Details

Autor(en) / Beteiligte

• JIANG Peng
• WANG Qiang
• HUANG Hong-yan
• FENG Guo-tai

Titel

Numerical simulation of 3D viscous flow field of air cooled turbine blades with coolant mixing

Ist Teil von

• 哈尔滨工业大学学报(英文版), 2008-12, Vol.15 (6), p.781-785

Ort / Verlag

Propulsion Theory and Technology Research Center, Harbin Institute of Technology, Harbin 150001, China

Erscheinungsjahr

2008

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• V231.3; To improve thrust and reduce oil consumption of aero-engines, the temperature at turbine inlet is be-coming higher and higher, which leads to heavy thermal load of vanes. To efficiently cool the vanes, the mass of coolant with its maximum gas mass flow exceeding to 20% of main stream, has to be increased. In the pres-ent paper, a two-stage turbine with and without coolant mixing was simulated by CFX-TASCflow. Simulation re-suits indicate that the flow field structure with coolant is obviously different from that without coolant, and the former has characteristics of lower-speed main flow, reduced roach number, weaker shock intensity and de-creased stage efficiency.