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Keywords: Performance
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Proceedings Papers

Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A018, June 13–17, 2022
Paper No: GT2022-81939
... emissions with different power management strategies and levels of battery technology. In the economic study, the potential subsidies and tax incentives required to make these aircraft financially viable are determined. To capture the performance results, models of the propulsion systems and airframe were...
Proceedings Papers

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A004, June 13–17, 2022
Paper No: GT2022-80186
... Abstract Low fidelity modelling approaches remain attractive due to an unrivalled ability to predict full turbine performance maps quickly compared to high fidelity approaches such as CFD, especially in the preliminary design process. As improvements in performance on a component level approach...
Proceedings Papers

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A030, June 13–17, 2022
Paper No: GT2022-83431
... contraction of casing and control tip clearance automatically during operation. For example, case structure can be cooled and radially contracted by cooling air outside of casing structure and the system is working to minimize the gap and improve turbine performance. However, the current system does...
Proceedings Papers

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A038, June 7–11, 2021
Paper No: GT2021-59951
... in the paper. A comparison of the obtained approximating method is carried out HPC high pressure compressor against previously developed methods. LPC low pressure compressor Based on the performed analysis, a method is proposed for 1. INTRODUCTION approximating of compressor maps, considering the The creation...
Proceedings Papers

Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T16A006, June 7–11, 2021
Paper No: GT2021-59778
... for Research & Innovation Multidisciplinary Abuja, Nigeria Research & Innovation Abuja, Nigeria ABSTRACT Keywords: Performance, energy, gas turbine, power This study presents a methodology for optimizing the NOMENCLATURE power from a fleet of engines that use associated gas as fuel. The effects of engine...
Proceedings Papers

Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T09A005, June 7–11, 2021
Paper No: GT2021-59291
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59291 ACHIEVING BETTER POWER PLANT GUARANTEES THROUGH A NEW EXERGY-BASED APPROACH FOR THE HRSG Raub W. Smith Chief Consulting Engineer, Performance GE Gas Power...
Proceedings Papers

Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A010, September 21–25, 2020
Paper No: GT2020-15000
...PERFORMANCE AND OPERATING CHARACTERISTICS OF MICRO GAS TURBINE DRIVEN BY PULSE, PRESSURE GAIN COMBUSTOR Takashi Sakurai1, Shunsuke Nakamura1 1Tokyo Metropolitan University, Hino, Tokyo, Japan ABSTRACT This paper presents the experimental results of a micro gas turbine driven by pulse, pressure gain...
Proceedings Papers

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A011, September 21–25, 2020
Paper No: GT2020-14472
...Numerical investigation of effect of blade surface slot on the performance and flow field of a low speed centrifugal fan HaoGuang Zhang1, FeiYang Dong1, XuDong Zhang2, WuLi Chu1 1School of Power and Energy, Northwestern Polytechnical University, Xi an 710072, Shaanxi, China 2COMAC Shanghai Aircraft...
Proceedings Papers

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A018, September 21–25, 2020
Paper No: GT2020-14413
...CONSIDERATIONS ON AXIAL COMPRESSOR BLEED FOR SUB-IDLE PERFORMANCE MODELS Ferran Roig Tió, Luis E. Ferrer-Vidal, Hasani Azamar Aguirre, Vassilios Pachidis Centre for Propulsion, Cranfield University, Cranfield, Bedfordshire, UK ABSTRACT The trend towards increased bypass ratio and reduced core size...
Topics: Compressors
Proceedings Papers

Proc. ASME. GT2012, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation, 293-300, June 11–15, 2012
Paper No: GT2012-69417
... using performance models of the helicopter and its associated turboshaft engine. These models are developed in an object-oriented simulation environment that allows a direct mechanical connection to be established between them in order to create an integrated model. Considering the case of a typical...
Topics: Fuels
Proceedings Papers

