... submodels (such as droplet break-up, droplet collisions, and chemical kinetics) reduce the accuracy of these numerical simulations, requiring experimentation to confirm the accuracy of the models. Combustion Computational fluid dynamics Evaporation Fuels Turbulence Two-phase Combustion...

... and temperature gradients is extended to two-phase condensing flows modeled within an Eulerian–Eulerian framework. This requires some modifications of the general approach and the inclusion of additional models to account for thermodynamic and kinematic relaxation processes. With this approach, the entropy...

... conversion Gas turbine technology Heat recovery Modeling Power systems Temperature Thermal Thermodynamics Turbines Two-phase Vibration Over the past years, the consumption of fossil fuel continues to grow [ 1 ] due to the increase in energy demand in both heat and electricity forms...

... upstream into the fuel tube forms bubbles and mixes turbulently with the incoming fuel. The two-phase mixture with small air bubbles then leaves the orifice to form a fine spray. The rapid bursting of air bubbles as they experience a sudden pressure drop across the orifice is the mechanism for FB primary...

.... The performance of the cascade under two-phase flow was analyzed using laser Doppler anemometry/phase Doppler anemometry measurement technique in terms of loss coefficient based on wake momentum thickness and flow turning. It is shown that the wettability of the surface has significant effects on the film...

... transfer Design optimization Droplet Environmental Evaporation Experimental Jets Mass Transfer Sprays Thermodynamics Two-phase Vaporization Marine diesel engines operate at high temperatures and use heavy oil with high sulfur content [ 1 ]. This leads to high emissions of nitrogen oxides...

... Environmental Evaporation Gas turbine technology Heat transfer Multiphase flows Particulate Phase change Thermal Two-phase 22 07 2017 13 09 2017 Contributed by the Combustion and Fuels Committee of ASME for publication in the J OURNAL OF E NGINEERING FOR G AS T URBINES AND P...

... this advance is an epicyclic reduction gearbox (Fig. 1 ). Computational fluid dynamics Fluids Modeling Multiphase flows Shear Flows Swirling Two-phase Copyright © 2018 by ASME 2018 0742-4795/2018/140(6)/062501/9/ $25.00 ...

...Craig Nolen; Melissa Poerner The distribution of water in the diffuser of a wet gas compressor is not well understood. Measurements of water film thickness across the diffuser surface would improve the understanding of two-phase flow phenomena in wet gas compressors. Electromagnetic probes were...

... Wisler. 26 07 2017 09 08 2017 Aeronautical propulsion Aerothermodynamics Combustion Combustors Computational fluid dynamics Engines Flame Fuel combustion Fuels Gas turbine technology Modeling Multiphase flows Sprays Swirling Turbulence Turbulent Two-phase Unsteady...

... Equilibrium Measurement techniques Thermodynamics Two-phase To enable economically viable large-scale carbon capture and storage, advanced fluid machinery compatible with supercritical fluids and operating at improved efficiency levels are necessary. The high pressures and multiphase flow...

... at 514.5 nm is used to create vertical tomographic slices of the droplet spray under hot fire conditions. The laser slice in Fig. 2 shows the hollow liquid spray cone established in the chamber. Note that droplets are still present all along the combustion zone. This confirms the nonpremixed two-phase...

... to the bearing chamber before it is extracted out by a scavenge pump. Scavenging oil from the bearing chamber is challenging due to high windage induced by the fast rotating shafts as well as the two-phase nature of the flow. A deep sump has been found to increase scavenge performance due to its ability...

... Turbulent Two-phase Unsteady Unsteady flows Steam turbines, which account for a large part of the world power generation, in order to cope with the growth of the renewable energies share in the power generation mix, are required operational flexibility. This means that nowadays a considerable...

... combustion engines Measurement techniques Mixed Process Multiphase flows Nonintrusive diagnostics Two-phase Visualization After recording the initial data, the three injectors were treated with the fuel system cleaning service. The variation in the atomization injectors exhibited after...

...J. Marrero-Santiago; A. Verdier; C. Brunet; A. Vandel; G. Godard; G. Cabot; M. Boukhalfa; B. Renou Aeronautical gas turbine ignition is still not well understood and its management and control are mandatory for new lean-burner designs. The fundamental aspects of swirled confined two-phase flow...

... OF E NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received July 9, 2017; final manuscript received July 20, 2017; published online October 3, 2017. Editor: David Wisler. 09 07 2017 20 07 2017 Computational fluid dynamics Cooling Environmental Multiphase flows Two...

... 2017 13 07 2017 Experimental Modeling Multiphase flows Particulate Two-phase Aircraft engines are subject to a series of influences that lead to deterioration and damage during their operation. In order to provide efficient maintenance planning and effective preventive...

... in a (wet gas) compressor or a (multiphase) pump, a two phase flow condition does affect its leakage and dynamic force coefficients. In 1993, Iwatsubo and Nishino [ 5 ] report tests conducted in a pump annular seal operating with an air in water mixture, find the experimental rotordynamic force coefficients...

...Min Zhang; James E. Mclean, Jr; Dara W. Childs A two-phase annular seal stand (2PASS) has been developed at the Turbomachinery Laboratory of Texas A&M University to measure the leakage and rotordynamic coefficients of division wall or balance-piston annular seals in centrifugal compressors...