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  • The influence of molecular geometry on the efficiency of ...

    The focus is on studying the intricate role of the steric effects that influence molecular geometry, and the energy of electronic excited states on the photophysics of TADF. X-ray crystal data Fig. 2 shows the molecular structures obtained from X-ray experiments for …

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  • Experimental and numerical investigation of the influence ...

    2012-9-1 · The R744 two-phase ejector assembly consisted of a stainless steel nozzle section, brass mixing and diffuser sections, and a stainless steel ending section (see Fig. 2).The investigation into the influence of geometry was limited to different sizes of the mixer and the diffuser with a constant geometry of the motive nozzle.

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  • Numerical investigation of the influences of mixing ...

    2014-11-17 · In studying the influence of the mixing chamber length on the performance of the steam ejector, the primary, the secondary and the back pressure are fixed at 600 kPa, 15 kPa and 40 kPa, respectively. The mixing chamber length is changed without changing the convergence angle and the outlet diameter of the mixing chamber.

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  • Experimental investigations of the influence of mixing ...

    The experimental apparatus and procedure are described. The aim of the research was to investigate the influence of the ejector geometry on is performance. A special attention was paid to the influence of the mixing chamber length on the gas suction rate, ejector efficiency as well as on the friction loss coefficient of the mixing chamber.

    Get Price
  • Influence of MBBR carriers’ geometry on its flow ...

    2018-8-1 · The geometry of MBBR carrier, cross-section of the MBBR carrier and the exemplary geometry with boundary conditions are presented at Fig. 1 and Fig. 2. Simulations were performed with 3 different inlet velocities and 7 different angles of inclination of the carrier θ to check its influence …

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  • The Influence of Shroud and Cavity Geometry on Turbine ...

    2008-6-17 · Imperfections in the turbine annulus geometry, caused by the presence of the shroud and associated cavity, have a significant influence on the aerodynamics of the main passage flow path. In this paper, the datum shroud geometry, representative of steam turbine industrial practice, was systematically varied and numerically tested.

    Get Price
  • The Influence of Tip Geometry and Distance on Light

    2008-1-1 · Therefore, for lower distances between the light guide and the restorative material, the tip with a higher R-value is more efficient. Between 4 mm and 5 mm of distance, there is a change in efficacy between the two tips, and the tip with R=1.18 generates a higher depth of cure (4.52 ± 0.02 mm) than the tip with R=1.63 (4.44 ± 0.03 mm).

    Get Price
  • Effects of Focus Geometry on the Hard Rock-Cutting ...

    Abrasive waterjets are being increasingly used in civil engineering for rock and concrete cutting, particularly for the demolition or repair of old structures. The energy of an abrasive waterjet is primarily provided by the accelerated abrasive. The momentum transfer during mixing and acceleration determines the abrasive velocity, which affects the cutting performance.

    Get Price
  • Influence of CO2 concentration on the performance of

    2021-1-1 · This paper investigated the influence of different CO 2 concentrations on the microstructural and mechanical development of reactive MgO cement (RMC) concrete. Combination of various analyses revealed the enhancement of hydrated magnesium carbonate (HMC) phases with relatively superior micro-mechanical properties as the CO 2 concentration increased from ambient (~0.04%) to …

    Get Price
  • The influence of molecular geometry on the efficiency of ...

    The focus is on studying the intricate role of the steric effects that influence molecular geometry, and the energy of electronic excited states on the photophysics of TADF. X-ray crystal data Fig. 2 shows the molecular structures obtained from X-ray experiments for molecules 6, 7 and 8.

    Get Price
  • Experimental and numerical investigation of the influence ...

    2012-9-1 · The R744 two-phase ejector assembly consisted of a stainless steel nozzle section, brass mixing and diffuser sections, and a stainless steel ending section (see Fig. 2).The investigation into the influence of geometry was limited to different sizes of the mixer and the diffuser with a constant geometry of the motive nozzle.

    Get Price
  • Numerical investigation of the influences of mixing ...

    2014-11-17 · In studying the influence of the mixing chamber length on the performance of the steam ejector, the primary, the secondary and the back pressure are fixed at 600 kPa, 15 kPa and 40 kPa, respectively. The mixing chamber length is changed without changing the convergence angle and the outlet diameter of the mixing chamber.

    Get Price
  • Experimental investigations of the influence of mixing ...

    The experimental apparatus and procedure are described. The aim of the research was to investigate the influence of the ejector geometry on is performance. A special attention was paid to the influence of the mixing chamber length on the gas suction rate, ejector efficiency as well as on the friction loss coefficient of the mixing chamber.

    Get Price
  • The Influence of Shroud and Cavity Geometry on Turbine ...

    2008-6-17 · Imperfections in the turbine annulus geometry, caused by the presence of the shroud and associated cavity, have a significant influence on the aerodynamics of the main passage flow path. In this paper, the datum shroud geometry, representative of steam turbine industrial practice, was systematically varied and numerically tested.

    Get Price
  • Effects of Focus Geometry on the Hard Rock-Cutting ...

    Abrasive waterjets are being increasingly used in civil engineering for rock and concrete cutting, particularly for the demolition or repair of old structures. The energy of an abrasive waterjet is primarily provided by the accelerated abrasive. The momentum transfer during mixing and acceleration determines the abrasive velocity, which affects the cutting performance.

    Get Price
  • Influence of CO2 concentration on the performance of

    2021-1-1 · This paper investigated the influence of different CO 2 concentrations on the microstructural and mechanical development of reactive MgO cement (RMC) concrete. Combination of various analyses revealed the enhancement of hydrated magnesium carbonate (HMC) phases with relatively superior micro-mechanical properties as the CO 2 concentration increased from ambient (~0.04%) to …

    Get Price
  • Influence of MBBR carriers’ geometry on its flow ...

    2018-8-1 · The geometry of MBBR carrier, cross-section of the MBBR carrier and the exemplary geometry with boundary conditions are presented at Fig. 1 and Fig. 2. Simulations were performed with 3 different inlet velocities and 7 different angles of inclination of the carrier θ to check its influence …

    Get Price
  • The Influence of Tip Geometry and Distance on Light

    2008-1-1 · Therefore, for lower distances between the light guide and the restorative material, the tip with a higher R-value is more efficient. Between 4 mm and 5 mm of distance, there is a change in efficacy between the two tips, and the tip with R=1.18 generates a higher depth of cure (4.52 ± 0.02 mm) than the tip with R=1.63 (4.44 ± 0.03 mm).

    Get Price
  • Effect of Nanotube Geometry on the Strength and

    Abstract. This study investigated the effect of multiwalled carbon nanotubes’ geometry on the dispersion and strength of cement composites. Mixes with CNTs contents ranging from 0.03 to 0.25% were prepared and tested using CNTs’ diameters of 10–20, 20–30, and 30–50 nm and lengths of 0.5–2 and 10–30 μm.The samples’ microstructures were then examined using a scanning electron ...

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