Results 201 to 210 of about 402 (231)

Turbine Blade Tip Leakage Flow Control by Partial Squealer Tip and Plasma Actuators

44th AIAA Aerospace Sciences Meeting and Exhibit, 2006
In order to further the understanding of turbine tip leakage and passage ∞ow mechanisms for undesirable entropy production, an experiment was conducted in a linear cascade at the Hessert Laboratory. Blade surface and tip endwall static pressure, total pressure loss, and wake vorticity measurements were taken to document the efiects of upstream axial ...
Travis Douville, Julia Stephens, Thomas Corke, Scott Morris   +3 more
openaire   +1 more source

Suppressing tip leakage vortex cavitation via squealer-hole composite tip

Physics of Fluids
Suppressing tip leakage vortex (TLV) cavitation in rotating machinery, such as propellers and turbines, plays a crucial role in reducing hydrodynamic noise, mitigating cavitation erosion, and enhancing operational stability. This study proposes a composite tip structure that integrates squealer rims with jet holes to suppress TLV cavitation in a ...
Yigan Zhang, Zehui Qu, Yonghao Ye, Baiyan He, Huaping Liu   +4 more
openaire   +1 more source

Effect of Shelf Squealer Tip Configurations on Film Cooling Effectiveness

Volume 5C: Heat Transfer, 2018
Film cooling effectiveness and heat transfer were measured in squealer tip configurations on the blade tip surface. Three different shelf squealer tip geometries were studied: conventional, vertical, and inclined. The experiment was carried out in a wind tunnel with an inlet mainstream Reynolds number, based on the axial chord length of the blade, of ...
JeongJu Kim, Wonjik Seo, Minho Bang, Seon Ho Kim, Seok Min Choi, Hyung Hee Cho   +5 more
openaire   +1 more source

Tip Leakage Losses for the Squealer Tip Winglets Designed on the Basis of Flow Visualization

Transactions of the Korean Society of Mechanical Engineers - B, 2022
Yong-Cheol Seo, Sang-Woo Lee
openaire   +1 more source

Effect of Suction Side Squealer Tip Height on Blade Tip Film Cooling in a Transonic Cascade

Volume 5: Energy Storage; Fans and Blowers; Heat Transfer: Combustors; Heat Transfer: Film Cooling
Abstract Several studies have identified that using a suction side squealer on the blade tip is beneficial for reducing leakage flow, while achieving comparable film cooling effectiveness to a full squealer. The suction side squealer increases the local pressure on the tip, and leakage through the gap is reduced.
Ming-Feng Yeh, Lesley M. Wright, Je-Chin Han   +2 more
openaire   +1 more source

Effect of Multiple Ribs and Tip Injection on the Aerothermal Characteristics of the Squealer Tip in Turbine Stage

SSRN Electronic Journal, 2022
Shuai Bi, Junkui Mao, Pingting Chen, Feng Han, Lei Wang   +4 more
openaire   +1 more source

Refined flow organization in squealer tip gap and its impact on turbine aerodynamic performance

Aerospace Science and Technology, 2023
Zhengping Zou, Lichao Yao
exaly  

Tip Leakage Flow and Loss in a Turbine Cascade Equipped with Overhang Squealer Tips

Transactions of the Korean Society of Mechanical Engineers - B, 2018
Seon Woo Bong, In Hwan Hong, Sang Woo Lee   +2 more
openaire   +1 more source

Effect of shelf squealer tip configuration on aerothermal performance of gas turbine blade

International Journal of Thermal Sciences, 2021
Heeyoon Chung, Minho Bang, Hyung Hee Cho   +2 more
exaly  

Squealer Geometry Effects on Aerothermal Performance of Tip-Leakage Flow of Cavity Tips

Journal of Propulsion and Power, 2012
Chao Zhou, Howard Hodson
openaire   +1 more source