Results 1 to 10 of about 480,813 (179)
Parametric Studies of Laminated Cooling Configurations: Overall Cooling Effectiveness [PDF]
International Journal of Aerospace Engineering, 2021 Combing the advantages of film cooling, impingement cooling, and enhanced cooling by pin fins, laminated cooling is attracting more and more attention. This study investigates the effects of geometric and thermodynamic parameters on overall cooling effectiveness of laminated configuration, and model experiments were carried out to validate the ...
Chen Wang, Chunhua Wang, Jingzhou Zhang
semanticscholar +3 more sources
Scientific Reports, 2022 AbstractThe conjugate heat transfer of a turbine blade is influenced by several factors. To analyze the influence of each factor, the published one-dimensional conjugate heat transfer model was improved through theoretical analysis in this study. An overall cooling effectiveness equation containing three dimensionless parameters (adiabatic film cooling
Runzhou Liu +4 more
semanticscholar +4 more sources
Fundamentals of Scaling of Overall Cooling Effectiveness With Temperature Ratio
Journal of Turbomachinery, 2023 Abstract In this paper we study the relationship between overall cooling effectiveness (or so-called metal effectiveness) and mainstream-to-coolant total temperature ratio (TR), for typical high-pressure nozzle guide vane (HPNGV) cooling systems.
Cartlidge, J, Povey, T
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Experimental Study on Overall Cooling Effectiveness of Turbine Nozzle Guide Vane with Impingement-Cutback Structure [PDF]
Journal of Applied Fluid Mechanics, 2023 The overall cooling performance of turbine nozzle guide vane, with the impingement-cutback structure, is experimentally studied in the actual-scale cascade. The gas with the high temperature is used to achieve the actual dynamic viscosity coefficient and
H. B. He, F. Duan, G. Li
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Case Studies in Thermal Engineering, 2022 This study presents the overall cooling effectiveness of a nozzle guide vane with impingement-effusion in the conditions of the high temperature and high pressure at the mass flow ratios from KG = 0.09 to KG = 0.14. The temperature ratios change from KT =
Chuhan Qiao +5 more
semanticscholar +3 more sources
Case Studies in Thermal EngineeringAs the inlet temperature of the turbine continues to rise, if only heat conduction and convective heat transfer are considered, the temperature difference between numerical simulation and experimental will become apparent.
Xianlong Meng +3 more
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Conjugate Heat Transfer Simulation of Overall Cooling Performance for Cratered Film Cooling Holes
Machines, 2022 Film cooling is widely applied as an effective way to maintain the turbine blade temperature at an acceptable level. The present paper investigates the overall cooling effectiveness and flow structure by performing conjugate heat transfer simulations for
Chao Zhang +3 more
doaj +1 more source
Case Studies in Thermal Engineering, 2022 Turbine vane end-wall cooling management is complicated by the sophisticated cascade flow, generating the non-uniform distribution of metal temperature at end-wall surface, a negative factor of component durability.
Jian Pu, Tiao Zhang, Jian-hua Wang
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Case Studies in Thermal Engineering, 2022 The cooling performance of the impingent/effusion structure on the pressure side of nozzle guide vanes tested in an engine operating for the various duration of 100 h, 300 h, and 500 h was evaluated in this study via infrared thermal imaging.
Wei Zhang +5 more
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Theoretical and Numerical Study on Thermal Insulation Performance of Thermal Barrier Coatings
Energies, 2022 In this article, a theoretical 1-D heat transfer model and conjugate heat transfer numerical simulation was carried out to evaluate the thermal insulation of TBCs under different factors.
Chao Gao +3 more
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