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    Tip Shaping for HP Turbine Blade Aerothermal Performance Management 

    Source: Journal of Turbomachinery:;2013:;volume( 135 ):;issue: 005:;page 51025
    Author(s): Zhang, Q.; He, L.
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A large portion of the overtip leakage flow is often transonic for a typical high pressure (HP) turbine blade. It has been observed that the tip heat transfer is noticeably lower in a high speed flow tip region than in a ...
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    Impact of Wall Temperature on Turbine Blade Tip Aerothermal Performance 

    Source: Journal of Engineering for Gas Turbines and Power:;2014:;volume( 136 ):;issue: 005:;page 52602
    Author(s): Zhang, Q.; He, L.
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Currently the aerodynamics and heat transfer over a turbine blade tip tend to be analyzed separately with the assumption that the wall thermal boundary conditions do not affect the overtipleakage (OTL) flow field. There ...
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    A High-Speed Disk Rotor Rig Design for Tip Aerothermal Research 

    Source: Journal of Turbomachinery:;2021:;volume( 144 ):;issue: 005:;page 51002-1
    Author(s): Lu, S.; Zhang, Q.; He, L.
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The relative casing motion can greatly vary the over-tip-leakage (OTL) flow structure and aerothermal performance. The existing tip experimental research facilities including stationary linear cascade, cascade rigs with ...
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    Effects of Inlet Turbulence and End Wall Boundary Layer on Aerothermal Performance of a Transonic Turbine Blade Tip 

    Source: Journal of Engineering for Gas Turbines and Power:;2014:;volume( 136 ):;issue: 005:;page 52603
    Author(s): Zhang, Q.; He, L.; Rawlinson, A.
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Most of the previous researches of inlet turbulence effects on blade tip have been carried out for low speed situations. Recent work has indicated that for a transonic turbine tip, turbulent diffusion tends to have a ...
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    Remote Impact on Tropical Atlantic Climate Variability: Statistical Assessment and Dynamic Assessment 

    Source: Journal of Climate:;2004:;volume( 017 ):;issue: 007:;page 1529
    Author(s): Liu, Z.; Zhang, Q.; Wu, L.
    Publisher: American Meteorological Society
    Abstract: The remote impact of tropical Pacific and North Atlantic climate forcing on the tropical Atlantic sea surface temperature variability is assessed using both a traditional statistical correlation method and a model-aided ...
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    Interaction Mechanism of Transonic Squealer Tip Cooling With the Effect of High-Speed Relative Casing Motion 

    Source: Journal of Turbomachinery:;2023:;volume( 145 ):;issue: 008:;page 81016-1
    Author(s): Xie, W.; Lu, S.; Jiang, H.; Peng, X.; Zhang, Q.
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The relative casing motion can significantly influence the turbine blade tip aerothermal performance. In this study, experimental investigation was conducted in a newly developed high-speed disk rotor rig which can mimic ...
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    Impact of Cooling Injection on the Transonic Over Tip Leakage Flow and Squealer Aerothermal Design Optimization 

    Source: Journal of Engineering for Gas Turbines and Power:;2015:;volume( 137 ):;issue: 006:;page 62603
    Author(s): Wang, Z.; Zhang, Q.; Liu, Y.; He, L.
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In the present work, the effect of coolant injection on the overtipleakage (OTL) flow and squealer designs has been investigated in a transonic flow regime. After an experimental verification of the computational tool ...
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    Heat Transfer of Winglet Tips in a Transonic Turbine Cascade 

    Source: Journal of Engineering for Gas Turbines and Power:;2017:;volume( 139 ):;issue: 001:;page 12605
    Author(s): Zhong, Fangpan; Zhou, Chao; Ma, H.; Zhang, Q.
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Understanding the heat transfer of winglet tips is crucial for their applications in high-pressure turbines. The current paper investigates the heat transfer performance of three different winglet-cavity tips in a transonic ...
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    A Research on Waste-Gated Turbine Performance Under Unsteady Flow Condition 

    Source: Journal of Engineering for Gas Turbines and Power:;2017:;volume( 139 ):;issue: 006:;page 62603
    Author(s): Deng, Q.; Burke, R. D.; Zhang, Q.; Pohorelsky, Ludek
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Turbochargers are key components of engine air-paths that must be carefully considered during the development process. The combination of fluid, mechanical, and thermal phenomenon make the turbocharger a highly dynamic and ...
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    Cooling Injection Effect on a Transonic Squealer Tip—Part II: Analysis of Aerothermal Interaction Physics 

    Source: Journal of Engineering for Gas Turbines and Power:;2017:;volume( 139 ):;issue: 005:;page 52507
    Author(s): Ma, H.; Zhang, Q.; He, L.; Wang, Z.; Wang, L.
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A basic attribute for turbine blade film cooling is that coolant injected should be largely passively convected by the local base flow. However, the effective working of the conventional wisdom may be compromised when the ...
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