Thermodynamic Relations

Teisseyre, Roman; Teisseyre-Jeleńska, Maria

doi:10.1007/978-3-642-31860-3_8

Cited by 1 publication

(3 citation statements)

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“…As a result of the integration of equation 7in the gas velocity field, trajectories of particle fractions were obtained. Knowledge of the trajectories is the basis for determining interphase interactions according to equation (6). Details of calculations can be found in [26].…”

Section: Calculation Methodologymentioning

confidence: 99%

“…The pressure drop in the nozzle was used to determine the mass flow of the mixture. As Teisseyre's later studies [4,6] show, the Carlson method is not suitable for continuous measurements due to the gradual wear of the orifice and the dependence of the orifice differential pressure on the particle concentration in the mixture. Fabar [7] implemented the first systematic study on the Venturi tube, created with the recommendations of the ISA standard.…”

Section: Venturi Flow Meters In the Gas-particle Flow Measurement Sysmentioning

confidence: 99%

“…1a). This method was also used in the works of Teisseyre [4,6], Leroch [14], Barth [15], Jung [16,17], Szatil [10] and finally Payne and Crowe [18]. In addition to the pressure drop measurement ∆ !"…”

Section: Venturi Flow Meters In the Gas-particle Flow Measurement Sysmentioning

confidence: 99%

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A numerical analysis of metrological properties of Venturi tube in the air-coal particle mixture flow measurement in power industry

2017

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The main topic of the study is to evaluate the effect of particle concentration and fractional composition on the differential pressure in the Venturi tube during the measurement of flow rate of the gasparticle mixture. Gas phase flow was described by Euler method, while particles movement by Lagrange method. Calculations were performed using ANSYS Fluent Package. A series of numerical calculations were carried out on the particle loading ratio Y ≤ 2 and their diameters of 10 µm ≤ d p ≤ 200 µm. It has been found that, except for the Y concentration loading ratio, the increase in the differential pressure in the venturi tube also affects the Stokes number. It depends on the flow conditions and particles diameter. A correction function has been proposed to determine the effect of particles diameter on the results of the mixture flow measurement. The results of the calculations were compared with the Lee and Crowe experimental data. A good comparison of calculation results to measurement results was found.

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Section: Calculation Methodologymentioning

confidence: 99%

Section: Venturi Flow Meters In the Gas-particle Flow Measurement Sysmentioning

confidence: 99%