3D Measurements of coupled freestream turbulence and secondary flow effects on film cooling
Sign Up to like & getrecommendations! Published in 2018 at "Experiments in Fluids"
DOI: 10.1007/s00348-018-2555-7
Abstract: The effect of freestream turbulence on a single round film cooling hole is examined at two turbulence levels of 5 and 8% and compared to a baseline low freestream turbulence case. The hole is inclined… read more here.
Keywords: film cooling; secondary flow; turbulence; freestream turbulence ... See more keywords
Enhancement of PV/T-integrated single slope solar desalination still productivity using water film cooling and hybrid composite insulation
Sign Up to like & getrecommendations! Published in 2019 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-019-06131-9
Abstract: This context is about enhancing the freshwater production of a single slope solar desalination still (SSSDS) using water film cooling over the glass cover and using hybrid natural fibre composite (HNFC) insulation. In contrast to… read more here.
Keywords: film cooling; water film; solar desalination; water ... See more keywords
Investigation of the Influence of Inclination Angle and Diffusion Angle on the Film Cooling Performance of Chevron Shaped Hole
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Thermal Science"
DOI: 10.1007/s11630-018-1070-8
Abstract: The film cooling performance of chevron holes with different inclination angles and exit lateral diffusion angles has been studied experimentally and numerically. The inclination angles include 35° and 55°. The exit lateral diffusion angles include… read more here.
Keywords: film cooling; angle; film; inclination ... See more keywords
An Experimental Study on the Effects of a Film Cooling Configuration and Mainstream Temperature on Depositing
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Thermal Science"
DOI: 10.1007/s11630-019-1087-7
Abstract: The effects of a film cooling configuration and mainstream temperature on the depositing of particles are experimentally studied by using plate models. The particles are generated by melting wax and atomizing it. One model has… read more here.
Keywords: temperature; cooling configuration; film cooling; mainstream temperature ... See more keywords
Data mining optimization of laidback fan-shaped hole to improve film cooling performance
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Central South University"
DOI: 10.1007/s11771-017-3521-x
Abstract: To improve the cooling performance, shape optimization of a laidback fan-shaped film cooling hole was performed. Three geometric parameters, including hole length, lateral expansion angle and forward expansion angle, were selected as the design parameters.… read more here.
Keywords: film cooling; optimization laidback; cooling performance; optimization ... See more keywords
Design of sister hole arrangements to reduce kidney vortex for film cooling enhancement
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-017-0745-5
Abstract: In this study, we investigated whether vortex control of forward and backward injection jets with different vortex strengths contributed to enhanced film cooling effectiveness. Various hole arrangements, composed of primary and sister holes, were used… read more here.
Keywords: film cooling; sister; hole arrangements; backward injection ... See more keywords
Numerical study on unsteady film cooling performance under the mainstream swing condition
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-019-1046-y
Abstract: Significant unsteady film cooling performance of a turbine shroud can be found under the periodic disturbance of rotor blades. The mainstream flow in film cooling on a turbine shroud is simplified as the periodic swing… read more here.
Keywords: film cooling; mainstream swing; cooling performance; film ... See more keywords
Multi-objective optimization of 3D film cooling configuration with thermal barrier coating in a high pressure vane based on CFD-ANN-GA loop
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-018-1145-1
Abstract: In this paper, the optimum parameters of a row of cylindrical film cooling holes have been investigated using a multi-objective evolutionary approach so as to achieve a compromise between film cooling effectiveness and coolant mass… read more here.
Keywords: film cooling; vane; multi objective; cfd ann ... See more keywords
Experimental investigation of heat transfer characteristics on turbine endwall with full coverage film cooling
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.05.062
Abstract: Abstract Transient heat transfer measurement by Thermochromic Liquid Crystal (TLC) is applied in this paper to investigate heat transfer characteristics of the nozzle endwall with full coverage film cooling. The endwall heat transfer coefficient (h)… read more here.
Keywords: heat; transfer characteristics; film cooling; heat transfer ... See more keywords
An investigation for the turbine blade film cooling performance on the suction side tip region under rotating condition
Sign Up to like & getrecommendations! Published in 2019 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.12.102
Abstract: Abstract The suction side film cooling performance of a rotating blade is investigated numerically and experimentally in this paper. Three types of tip structures, including flat tip, double squealer tip and single squealer tip, are… read more here.
Keywords: performance; squealer tip; tip; film cooling ... See more keywords
Study of effects of axisymmetric endwall contouring on film cooling/heat transfer and secondary losses in a cascade of first stage nozzle guide vane
Sign Up to like & getrecommendations! Published in 2020 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2019.114844
Abstract: Abstract The film cooling and heat transfer on the endwall especially in the junction region of a vane/blade which encounters strong vortical flow is of great significance in turbomachinery. Achievement of excellent film cooling and… read more here.
Keywords: film cooling; flow; heat transfer; film ... See more keywords