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Keywords: CFD
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Proceedings Papers

Proc. ASME. GTINDIA2023, ASME 2023 Gas Turbine India Conference, V001T04A001, December 7–8, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2023-117326
..., depending upon the local condition, and hence can improve accuracy. However, such workflow requires adding capabilities in Computational Fluid Dynamic (CFD) code to generate the two types of PDF tables, keeping them in the memory during the execution of the run and fetching values from corresponding tables...
Proceedings Papers

Proc. ASME. GTINDIA2023, ASME 2023 Gas Turbine India Conference, V001T01A003, December 7–8, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2023-118395
... swash plate piston pump CFD pump leakages cavitation fill speed swash plate angle Abstract Axial piston pumps are widely used for inlet fogging, wet compression and NOx reduction in gas turbines and also as a part of hydraulic systems in landing gears and brakes of aircraft...
Proceedings Papers

Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T12A002, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-76004
... turbine engines and Keywords: C3X Turbine Blade; CMSX-4; CFD; FEM; improved performance is attained by increasing turbine inlet Thermal Barrier Coating; Thermo-Mechanical temperature. This lead to the use of advanced material, multi- layered thermal barrier coatings (TBCs) and effective cooling...
Proceedings Papers

Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T12A006, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-76152
... duct is integral to the engine connections, exhaust transition duct, CFD for connecting to the containment ring. The secondary duct is a transition piece for connecting to the exhaust chimney. As these NOMENCLATURE ducts consume additional pressure and adversely affect the performance of the ATS under...
Proceedings Papers

Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T04A008, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-76045
... centrifugal compressor CFD surge choke performance map Abstract Centrifugal compressor has widespread applications in areas such as aerospace, automotive, power and process industries and hence the prediction of its performance is crucial at the design stage. Traditional design, build...
Proceedings Papers

Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T04A002, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-75881
... transonic axial compressor vortex generator stall margin CFD NASA stage 37 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...
Proceedings Papers

Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T04A003, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-75882
... transonic axial compressor slotted casing stall margin CFD NASA stage 37 Abstract In a transonic compressor rotor, tip leakage flow interacts with passage shock, casing boundary layer and secondary flow. This leads to increase in total pressure loss and reduction of compressor...
Proceedings Papers

Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T10A008, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-76427
... externally adjustable pad bearing single pad tilt and radial adjustments FSI CFD Abstract High-speed turbomachinery like turbine generators and marine propulsion systems uses special fluid film bearing called externally adjustable pad bearing due to their great advantages...
Proceedings Papers

Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T01A003, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2392
... 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. Keywords: CFD, mathematical model centrifugal compressor, efficiency. NOMENCLATURE G mass flow rate of the working fluid, kg/s Z Number...
Proceedings Papers

Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T04A017, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2594
...SIMULATION OF CO EMISSION IN PRIMARY AND SECONDARY ZONE OF A SMALL GAS TURBINE COMBUSTION CHAMBER USING CFD AND REACTORS NETWORK Ivan A. Zubrilin, Nikita I. Gurakov, Alexander S. Semenikhin, Oleg V. Kolomzarov, Sergey G. Matveev, Vladislav M. Anisimov Samara National Research University, Samara...
Proceedings Papers

Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T03A010, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2560
.... 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, are done for an air flow range (Reynolds numbers 6000 to 33000) and for a constant heat flux on the tube model surface. Four VGs are fitted...
Proceedings Papers

Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T06A016, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2670
... Savonius overlap ratio gap ratio optimization CFD Abstract Due to the significant increase in the human population, satisfying its energy demand becomes a major challenge at present and in the future. Hydropower is a form of renewable energy that converts the potential or kinetic...
Proceedings Papers

Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T02A006, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2397
... labyrinth seal rotational effects CFD k-omega SST turbulence airflow function Abstract Various studies have been carried out related to the labyrinth seals and reported in the open literature using the different seal arrangements at the stator-rotor seal cavity region. In the present...
Proceedings Papers

Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T08A005, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2430
...-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...
Proceedings Papers

Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T02A023, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2663
.... This clearance induces leakage flow and formation of the leakage vortex which interacts with the secondary flow in the vane passage. In this paper, the numerical study is performed on high endwall angle vane geometry of 2nd stage LPT from Pratt and Whitney E3 engine using commercially available CFD tool ANSYS...
Proceedings Papers

Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T01A002, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2391
... 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. Keywords: Fan, CFD, Nonlinear Harmonic Analysis (NLH), Inlet Nonuniformity. NOMENCLATURE G mass flow rate of the working fluid, kg/s p* total pressure...
Proceedings Papers

Proc. ASME. GTINDIA2013, ASME 2013 Gas Turbine India Conference, V001T03A011, December 5–6, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2013-3691
... 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...
Proceedings Papers

Proc. ASME. GTINDIA2013, ASME 2013 Gas Turbine India Conference, V001T01A018, December 5–6, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2013-3768
... 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...
Proceedings Papers

Proc. ASME. GTINDIA2012, ASME 2012 Gas Turbine India Conference, 533-542, December 1, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2012-9669
... 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...