..., the thermoacoustic heat-driven pulse tube cryocooler may be a promising solution in the application field of zero boil-off storage of liquid hydrogen. zero boil-off of liquid hydrogen regenerative heat-driven cryocooler exergy efficiency sensitivity analysis numerical simulation Proceedings of ASME...

... Transfer, Film Cooling, Numerical Simulation NOMENCLATURE C true chord length [mm] Cax axial chord length [mm] h convective heat transfer coefficient [W/m2/K] H normalized radial height mc mass flow rate of coolant inlet [g/s] mg MFR Nu P Pt qw T Taw Tc Tt Tw qr x mass flow rate of mainstream...

... Turbulence, Two-Phase Flow, Numerical Simulation, Gas Turbine Heat Transfer NOMENCLATURE dp Diameter of droplet, µm D Diameter of the injection port, m DR M ReD T Tu u,v,w U X ,Y , Z s av Subscripts aw j je Acronyms CRVP JICF Density Ratio Blowing ratio Reynolds number Temperature, K Turbulence...

...; numerical simulation; sensitivity analysis NOMENCLATURE Bi Biot number [=ht/k] Cp specific heat capacity [J/(kg·K)] D diameter of film hole [mm] h heat transfer coefficient Ruquan You Research Institute of Aero-Engine, Beihang University Beijing, China Zhi Tao School of Energy and Power Engineering, Beihang...

... on the first half of impeller blade passage. Keywords: centrifugal compressor; supercritical carbon dioxide; numerical simulation; inlet conditions 1. INTRODUCTION In recent years, Supercritical CO2 Brayton cycle has been attracting much attention to produce the electric power due to its low compression work...

... is completely accepted, which indicates the modified loss mode can substantially improve accuracy of calculating windage loss in the impeller back clearance of sCO 2 centrifugal compressor. windage loss model flow characteristics sCO 2 compressor numerical simulation Proceedings of ASME Turbo Expo...

... by the slip velocity in each droplet size. The nondimensional losses of the experiments were reproduced by considering the particle size distribution and volume rate of droplets. two-phase flow wetness loss Eulerian-Eulerian method moist-air flow numerical simulation Proceedings of ASME Turbo...

... obvious. high temperature rise combustor fuel supply fuel distribution ratio combustor performance numerical simulation Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-81692 STUDY...

... of the certification process, numerical simulations can be used to assess the impact of a new fuel on combustion. Further, the detailed simulations provide an insight into the fuel sensitive sub-processes. The lean blowout (LBO), i.e. the lower stability limit of a gas turbine combustor, is of primary concern for safe...

... heat transfer characteristics tip leakage numerical simulation ribbed-squealer tip Abstract In modern gas turbines, High-temperature gas gives rise to the heat load dramatically to the tip region, inducing the leakage flow through the blade tip gap by the lateral pressure difference...

... optimization; 1. INTRODUCTION Injection source term; Numerical simulation In order to improve the performance of aero-engines and NOMENCLATURE gas turbines, one of the most effective measures is to increase m massflow rate, [kg/s] P Pressure,[Pa] V02DT36A017-1 Copyright © 2021 by ASME turbine inlet temperature...

..., will first increase to a maximum and then decrease. pre-swirl system pressure ratio rotational Reynolds number flow characteristics temperature reduction numerical simulation Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual...

... gas turbine blade profile parameters numerical simulation ontology Abstract Abstract During the operation of the gas turbine engine, the blades are prone to gas path faults such as fouling, corrosion, and erosion, or even fracture. Current research usually ignores the impact...

... and to discuss the effects of hole geometric variables on both pressure losses Keywords: Multi-objective optimization; internal cooling; and heat transfer enhancement. A fully automatic multi-objective semi-attached ribs; numerical simulation. genetic algorithm based on the Non-dominated Sorted Genetic Algorithm...

... University, Beijing, China ABSTRACT Numerical simulations were carried out to study the film cooling effectiveness distributions of different hole arrangements on the suction side of a high pressure turbine blade under rotating condition. The chord length and the height of the blade are 60mm and 80mm...

... impact guide vane rotor numerical simulation maximum effective stress STRESS ANALYSIS OF FAN BLADES SUBJECTED TO HAIL IMPACT Xin Sun, Bo Liu, Chang-fu Han Northwestern Polytechnical University, Xi'an, Shaanxi, China ABSTRACT The rapid development of modern aircraft technology is increasingly...

... performance. In this study, non-axisymmetric endwall contouring in a linear compressor cascade was generated through the optimization process. Combined with numerical simulation, wind tunnel tests on linear cascades with flat and contoured endwall were performed with various measurement techniques...

...; the increase of the spacing ratio causes the increase of the secondary mass rate and the decrease of the primary mass rate, but the thrust performance is less affected. Keywords: Ejector Nozzle, Numerical Simulation, Flow Mechanism, Supersonic Flow. NOMENCLATURE D inlet diameter of primary nozzle Dp throat...

... core. The initial fragmentation mechanism of the air blast atomization is applied as the global variables of the stochastic process. Using the above stochastic immersed model, combined with the Large Eddy Simulation method, the numerical simulation of the downstream flow field of a coaxial jet air...

... of the circumferential angle, SGP structure and suction position on the periodicity is studied by numerical simulation. An optimal cascade scheme is selected for experimental research. The results show that a larger circumferential angle can weaken the effect of low-energy fluid near the SGP on the middle passages...