... effectiveness crossflow diffusion slot hole turbine blade gas turbine heat transfer and film cooling The inlet temperature of the current gas turbine has steadily been increased to a notably high level for improved thermal efficiency and power density. To achieve the needed cooling effectiveness...

.... , and Kerner , K. , 2017 , “ Analytical Study of Articulating Turbine Rotor Blade Concept for Improved Off-Design Performance of Gas Turbine Engines ,” ASME J. Eng. Gas Turbines Power , 139 ( 10 ), p. 102601 . 10.1115/1.4036359 [4] Federspiel , J. , Bangert , L. , Wing , D...

... – 784 . 10.1016/j.applthermaleng.2016.07.019 [10] Ito , S. , Goldstein , R. J. , and Eckert , E. R. G. , 1978 , “ Film Cooling of a Gas Turbine Blade ,” J. Eng. Power , 100 ( 3 ), pp. 476 – 481 . 10.1115/1.3446382 [11] Jiang , H. W. , and Han , J. C. , 1996...

...Lorenzo Mazzei; Riccardo Da Soghe; Cosimo Bianchini It is well known from the literature that surface roughness significantly affects friction and heat transfer. This is even more evident for additive manufactured (AM) components, which are taking an increasingly important role in the gas turbine...

... cooling passages for modern gas turbine blade trailing edge. The Reynolds number range is 10,000–80,000, and the inlet rotation number range is 0–0.46. With the increase of Reynolds number, the enhancement of heat transfer performance of the channel with guiding pin fin arrays is significantly higher than...

...Nicolai Neumann; Arne Berthold; Frank Haucke; Dieter Peitsch; Panagiotis Stathopoulos Performance improvements of conventional gas turbines are becoming increasingly difficult and costly to achieve. Pressure gain combustion (PGC) has emerged as a promising technology in this respect, due...

... of Squealer Geometry Arrangement on a Gas Turbine Blade Tip Heat Transfer ,” ASME J. Heat Transfer , 124 ( 3 ), pp. 452 – 459 . 10.1115/1.1471523 [5] Papa , M. , Goldstein , R. J. , and Gori , F. , 2003 , “ Effects of Tip Geometry and Tip Clearance on the Mass/Heat Transfer From...

...Pingting Chen; Lang Wang; Xueying Li; Jing Ren; Hongde Jiang; Terrence Simon Film cooling technology is widely used in gas turbines. With the additive manufacturing anticipated in the future, there will be more freedom in film cooling hole design. Exploiting this freedom, the present authors tried...

... by the International Gas Turbine Institute (IGTI) of ASME for publication in the J OURNAL OF T URBOMACHINERY . Manuscript received October 13, 2018; final manuscript received November 6, 2018; published online January 16, 2019. Editor: Kenneth Hall. 13 10 2018 06 11 2018 additive manufacturing...

...S. M. Aminossadati; D. J. Mee 1 Corresponding author. Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J OURNAL OF T URBOMACHINERY . Manuscript received December 8, 2010; final manuscript received January 5, 2012; published online March 25...

... transfer induced by the Coriolis force generally perceived in a ribbed or smooth channel is less evident in a pin-fin channel. 16 07 2009 05 09 2009 19 10 2010 19 10 2010 blades channel flow Coriolis force gas turbines rotational flow turbulence gas turbine blade...

... 2010 07 09 2010 gas turbines flow simulation computational fluid dynamics mechanical engineering computing compressors CAD supersonic flow subsonic flow computer aided instruction software engineering gas turbine streamline curvature modeling compressor performance...

... to predict changes in compressor stage characteristics, which, in turn, affect the inlet mass flow of the compressor. The test vehicle for calibration was a 50 Hz Alstom industrial gas turbine. Once calibrated, the code was successfully utilized to predict wet-compression effects for three additional like...

.... This lack of commercial use is the motivation for the current study. gas turbine tandem blade compressor rotor computational aerospace components aerospace engines blades compressors gas turbines numerical analysis rotors 29 09 2008 28 01 2009 25 03 2010 25 03...

... that contemporary CFD codes can be used as suitable means in the thermal design process. 03 06 2008 02 02 2009 11 09 2009 computational fluid dynamics cooling gas turbines jets linings mechanical engineering computing gas turbine heat shield impingement cooling TLC CFD...

...Bai-Tao An; Jian-Jun Liu; Hong-De Jiang This paper presents a detailed flow and heat transfer characteristic analysis on gas turbine first-stage turbine under hot streak inlet conditions. Two kinds of inlet total temperature conditions are specified at the turbine stage inlet. The first is uniform...

... low pressure (LP) compressor built by Honeywell ( 2 ). However, they have not been used in commercial rotors. gas turbine tandem blade compressor cascade computational aerodynamics blades computational fluid dynamics gas turbines rotors subsonic flow 08 08 2007 21...

... Transfer Distribution Over the Surfaces of Highly Loaded Turbine Nozzle Guide Vanes ,” ASME J. Eng. Gas Turbines Power 0742-4795 , 106 , pp. 149 – 158 . Arts , T. , and Lambert de Rouvroit , M. , 1992 , “ Aero-Thermal Performance of a Two-Dimensional Highly Loaded Transonic Turbine...

... with a recess of 2.1 mm causes the average effectiveness magnitudes to decrease slightly as compared to a squealer depth of 4.2 mm . blades cooling gas turbines jet engines Mach number subsonic flow The concept of cooling a surface subjected to high mainstream temperatures by perforating...

... compression efficiency, aerodynamic breaking of water droplets etc. are investigated and discussed in this paper. Contributed by the International Gas Turbine Institute and presented at the International Gas Turbine and Aeroengine Congress and Exhibition, Amsterdam, The Netherlands, June 3–6, 2002...