Proc. ASME. GT2011, Volume 4: Cycle Innovations; Fans and Blowers; Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Oil and Gas Applications, 23-33, June 6–10, 2011
Paper No: GT2011-45219
... 07 05 2012 The high thermal efficiency and the use of low carbon content fuel (e.g., natural gas) have made the Combined Cycle Power Plant (CCPP) one of the best choices for power generation due to its benefits associate with low cost and low environmental impact. The performance...
Proceedings Papers

Proc. ASME. GT2010, Volume 3: Controls, Diagnostics and Instrumentation; Cycle Innovations; Marine, 887-897, June 14–18, 2010
Paper No: GT2010-23492
... specifications were based on JP-8’s properties. Compressor’s geometry and design point performance, were computed using a mean line analysis domestic code. A brief analysis of the code will be given, including both the initial version that was used for the dry compression calculations, as well as the modified...
Proceedings Papers

Proc. ASME. GT2009, Volume 5: Microturbines and Small Turbomachinery; Oil and Gas Applications, 163-174, June 8–12, 2009
Paper No: GT2009-59618
... heat transfer model was also ed and compared with experimental measurements. orithms calculate the heat transferred through the arger, from the hot end to the cold end by means of asses. The compressor performance deterioration from batic map is predicted. rds: Heat transfer, Turbocharger, Turbine...
Proceedings Papers

Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 2329-2338, June 9–13, 2008
Paper No: GT2008-50503
... 04 08 2009 Radial and mixed flow turbines which are an important component of a turbocharger consist essentially of a volute, a rotor and a diffuser. Vaneless volute turbines, which have reasonable performance and low cost, are the most widely used in turbochargers for automotive...
Proceedings Papers

Proc. ASME. GT2008, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Manufacturing, Materials and Metallurgy; Microturbines and Small Turbomachinery, 123-132, June 9–13, 2008
Paper No: GT2008-50771
... the creation of different configurations in a simple and flexible manner. This makes possible to compare the performance between different designs of individual components or complete secondary air systems as well as integrate them directly in whole engine performance models. The modelling is validated against...
Proceedings Papers

Proc. ASME. GT2008, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Manufacturing, Materials and Metallurgy; Microturbines and Small Turbomachinery, 71-79, June 9–13, 2008
Paper No: GT2008-50564
... 04 08 2009 This study presents a detailed analysis of aircraft engine maintenance cost based on the relationships between engine performance and geometric parameters. Estimating engine maintenance cost is very complicated and depends upon empirical work based on know-how and huge...
Proceedings Papers

Proc. ASME. GT2007, Volume 3: Turbo Expo 2007, 127-137, May 14–17, 2007
Paper No: GT2007-27284
... 10 03 2009 Given the current level of computational resources that are readily available, three dimensional (3-D) gas turbine engine performance simulation remains extremely time consuming. The current paper presents a synthesis of existing flow simulation methods coupled together...
Proceedings Papers

Proc. ASME. GT2007, Volume 3: Turbo Expo 2007, 183-193, May 14–17, 2007
Paper No: GT2007-27402
... based on experimental cascade data that actually display a fairly large scatter, resulting in a relatively high degree of uncertainty. This usually leads to substantial differences between the calculated and actual performances of a given gas turbine engine component. Typically, matching calculated...
Proceedings Papers

Proc. ASME. GT2002, Volume 5: Turbo Expo 2002, Parts A and B, 587-595, June 3–6, 2002
Paper No: GT2002-30386
... 05 02 2009 1 Proceedings of ASME TURBOEXPO2002 ABSTRACT Diffusers are found to play a significant role in the performance of centrifugal compressors. Extensive studies have been in pr improvement of One such effort compressor stage presented in this number of 0.35. out these flow stu...
Proceedings Papers

Proc. ASME. GT2002, Volume 1: Turbo Expo 2002, 429-439, June 3–6, 2002
Paper No: GT2002-30077
... physical features ling the flow-chemistry interactions that lead to heat in the turbine. ds: turbine, durability, performance, emissions, design NCLATURE subscripts = freestream a = adiabatic c = coolant f = fuel i = initial o = oxidizer T3 = combustor inletTURBINE DURABILITY IMPACTS OF PART 1: POTENTIAL...