... the influence of geometry configurations and thermodynamic conditions on shock location and intensity, providing comparisons for shock waves occurring in two-phase flows and supercritical single-phase flows. Turbo Expo, June 24–28, 2024. GT2024. 1 Corresponding author. 09 09 2024 11 09...

... to predict the high-speed collisions, and the critical viscosity theory, combined with the soft sphere model, limits the solution time-step of gas-particle two-phase flow, leading to an excessive computation cost. Yu et al. established the energy dissipation collision theory of spherical particles [ 14 – 16...

... ) ] [ D XX D YX D XY D YY ] Fig. 7 The test rig: ( a ) end view and ( b ) side view The test rig: (a) end view and (b) side view where F S is seal reaction force modeled by Eq. (14) for two-phase-flow condition, F...

.... Gas Turbines Power , 128 ( 1 ), pp. 103 – 110 . 10.1115/1.1924485 [6] Kurz , W. , Dullenköpf , K. , and Bauer , H. , 2011 , “ The Impact of Geometry Variations on the Two-Phase Flows in Aero-Engine Bearing Chambers ,” Proceedings of International Symposium on Air...

...Mingcong Luo; Qun Zheng; Lanxin Sun; Qingfeng Deng; Song Li; Chunlei Liu; Rakesh K. Bhargava The inlet fogging effects on the stable range of a NASA transonic compressor stage, Stage 35, are numerically simulated and analyzed in this paper. The 3D two-phase flow fields in the compressor stage...

... flow pumps rotors seals (stoppers) two-phase flow vibration control viscosity Annular (damper) seals restrict secondary leakage between stages in centrifugal pumps and compressors. The working fluid is a process liquid of light viscosity or a process gas. Annular seals, although similar...

... assumption and the blade force model enable the effective calculation for multistage flows, even when the flow is strongly unsteady under off-design conditions. To take into account steam properties including effects of the gas-liquid phase change and two-phase flow, a flux-splitting procedure...

...Ibrahim A. Sultan; Carl G. Schaller Positive displacement expanders are quickly gaining popularity in the fields of micropower generation and refrigeration engineering. Unlike turbomachines, expanders can handle two-phase flow applications at low speed and flow rate levels. This paper is concerned...

...Lanxin Sun; Qun Zheng; Mingcong Luo; Yijin Li; Rakesh Bhargava The process of wet compression in an axial compressor is an intricate two-phase flow involving not only heat and mass transfer processes but also droplet breakup and even formation of discontinuous water film on the blade surface...

...François Gruselle; Johan Steimes; Patrick Hendrick The Aero-Thermo-Mechanics (ATM) Department of ULB (Université Libre de Bruxelles) is developing an original system to pump and separate a two-phase flow. Many applications need to extract a certain phase of a multiphase flow: oil extraction, flow...

...Christophe Vallée; Tobias Seidel; Dirk Lucas; Akio Tomiyama; Michio Murase In order to investigate the two-phase flow behavior during countercurrent flow limitation in the hot leg of a pressurized water reactor, two test models were built: one at the Kobe University and the other at the TOPFLOW...

...Hyoung Kyu Cho; Byong Jo Yun; Ik Kyu Park; Jae Jun Jeong For the analysis of transient two-phase flows in nuclear reactor components such as a reactor vessel, a steam generator, and a containment, KAERI has developed a three-dimensional thermal hydraulic code, CUPID . It adopts a three-dimensional...

... discernible flow patterns, which names dispersed bubbly, coalesced bubbly, churn flow, and annular flow are observed. Flow visualization in two dimensions of two-phase flow patterns for narrow rectangular channel, which provided clearer evidence to distinguish flow patterns, have been performed. Based...

... reactors two-phase flow gas-liquid two-phase flow bubble flow drag coefficient interfacial area concentration two-fluid model Subchannel analysis is a familiar method to predict the thermal and hydraulic behaviors of a coolant in a fuel rod bundle in boiling water nuclear reactors (BWRs...

... fluid dynamics heat transfer machine bearings pipe flow temperature distribution two-phase flow vents (mechanical components) Advanced aircraft engine development dictates high standards of reliability for the lubrication systems not only in terms of the proper lubrication of the bearings...

... ,” Science and Technology of Nuclear Installations , 2008 , Article ID 672704 . 10.1155/2008/672704 28 07 2009 09 09 2009 07 07 2010 07 07 2010 fission reactor cooling heat transfer two-phase flow For the comparative study, a uniform diameter rectangular loop has...

.... ASME J. Eng. Gas Turbines Power , 127 ( 4 ), pp. 897 – 908 . 10.1115/1.1914803 0742-4795 Yuan , W. , and Schnerr , G. H. , 2003 , “ Numerical Simulation of Two-Phase Flow in Injection Nozzles: Interaction of Cavitation and External Jet Formation ,” Trans. ASME J. Fluids Eng...

... (mechanical) jets missiles nozzles shielding slip flow two-phase flow The main function of the IHA, which is installed on the reactor vessel (RV) closure head, is to lift RV closure head and to provide cooling air path for the CEDM cooling. The IHA is designed to reduce the refueling outage time...

...Bai Bofeng; Liu Maolong; Su Wang; Zhang Xiaojie An experimental study was conducted on the air-water two-phase flow patterns in the bed of rectangular cross sections containing spheres of regular distribution. Three kinds of glass spheres with different diameters (3 mm, 6 mm, and 8 mm) were used...

... the associated two-phase flow field is turbulent and highly complex, characterized by large pressure gradients and small orifice geometries. We report herein a computational investigation of the internal nozzle flow and cavitation characteristics in a diesel injector. A mixture based model in FLUENT V6.2...