...Huihui Wang; Qinghua Deng; Wei He; Zhenping Feng Efficient cooling is imperative for gas turbine blades that suffer from hot gas erosion. Cooling and flow characteristics of multi-channel wall jet structure combined with film holes for blade leading edge are numerically investigated through...

...Seungchan Baek; Jaehyun Ryu; Myeonghwan Bang; Wontae Hwang Unlike the ideal conditions considered in most previous studies, the actual cooling flow passage inside gas turbine blades is extremely complex. This complexity is due to the geometrical restrictions resulting from the external cooling...

...Haiteng Ma; Wei Zeng; Hongmei Jiang; Jun Hong Cooling design of highly loaded turbine blade tips is challenged by the scarcity of experimental data and the lack of physical understanding in cooling and overtip leakage (OTL) interaction under transonic conditions. To address these issues, this paper...

... Email: zpfeng@mail.xjtu.edu.cn Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 02 12 2020 14 02 2021 17 02 2021 03 05 2021 turbine blade internal cooling Reynolds number Nusselt number...

...Sergen Sakaoglu; Harika S. Kahveci The pressure difference between suction and pressure sides of a turbine blade leads to tip leakage flow, which adversely affects the first-stage high-pressure (HP) turbine blade tip aerodynamics. In modern gas turbines, HP turbine blade tips are exposed to extreme...

... October 3, 2017. Editor: Kenneth Hall. 06 08 2017 30 08 2017 Boundary layer development Fluid dynamics Measurement techniques Turbine blade Turbomachinery blading Measurement advancements Heat transfer phenomena Compressor Turbine components Gas turbine engines Design...

..., 2017; final manuscript received August 25, 2017; published online October 3, 2017. Editor: Kenneth Hall. 19 08 2017 25 08 2017 Fan Fluid dynamics Turbine blade Turbomachinery blading Compressor Turbine aerodynamic design Measurement advancements Heat transfer phenomena...

... as a so-called integral concept, the non-uniform warming of the parts may be an issue as this leads to an ovalization of the duct and subsequently to backward-facing steps (BFSs) and forward-facing steps (FFSs) in the flow path as described in this paper. Fan Measurement techniques Turbine blade...

..., periodic wakes, and flows over Stripf's turbine blades with roughness from hydraulically smooth to fully rough. The predicted skin friction and heat transfer properties by the current model agree well with the published experimental and numerical data. 1 Corresponding author. Manuscript received...

... Corresponding author. Manuscript received January 20, 2017; final manuscript received May 10, 2017; published online July 19, 2017. Assoc. Editor: Ardeshir (Ardy) Riahi. 20 01 2017 10 05 2017 Fluid dynamics Heat transfer Measurement techniques Turbine blade Film cooling Measurement...

.... Editor: Rolf Sondergaard. 02 10 2016 30 05 2017 Computational fluid dynamics Fluid dynamics Heat transfer Turbine blade Turbomachinery blading Film cooling Measurement advancements Heat transfer phenomena Compressor Turbine components Gas turbine engines Design...

... OURNAL OF T URBOMACHINERY . Manuscript received September 1, 2016; final manuscript received March 9, 2017; published online May 9, 2017. Editor: Kenneth Hall. 01 09 2016 09 03 2017 Computational fluid dynamics Fan Fluid dynamics Measurement techniques Turbine blade Compressor...

...; published online May 9, 2017. Editor: Kenneth Hall. 01 09 2016 09 03 2017 Computational fluid dynamics Fan Fluid dynamics Measurement techniques Turbine blade Compressor Turbine aerodynamic design Measurement advancements Heat transfer phenomena Turbine components Gas turbine...

... OURNAL OF T URBOMACHINERY . Manuscript received December 2, 2016; final manuscript received January 11, 2017; published online April 11, 2017. Editor: Kenneth Hall. 02 12 2016 11 01 2017 Computational fluid dynamics Fan Turbine blade Turbomachinery blading Compressor Turbine...

... techniques Turbine blade Film cooling Measurement advancements Heat transfer phenomena Compressor Turbine components Gas turbine engines Computational predictions of heat transfer coefficients, cooling efficiency, film effectiveness, and overall cooling effectiveness have improved remarkably...

... of the low-pressure turbine blades of an aero-engine, with varying flow angles, blade thickness, and suction surface lift styles. Reynolds-averaged Navier–Stokes (RANS) calculations are performed for a single aspect ratio (AR) and constant inlet boundary layer thickness. To characterize the cascades studied...

... in good agreement with the test results. The overall difference between the computational fluid dynamics (CFD) and test results was about 10%. 04 11 2016 23 11 2016 Computational fluid dynamics Heat transfer Turbine blade Turbomachinery blading Film cooling Measurement advancements...

...; published online February 7, 2017. Editor: Kenneth Hall. 07 09 2016 02 11 2016 Computational fluid dynamics Heat transfer Measurement techniques Turbine blade Film cooling Measurement advancements The casing of an unshrouded rotor is subjected to large temporal variations...

..., 2016; published online January 24, 2017. Editor: Kenneth Hall. 23 10 2016 03 11 2016 Fan Fluid dynamics Measurement techniques Turbine blade Compressor Turbine aerodynamic design Measurement advancements Heat transfer phenomena Compressor Turbine components Gas turbine...

... Measurement techniques Turbine blade Film cooling Measurement advancements Heat transfer phenomena Compressor Turbine components Gas turbine engines The thermal performance of cooling systems for high-pressure nozzle guide vanes (HPNGVs) is typically assessed at engine conditions using...