... layers of coatings i.e., top coat, bond coat and thermally grown oxide with suitable thickness were generated by the mesh offset technique which was applied to an uncoated blade to model the coated blade. Thereafter steady-state 3D conjugate heat transfer analysis (CFD) with k-ε turbulence model by Ansys...

..., different shaped bolts and varying size of transition pieces are analyzed using the enterprise version of CFD tool, ANSYS. Three dimensional mesh independent simulations using k-epsilon turbulence model are carried out for a combined geometry of inlet duct, rotor-stator combination, outlet ducts together...

... as a virtual test bed for compressor development. In this work, a CFD methodology has been developed to predict the performance of a centrifugal compressor with its surge and choke limits. The transient, compressible flow in a moving domain with body-fitted unstructured mesh is solved in Simerics-MP...

... Abstract In the present research work, effect of airfoil vortex generator on performance and stability of transonic compressor stage is investigated through CFD simulations. In turbomachines vortex generators are used to energize boundary and generated vortex is made to interact with tip...

... treatment configurations. A maximum stall margin improvement of 3% was achieved with a particular slot configuration, but without any increase in compressor stage efficiency. transonic axial compressor slotted casing stall margin CFD NASA stage 37 Proceedings of the ASME 2021 Gas Turbine...

... the circumferential direction to improve the bearing performance parameters. In the present study, the effect of radial and tilt adjustment of 120° pad both in upward (or negative) and downward (or positive) direction on the bearing performance is predicted for various eccentricity ratios using the CFD technique...

... engine using commercially available CFD tool ANSYS CFX. The effect of free stream turbulence at 0.5%, 5% and 10% is studied along with the change of incidence angle from −10 to +10 on the annular cascade nozzle flow field. The static entropy contour, vorticity contour and total pressure loss coefficient...

... of the fan workflow. It is shown that the more the duct is blocked, the more its parameters are deteriorated. Moreover, the deterioration is not linear, but according to the dependence of the 2nd order. fan CFD nonlinear harmonic analysis (NLH) inlet nonuniformity ESTIMATION OF THE INFLUENCE...

.... One of the possible identification algorithms and the results of its successful testing are given on the example of a centrifugal compressor stage developed and tested at NASA. CFD mathematical model centrifugal compressor efficiency THE CONCEPT OF A MULTI-LEVEL OPTIMIZATION MODEL...

... chamber in order to minimize pollutant emissions at the preliminary design stage. pollutant emission reactors network CFD small gas turbine combustor SIMULATION OF CO EMISSION IN PRIMARY AND SECONDARY ZONE OF A SMALL GAS TURBINE COMBUSTION CHAMBER USING CFD AND REACTORS NETWORK Ivan...

... Abstract In this research, heat transfer and pressure drop from a tube with vortex generators (VGs) insert are numerically investigated. The effects of heights, attack angles of VGs inside a tube on heat transfer and flow behavior are investigated. CFD simulations, with and without VGs insert...

... of the turbine are simulated by using the computational fluid dynamics (CFD) code Star-CCM+. In the optimization process, all simulations are driven by the in-house software OPAL++. The output power coefficient (Cp) is considered as a single target function to be maximized. The performance of the optimal...

.... The k-omega SST turbulence model is considered with 5% turbulence intensity for the CFD analysis. At a particular seal clearance, as the number of teeth increases the leakage flow is found to be decreased. The leak flow is found to be lower with the stepped labyrinth seals in comparison to the straight...

...-aided design of base propeller and three different versions propeller with leading-edge modifications are generated with the help of CATIA for Computational Fluid Dynamics (CFD) simulations. Comparative noise variation simulations between the existing and the propellers with modification are performed...

... and 60 sparks per minute. The combustor is modelled, meshed and analysed using the commercially available ansys-cfx code. The geometry of the combustor is modified iteratively based on the CFD results to meet the design requirements such as pressure loss and pattern factor. The combustor is fabricated...

... wake fluid. Considering the positive effects of crenulation in a cascade, it was hypothesized that the same technique would work in a rotating compressor to enhance its performance and stall margin. However, the present CFD simulations on a transonic compressor rotor have given mixed results. Whereas...

... 1 Copyright © 2012 by ASME CFD CODE VALIDATION & QUALITATIVE STUDY OF EFFECTS OF TIP CLEARANCE VARIATION ON PERFORMANCE OF TRANSONIC AXIAL COMPRESSOR ROTOR Aniket R.Patkar Sardar Patel College of Engineering Mumbai, Maharashtra, India Email: aniketpatkar87@gmail.com Srinivethan Rangasamy Zeus...

... Conjugate heat transfer TLC measurement CFD 1 Copyright © 2012 by ASME EFFECT OF THERMAL CONDUCTIVITY ON HEAT TRANSFER FROM A FLAT PLATE WITH COMBINED IMPINGEMENT AND FILM COOLING Rajesh Kumar Panda B.V.S.S.S. Prasad* ABSTRACT The effect of solid thermal conductivity on conjugate heat transfer from...

... Transonic Compressor, J- Shaped Casing Treatment, Stall Margin, CFD, Gas Turbine. INTRODUCTION Gas Turbine (GT) is a power plant, which produces large amount of energy for a given size and weight. Due to recent developments in the energy requirements, GT have shown significant domination in power production...

... in the Ejector II, indicating the malfunction mode of the system for the given design parameters. CFD High Altitude Test (HAT) Facility Ejector Entrainment Ratio (ER) Mach number CFD SIMULATION OF STEAM EJECTOR SYSTEM IN HIGH ALTITUDE TEST (HAT) FACILITY Pavani Sreekireddy, Dr. T. Kishen Kumar Reddy...