two-phase flow measurement
Evaluation of EIT systems and algorithms for handling full void fraction range in two-phase flow measurement
... air-water flow experiment was carried out on a ...the measurement accuracy of the voltage source EIT system and MSBP algorithm depends on the flow ...quasi-homogenous flow regime will be the ...
15
Measurement of Correlation Properties of the Bubble Field in Two Phase Flow EUR 4840
... These correlation functions represent the whole physics of the two-phase flow in the sense that a the space-time flow pattern and b the physical interactions between the bubbles, which m[r] ...
30
Two phase flow and heat transfer in reflux thermosyphons
... Looking at the temperature and pressure plot in Figure 4.28 it is most obvious that there is a significant spike in the pressure reading with each boiling event. In the same way as with water, the peak of the pressure ...
194
Measurement of vertical oil-in-water two-phase flow using dual-modality ERT EMF system
... Oil-in-water two-phase fl ows are often encountered in the upstream petroleum ...The measurement of phase fl ow rates is of particular importance for managing oil production and water disposal ...
7
The Flow Measurement of Multiphase Flow Based on the Conductance Sensor
... oil-water two phase flows in the static ...the flow pattern of the fluid in real time. There are more than fourteen flow control valves installed in the pipeline system, so we can change the ...
6
Prospects for the application of radiometric methods in the measurement of two-phase flows
... The measurement of the velocity of air bubbles and the recognition of the flow regime was arranged by the measuring system consisting of two linear -radioactive sources, 241 Am (1) with an activity ...
5
Measurement Scheme of Local Water Holdup in Oil-Water Two-Phase Flow Based on Edge Effect of Interdigital Capacitance Method
... are two basic problems must to be solved: (1) Miniaturized the capacitive sensor structure to forming sensor arrays and arrange multiple detection points on the cross section of the oil well; (2) Reducing the ...
7
Two dimensional flexural ultrasonic phased array for flow measurement
... and phase spectra as functions of frequency of an array element before the backplate is bonded to the baffle, whilst figure 4 (b) shows these plots after the backplate is ...
5
Void Fraction Measurement of Gas-Liquid Two-Phase Flow from Differential Pressure
... with two tubes was adopted first. It was not suitable for the air-water flow measurement, because the small air bubbles entering the tube affected the accuracy of ...Eventually two absolute ...
10
Measurement of local two phase flow parameters of nanofluids using conductivity double sensor probe
... the two-phase flow region, has not been investigated as ...the two-phase flow of nanofluids. Hence, in this study, a two-phase flow experiment using an ...
8
Two Phase Flow Pressure Drop Measurement on Air Lift Loop with Multiple Risers
... and flow rate of air is monitored. Keeping the air flow rate constant the loop is allowed to run for certain ...the flow phenomenon has been made and noted ...
5
A hierarchy of non-equilibrium two-phase flow models
... concurrent flow of two fluid phases occurs in a wide range of industrially relevant settings, including in nuclear reactors [11], petroleum production [1, 9], heat exchangers [53], cavitating flows [58], ...
35
Multiscale Methods for Elliptic Partial Differential Equations and Related Applications
... [51], two-scale finite element methods [73], two-scale conservative subgrid approaches [9], the het- erogeneous multiscale method (HMM) [36], and multiscale mortar methods ...to two-phase ...
119
Experimental Study of Two-Phase Flow in a Liquid Cross-Flow and an Effervescent Atomizer
... At the low GLR, it is observed that the smallest hole-diameter results in a narrower band of bubble size compared to the other two diameters. With an increase in the size of the hole, the bubble size distribution ...
201
Flow regime transition criteria for two-phase flow at reduced gravity conditions
... Hence two-phase thermal systems have been developed with forced convective boiling flows which have a controllable heated surface temperature to yield a relatively high heat transfer coefficient and the ...
39
Simulation of throttle flow with two phase and single phase homogenous equilibrium model
... Over time, several methodologies have been developed for the simulation of cavitation effects, depending on the assumptions on the thermodynamic equilibrium, mechanical and thermal equilibrium, interface capturing and ...
5
Droplet formation in microfluidic cross-junctions
... A two-step model was found to be statistically valid over the whole range of literature ...their two-step model, the final droplet volume V is a result of two-stage growth, which is similar to the ...
12
Fundamental issues, technology development and challenges of boiling heat transfer, critical heat flux and two phase flow phenomena with nanofluids
... the two-phase flow, boiling heat transfer and CHF ...transfer, two phase flow regimes, pressure drop, CHF and the physical ...
140
Dynamics of liquid water in the anode flow channels of PEM fuel cells: A numerical parametric study
... order to track the dynamics of the liquid water, the two-phase flow is investigated by other methods, e.g. the pore-network (PN), Lattice Boltzmann (LB), and the volume of fluid (VOF) methods. More ...
27
Applied mathematical models of two phase human pulmonary blood flow in venules with special reference to lung cancer
... Aim of present study was to apply a mathematical model of two phase human blood flow in pulmonary Venules, keeping in view the nature of pulmonary blood circulation during lung cancer. We have ...
6