[HTML][HTML] A comparison of axial turbine loss models for air, sCO2 and ORC turbines across a range of scales

SI Salah, MT White, AI Sayma - International Journal of Thermofluids, 2022 - Elsevier
Loss models are used to evaluate the aerodynamic performance of axial turbines at the
preliminary design stage. The commonly used loss models were derived for air and steam …

Centrifugal turbines for mini-organic rankine cycle power systems

E Casati, S Vitale, M Pini… - … of Engineering for …, 2014 - asmedigitalcollection.asme.org
Organic Rankine cycle (ORC) power systems are rapidly diffusing as a technology for the
conversion of thermal energy sources in the small-to-medium power range, eg, from 150 …

Endwall loss in turbine cascades

JD Coull - Journal of Turbomachinery, 2017 - asmedigitalcollection.asme.org
Prior to the detailed design of components, turbomachinery engineers must guide a mean-
line or throughflow design toward an optimum configuration. This process requires a …

A dimensionality reduction method for uncertainty study of geometric variations of turbomachinery blades

Z Chen, W Fu, J Luo - Aerospace Science and Technology, 2024 - Elsevier
Studies on performance impact due to the high-dimensional geometric uncertainties face the
“curse of dimensionality” problem, making the cost of uncertainty quantification (UQ) …

An Experimental Test Case for Transonic Low-Pressure Turbines–Part I: Rig Design, Instrumentation and Experimental Methodology

L Simonassi, G Lopes… - … Expo: Power for …, 2022 - asmedigitalcollection.asme.org
The ultra-high bypass ratio geared turbofan is a key concept to reduce the environmental
impact of the next generation aircrafts. The increase in rotational speed of the low-pressure …

Aerodynamic optimization of the low-pressure turbine module: exploiting surrogate models in a high-dimensional design space

L Baert, E Chérière, C Sainvitu… - Journal of …, 2020 - asmedigitalcollection.asme.org
Further improvement of state-of-the-art low-pressure (LP) turbines (LPTs) has become
progressively more challenging. LP design is more than ever confronted to the need to …

LES Modeling of High-Lift High-Work LPT Blades: Part II—Validation and Application

J Kerestes, C Marks, J Clark… - Journal of …, 2023 - asmedigitalcollection.asme.org
Over the years, computational fluids dynamics (CFD) has matured to such a state so as to be
indispensable in turbine design. In the past two decades, significant advances in turbine …

LES Modeling of High-Lift High-Work LP Turbine Profiles: Part I: Approach

M Ni, RH Ni, JP Clark - … Power for Land, Sea, and Air, 2023 - asmedigitalcollection.asme.org
Abstract The Low Pressure Turbine (LPT), commonly used in both commercial and military
engines, generally experiences low Reynolds numbers at high altitude cruise conditions …

On the Development of High Lift, High Work Low-Pressure Turbines

JP Clark, G Paniagua… - … Expo: Power for …, 2023 - asmedigitalcollection.asme.org
Here we describe a combined design, numerical, and experimental program intended
substantially to increase the lift and work of low-pressure turbine stages. This exercise is …

Statistical investigations of profile error impact on flow and performance of a low-pressure turbine cascade

Z Chen, J Luo, Z Xia, Z Zou, P Du, F Liu - Physics of Fluids, 2023 - pubs.aip.org
Profile error impacts on turbomachinery flow and blade performance have been attracting
widespread attention. In the study, the characteristics of profile error of about one thousand …