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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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  • Effect of injector geometry on the performance of an ...

    2010-11-1 · 1. Introduction. This paper describes the effect of injector geometry on the performance of an internally mixed injector. The objective of this effort is to develop a fuel injector whose spray properties could be varied in a controlled fashion to accommodate various operating conditions , .For example, it may be desirable to keep the mean droplet size constant while varying the fuel flow rate ...

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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 and numerical investigation of the influence ...

    2012-9-1 · To investigate the influence of the mixer diameter on ejector performance, a series of 12 measurement points was taken. Mixing sections with D MIX = 2 × 10 −3 m, D MIX = 3 × 10 −3 m, and D MIX = 5 × 10 −3 m were examined, each for the case with L MIX = 10 × D MIX, and α DIF = 5 °.

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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
  • 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
  • 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 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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  • Influence of CO2 concentration on the performance of MgO ...

    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
  • Effect of injector geometry on the performance of an ...

    2010-11-1 · 1. Introduction. This paper describes the effect of injector geometry on the performance of an internally mixed injector. The objective of this effort is to develop a fuel injector whose spray properties could be varied in a controlled fashion to accommodate various operating conditions , .For example, it may be desirable to keep the mean droplet size constant while varying the fuel flow rate ...

    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 …

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

    2012-9-1 · To investigate the influence of the mixer diameter on ejector performance, a series of 12 measurement points was taken. Mixing sections with D MIX = 2 × 10 −3 m, D MIX = 3 × 10 −3 m, and D MIX = 5 × 10 −3 m were examined, each for the case with L MIX = 10 × D MIX, and α DIF = 5 °.

    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
  • 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 …

    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 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 on the velocity field.

    Get Price
  • Influence of CO2 concentration on the performance of MgO ...

    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 accelerated (5–20% ...

    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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  • Influence of impingement edge geometry on cavity flow ...

    2012-5-17 · Influence of impingement edge geometry on cavity flow oscillations. ... Numerical investigation of flow field effects on fuel–air mixing in a non-reacting trapped vortex combustor with different injection arrangements. ... Effect of Rear Face Geometry on the Open Cavity Oscillatory Flow at …

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  • The Influence of Inlet Geometry and Back Pressure on ...

    'The Influence of Inlet Geometry and Back Pressure on Cavitation and Noise Reduction in High Pressure Nozzles.' Proceedings of the ASME/JSME 2004 Pressure Vessels and Piping Conference . Emerging Technology in Fluids, Structures, and Fluid Structure Interactions: Volume 1, Fluid Dynamics and Fluid Structure Interactions .

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  • Effects of axisymmetric sonic nozzle geometry on Mach

    2012-5-17 · Influence of nozzle geometry on the near-field structure of a highly underexpanded sonic jet Journal of Fluids and Structures, Vol. 24, No. 2 Hysteresis Phenomena of Mach Disk in Under-expanded Jet with Condensation

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  • Effect of Piston Bowl Geometry on Dual Fuel Reactivity ...

    2013-4-8 · A single-cylinder light-duty diesel engine was used to investigate dual fuel reactivity controlled compression ignition (RCCI) operated with two different fuel combinations: gasoline/diesel fuel and methanol/diesel fuel. The engine was operated over a range of conditions, from 1500 to 2300 rpm and 3

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  • 'Effect of electrode geometry on high energy spark ...

    The government, aerospace, and transportation industries are deeply invested in developing new technologies to improve the performance and maneuverability of current and future aircraft while reducing aerodynamic noise and environmental impact. One of the key pathways to meet these goals is through aerodynamic flow control, which can involve suppressing or inducing separation, transition and ...

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  • Study of the Different Factors That Influence Jet Pump ...

    2013-12-24 · A simple geometry jet pump was designed, developed and tested. The experiments show that we should ... mixing chamber length of 7.25 Dmix had proven superi- ority over the other two mixing chambers length of 6.75 and 7.86 Dmix. Mixing throat length ranging from 3.5 to ... Study of the Different Factors That Influence Jet Pump Performance Author:

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  • Selective aerobic oxidation of para-xylene in sub- and ...

    In this paper we report a strong dependence of the observed performance of the catalyst on the geometry and the configuration of laboratory scale reactors in the continuous aerobic oxidation of p-xylene in supercritical water.Small differences, such as the …

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  • Influence of Cowl Leading Edge on Inlet Performance of ...

    Influence of inflow Mach number and outflow pressure on inlet performance was also analyzed. ... Whereas a variable-geometry inlet maximizes performance, it adds weight and complexity to the ...

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  • Effects of freestream turbulence on the performance ...

