Clocking effect of vaned diffuser on hydraulic performance of high-power pump by using the numerical flow loss visualization method

Y Gu, J Pei, S Yuan, W Wang, F Zhang, P Wang… - Energy, 2019 - Elsevier
The high-power mechanical pumps used in thermal power plants consume a considerable
amount of electrical energy. Thus it is of great importance to improve the efficiency from …

Simulation of Multi-Injector H2-O2 Rocket Combustion Instability

Y Zhu, F Liu, WA Sirignano - AIAA SCITECH 2025 Forum, 2025 - arc.aiaa.org
Large-eddy simulation is applied to compute the combustion instabilities in an experimental
42-injector hydrogen-oxygen (H2-O2) rocket engine. The unsteady, compressible, multi …

Large-Eddy Simulation of Reacting Flow in a Turbine Stage

Y Zhu, SL Walsh, F Liu, WA Sirignano - AIAA SCITECH 2025 Forum, 2025 - arc.aiaa.org
Large-Eddy Simulation (LES) is applied to compute turbulent reacting flows in a turbine
stage and explore the viability for a turbine-burner concept. The three-dimensional …

Numerical Investigation of Diffusion Flame in Transonic Flow with Large Pressure Gradient

Y Zhu, F Liu, WA Sirignano - Journal of Propulsion and Power, 2024 - arc.aiaa.org
A finite-volume method for the steady, compressible, reacting, turbulent Navier–Stokes
equations is developed by using a steady-state-preserving splitting scheme for the stiff …

Investigation of hydraulic losses in different clocking positions of pump-turbine in pump mode

Y Zhang, W Jiang, W Feng, Q Jia, Y Wang… - Journal of Energy …, 2024 - Elsevier
With the increasing significance of pumped storage in the power system, there is a growing
emphasis on improving the hydraulic performance of pump-turbine at pump mode …

Transitional Flow in a Two-Stage Low-Pressure Axial Turbine under Different Clocking of Blades

RT Zenouz, SMM Abiri - Aerospace Science and Technology, 2024 - Elsevier
Different modes of transitional flows are numerically analyzed in a two-stage low-pressure
axial turbine, while being exposed to various clocking of second stator blades and results …

Influence of blade lean together with blade clocking on the overall aerodynamic performance of a multi-stage turbine

Y Zhu, J Luo, F Liu - Aerospace Science and Technology, 2018 - Elsevier
In the present work, an in-house flow solver for multi-stage turbomachines is first applied to
compute the unsteady flows in a subsonic 1.5-stage axial turbine with different clocking …

Clocking effects on aerodynamics of a gas turbine low pressure axial turbine, part 2: Unsteady simulation

R Taghavi Zenouz, SMM Abiri - Proceedings of the …, 2024 - journals.sagepub.com
Unsteady, viscous compressible flow is numerically simulated within first two stages of a low
pressure turbine of a gas turbine engine under different clocking of its stator blades rows …

Aerodynamic design of a high-efficiency two-stage axial turbine, using streamline curvature method and performance optimisation by clocking of stator blades

RT Zenouz, SMM Abiri - The Aeronautical Journal, 2024 - cambridge.org
Aerodynamic design of a high-efficiency two-stage axial turbine is carried out using a hybrid
method through implantation of a two-step design procedure. In the first step, the well-known …

Clocking of Stators and Rotors in a Three-Stage Axial Turbine

Z Lei, L Zhao, W Hou, S Wang, J Wang - Proceedings of the 5th China …, 2022 - Springer
The paper presents a numerical investigation on the clocking effect in a three-stage axial
low pressure turbine. Equal pitch configuration was applied to reduce computation cost. The …