... a gas-liquid-solid three-phase system, the contact angle is measured through the liquid ...the liquid and the outline of the contact ...the liquid can affect the contact angle ...
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On the formation and propagation of hydrothermal waves in liquid layers with phase change
... 2.6 The Numerical method A primitive-variable approach has been used to solve numerically the governing equations and the related boundary conditions. Following typical past implementations of such a solution strategy, ...
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Review of solid-liquid phase change materials and their encapsulation technologies
... solid-liquid phase change materials (PCMs) have been reviewed for thermal energy storage ...and phase segregation problems during phase change ...
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