    2012-5-17 · Influence of inflow turbulence intensity on the performance of bare and diffuser-augmented micro wind turbine model Renewable Energy, Vol. 87 Performance of a vertical axis wind turbine in grid generated turbulence

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  • Unraveling the influence of non-fullerene acceptor ...

    2020-11-26 · Ye, L., Weng, K., Xu, J. et al. Unraveling the influence of non-fullerene acceptor molecular packing on photovoltaic performance of organic solar cells. Nat Commun 11, 6005 (2020). https://doi.org ...

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  • Uncertainty quantification of the effects of squealer tip ...

    2020-1-13 · These geometry deviations would change the flow field near the blade tip, which will influence the thermal and aerodynamic performance. Thus, it is important to quantitatively investigate the effects of squealer tip geometry deviation on the aerothermal performance.

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  • Influence of a Mixing-Jet on Film Cooling

    An experimental analysis of the slot film cooling performance downstream of a mixing jet has been performed. The mixing jet was blown into the main flow at a position five jet diameters downstream of the slot exit. Flow visualizations of the jet and of the cooling film are presented for blowing rates of 1 and 2 with jet momentum rates of 7 and 10.

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  • Influence of Rubber Pre-Processing on the Rheological ...

    2017-1-17 · enhance the asphalt road performance. It is also common to add small quantities of rubber, such as 1%, but also higher ... with geometry of 25 mm and a gap of of 1.0 mm for neat bitumen and 1.2 mm for crumb- ... and SBS has a positive influence on the mixing efficiency and the rheological behavior of polymer-modified bitumen

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  • The Influence of Swirl on the Fresh Charge Stratification ...

    The effects of the swirl level on the fresh air charge distribution is studied by using a multi-dimensional computer code for a uniflow type two-cycle diesel engine geometry. The flow is assumed to be axisymmetric. The inlet ports are simulated as an annular opening around the liner, and the exhau

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  • Large eddy simulation of the turbulent mixing at an ...

    2021-4-15 · In the later stage of turbulent mixing, the influence of the initial wavelength on interface deformation and turbulent mixing becomes obvious. The width of the turbulent mixing zone corresponding to the shortest wavelength condition is the largest, and the gap between the shortest wavelength condition and other conditions is obvious.

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  • SAE MOBILUS

    2005-4-11 · “A numerical study of the influence of the diesel nozzle geometry in the injection rate characteristic” Fuel 83 4-5 419 431 2004 Singh I. Zhong L. Lai M.-C. Henein N.A. Bryzik W. “Effect of nozzle hole geometry on a HSDI diesel engine-out emissions” SAE Paper No 2003-01-0704 2003

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  • Selective aerobic oxidation of para-xylene in sub- and ...

    In this paper we report a strong dependence of the observed performance of the catalyst on the geometry and the configuration of laboratory scale reactors in the continuous aerobic oxidation of p-xylene in supercritical water.Small differences, such as the length of the feed …

    Get Price
  • Numerical Investigation of the Influence of Specific ...

    2014-12-23 · All numerical investigations presented in this paper were carried out using a model geometry. No experimental results were available for this geometry. The validation of the code concerning film cooling mixing was presented in [15], [16], [17] and [18] (Vogel, 1994–1996).

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  • Mixing and Transport in Coastal River Plumes

    2019-10-25 · Mixing and Transport in Coastal River Plumes. 1 Department of Civil and Environmental Engineering, University of Washington, Seattle, Washington 98195; email: [email protected] River plumes are generated by the flow of buoyant river water into the coastal ocean, where they significantly influence water properties and circulation.

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  • Influence of Laser Power and Scanning Speed on the ...

    One of the well-known methods for increasing wear resistance, especially for friction pairs, is surfacing wear-resistant materials on the working surfaces of mating parts [1, 2, 3]. Less expensive grades of steel can be used as the main material in the manufacture of parts, and the surfacing materials in this case must have increased characteristics: mechanical, corrosion and radiation ...

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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 molecules 6, 7 and 8.

    Get Price
  • Effect of injector geometry on the performance of an ...

    2010-11-1 · 1. Introduction. This paper describes the effect of injector geometry on the performance of an internally mixed injector. The objective of this effort is to develop a fuel injector whose spray properties could be varied in a controlled fashion to accommodate various operating conditions , .For example, it may be desirable to keep the mean droplet size constant while varying the fuel flow rate ...

    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 and numerical investigation of the influence ...

    2012-9-1 · To investigate the influence of the mixer diameter on ejector performance, a series of 12 measurement points was taken. Mixing sections with D MIX = 2 × 10 −3 m, D MIX = 3 × 10 −3 m, and D MIX = 5 × 10 −3 m were examined, each for the case with L MIX = 10 × D MIX, and α DIF = 5 °.

    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
  • 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
  • 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 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
  • 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
  • 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 ...

    Get Price